WO2023229136A1 - 렌즈 어셈블리 및 그를 포함하는 전자 장치 - Google Patents
렌즈 어셈블리 및 그를 포함하는 전자 장치 Download PDFInfo
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- WO2023229136A1 WO2023229136A1 PCT/KR2023/000385 KR2023000385W WO2023229136A1 WO 2023229136 A1 WO2023229136 A1 WO 2023229136A1 KR 2023000385 W KR2023000385 W KR 2023000385W WO 2023229136 A1 WO2023229136 A1 WO 2023229136A1
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- Prior art keywords
- lens assembly
- lens
- optical axis
- optical member
- electronic device
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Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0035—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having three lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components
Definitions
- the present disclosure relates to electronic devices, for example, a lens assembly and an electronic device including the same.
- Electronic devices refer to devices designated according to the installed program, such as home appliances, electronic notebooks, portable multimedia players, mobile communication terminals, tablet PCs (personal computers), video/audio devices, desktop/laptop computers, and/or car navigation devices. It may refer to a device that performs a function. For example, these electronic devices can output stored information as sound or video.
- various functions can be installed in a single electronic device such as a mobile communication terminal. For example, in addition to communication functions, entertainment functions such as games, multimedia functions such as music/video playback, communication and security functions for mobile banking, etc., and/or schedule management or electronic wallet functions can be integrated into one electronic device. It is being concentrated.
- the electronic device may include, for example, a camera module including a wide-angle camera and a telephoto camera.
- Electronic devices can acquire wide-angle images by photographing a wide range of scenes around the electronic device using a wide-angle camera, or acquire telephoto images by photographing a scene corresponding to a relatively distant location from the electronic device using a telephoto camera. You can.
- miniaturized electronic devices such as smartphones are encroaching on the compact camera market by including multiple camera modules and/or lens assemblies, and are expected to replace high-performance cameras such as single-lens reflex cameras in the future. do.
- one aspect of the present disclosure is to provide a lens assembly and an electronic device including the same.
- a lens assembly includes at least two lenses arranged along a first optical axis direction from the object side, and an image sensor set to receive light guided and/or focused through the at least two lenses, with respect to the first optical axis.
- a first optical member disposed between the image sensor, the at least two lenses, and the image sensor, including an image forming surface disposed at an angle, and receiving light incident through the at least two lenses in the first optical axis direction.
- the first optical member emitting light along a second optical axis direction intersecting the first optical axis, and a second optical member disposed between the first optical member and the image sensor, wherein the first optical member emits light along a second optical axis direction intersecting the first optical axis. It may include a second optical member that receives light incident through the optical member and emits it to the image sensor along a third optical axis direction intersecting the second optical axis.
- the lens assembly has a conditional expression regarding 'TTL', which is the length from the object-side surface of the first lens on the object side to the sensor-side surface of the first lens on the image sensor, and 'f', which is the focal length of the lens assembly.
- an electronic device may include a lens assembly and a processor configured to acquire an image by receiving external light using the lens assembly.
- the lens assembly includes at least two lenses arranged along a first optical axis direction from an object side, and an image sensor configured to receive light guided and/or focused through the at least two lenses,
- the image sensor including an imaging surface disposed inclined with respect to the first optical axis, a first optical member disposed between the at least two lenses and the image sensor, the at least two lenses in the direction of the first optical axis a first optical member that receives light through and emits it along a second optical axis direction intersecting the first optical axis, and a second optical member disposed between the first optical member and the image sensor, wherein the second optical member It may include a second optical member that receives light through the first optical member in an optical axis direction and outputs the light to the image sensor along a third optical axis that intersects the second optical axis.
- FIG. 1 is a block diagram showing an electronic device in a network environment, according to an embodiment of the present disclosure.
- Figure 2 is a perspective view showing the front of an electronic device according to an embodiment of the present disclosure.
- FIG. 3 is a perspective view showing the back of the electronic device shown in FIG. 2 according to an embodiment of the present disclosure.
- FIG. 4 is an exploded perspective view of the electronic device shown in FIG. 2 according to an embodiment of the present disclosure.
- Figure 5 is a plan view illustrating the rear of an electronic device according to an embodiment of the present disclosure.
- FIG. 6 is a cross-sectional view showing a portion of an electronic device according to an embodiment of the present disclosure taken along line AA′ of FIG. 5 .
- Figure 7 is a configuration diagram illustrating an optical path of a camera module in an electronic device according to an embodiment of the present disclosure.
- Figure 8 is a diagram showing a lens assembly according to an embodiment of the present disclosure.
- FIG. 9 is a diagram illustrating a second optical member of the lens assembly of FIG. 8 according to an embodiment of the present disclosure.
- FIG. 10 is a graph showing spherical aberration of the lens assembly of FIG. 8 according to an embodiment of the present disclosure.
- FIG. 11 is a graph showing astigmatism of the lens assembly of FIG. 8 according to an embodiment of the present disclosure.
- FIG. 12 is a graph showing the distortion rate of the lens assembly of FIG. 8 according to an embodiment of the present disclosure.
- Figure 13 is a diagram showing a lens assembly according to an embodiment of the present disclosure.
- FIG. 14 is a graph showing spherical aberration of the lens assembly of FIG. 13 according to an embodiment of the present disclosure.
- FIG. 15 is a graph showing astigmatism of the lens assembly of FIG. 13 according to an embodiment of the present disclosure.
- FIG. 16 is a graph showing the distortion rate of the lens assembly of FIG. 13 according to an embodiment of the present disclosure.
- Figure 17 is a diagram showing a lens assembly according to an embodiment of the present disclosure.
- FIG. 18 is a graph showing spherical aberration of the lens assembly of FIG. 17 according to an embodiment of the present disclosure.
- FIG. 19 is a graph showing astigmatism of the lens assembly of FIG. 17 according to an embodiment of the present disclosure.
- FIG. 20 is a graph showing the distortion rate of the lens assembly of FIG. 17 according to an embodiment of the present disclosure.
- Figure 21 is a diagram showing a lens assembly according to an embodiment of the present disclosure.
- FIG. 22 is a graph showing spherical aberration of the lens assembly of FIG. 21 according to an embodiment of the present disclosure.
- FIG. 23 is a graph showing astigmatism of the lens assembly of FIG. 21 according to an embodiment of the present disclosure.
- FIG. 24 is a graph showing the distortion rate of the lens assembly of FIG. 21 according to an embodiment of the present disclosure.
- Figure 25 is a diagram showing a lens assembly according to an embodiment of the present disclosure.
- FIG. 26 is a graph showing spherical aberration of the lens assembly of FIG. 25 according to an embodiment of the present disclosure.
- FIG. 27 is a graph showing astigmatism of the lens assembly of FIG. 25 according to an embodiment of the present disclosure.
- FIG. 28 is a graph showing the distortion rate of the lens assembly of FIG. 25 according to an embodiment of the present disclosure.
- Figure 29 is a diagram showing a lens assembly according to an embodiment of the present disclosure.
- FIG. 30 is a graph showing spherical aberration of the lens assembly of FIG. 29 according to an embodiment of the present disclosure.
- FIG. 31 is a graph showing astigmatism of the lens assembly of FIG. 29 according to an embodiment of the present disclosure.
- FIG. 32 is a graph showing the distortion rate of the lens assembly of FIG. 29 according to an embodiment of the present disclosure.
- component surface may be understood to include one or more of the surfaces of the component.
- One embodiment of the present disclosure is intended to solve at least the above-described problems and/or disadvantages and provide at least the advantages described later, and can provide a lens assembly with improved design freedom and/or an electronic device including the same.
- One embodiment of the present disclosure can provide a lens assembly and/or an electronic device including the same that can be easily placed in a narrow space.
- the electronic device 101 communicates with the electronic device 102 through a first network 198 (e.g., a short-range wireless communication network) or a second network 199. It is possible to communicate with at least one of the electronic device 104 or the server 108 through (e.g., a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108.
- a first network 198 e.g., a short-range wireless communication network
- a second network 199 e.g., a second network 199.
- the electronic device 101 may communicate with the electronic device 104 through the server 108.
- the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or may include an antenna module 197.
- at least one of these components eg, the connection terminal 178) may be omitted, or one or more other components may be added to the electronic device 101.
- some of these components are integrated into one component (e.g., display module 160). It can be.
- the processor 120 for example, executes software (e.g., program 140) to operate at least one other component (e.g., hardware or software component) of the electronic device 101 connected to the processor 120. It can be controlled and various data processing or calculations can be performed. According to one embodiment, as at least part of data processing or computation, the processor 120 stores commands or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132. The commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134.
- software e.g., program 140
- the processor 120 stores commands or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132.
- the commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134.
- the processor 120 is a main processor 121 (e.g., a central processing unit or an application processor), or an auxiliary processor 123 (e.g., a graphics processing unit, a neural network processing unit) that can operate independently or together with the main processor 121. (NPU; neural processing unit), image signal processor, sensor hub processor, or communication processor).
- main processor 121 e.g., a central processing unit or an application processor
- auxiliary processor 123 e.g., a graphics processing unit, a neural network processing unit
- the secondary processor 123 may be set to use lower power than the main processor 121 or be specialized for a designated function. You can.
- the auxiliary processor 123 may be implemented separately from the main processor 121 or as part of it.
- the auxiliary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (e.g., sleep) state, or while the main processor 121 is in an active (e.g., application execution) state. ), together with the main processor 121, at least one of the components of the electronic device 101 (e.g., the display module 160, the sensor module 176, or the communication module 190) At least some of the functions or states related to can be controlled.
- coprocessor 123 e.g., image signal processor or communication processor
- may be implemented as part of another functionally related component e.g., camera module 180 or communication module 190. there is.
- the auxiliary processor 123 may include a hardware structure specialized for processing artificial intelligence models.
- Artificial intelligence models can be created through machine learning. For example, such learning may be performed in the electronic device 101 itself on which the artificial intelligence model is performed, or may be performed through a separate server (e.g., server 108).
- Learning algorithms may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but It is not limited.
- An artificial intelligence model may include multiple artificial neural network layers.
- Artificial neural networks include deep neural network (DNN), convolutional neural network (CNN), recurrent neural network (RNN), restricted boltzmann machine (RBM), belief deep network (DBN), bidirectional recurrent deep neural network (BRDNN), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the examples described above.
- artificial intelligence models may additionally or alternatively include software structures.
- the memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101. Data may include, for example, input data or output data for software (e.g., program 140) and instructions related thereto.
- Memory 130 may include volatile memory 132 or non-volatile memory 134.
- the program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142, middleware 144, or application 146.
- the input module 150 may receive commands or data to be used in a component of the electronic device 101 (e.g., the processor 120) from outside the electronic device 101 (e.g., a user).
- the input module 150 may include, for example, a microphone, mouse, keyboard, keys (eg, buttons), or digital pen (eg, stylus pen).
- the sound output module 155 may output sound signals to the outside of the electronic device 101.
- the sound output module 155 may include, for example, a speaker or a receiver. Speakers can be used for general purposes such as multimedia playback or recording playback.
- the receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.
- the display module 160 can visually provide information to the outside of the electronic device 101 (eg, a user).
- the display module 160 may include, for example, a display, a hologram device, or a projector, and a control circuit for controlling the device.
- the display module 160 may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of force generated by the touch.
- the audio module 170 can convert sound into an electrical signal or, conversely, convert an electrical signal into sound. According to one embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device (e.g. : Sound can be output through the electronic device 102 (e.g., speaker or headphone).
- an external electronic device e.g. : Sound can be output through the electronic device 102 (e.g., speaker or headphone).
- the sensor module 176 detects the operating state (e.g., power or temperature) of the electronic device 101 or the external environmental state (e.g., user state) and generates an electrical signal or data value corresponding to the detected state. can do.
- the sensor module 176 includes, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, humidity sensor, or light sensor.
- the interface 177 may support one or more designated protocols that can be used to connect the electronic device 101 to an external electronic device (eg, the electronic device 102) directly or wirelessly.
- the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card
- connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102).
- the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
- the haptic module 179 can convert electrical signals into mechanical stimulation (e.g., vibration or movement) or electrical stimulation that the user can perceive through tactile or kinesthetic senses.
- the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
- the camera module 180 can capture still images and moving images.
- the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
- the power management module 188 can manage power supplied to the electronic device 101.
- the power management module 188 may be implemented as at least a part of, for example, a power management integrated circuit (PMIC).
- PMIC power management integrated circuit
- the battery 189 may supply power to at least one component of the electronic device 101.
- the battery 189 may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.
- the communication module 190 is a direct (e.g., wired) communication channel or wireless communication channel between the electronic device 101 and an external electronic device (e.g., the electronic device 102, the electronic device 104, or the server 108). can support the establishment of and communication through established communication channels.
- Communication module 190 operates independently of processor 120 (e.g., an application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication.
- the communication module 190 is a wireless communication module 192 (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (e.g., : LAN (local area network) communication module, or power line communication module) may be included.
- a wireless communication module 192 e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module
- GNSS global navigation satellite system
- wired communication module 194 e.g., : LAN (local area network) communication module, or power line communication module
- the corresponding communication module is a first network 198 (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (e.g., legacy It can communicate with external electronic devices through telecommunication networks such as cellular networks, 5G networks, next-generation communication networks, the Internet, or computer networks (e.g., LAN or WAN).
- telecommunication networks such as cellular networks, 5G networks, next-generation communication networks, the Internet, or computer networks (e.g., LAN or WAN).
- telecommunication networks such as cellular networks, 5G networks, next-generation communication networks, the Internet, or computer networks (e.g., LAN or WAN).
- telecommunication networks such as cellular networks, 5G networks, next-generation communication networks, the Internet, or computer networks (e.g., LAN or WAN).
- LAN or WAN wide area network
- the wireless communication module 192 uses subscriber information (e.g., International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 to communicate within a communication network such as the first network 198 or the second network 199.
- subscriber information e.g., International Mobile Subscriber Identifier (IMSI)
- IMSI International Mobile Subscriber Identifier
- the wireless communication module 192 may support 5G networks after 4G networks and next-generation communication technologies, for example, NR access technology (new radio access technology).
- NR access technology provides high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low latency). -latency communications)) can be supported.
- the wireless communication module 192 may support high frequency bands (eg, mmWave bands), for example, to achieve high data rates.
- the wireless communication module 192 uses various technologies to secure performance in high frequency bands, for example, beamforming, massive array multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. It can support technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna.
- the wireless communication module 192 may support various requirements specified in the electronic device 101, an external electronic device (e.g., electronic device 104), or a network system (e.g., second network 199).
- the wireless communication module 192 supports Peak data rate (e.g., 20 Gbps or more) for realizing eMBB, loss coverage (e.g., 164 dB or less) for realizing mmTC, or U-plane latency (e.g., 164 dB or less) for realizing URLLC.
- Peak data rate e.g., 20 Gbps or more
- loss coverage e.g., 164 dB or less
- U-plane latency e.g., 164 dB or less
- the antenna module 197 may transmit or receive signals or power to or from the outside (eg, an external electronic device).
- the antenna module may include an antenna including a radiator made of a conductor or a conductive pattern formed on a substrate (eg, PCB).
- the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for the communication method used in the communication network, such as the first network 198 or the second network 199, is connected to the plurality of antennas by, for example, the communication module 190. can be selected. Signals or power may be transmitted or received between the communication module 190 and an external electronic device through the at least one selected antenna.
- other components eg, radio frequency integrated circuit (RFIC) may be additionally formed as part of the antenna module 197.
- RFIC radio frequency integrated circuit
- the antenna module 197 may form a mmWave antenna module.
- a mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first side (e.g., bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., mmWave band); and a plurality of antennas (e.g., array antennas) disposed on or adjacent to the second surface (e.g., top or side) of the printed circuit board and capable of transmitting or receiving signals in the designated high frequency band.
- a mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first side (e.g., bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., mmWave band); and a plurality of antennas (e.g., array antennas) disposed on or adjacent to the second surface (e.g., top or side) of the printed circuit board
- peripheral devices e.g., bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- signal e.g. commands or data
- commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199.
- Each of the external electronic devices 102 or 104 may be of the same or different type as the electronic device 101.
- all or part of the operations executed in the electronic device 101 may be executed in one or more of the external electronic devices 102 and 104 or the server 108.
- the electronic device 101 may perform the function or service instead of executing the function or service on its own.
- one or more external electronic devices may be requested to perform at least part of the function or service.
- One or more external electronic devices that have received the request may execute at least part of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device 101.
- the electronic device 101 may process the result as is or additionally and provide it as at least part of a response to the request.
- cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology can be used.
- the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
- the external electronic device 104 may include an Internet of Things (IoT) device.
- Server 108 may be an intelligent server using machine learning and/or neural networks.
- the external electronic device 104 or server 108 may be included in the second network 199.
- the electronic device 101 may be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.
- Electronic devices may be of various types.
- Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances.
- portable communication devices e.g., smartphones
- computer devices e.g., portable multimedia devices
- portable medical devices e.g., cameras
- wearable devices e.g., portable medical devices, cameras, wearable devices, or home appliances.
- Electronic devices according to embodiments of this document are not limited to the above-described devices.
- first, second, or first or second may be used simply to distinguish one element from another, and may be used to distinguish such elements in other respects, such as importance or order) is not limited.
- One (e.g. first) component is said to be “coupled” or “connected” to another (e.g. second) component, with or without the terms “functionally” or “communicatively”.
- any of the components may be connected to the other components directly (eg, wired), wirelessly, or through a third component.
- module used in embodiments of the present disclosure may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as logic, logic block, component, or circuit, for example. can be used
- a module may be an integrated part or a minimum unit of the parts or a part thereof that performs one or more functions.
- the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- Embodiments of the present disclosure are software that includes one or more instructions stored in a storage medium (e.g., internal memory 136 or external memory 138) that can be read by a machine (e.g., electronic device). It can be implemented as (e.g. a program).
- a processor e.g, processor
- a device e.g, electronic device
- the one or more instructions may include code generated by a compiler or code that can be executed by an interpreter.
- a storage medium that can be read by a device may be provided in the form of a non-transitory storage medium.
- 'non-transitory' only means that the storage medium is a tangible device and does not contain signals (e.g. electromagnetic waves). This term refers to cases where data is stored semi-permanently in the storage medium. There is no distinction between temporary storage cases.
- the method according to the embodiment(s) of the present disclosure may be included and provided in a computer program product.
- Computer program products are commodities and can be traded between sellers and buyers.
- the computer program product may be distributed in the form of a machine-readable storage medium (e.g. compact disc read only memory (CD-ROM)) or via an application store (e.g. Play Store TM ) or on two user devices (e.g. It can be distributed (e.g. downloaded or uploaded) directly between smartphones) or online.
- a portion of the computer program product may be at least temporarily stored or temporarily created in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.
- each component (e.g., module or program) of the above-described components may include a single or plural entity, and some of the plurality of entities may be separately arranged in other components.
- one or more of the above-described corresponding components or operations may be omitted, or one or more other components or operations may be added.
- multiple components eg, modules or programs
- the integrated component may perform one or more functions of each component of the plurality of components in the same or similar manner as those performed by the corresponding component of the plurality of components prior to the integration. .
- operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or , or one or more other operations may be added.
- the length direction, width direction and/or thickness direction of the electronic device may be mentioned, with the length direction being the 'Y-axis direction', the width direction being the 'X-axis direction', and/or the thickness direction. can be defined as 'Z-axis direction'.
- the direction in which a component faces may be referred to as 'yin/yang (-/+)' in addition to the orthogonal coordinate system illustrated in the drawing.
- the front of the electronic device and/or housing may be defined as a 'side facing the +Z direction', and the rear may be defined as a 'side facing the -Z direction'.
- the electronic device and/or housing side may include an area facing the +X direction, an area facing the +Y direction, an area facing the -X direction, and/or an area facing the -Y direction.
- 'X-axis direction' may mean including both '-X direction' and '+X direction'. Note that this is based on the Cartesian coordinate system described in the drawings for brevity of explanation, and that the description of directions or components does not limit the embodiment(s) of the present disclosure.
- Figure 2 is a perspective view showing the front of an electronic device according to an embodiment of the present disclosure.
- FIG. 3 is a perspective view showing the back of the electronic device shown in FIG. 2 according to an embodiment of the present disclosure.
- the electronic device 200 includes a first side (or front) 210A, a second side (or back) 210B, and a first side 210A and It may include a housing 210 including a side surface 210C surrounding the space between the second surfaces 210B.
- the housing may refer to a structure that forms some of the first side 210A, second side 210B, and side surface 210C of FIG. 2 .
- the first surface 210A may be formed at least in part by a substantially transparent front plate 202 (eg, a glass plate including various coating layers, and/or a polymer plate).
- the second surface 210B may be formed by a substantially opaque back plate 211.
- the back plate 211 may be, for example, coated and/or colored glass, ceramic, polymer, metal (e.g., aluminum, stainless steel (STS), and/or magnesium), or at least two of the foregoing materials. Can be formed by combination.
- the side 210C is joined to the front plate 202 and the back plate 211 and may be formed by a side structure (or “side bezel structure”) 218 including metal and/or polymer.
- the back plate 211 and the side structure 218 may be formed as one piece and include the same material (eg, a metallic material such as aluminum).
- the front plate 202 has two first regions 210D that are curved and extend seamlessly from the first surface 210A toward the rear plate 211. It can be included at both ends of the long edge of (202).
- the rear plate 211 is curved from the second surface 210B toward the front plate 202 to form two second regions 210E that extend seamlessly and have long edges. It can be included at both ends.
- the front plate 202 (or the rear plate 211) may include only one of the first areas 210D (or the second areas 210E). In one embodiment, some of the first areas 210D and/or the second areas 210E may not be included.
- the side structure 218 when viewed from the side of the electronic device 200, is on the side that does not include the first regions 210D and/or second regions 210E. may have a first thickness (or width), and may have a second thickness thinner than the first thickness on the side including the first areas 210D and/or the second areas 210E.
- the electronic device 200 includes a display 201, an audio module 203, 207, and 214, a sensor module 204, 216, and 219, a camera module 205, 212, and 213, and a key. It may include at least one of an input device 217, a light emitting element 206, and connector holes 208 and 209. In another embodiment, the electronic device 200 may omit at least one of the components (e.g., the key input device 217 and/or the light emitting device 206) or may additionally include other components. .
- Display 201 may be visually exposed, for example, through a significant portion of front plate 202 .
- at least a portion of the display 201 may be visually exposed through the front plate 202 forming the first areas 210D of the first surface 210A and the side surface 210C. You can.
- the edges of the display 201 may be formed to be substantially the same as the adjacent outer shape of the front plate 202.
- the distance between the outer edge of the display 201 and the outer edge of the front plate 202 may be formed to be substantially the same.
- an audio module forms a recess and/or an opening in a portion of the screen display area of the display 201 and is aligned with the recess and/or the opening. It may include at least one of (214), a sensor module 204, a camera module 205, and a light emitting device 206. In one embodiment (not shown), an audio module 214, a sensor module 204, a camera module 205, and a fingerprint sensor 216 (e.g., a fourth sensor) are installed on the back of the screen display area of the display 201. module), and a light emitting device 206.
- the display 201 is coupled to or adjacent to a touch detection circuit, a pressure sensor capable of measuring the intensity (pressure) of touch, and/or a digitizer that detects a magnetic field type stylus pen. can be placed.
- a touch detection circuit a pressure sensor capable of measuring the intensity (pressure) of touch
- a digitizer that detects a magnetic field type stylus pen.
- at least a portion of the sensor modules 204, 219, and/or at least a portion of the key input device 217 are located in the first areas 210D and/or the second areas 210E. ) can be placed in .
- the audio modules 203, 207, and 214 may include a microphone hole 203 and speaker holes 207 and 214.
- a microphone for acquiring external sound may be placed inside the microphone hole 203, and in one embodiment, a plurality of microphones may be placed to detect the direction of the sound.
- the speaker holes 207 and 214 may include an external speaker hole 207 and a call receiver hole 214 (eg, a speaker hole).
- the speaker holes 207 and 214 and the microphone hole 203 may be implemented as one hole, or a speaker may be included without the speaker holes 207 and 214 (e.g., piezo speaker).
- the sensor modules 204, 216, and 219 may generate electrical signals or data values corresponding to the internal operating state of the electronic device 200 and/or the external environmental state.
- the sensor modules 204, 216, 219 may include, for example, a first sensor module 204 (e.g., a proximity sensor) and/or a second sensor module (e.g., a proximity sensor) disposed on the first side 210A of the housing 210. (not shown) (e.g., fingerprint sensor), and/or a third sensor module 219 (e.g., HRM sensor) and/or fourth sensor module 216 disposed on the second side 210B of the housing 210. ) (e.g., a fingerprint sensor) may be included.
- a first sensor module 204 e.g., a proximity sensor
- a second sensor module e.g., a proximity sensor
- a third sensor module 219 e.g., HRM sensor
- the fingerprint sensor may be disposed on the first side 210A (eg, display 201) as well as the second side 210B of the housing 210.
- the electronic device 200 includes the sensor module 176 of FIG. 1, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may further include at least one of a temperature sensor, a humidity sensor, and/or an illumination sensor.
- the camera modules 205, 212, and 213 include a first camera device 205 disposed on the first side 210A of the electronic device 200, and a second camera device 212 disposed on the second side 210B. ), and/or a flash 213.
- the camera devices 205 and 212 may include one or more lenses, an image sensor, and/or an image signal processor.
- Flash 213 may include, for example, a light emitting diode and/or a xenon lamp.
- two or more lenses (an infrared camera, a wide-angle lens, and a telephoto lens) and image sensors may be disposed on one side of the electronic device 200.
- the key input device 217 may be disposed on the side 210C of the housing 210.
- the electronic device 200 may not include some or all of the key input devices 217 mentioned above, and the key input devices 217 not included may include soft keys, etc. on the display 201. It can be implemented in different forms.
- the key input device may include a sensor module 216 disposed on the second surface 210B of the housing 210.
- the light emitting device 206 may be disposed on the first side 210A of the housing 210.
- the light emitting device 206 provides, for example, status information of the electronic device 200 in the form of light.
- the light emitting device 206 provides, for example, the operation of the camera module 205 and Interlocking light sources can be provided.
- the light emitting device 206 may include, for example, an LED, an IR LED, and a xenon lamp.
- the connector holes 208 and 209 are a first connector hole 208 that can accommodate a connector (for example, a USB connector) for transmitting and receiving power and/or data with an external electronic device, and/or an external electronic device. and a second connector hole (eg, earphone jack) 209 that can accommodate a connector for transmitting and receiving audio signals.
- a connector for example, a USB connector
- a second connector hole eg, earphone jack
- FIG. 4 is an exploded perspective view of the electronic device shown in FIG. 2 according to an embodiment of the present disclosure.
- the electronic device 300 (e.g., the electronic device 200 of FIG. 2 or FIG. 3) includes a side structure 310 (e.g., the side structure 218 of FIG. 2) and a first support member. 311 (e.g. bracket), front plate 320 (e.g. front plate 202 in FIG. 2), display 330 (e.g. display 201 in FIG. 2), printed circuit board 340) (e.g., printed circuit board (PCB), printed board assembly (PBA), flexible PCB (FPCB), and/or rigid-flexible PCB (RFPCB)), battery 350, second support member 360 (e.g., rear case), an antenna 370, and a rear plate 380 (e.g., the rear plate 211 in FIG.
- a side structure 310 e.g., the side structure 218 of FIG. 2
- a first support member. 311 e.g. bracket
- front plate 320 e.g. front plate 202 in FIG. 2
- display 330 e.g.
- the electronic device 300 may omit at least one of the components (e.g., the first support member 311 and/or the second support member 360) or additionally include another component. You can. At least one of the components of the electronic device 300 may be the same or similar to at least one of the components of the electronic device 200 of FIG. 2 or 3, and overlapping descriptions will be omitted below.
- Memory may include, for example, volatile memory and/or non-volatile memory.
- the interface may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, and/or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- the interface electrically and/or physically connects the electronic device 300 to an external electronic device and may include, for example, a USB connector, SD card/MMC connector, and/or audio connector.
- Battery 350 is a device for supplying power to at least one component of electronic device 300, for example, a non-rechargeable primary battery, and/or a rechargeable secondary battery, and/or a fuel cell. It can be included. At least a portion of the battery 350 may be disposed, for example, on substantially the same plane as the printed circuit board 340 . The battery 350 may be placed integrally within the electronic device 300, or may be placed to be detachable from the electronic device 300.
- the antenna 370 may be disposed between the rear plate 380 and the battery 350.
- the antenna 370 may include, for example, a near field communication (NFC) antenna, a wireless charging antenna, and/or a magnetic secure transmission (MST) antenna.
- NFC near field communication
- MST magnetic secure transmission
- the antenna 370 performs short-distance communication with an external device or wirelessly transmits and receives power required for charging.
- an antenna structure may be formed by a portion or a combination of the side structure 310 and/or the first support member 311.
- FIG. 5 is a plan view illustrating the rear of an electronic device (e.g., the electronic devices 101, 102, 104, 200, and 300 of FIGS. 1 to 4) according to an embodiment of the present disclosure.
- an electronic device e.g., the electronic devices 101, 102, 104, 200, and 300 of FIGS. 1 to 4
- FIG. 6 is a cross-sectional view showing a portion of an electronic device according to an embodiment of the present disclosure taken along line AA′ of FIG. 5 .
- FIG. 7 is a configuration diagram illustrating an optical path of a lens assembly in an electronic device according to an embodiment of the present disclosure.
- the electronic device 400 may include a camera window 385 disposed on one side (e.g., the second side 210B of FIG. 3). there is.
- camera window 385 may be part of back plate 380.
- the camera window 385 may be coupled to the back plate 380 through a decorative member 389, where, when viewed from the outside, the decorative member 389 extends around the perimeter of the camera window 385. It can be exposed in a wrapped form.
- the camera window 385 may include a plurality of transparent areas 387, and the electronic device 400 may receive external light or external light through at least one of the transparent areas 387. Can emit light.
- the electronic device 400 includes at least one lens assembly 500 (e.g., the camera modules 180, 205, 212 of FIGS. 1 to 3) disposed to correspond to at least some of the transparent areas 387. 213)) and at least one light source (eg, an infrared light source) disposed to correspond to another part of the transparent areas 387.
- the lens assembly 500 and/or the light source may receive external light through one of the transparent areas 387 or radiate light to the outside of the electronic device 400.
- the electronic device 400 and/or the lens assembly 500 may further include a camera support member 381.
- the camera support member 381 includes at least one of the lens assembly 500 and/or other lens assemblies adjacent thereto (e.g., a wide-angle camera, an ultra-wide-angle camera, and/or a macro camera), a rear plate 380, and/or a camera. It can be placed or fixed inside the window 385. In another embodiment, the camera support member 381 may be substantially a part of the first support member 311 and/or the second support member 360 of FIG. 4 .
- the electronic device 400 may include a lens assembly 500 and/or at least one of a wide-angle camera, an ultra-wide-angle camera, a macro camera, a telephoto camera, or an infrared photo diode as a light receiving element, and a light source and /Or it may include a flash (eg, flash 213 in FIG. 3) or an infrared laser diode as a light emitting device.
- the electronic device 400 radiates an infrared laser toward a subject using an infrared laser diode and an infrared photo diode, and receives the infrared laser reflected by the subject to determine the distance and/or depth to the subject. can be detected.
- the electronic device 400 can photograph a subject using any one or a combination of two or more cameras and, if necessary, provide illumination to the subject using a flash.
- a wide-angle camera, an ultra-wide-angle camera, and/or a macro camera may have a smaller length in the optical axis direction of the lens(s) when compared to a telephoto camera (e.g., lens assembly 500).
- a telephoto camera e.g., lens assembly 500
- the 'total lens length' may be the distance from the object-side surface of the first lens on the object side to the imaging surface of the image sensor 411.
- 'Total lens length' may be the distance from the object-side surface of the first lens on the object side to the sensor-side surface of the first lens on the image sensor side.
- the wide-angle camera, ultra-wide-angle camera, and/or macro camera may arrange the lens(s) along the direction of the thickness of the electronic device 400 (e.g., thickness measured in the Z-axis direction of Figure 4 or Figure 6). In practice, the effect on the thickness of the electronic device 400 may be small.
- a wide-angle camera, an ultra-wide-angle camera, and/or a macro camera may be placed in the electronic device 400 with the direction in which light is incident on the electronic device 400 from the outside and the optical axis direction of the lens(es) being substantially the same.
- the lens assembly 500 e.g., a telephoto camera
- the lens assembly 500 has a smaller field of view, but may be useful for photographing subjects at a greater distance; It may include more lenses (421a, 421b, 423a, 423b, 423c).
- the lens assembly 500 may protrude to a significant extent outside the electronic device 400.
- the lens assembly 500 may include at least one refractive member 413 and 415 that reflects and/or refracts the incident light IL in different directions.
- the lenses 423a, 423b, and 423c may be arranged to be able to move forward and backward in the incident direction of light or the direction of travel of reflected and/or refracted light, thereby allowing the electronic device 400 to move forward and backward.
- the increase in thickness can be suppressed or reduced.
- a folded camera (e.g., lens assembly 500) includes a first refractive member 413, a second refractive member 415, an image sensor 411, and/or at least one lens system.
- it may include a second lens group 423 including second lenses 423a, 423b, 423c and/or a dummy member 423d).
- the at least one optical member may guide or focus the light RL1 reflected and/or refracted by the first refractive member 413 to the second refractive member 415.
- the light RL1 reflected and/or refracted by the member 413 may be blocked from being directly incident on the image sensor 411 .
- the first refractive member 413 may include, for example, a prism and/or a mirror.
- the first refractive member 413 is comprised of a prism including at least one mirror.
- the first refractive member 413 is composed of a prism whose at least one surface includes a mirror.
- the first refractive member 413 reflects and/or refracts the light IL incident in the first direction D1 in the second direction D2 crossing the first direction D1. You can.
- the first direction D1 refers to, for example, when photographing a subject, light is transmitted from the outside to the electronic device 400 and/or the lens assembly 500 through one of the transparent areas 387 of FIG. 5.
- the first direction D1 may mean a shooting direction, a subject direction, a direction of orientation of the lens assembly 500, and/or a direction parallel thereto. In another embodiment, the first direction D1 may be parallel to the thickness direction and/or the Z-axis direction of the electronic device 400.
- the second refractive member 415 may include, for example, a prism and/or a mirror.
- the second refractive member 415 is comprised of a prism including at least one mirror.
- the second refractive member 415 is composed of a prism whose at least one surface includes a mirror.
- the second refractive member 415 is reflected and/or refracted by the first refractive member 413 and transmits the light RL1 incident along the second direction D2 to the second direction D2. It may be reflected and/or refracted in the third direction D3 that intersects.
- the third direction D3 may be substantially perpendicular to the second direction D2.
- the third direction D3 refers to a direction parallel to the Z-axis direction.
- the third direction D3 may be directed to the second direction depending on the arrangement and specifications of the lens assembly 500 and/or the second refractive member 415 within the electronic device 400. It may be in the direction D2 and/or oblique with respect to the X-Y plane. In another embodiment, the third direction D3 may be substantially parallel to the first direction D1.
- the image sensor 411 may be set to detect the light RL2 that is reflected and/or refracted by the second refractive member 415 and incident along the third direction D3. For example, light IL incident from the outside is detected by the image sensor 411 via the first refractive member 413 and the second refractive member 415, and the electronic device 400 and/or the lens assembly 500 ) may acquire an image of the subject based on signals and/or information detected through the image sensor 411.
- the image sensor 411 may be disposed substantially parallel to the X-Y plane. For example, when the lens assembly 500 has an image stabilization function that shifts the image sensor 411, the image sensor 411 is perpendicular to the first direction D1 and/or the third direction D3. moves horizontally in the plane.
- the image sensor 411 when performing an image stabilization operation, shifts the electronic device 400 in the longitudinal direction (e.g., Y-axis direction) and/or the width direction (e.g., X-axis direction). It can be.
- the image sensor 411 is disposed on a plane perpendicular to the first direction D1 and/or the third direction D3, so that in an electronic device with a small thickness (e.g., a thickness of approximately 10 mm or less), the image sensor ( 411), it is easy to expand the size, and/or it is easy to secure space for hand shake correction operation.
- the lens assembly 500 when the lens assembly 500 is used as a telephoto camera, the quality of captured images can be further improved by incorporating an image stabilization function.
- the performance of the lens assembly 500 when the image sensor 411 is enlarged, the performance of the lens assembly 500 can be further improved.
- the lens assembly 500 includes a lens system (e.g., at least one refractive element) that guides and/or focuses the light IL incident from the first direction D1 to the first refractive member 413. It may further include a first lens group 421 including one lens 421a and 421b. In another embodiment, the first lens group 421 and/or the first lens (eg, first lens 421a) disposed on the object side in the lens assembly 500 may have positive refractive power.
- the first lens 421a is configured to focus and/or align light IL incident from the outside to the first refractive member 413, so that the light IL 421a is transmitted from the first lens 421a to the image sensor 411.
- the optical system leading to this is miniaturized.
- the first lens group 421 may further include additional first lenses 421b (s) to focus and/or align light incident from the outside.
- the second lens group 423 may include a dummy member 423d and a light blocking member 425.
- the dummy member 423d may be disposed inside the lens assembly 500 and/or the electronic device 400 and may have a cylindrical shape extending along the second direction D2. The light RL1 traveling along can be transmitted.
- the dummy member 423d may be one of lenses with positive and/or negative refractive power.
- the dummy member 423d may be a component formed integrally with any one of the second lenses 423a, 423b, and 423c and/or the second refractive member 415.
- the light blocking member 425 may be formed and/or disposed on at least a portion of the outer peripheral surface of the dummy member 423d and may absorb, scatter, or reflect light.
- the light blocking member 425 may be formed, for example, by corroding or black lacquering at least a portion of the outer peripheral surface of the dummy member 423d, and/or printing and/or depositing a reflective layer.
- a portion of the light reflected and/or refracted by the first refractive member 413 may be absorbed, scattered, and/or reflected by the light blocking member 425 .
- the light blocking member 425 prevents the light reflected and/or refracted by the first refractive member 413 from passing through the second lens group 423 and/or the second refractive member 415.
- Direct incident light on the image sensor 411 can be substantially blocked.
- light sequentially passing through the first direction (D1), the second direction (D2), and/or the third direction (D3) in the lens assembly 500 e.g., 'IL, 'RL1', 'in FIG. 7).
- Light following a path indicated by RL2' may be incident on the image sensor 411, and light following a different path may be substantially blocked from being incident on the image sensor 411.
- At least one of the second lenses 423a, 423b, and 423c has an axis substantially the same as the second direction D2 between the first refractive member 413 and the second refractive member 415.
- the electronic device 400 and/or the lens assembly 500 moves the at least one second lens 423a, 423b, and 423c forward and backward about an axis substantially the same as the second direction D2, thereby maintaining focus.
- Miniaturized electronic devices such as smart phones may have a thickness of approximately 10 mm, and in this case, the range in which the lens can move forward and backward in the thickness direction may be limited.
- the second direction D2 may be substantially parallel to the longitudinal direction (e.g., Y-axis direction in FIG. 4), the width direction (e.g., X-axis direction in FIG. 4), and/or the X-Y plane.
- the range in which at least one second lens 423a, 423b, and 423c can advance and retreat may be large.
- at least one of the second lenses 423a, 423b, and 423c moves forward and backward along substantially the same axis as the second direction D2, thereby improving telephoto performance in the lens assembly 500 and controlling the focal length and/or focus. Design freedom is improved in securing space for forward and backward movement for adjustment.
- the electronic device 400 and/or the lens assembly 500 may further include an infrared cut-off filter 419.
- the infrared cut-off filter 419 may suppress or substantially block light in the infrared and/or near-infrared wavelength band from being incident on the image sensor 411, and may block the image sensor from the first lens 421a ( 411) may be placed at any position in the optical path.
- the infrared cut-off filter 419 is disposed at a location close to the image sensor 411 (e.g., between the image sensor 411 and the second refractive member 415), so that the infrared cut-off filter 419 Visual exposure to the outside can be suppressed and/or prevented.
- the first refractive member 413, the second refractive member 415, and/or at least one optical member may include an infrared blocking coating layer, In this case, the infrared cut-off filter 419 may be omitted.
- an infrared blocking coating layer may be provided on at least one of the image sensor side surface and the object side surface of the dummy member 423d and/or the second refractive member 415.
- the image sensor 411 can substantially detect light that has passed through the infrared blocking filter 419 (or infrared blocking coating layer).
- the refractive members 413 and 415 of the present disclosure may be selectively designed according to the structure of the lens assembly 500.
- the refractive member (eg, the second refractive member 415 in FIG. 6) has a triangular pillar shape.
- the refractive member (eg, the second refractive member 415 in FIG. 7) may have a trapezoidal pillar shape.
- the shape of the refractive members 413 and 415 is not limited to the structure shown in this disclosure. For example, if the refractive members 413 and 415 reflect, refract or transmit light, the refractive members 413 and 415 may have a shape other than a triangular or trapezoidal pillar.
- the types of refractive members 413 and 415 to be disposed may be determined in various ways.
- the refractive member to be disposed is a prism.
- the refractive member to be disposed is a mirror.
- refractive members 413 and 415 include substantially transparent materials.
- the refractive members 413 and 415 are manufactured using glass.
- FIG. 8 is a diagram illustrating a lens assembly 600 (e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 or the lens assembly 500 of FIG. 6) according to an embodiment of the present disclosure. .
- a lens assembly 600 e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 or the lens assembly 500 of FIG. 6 according to an embodiment of the present disclosure. .
- FIG. 9 is a diagram illustrating the second optical member R2 of the lens assembly of FIG. 8 according to an embodiment of the present disclosure.
- FIG. 10 is a graph showing spherical aberration of the lens assembly of FIG. 8 according to an embodiment of the present disclosure.
- FIG. 11 is a graph showing astigmatism of the lens assembly of FIG. 8 according to an embodiment of the present disclosure.
- FIG. 12 is a graph showing the distortion rate of the lens assembly of FIG. 8 according to an embodiment of the present disclosure.
- Figure 10 is a graph showing the spherical aberration of the lens assembly 600 according to an embodiment of the present disclosure, where the horizontal axis represents the coefficient of longitudinal spherical aberration and the vertical axis represents the normalization of the distance from the optical axis. ), showing the change in longitudinal spherical aberration depending on the wavelength of light.
- Longitudinal spherical aberration is, for example, expressed for light with wavelengths of 656.3000 (NM, nanometer), 587.6000 (NM), 546.1000 (NM), 536.1000 (NM), and 435.8000 (NM), respectively.
- Figure 11 is a graph showing astigmatic field curves of the lens assembly 600 according to one embodiment of the disclosure, for light with a wavelength of 546.1000 (NM), and 'x' is the spherical surface ( sagittal plane), and 'y' illustrates the tangential plane (meridional plane).
- FIG. 12 is a graph showing the distortion of the lens assembly 600 according to an embodiment of the disclosure, for light with a wavelength of 546.1000 (NM).
- the lens assembly (600) (s) includes optical members (R1, R2) (s) disposed between the lenses (L1, L2, L3, L4) (s) and the image sensor (I).
- optical data such as 'lens total length' or 'focal distance' may exemplify values that do not include the optical members R1 and R2.
- the first optical member R1 and/or the second optical member R2 may change the path of light by performing reflection and/or refraction, and may change the optical performance of the lens assembly 600 (e.g., focal length). , F-number and/or angle of view) may not be substantially affected.
- the lens assembly 600 (e.g., the camera modules 180, 205, 212, 213 of FIGS. 1 to 3 and/or the lens assembly 500 of FIG. 6) includes at least Two lenses (L1, L2, L3, L4), image sensor (I), between the image sensor (I) and at least two lenses (hereinafter referred to as ‘lenses (L1, L2, L3, L4)’) It may include a plurality of optical members (R1, R2) arranged.
- 'S2' may be the object-side surface of the first lens (L1) among the lenses (L1, L2, L3, and L4)
- 'S3' may be the sensor-side surface of the first lens (L1).
- 'sto' in the reference number indicating the lens surface may indicate that the aperture is implemented on the corresponding lens surface.
- an aperture is disposed on the object-side surface of the first lens L1.
- 'S4' may be the object-side surface of the second lens (L2) among the lenses (L1, L2, L3, and L4)
- 'S5' may be the sensor-side surface of the second lens (L2).
- 'S6' may be the object side of the third lens (L3) among the lenses (L1, L2, L3, and L4)
- 'S7' may be the sensor side of the third lens (L3).
- 'S8' may be the object side of the fourth lens (L4) among the lenses (L1, L2, L3, and L4)
- 'S9' may be the sensor side of the fourth lens (L4).
- the plurality of optical members R1 and R2 reflect light incident from one direction (e.g., the second optical axis O2 direction) in another direction (e.g., the third optical axis O3 direction). , can refract and/or guide.
- the first optical member R1 e.g., first reflective surface RF
- the second optical member R2 may guide light incident through the first optical member R1 to the image sensor I.
- the lens assembly 600 may further include an infrared blocking layer (IFL).
- the infrared blocking layer (IFL) is disposed on one of the incident surface (F1) and the emission surface (F2) of the second optical member (R2).
- the infrared blocking layer (IFL) may be provided on one of the surfaces of the first optical member (R1) or one of the lenses (L1, L2, L3, and L4).
- the infrared cut filter (IF) is different from the lenses (L1, L2, L3, L4) or optical members (R1, R2). May be provided separately.
- the infrared cut-off filter (IF) is provided separately, the infrared cut-off layer (IFL) is not disposed on the lenses (L1, L2, L3, L4) and/or optical members (R1, R2). You can.
- At least two (for example, four) lenses L1, L2, L3, and L4 may be sequentially arranged along the first optical axis O1 from the object OB.
- the first optical axis O1 is located on the front side (e.g., the first side 210A of FIG. 2) of the electronic device (e.g., the electronic device 101, 200, 300, and 400 of FIGS. 1 to 6). ) and/or may be disposed substantially parallel to the rear side (e.g., the second side 210B of FIG. 3).
- the front side e.g., the first side 210A of FIG. 2
- the electronic device e.g., the electronic device 101, 200, 300, and 400 of FIGS. 1 to 6
- the rear side e.g., the second side 210B of FIG. 3
- the electronic device 400 aligns at least one of the lenses (L1, L2, L3, and L4) with the first optical axis. It can be moved forward and backward along the (O1) direction. For example, by moving at least one of the lenses L1, L2, L3, and L4 along the first optical axis O1 direction, focal distance adjustment and/or focus adjustment operations are performed.
- the electronic device 400 e.g., the processor 120 of FIG. 1 and/or the lens assembly 600 aligns at least one of the lenses (L1, L2, L3, and L4) with the first optical axis ( By moving in a plane perpendicular to O1), hand shake correction operation can be performed.
- “Movement in a plane perpendicular to the first optical axis O1” means, for example, lens(s) (L1, L2, L3, L4) along at least two directions perpendicular to the first optical axis O1. ) can be understood as moving. “At least two directions” may be, for example, directions perpendicular to each other.
- the image sensor I receives guided and/or focused light through the lenses L1, L2, L3, and L4, thereby forming the lens assembly 600 and/or the electronic device including the same. 400 may be configured to acquire an image of a subject.
- the second optical axis O2 is the front side (e.g., the first side 210A of FIG. 2) of the electronic device (e.g., the electronic devices 101, 200, 300, and 400 of FIGS. 1 to 6) and /or disposed substantially parallel to the rear side (eg, the second side 210B in FIG. 3).
- the imaging surface (img) of the image sensor (I) may be arranged in a direction crossing the first optical axis (O1).
- the imaging surface (img) of the image sensor (I) may form an acute angle and/or an obtuse angle with the first optical axis (O1).
- “the imaging surface (img) is disposed in a direction intersecting the first optical axis O1” means that the imaging surface (img) is located along the Alternatively, it may be understood as being arranged at an angle with respect to the Z axis.
- the image sensor I may be arranged in various directions with respect to the alignment direction of the lenses L1, L2, L3, and L4, so that the lens assembly 600 and/or the electronic device including it ( 400) Design freedom can be increased in manufacturing.
- the optical members R1 and R2 may change the direction of light by reflecting and/or refracting incident light.
- the optical members (R1, R2) are disposed between the lenses (L1, L2, L3, L4) and the image sensor (I), thereby forming the lenses (L1, L2, L3, L4) and the image sensor (I).
- the degree of freedom in layout design can be increased.
- the first optical member R1 is disposed between the lenses L1, L2, L3, and L4 and the image sensor I, and is disposed between the lenses in the direction of the first optical axis O1. Light can be received through (L1, L2, L3, L4).
- the first optical member (R1) reflects and/or refracts light incident through the lenses (L1, L2, L3, and L4) in the direction of the first optical axis (O1). ) can be emitted along the direction of the second optical axis (O2) that intersects.
- the second optical axis O2 is illustrated for convenience of explanation, and the embodiment(s) of the present disclosure are not limited thereto, and the lens assembly 600 to be manufactured according to the embodiment and/or actually manufactured Please note that it may be defined differently depending on its structure.
- the first optical member R1 may include a mirror and/or a prism.
- first optical member R1 and the second optical member R2 are illustrated as independent configurations in the disclosed embodiment, the embodiment(s) of the present disclosure are not limited thereto.
- the first optical member R1 and the second optical member R2 may be formed integrally.
- the emission surface of the first optical member R1 and the incident surface F1 of the second optical member R2 may be formed in a combined form.
- an integrally formed optical member includes a mirror and/or a prism.
- an integrally formed optical member (not shown) consists of a prism including at least one mirror.
- an integrally formed optical member (not shown) is composed of a prism with one side having a mirror and the other side including at least a portion of the mirror.
- the first optical member R1 may be disposed between the lenses L1, L2, L3, and L4 and the second optical member R2. there is.
- the first optical member (R1) reflects and/or refracts light incident through the lenses (L1, L2, L3, and L4) in the direction of the first optical axis (O1). ) may be emitted along the direction of the second optical axis (O2), which is substantially perpendicular to the direction.
- the inclined angle of the second optical axis O2 with respect to the first optical axis O1 may be implemented to be approximately 80 degrees or more and approximately 100 degrees or less.
- the second optical member R2 may be disposed between the first optical member R1 and the image sensor I.
- the second optical member (R2) receives light through the first optical member (R1) in the direction of the second optical axis (O2) and in the direction of the third optical axis (O3) intersecting the second optical axis (O2). It can be output to the image sensor (I) according to .
- the third optical axis O3 may be arranged to be inclined at an angle other than perpendicular to the first optical axis O1.
- the third optical axis O3 may be arranged to be inclined at an angle other than perpendicular to the second optical axis O2.
- the third optical axis O3 may be disposed substantially parallel to the first optical axis O1 and inclined at an angle other than perpendicular to the second optical axis O2.
- the angle at which the optical axes O1, O2, and O3 are inclined with respect to each other may be designed in various ways depending on the embodiment.
- the relative arrangement of the optical axes O1, O2, and O3 may be determined by the relative arrangement of the imaging surface img with respect to the first optical axis O1, the lens assembly 600 and/or the electronic device to be actually manufactured ( 400) may vary depending on the structure.
- the second optical member R2 may include a prism.
- the second optical member R2 may include a first surface (eg, entrance surface F1) facing the first optical member R1.
- the incident surface F1 is, for example, perpendicular to the second optical axis O2.
- the second optical member R2 may include a second surface (eg, emission surface F2) facing the image sensor I.
- the emission surface (F2) is connected to the incident surface (F1) in a state inclined to form a first angle (Ang-p1) with respect to the incident surface (F1).
- the emission surface F2 may provide a total reflection environment for incident light (eg, light incident on the incident surface F1 along the direction of the second optical axis O2).
- the emission surface F2 may reflect (or refract) incident light by being inclined at a specified angle with respect to the second optical axis O2.
- the condition for the inclination angle of the emission surface (F2) with respect to the second optical axis (O2) will be examined through [Equation 2], which will be described later.
- the emission surface F2 may function at least partially as a reflector within the second optical member.
- the second optical member R2 may include a second reflection surface F3 connecting the emission surface F2 and the incident surface F1.
- the second reflection surface (F3) is connected to the emission surface (F2) at a second angle (Ang-p2), and the incident surface (F1) at a third angle (Ang-p3). ) can be connected to.
- the second reflection surface (F3) is disposed substantially parallel to the second optical axis (O2)
- the inclination angle of the emission surface (F2) with respect to the second optical axis (O2) is the second angle (Ang -p2).
- the light reflected by the emitting surface (F2) inside the second optical member (R2) is reflected (or refracted) again by the second reflecting surface (F3) and then returned to the emitting surface (F2). It can be released to the outside through .
- the exit surface (F2) provides a total reflection environment, and when the incident angle is larger than the specified angle, the exit surface (F2) can transmit light. In this way, the light incident on the second optical member R2 may be reflected at least twice and be emitted to the image sensor I through the emission surface F2.
- the infrared blocking layer (IFL) is on the surface of the second optical member R2 (e.g., the entrance surface F1 and /or may be disposed on at least a portion of the emission surface (F2).
- the location and size of the infrared blocking layer (IFL) may be selected in various ways considering the path of light passing through the second optical member R2.
- the infrared blocking layer (IFL) may be disposed on at least one of the entrance surface (F1) and the emission surface (F2).
- the electronic device 400 e.g., the processor 120 of FIG. 1 and/or the lens assembly 600 may include at least one of the optical members R1 and R2 (e.g., the first optical member).
- Hand shake correction can be performed by rotating or tilting (R1)) with respect to the first optical axis (O1).
- the “tilt operation” may include, for example, an operation in which the first optical member R1 rotates about an arbitrary axis intersecting the first optical axis O1.
- the central axis of the tilt operation may be set in various ways depending on the structure of the lens assembly 600 and/or the electronic device 400 to be actually manufactured.
- the lens assembly 600 includes another optical member (e.g., the first refractive member 413 in FIG. 6) disposed closer to the object OB than the lenses L1, L2, L3, and L4. ) may further be included.
- another optical member e.g., the first refractive member 413 in FIG. 6
- the direction in which light is incident on the electronic device 400 and/or the lens assembly 600 is different from the first optical axis O1.
- other configurations of the embodiments disclosed in this document e.g., the first lens group 421 of FIG. 6, the first The refractive member 413, the dummy member 423d, and/or the light blocking member 425) may be selectively combined to implement additional embodiments.
- a lens assembly as described above and/or described below can satisfy the conditions of the following [Equation 1].
- 'TTL' refers to the object-side surface (S2) of the first lens (e.g., first lens (L1)) on the object (OB) side among the lenses (L1, L2, L3, L4) and the first lens ( Example: This is the length up to the sensor side (S9) of the fourth lens (L4), and can be understood as the 'total lens length'.
- the optical members (R1, R2) that convert the path of light between the lenses (L1, L2, L3, L4) and the image sensor (I) are not arranged, the 'lens total length' is the object (OB). ) side can be understood as the distance from the object side of the first lens to the imaging surface of the image sensor.
- 'f' may be the focal length (eg, effective focal length) of the lens assembly 600.
- the focal length eg, effective focal length
- the overall lens length becomes smaller, affecting the arrangement of the lenses (L1, L2, L3, and L4). There may be difficulties and it may be difficult to secure good optical performance.
- the value of [Equation 1] is greater than 0.35, the overall lens length increases, making it difficult for the lens assembly 600 to be mounted on a miniaturized electronic device.
- the lens assemblies 600, 700, 800, 900, 1000, and 1100 described above and/or described below may satisfy the conditions of the following [Equation 2].
- 'Ang-min' refers to the angles formed by two adjacent surfaces of the second optical member (R2) (e.g., the first angle (Ang-p1), the second angle (Ang-p2), and/or the third As the minimum angle among the angles (Ang-p3), in the embodiment of Figures 8 and/or 9, the second angle (Ang-p2) may be 'Ang-min' in [Equation 2].
- [Equation 2] When the angle value of ] becomes smaller than 15 degrees, the size of the second optical member R2 increases, which may make miniaturization difficult. In one embodiment, when the value of [Equation 2] becomes larger than 40 degrees, The reflection performance of the emission surface F2 may be lowered inside the second optical member R2.
- the emission surface F2 inside the second optical member R2 (F2) totally reflects the incident light along the direction of the second optical axis O2.
- the third angle (Ang-p3) is a right angle structure.
- the second angle (Ang-p2) may be implemented as approximately 25 degrees or more and approximately 35 degrees or less.
- the second optical The third angle (Ang-p3) in the member R2 may be implemented as approximately 75 degrees or more and approximately 105 degrees or less.
- the lens assemblies 600, 700, 800, 900, 1000, and 1100 described above and/or described below may satisfy the conditions of the following [Equation 3].
- 'f1' is the focal length (e.g., effective focal length) of the first lens (e.g., first lens (L1)) on the object (OB) side
- 'f2' is the second lens (e.g., first lens (L1)) on the object (OB) side. 2 It may be the focal length of the lens (L2).
- [Equation 3] When the conditions of [Equation 3] are satisfied, aberration correction in the lens assembly 600 can be easily and miniaturized. For example, when the value of [Equation 3] is greater than -0.1, there may be difficulty in correcting chromatic aberration or spherical aberration. In another embodiment, when the value of [Equation 3] becomes less than -2, the power of the first lens L1 may be lowered and the overall lens length may be increased.
- the lens assemblies 600, 700, 800, 900, 1000, and 1100 as described above and/or described below have an Abbe number of the first lens (e.g., the first lens L1) on the object OB,
- the conditions of the following [Equation 4] regarding Vd-1 can be satisfied.
- the lens assemblies 600, 700, 800, 900, 1000, and 1100 described above and/or described below may satisfy the conditions of the following [Equation 5].
- 't-L1' is the thickness of the first lens (e.g., first lens (L1)) on the object (OB) side
- 'TTL' is the object-side surface (S2) of the first lens (L1) and the image sensor ( It may be the length up to the sensor side surface (S9) of the first lens (e.g., fourth lens (L4)) on the I) side.
- the value of [Equation 5] is greater than 0.5
- the thickness of the first lens (L1) increases to secure the thickness of the remaining lenses (L2, L3, L4) or the gap between the lenses (L1, L2, L3, L4). It may be difficult to secure good performance of the lens assembly 600.
- the value of [Equation 5] is less than 0.1, the thickness of the first lens L1 becomes small, which may lead to difficulties in securing appropriate refractive power or manufacturing it in the designed shape.
- the lens assemblies 600, 700, 800, 900, 1000, and 1100 described above and/or described below satisfy the following conditions of [Equation 6] regarding the angle of view and field of view (FoV): can be satisfied.
- the lens assembly 600 can be easily miniaturized while providing a space for arranging the plurality of optical members R1 and R2.
- the focal length of the lens assembly 600 becomes longer, which may make miniaturization difficult.
- the gap between the lens(s) (L1, L2, L3, L4) and the image sensor (I) becomes smaller so that the first optical member (R1) and/or the second optical member (R1) Placing the optical member R2 may be difficult.
- the lens assemblies (600, 700, 800, 900, 1000, 1100) of the above-mentioned or later-described embodiments satisfy the condition(s) presented through the above [mathematical equations], as shown in [Table 1] below. You can.
- the minimum angle of [Equation 2], Ang-min may be exemplified as the second angle (Ang-p2) in the second optical member (R2) of each embodiment.
- the lens assembly 600 has a focal length of approximately 9.73 mm, an F-number of 3.475, an overall lens length of 2.6 mm, an image height of 2.28 mm, and/or a field of view (FoV) of 25.96 degrees. view).
- the overall lens length can be understood as, for example, the distance from the object-side surface (S2) of the first lens (L1) to the sensor-side surface (S9) of the fourth lens (L4), and the image height is the optical axis (O3). ) as the maximum distance from the edge of the imaging surface (img), for example, it can be understood as half the diagonal length of the imaging surface (img).
- the lens assembly 600 can satisfy at least some of the conditions presented through the above-mentioned [mathematical equations], and can be manufactured with the specifications shown in the following [Table 2].
- the lens surface with 'sto' can function as an aperture, and the aspherical lens surface can be with the symbol '*'.
- the surface described in [Table 2] is, for example, located on the path through which external light reaches the image sensor I, but does not substantially affect the optical performance of the lens assembly 600. You can.
- the refraction mode in Table 2 illustrates whether the ray propagation is refraction, reflection, or total internal reflection (TIR). will be. Since the direction of light travel changes when reflection occurs by the optical members R1 and R2, in the graphs of FIGS. 10 and 11 regarding spherical aberration and/or astigmatism depending on the number of reflections, '+'/'-' can be reversed.
- 'z' is the distance from the vertex of the lens(s) (L1, L2, L3, L4) in the direction of the optical axis (e.g., the first optical axis O1), and 'y' is the distance to the first optical axis (O1).
- 'c' is the distance in the vertical direction
- 'c' is the reciprocal of the radius of curvature from the vertex of the lens(s) (L1, L2, L3, L4)
- 'K' is the Conic constant
- 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', and 'J' may each mean an aspherical coefficient.
- the radius of curvature may represent a value indicating the degree of curvature at each point of a curved surface or curve.
- reference numbers for optical axis(s), lens(s), and/or lens surface(s) may be omitted from the drawings for the sake of brevity of the drawings. Reference numbers omitted from the drawings can be easily understood by those skilled in the art by further referring to FIG. 8 or through the lens data and drawings presented in each embodiment.
- FIG. 13 is a diagram illustrating a lens assembly (e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 or the lens assembly 500 of FIG. 6) according to an embodiment of the present disclosure.
- a lens assembly e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 or the lens assembly 500 of FIG. 6 according to an embodiment of the present disclosure.
- FIG. 14 is a graph showing spherical aberration of the lens assembly of FIG. 13 according to an embodiment of the present disclosure.
- FIG. 15 is a graph showing astigmatism of the lens assembly of FIG. 13 according to an embodiment of the present disclosure.
- FIG. 16 is a graph showing the distortion rate of the lens assembly of FIG. 13 according to an embodiment of the present disclosure.
- the lens assembly 700 has a focal length of approximately 9.73 mm, an F-number of 3.475, an overall lens length of 2.6 mm, an image height of 2.28 mm, and/or an angle of view of 26.01 degrees. there is.
- the overall lens length can be understood as, for example, the distance from the object-side surface (S2) of the first lens (L1) to the sensor-side surface (S9) of the fourth lens (L4), and the image height is the optical axis (O3). ) as the maximum distance from the edge of the imaging surface (img), for example, it can be understood as half the diagonal length of the imaging surface (img).
- the lens assembly 700 can be manufactured with the specifications shown in the following [Table 5] while satisfying at least some of the conditions presented through the above-mentioned [mathematical equations], and the aspherical coefficients in [Table 6] and [Table 7] You can have
- the lens assembly 700 may further include an infrared cut-off filter (IF) disposed between the image sensor (I) and the second optical member (R2).
- IF infrared cut-off filter
- the lens assembly 700 includes an infrared cut-off filter (IF) disposed separately from the lenses (L1, L2, L3, L4) or the optical members (R1, R2), the lenses (L1, L2, L3, L4) ) or the infrared blocking layer (e.g., the infrared blocking layer (IFL) in FIG. 9) on the surfaces of the optical members R1 and R2 may be omitted.
- FIG. 17 is a diagram illustrating a lens assembly (e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 and/or the lens assembly 500 of FIG. 6) according to an embodiment of the present disclosure.
- a lens assembly e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 and/or the lens assembly 500 of FIG. 6 according to an embodiment of the present disclosure.
- FIG. 18 is a graph showing spherical aberration of the lens assembly of FIG. 17 according to an embodiment of the present disclosure.
- FIG. 19 is a graph showing astigmatism of the lens assembly of FIG. 17 according to an embodiment of the present disclosure.
- FIG. 20 is a graph showing the distortion rate of the lens assembly of FIG. 17 according to an embodiment of the present disclosure.
- the lens assembly 800 has a focal length of approximately 9.75 mm, an F-number of 3.533, an overall lens length of 2.6 mm, an image height of 2.28 mm, and/or an angle of view of 26.01 degrees. there is.
- the overall lens length can be understood as, for example, the distance from the object-side surface (S2) of the first lens (L1) to the sensor-side surface (S9) of the fourth lens (L4), and the image height is the optical axis (O3). ) as the maximum distance from the edge of the imaging surface (img), for example, it can be understood as half the diagonal length of the imaging surface (img).
- the lens assembly 800 can be manufactured with the specifications shown in the following [Table 8] while satisfying at least some of the conditions presented through the above-mentioned [mathematical equations], and the aspherical coefficients in [Table 9] and [Table 10] You can have
- FIG. 21 is a diagram illustrating a lens assembly (e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 or the lens assembly 500 of FIG. 6) according to an embodiment of the present disclosure.
- a lens assembly e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 or the lens assembly 500 of FIG. 6 according to an embodiment of the present disclosure.
- FIG. 22 is a graph showing spherical aberration of the lens assembly of FIG. 21 according to an embodiment of the present disclosure.
- FIG. 23 is a graph showing astigmatism of the lens assembly of FIG. 21 according to an embodiment of the present disclosure.
- FIG. 24 is a graph showing the distortion rate of the lens assembly of FIG. 21 according to an embodiment of the present disclosure.
- the lens assembly 900 has a focal length of approximately 9.68 mm, an F-number of 2.881, an overall lens length of 2.66 mm, an image height of 2.28 mm, and/or an angle of view of 26.29 degrees. there is.
- the total lens length can be understood as, for example, the distance from the object-side surface (S2) of the first lens (L1) to the sensor-side surface (S9) of the fourth lens (L4), and the image height is the optical axis (O3). ) as the maximum distance from the edge of the imaging surface (img), for example, it can be understood as half the diagonal length of the imaging surface (img).
- the lens assembly 900 can be manufactured with the specifications shown in the following [Table 11] while satisfying at least some of the conditions presented through the above-mentioned [mathematical equations], and the aspherical coefficients in [Table 12] and [Table 13] You can have
- FIG. 25 is a diagram illustrating a lens assembly (e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 or the lens assembly 500 of FIG. 6) according to an embodiment of the present disclosure.
- a lens assembly e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 or the lens assembly 500 of FIG. 6 according to an embodiment of the present disclosure.
- FIG. 26 is a graph showing spherical aberration of the lens assembly of FIG. 25 according to an embodiment of the present disclosure.
- FIG. 27 is a graph showing astigmatism of the lens assembly of FIG. 25 according to an embodiment of the present disclosure.
- FIG. 28 is a graph showing the distortion rate of the lens assembly of FIG. 25 according to an embodiment of the present disclosure.
- the lens assembly 1000 has a focal length of approximately 9.68 mm, an F-number of 2.847, an overall lens length of 2.587 mm, an image height of 2.28 mm, and/or an angle of view of 26.39 degrees. there is.
- the overall lens length can be understood as, for example, the distance from the object-side surface (S2) of the first lens (L1) to the sensor-side surface (S9) of the fourth lens (L4), and the image height is the optical axis (O3). ) as the maximum distance from the edge of the imaging surface (img), for example, it can be understood as half the diagonal length of the imaging surface (img).
- the lens assembly 1000 can be manufactured with the specifications shown in the following [Table 14] while satisfying at least some of the conditions presented through the above-mentioned [mathematical equations], and the aspherical coefficients in [Table 15] and [Table 16] You can have
- FIG. 29 is a diagram illustrating a lens assembly 1100 (e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 or the lens assembly 500 of FIG. 6) according to an embodiment of the present disclosure. .
- a lens assembly 1100 e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3 or the lens assembly 500 of FIG. 6
- FIG. 30 is a graph showing spherical aberration of the lens assembly 1100 of FIG. 29 according to an embodiment of the present disclosure.
- FIG. 31 is a graph showing astigmatism of the lens assembly 1100 of FIG. 29 according to an embodiment of the present disclosure.
- FIG. 32 is a graph showing the distortion rate of the lens assembly 1100 of FIG. 29 according to an embodiment of the present disclosure.
- the lens assembly 1100 has a focal length of approximately 16.79 mm, an F-number of 2.872, an overall lens length of 3.700 mm, an image height of 2.8 mm, and/or an angle of view of 18.79 degrees. there is.
- the total lens length can be understood as, for example, the distance from the object-side surface (S2) of the first lens (L1) to the sensor-side surface (S9) of the fourth lens (L4), and the image height is the optical axis (O3). ) as the maximum distance from the edge of the imaging surface (img), for example, it can be understood as half the diagonal length of the imaging surface (img).
- the lens assembly 1100 may be manufactured with the specifications shown in the following [Table 17] while satisfying at least some of the conditions presented through the above-mentioned [mathematical equations], and may have the aspheric coefficient shown in [Table 18].
- Lens assembly according to an embodiment of the present disclosure (e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3, or the camera modules 180, 205, 212, and 213 of FIGS. 6, 8, 13, 17, 21, and 25)
- the lens assemblies include optical members (e.g., optical members R1 and R2 in FIG. 8) that reflect and/or refract incident light, thereby forming an image sensor.
- optical members e.g., optical members R1 and R2 in FIG. 8 that reflect and/or refract incident light, thereby forming an image sensor.
- the image sensor (I) in FIG. 8) can be freely designed.
- the arrangement of the imaging surface e.g., the imaging surface (img) in FIG.
- an additional optical member e.g., the first refractive member 413 in FIG. 6 is disposed in front of the array of lenses, so that the longitudinal direction (e.g., Y-axis direction in FIG.
- the lenses may be arranged in the width direction (e.g., the X-axis direction in FIG. 5).
- design freedom in miniaturized electronic devices can be increased in terms of the number and arrangement of lenses.
- space for forward and backward movement of the lenses can be easily secured in the optical axis direction (e.g., the first optical axis O1 in FIG. 8). there is.
- a lens assembly e.g., the camera modules 180, 205, 212, and 213 of FIGS. 1 to 3, or FIGS. 6, 8, 13, and 17,
- the lens assemblies 500, 600, 700, 800, 900, 1000, and 1100 of FIGS. 21 and 25 are positioned along a first optical axis (e.g., the first optical axis of FIG. 8) from the object (e.g., the object OB of FIG. 8).
- 1 At least two lenses (e.g., lenses (L1, L2, L3, L4) of FIGS. 8, 13, 17, 21, and 25) arranged along the optical axis (O1) direction, the at least 2
- An image sensor e.g., image sensor (I) of FIGS.
- the image sensor including an inclined imaging surface (e.g., the imaging surface (img) of FIG. 8), and a first optical member disposed between the at least two lenses and the image sensor (e.g., FIGS. 8 and 13) , the first optical member (R1) in FIGS. 17, 21, and 25), which receives light through the at least two lenses in the direction of the first optical axis and intersects the first optical axis (e.g. : The first optical member emitting along the second optical axis (O2) direction of FIG. 8, and the second optical member disposed between the first optical member and the image sensor (e.g., FIGS.
- the lens assembly is an object-side surface (e.g., 'of FIG. 8) of the object-side first lens (e.g., the first lens (L1) of FIGS. 8, 13, 17, 21, and 25). From the surface indicated as 'S2') to the sensor side of the first lens (e.g., the fourth lens (L4) in FIGS.
- the lens assembly includes two adjacent surfaces of the second optical member (e.g., the entrance surface (F1), the exit surface (F2) and/or the second reflection surface (F3) of FIG. 9.
- the above lens assembly includes 'f1', which is the focal length of the first lens on the object side, and the second lens on the object side (e.g., the 2
- 'f2' which is the focal length of the lens (L2)
- the first optical member may include a mirror and/or a prism
- the second optical member may include a prism
- the lens assembly as described above may be configured to perform focal length adjustment and/or focus adjustment by moving at least one of the at least two lenses along the first optical axis direction.
- the lens assembly as described above may be configured to perform camera shake correction by moving at least one of the at least two lenses in a plane perpendicular to the first optical axis.
- the lens assembly as described above may be configured to perform hand shake correction by rotating and/or tilting the first optical member with respect to the first optical axis.
- the third optical axis may intersect and/or be parallel to the first optical axis.
- the second optical member has an incident surface facing the first optical member (e.g., the incident surface F1 in FIG. 9) and an exit surface facing the image sensor (e.g., the emission surface in FIG. 9). (F2)), and the second optical member between the incident surface and the exit surface may be configured to reflect and/or refract light incident on the incident surface at least twice.
- the lens assembly as described above may further include an infrared blocking layer (e.g., an infrared blocking layer (IFL) in FIG. 9) disposed on at least one of the entrance surface and/or the exit surface.
- IFL infrared blocking layer
- the second optical member further includes a reflective surface (e.g., the second reflective surface F3 in FIG. 9) disposed at an angle with respect to the emission surface, and the interior of the second optical member
- a reflective surface e.g., the second reflective surface F3 in FIG. 9
- the emission surface and the reflection surface reflect and/or refract light incident on the incident surface, and the light reflected and/or refracted at least twice inside the second optical member is transmitted through the emission surface into the image. It can be guided or emitted by a sensor.
- a first angle between the incident surface and the emitting surface e.g., the first angle (Ang-p1) in FIG. 9
- a second angle between the emitting surface and the reflecting surface e.g., : Among the second angle (Ang-p2) in FIG. 9) and the third angle between the reflection surface and the incident surface (e.g., the third angle (Ang-p3) in FIG. 9
- the second angle is the minimum. It may be between 15 degrees and 40 degrees.
- an electronic device e.g., the electronic devices 101, 102, 104, 200, 300, and 400 of FIGS. 1 to 6) includes a lens assembly (e.g., the electronic devices 101, 102, 104, 200, 300, and 400 of FIGS. 1 to 3).
- Camera modules 180, 205, 212, 213), or lens assemblies (500, 600, 700, 800, 900, 1000, 1100) of FIGS. 6, 8, 13, 17, 21, and 25,
- it may include a processor (eg, processor 120 in FIG. 1) configured to acquire an image by receiving external light using the lens assembly.
- the lens assembly includes at least two elements arranged along a first optical axis (e.g., first optical axis O1 in FIG. 8) from the object (e.g., object OB in FIG. 8).
- Lenses e.g., lenses (L1, L2, L3, L4) of FIGS. 8, 13, 17, 21, and 25), to receive guided and/or focused light through the at least two lenses.
- a set image sensor e.g., the image sensor (I) of FIGS. 8, 13, 17, 21, and 25
- an imaging surface disposed obliquely with respect to the first optical axis e.g., an imaging surface (img) of FIG.
- a first optical member disposed between the image sensor, the at least two lenses, and the image sensor e.g., the first optical member of FIGS. 8, 13, 17, 21, and 25) As R1
- light is incident on the first optical axis through the at least two lenses and is emitted along a second optical axis (e.g., the second optical axis O2 in FIG. 8) intersecting the first optical axis.
- the first optical member, and a second optical member disposed between the first optical member and the image sensor e.g., the second optical member (R2) in FIGS.
- the lens assembly is an object-side surface (e.g., 'of FIG. 8) of the object-side first lens (e.g., the first lens (L1) of FIGS. 8, 13, 17, 21, and 25). From the surface indicated as 'S2') to the sensor side of the first lens (e.g., the fourth lens (L4) in FIGS.
- the second optical member has an incident surface facing the first optical member (e.g., the incident surface F1 in FIG. 9) and an exit surface facing the image sensor (e.g., the emission surface in FIG. 9). (F2)) and a reflective surface disposed at an angle with respect to the emission surface (e.g., the second reflective surface (F3) in FIG. 9), and the second optical member is between the incident surface and the emission surface. It may be configured to reflect and/or refract light incident on the surface at least twice.
- a first angle between the incident surface and the emitting surface e.g., the first angle (Ang-p1) in FIG. 9
- a second angle between the emitting surface and the reflecting surface e.g., : Among the second angle (Ang-p2) in FIG. 9) and the third angle between the reflection surface and the incident surface (e.g., the third angle (Ang-p3) in FIG. 9
- the second angle is the minimum. It may be between 15 degrees and 40 degrees.
- the lens assembly includes 'f1', which is the focal length of the first lens on the object side, and the second lens on the object side (e.g., the second lens in FIGS. 8, 13, 17, 21, and 25)
- 'f2' the focal length of L2
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Abstract
Description
수학식 1 | 수학식 2 | 수학식 3 | 수학식 4 | 수학식 5 | 수학식 6 | |
실시예1 (도 8) |
0.267 | 30 | -0.659 | 37.4 | 0.369 | 25.96 |
실시예2 (도 13) |
0.267 | 30 | -1.145 | 56.09 | 0.393 | 26.01 |
실시예3 (도 17) |
0.267 | 30 | -0.633 | 37.4 | 0.333 | 26.01 |
실시예4 (도 21) |
0.275 | 30 | -0.753 | 37.4 | 0.263 | 26.29 |
실시예5 (도 25) |
0.267 | 30 | -0.312 | 55.71 | 0.259 | 26.39 |
실시예6 (도 29) |
0.220 | 30 | -0.635 | 44.9 | 0.386 | 18.79 |
렌즈면 (Surf) |
곡률반경 (Radius) |
두께 (Thick) |
유효초점거리 (EFL) |
굴절률 (nd) |
아베수 (vd) |
굴절 모드 |
obj | infinity | infinity | ||||
S1 | infinity | 0.00000 | ||||
S2*(sto) | 2.39198 | 0.96020 | 4.050 | 1.56717 | 37.4 | 굴절 |
S3* | -58.85040 | 0.05000 | 굴절 | |||
S4* | 3.46210 | 0.41168 | -6.147 | 1.67074 | 19.24 | 굴절 |
S5* | 1.80126 | 0.35095 | 굴절 | |||
S6* | -13.72389 | 0.37625 | 6.457 | 1.67074 | 19.24 | 굴절 |
S7* | -3.35921 | 0.10092 | 굴절 | |||
S8* | -6.44467 | 0.35000 | -4.751 | 1.67074 | 19.24 | 굴절 |
S9* | 6.59759 | 0.50000 | 굴절 | |||
S10 | infinity | 1.20000 | infinity | 1.94593 | 17.98 | 굴절 |
S11 | infinity | -1.20000 | infinity | -1.94593 | 17.98 | 전반사 |
S12 | infinity | -0.60000 | 굴절 | |||
S13 | infinity | -2.20000 | infinity | -1.51680 | 64.17 | 굴절 |
S14 | infinity | 1.80000 | infinity | 1.51680 | 64.17 | 전반사 |
S15 | infinity | -0.90000 | infinity | -1.51680 | 64.17 | 반사 |
S16 | infinity | 0 | 굴절 | |||
S17 | infinity | 0 | 굴절 | |||
S18 | infinity | -0.42119 | 굴절 | |||
img | infinity | -0.0115 | 굴절 |
렌즈면 (Surf) |
S2* | S3* | S4* | S5* |
Radius | 2.39198E+00 | -5.88504E+01 | 3.46210E+00 | 1.80126E+00 |
K(Conic) | 4.50896E-02 | -1.38710E+01 | -3.96270E+01 | -1.03648E+01 |
A(4th)/C4 | 5.47440E-03 | -7.37513E-02 | -5.96554E-02 | -3.67511E-02 |
B(6th)/C5 | -1.66325E-02 | 3.77928E-01 | 4.35788E-01 | 5.13135E-01 |
C(8th)/C6 | 3.80893E-02 | -8.53122E-01 | -9.40087E-01 | -1.26182E+00 |
D(10th)/C7 | -5.05520E-02 | 1.09324E+00 | 9.11147E-01 | 1.72628E+00 |
E(12th)/C8 | 3.80753E-02 | -7.88205E-01 | -4.38248E-02 | -7.31648E-01 |
F(14th)/C9 | -1.40990E-02 | 2.78636E-01 | -7.71345E-01 | -1.38027E+00 |
G(16th)/C10 | 9.79239E-04 | -1.40389E-02 | 7.30864E-01 | 2.11749E+00 |
H(18th)/C11 | 8.32481E-04 | -1.87788E-02 | -2.83478E-01 | -1.11001E+00 |
J(20th)/C12 | -1.75300E-04 | 3.86649E-03 | 4.12930E-02 | 2.07291E-01 |
렌즈면 (Surf) |
S6* | S7* | S8* | S9* |
Radius | -1.37239E+01 | -3.35921E+00 | -6.44467E+00 | 6.59759E+00 |
K(Conic) | 2.24390E+01 | -2.23591E+01 | -9.90000E+01 | 3.12155E+01 |
A(4th)/C4 | -3.16984E-01 | -4.79497E-01 | -2.99946E-01 | -3.06924E-02 |
B(6th)/C5 | 1.03310E+00 | 1.66934E+00 | 1.03750E+00 | -6.18859E-02 |
C(8th)/C6 | -2.04524E+00 | -3.11570E+00 | -1.26376E+00 | 6.18913E-01 |
D(10th)/C7 | 4.13370E+00 | 4.87427E+00 | -7.69160E-01 | -2.42981E+00 |
E(12th)/C8 | -7.41189E+00 | -7.82473E+00 | 3.38959E+00 | 4.86338E+00 |
F(14th)/C9 | 8.99547E+00 | 1.00064E+01 | -2.76255E+00 | -5.50440E+00 |
G(16th)/C10 | -6.62762E+00 | -7.85074E+00 | 5.85461E-02 | 3.52201E+00 |
H(18th)/C11 | 2.68492E+00 | 3.21812E+00 | 8.56664E-01 | -1.17108E+00 |
J(20th)/C12 | -4.59202E-01 | -5.16612E-01 | -2.86224E-01 | 1.52382E-01 |
렌즈면 (Surf) |
곡률반경 (Radius) |
두께 (Thick) |
유효초점거리 (EFL) |
굴절률 (nd) |
아베수 (vd) |
굴절 모드 |
obj | infinity | infinity | ||||
S1 | infinity | 0.00000 | ||||
S2* | 2.89245 | 1.02176 | 2.353 | 1.54410 | 56.09 | 굴절 |
S3* | -2.02593 | 0.19824 | 굴절 | |||
S4* | -3.11610 | 0.35000 | -2.055 | 1.56717 | 37.4 | 굴절 |
S5* | 1.95734 | 0.30000 | 굴절 | |||
S6* | -89.71509 | 0.35000 | 28.764 | 1.61554 | 25.8 | 굴절 |
S7* | -14.92158 | 0.03000 | 굴절 | |||
S8* | 10.00486 | 0.35000 | 69.146 | 1.66074 | 20.38 | 굴절 |
S9*(sto) | 12.59048 | 0.50000 | 굴절 | |||
S10 | infinity | 1.10000 | infinity | 1.71736 | 29.5 | 굴절 |
S11 | infinity | -1.10000 | infinity | -1.71736 | 29.5 | 전반사 |
S12 | infinity | -0.50000 | 굴절 | |||
S13 | infinity | -2.45000 | infinity | -1.49700 | 81.61 | 굴절 |
S14 | infinity | 1.50000 | infinity | 1.49700 | 81.61 | 전반사 |
S15 | infinity | -1.50000 | infinity | -1.49700 | 81.61 | 반사 |
S16 | infinity | 0 | 굴절 | |||
S17 | infinity | -0.53621 | 굴절 | |||
img | infinity | -0.0095 | 굴절 |
렌즈면 (Surf) |
S2* | S3* | S4* | S5* |
Radius | 2.89245E+00 | -2.02593E+00 | -3.11610E+00 | 1.95734E+00 |
K(Conic) | -5.15677E-02 | -2.65980E+01 | -9.90000E+01 | -1.31788E+01 |
A(4th)/C4 | -4.46070E-03 | -5.68160E-02 | 2.16330E-01 | 5.80100E-01 |
B(6th)/C5 | -1.27769E-04 | 4.51103E-02 | -1.19656E+00 | -2.16169E+00 |
C(8th)/C6 | -7.99375E-03 | 4.75279E-02 | 3.20456E+00 | 3.99256E+00 |
D(10th)/C7 | 1.85932E-02 | -7.51864E-02 | -4.96843E+00 | -3.62159E+00 |
E(12th)/C8 | -1.63235E-02 | 3.06638E-02 | 4.93761E+00 | -4.52961E-01 |
F(14th)/C9 | 7.48600E-03 | 9.61607E-03 | -3.19916E+00 | 4.90387E+00 |
G(16th)/C10 | -1.46028E-03 | -1.19814E-02 | 1.31020E+00 | -5.21051E+00 |
H(18th)/C11 | -4.05371E-05 | 3.39415E-03 | -3.08938E-01 | 2.42985E+00 |
J(20th)/C12 | 4.21895E-05 | -2.42152E-04 | 3.21118E-02 | -4.37654E-01 |
렌즈면 (Surf) |
S6* | S7* | S8* | S9* |
Radius | -8.97151E+01 | -1.49216E+01 | 1.00049E+01 | 1.25905E+01 |
K(Conic) | 9.90000E+01 | -9.90000E+01 | 6.98064E+01 | 6.45717E+01 |
A(4th)/C4 | 1.35468E-01 | -8.05339E-01 | -8.60973E-01 | -7.66905E-02 |
B(6th)/C5 | 1.88585E-01 | 5.91813E+00 | 5.35525E+00 | 2.41507E-01 |
C(8th)/C6 | -3.06198E+00 | -2.30189E+01 | -1.94061E+01 | -3.74020E-01 |
D(10th)/C7 | 7.40884E+00 | 5.35609E+01 | 4.48818E+01 | 4.49977E-01 |
E(12th)/C8 | -8.97750E+00 | -7.89370E+01 | -6.71722E+01 | -5.91390E-01 |
F(14th)/C9 | 6.67993E+00 | 7.56148E+01 | 6.50696E+01 | 7.09221E-01 |
G(16th)/C10 | -3.31559E+00 | -4.61193E+01 | -3.96161E+01 | -5.85907E-01 |
H(18th)/C11 | 1.06438E+00 | 1.63701E+01 | 1.38395E+01 | 2.75422E-01 |
J(20th)/C12 | -1.66404E-01 | -2.57932E+00 | -2.12182E+00 | -5.49111E-02 |
렌즈면 (Surf) |
곡률반경 (Radius) |
두께 (Thick) |
유효초점거리 (EFL) |
굴절률 (nd) |
아베수 (vd) |
굴절 모드 |
obj | infinity | infinity | ||||
S1 | infinity | 0.00000 | ||||
S2*(sto) | 2.77006 | 0.86599 | 4.031 | 1.56717 | 37.4 | 굴절 |
S3* | -12.03790 | 0.06160 | 굴절 | |||
S4* | 2.88557 | 0.37205 | -6.369 | 1.65035 | 21.53 | 굴절 |
S5* | 1.62093 | 0.43149 | 굴절 | |||
S6* | -3.83961 | 0.40769 | 3.844 | 1.65035 | 21.53 | 굴절 |
S7* | -1.58818 | 0.11118 | 굴절 | |||
S8* | -2.94631 | 0.35000 | -3.253 | 1.67074 | 19.24 | 굴절 |
S9* | 9.24009 | 0.70000 | 굴절 | |||
S10 | infinity | 1.25000 | infinity | 1.94593 | 17.98 | 굴절 |
S11 | infinity | -1.25000 | infinity | -1.94593 | 17.98 | 전반사 |
S12 | infinity | -0.40000 | 굴절 | |||
S13 | infinity | -2.20000 | infinity | -1.51680 | 64.17 | 굴절 |
S14 | infinity | 2.00000 | infinity | 1.51680 | 64.17 | 전반사 |
S15 | infinity | -1.00000 | infinity | -1.51680 | 64.17 | 반사 |
S16 | infinity | 0 | 굴절 | |||
S17 | infinity | 0 | 굴절 | |||
S18 | infinity | -0.4879 | 굴절 | |||
img | infinity | -0.0115 | 굴절 |
렌즈면 (Surf) |
S2* | S3* | S4* | S5* |
Radius | 2.77006E+00 | -1.20379E+01 | 2.88557E+00 | 1.62093E+00 |
K(Conic) | -8.10478E-02 | -1.07329E+01 | -3.52748E+01 | -1.23794E+01 |
A(4th)/C4 | 3.89242E-03 | -1.22249E-03 | 6.63243E-02 | 1.58664E-01 |
B(6th)/C5 | 2.12816E-03 | 7.89209E-02 | -1.44481E-01 | -4.40392E-01 |
C(8th)/C6 | -2.36071E-02 | -2.30898E-01 | 3.86720E-01 | 1.44789E+00 |
D(10th)/C7 | 5.43328E-02 | 3.80458E-01 | -8.75872E-01 | -3.49196E+00 |
E(12th)/C8 | -6.93422E-02 | -3.95273E-01 | 1.24937E+00 | 5.11237E+00 |
F(14th)/C9 | 5.39312E-02 | 2.69230E-01 | -1.06110E+00 | -4.32867E+00 |
G(16th)/C10 | -2.52394E-02 | -1.18898E-01 | 5.12826E-01 | 1.90746E+00 |
H(18th)/C11 | 6.50235E-03 | 3.10830E-02 | -1.27018E-01 | -3.12209E-01 |
J(20th)/C12 | -7.06822E-04 | -3.63698E-03 | 1.19052E-02 | -1.48722E-02 |
렌즈면 (Surf) |
S6* | S7* | S8* | S9* |
Radius | -3.83961E+00 | -1.58818E+00 | -2.94631E+00 | 9.24009E+00 |
K(Conic) | -1.84495E+01 | 3.92612E-02 | -6.39361E+01 | 5.58050E+01 |
A(4th)/C4 | -1.69007E-01 | 1.11348E-01 | -1.13976E-01 | 2.54008E-02 |
B(6th)/C5 | 3.19143E-01 | 2.47133E-01 | 8.97714E-01 | -9.51414E-02 |
C(8th)/C6 | 5.07715E-01 | 1.51521E-01 | -2.78258E+00 | 1.17247E-01 |
D(10th)/C7 | -3.29326E+00 | -2.83173E+00 | 4.75363E+00 | -2.00145E-01 |
E(12th)/C8 | 6.64886E+00 | 7.24173E+00 | -4.98512E+00 | 3.37174E-01 |
F(14th)/C9 | -7.13404E+00 | -9.33951E+00 | 3.10410E+00 | -4.00681E-01 |
G(16th)/C10 | 4.25874E+00 | 6.79319E+00 | -9.67449E-01 | 2.92626E-01 |
H(18th)/C11 | -1.30636E+00 | -2.65449E+00 | 4.06789E-02 | -1.18844E-01 |
J(20th)/C12 | 1.55300E-01 | 4.34723E-01 | 3.73469E-02 | 2.05172E-02 |
렌즈면 (Surf) |
곡률반경 (Radius) |
두께 (Thick) |
유효초점거리 (EFL) |
굴절률 (nd) |
아베수 (vd) |
굴절 모드 |
obj | infinity | infinity | ||||
S1 | infinity | 0.00000 | ||||
S2* | 10.23859 | 0.69844 | 4.830 | 1.56717 | 37.4 | 굴절 |
S3* | -3.67904 | 0.03000 | 굴절 | |||
S4* | 2.44406 | 0.55983 | -6.415 | 1.67074 | 19.24 | 굴절 |
S5* | 1.42049 | 0.54467 | 굴절 | |||
S6* | -4.25861 | 0.49706 | 3.975 | 1.63491 | 23.98 | 굴절 |
S7* | -1.66696 | 0.03000 | 굴절 | |||
S8* | -1.76751 | 0.30000 | -4.788 | 1.67074 | 19.24 | 굴절 |
S9*(sto) | -4.13991 | 0.70654 | 굴절 | |||
S10 | infinity | 1.25000 | 굴절 | |||
S11 | infinity | -1.25000 | 전반사 | |||
S12 | infinity | -0.40000 | 굴절 | |||
S13 | infinity | -2.11200 | infinity | -1.51680 | 64.17 | 굴절 |
S14 | infinity | 1.92000 | infinity | 1.51680 | 64.17 | 전반사 |
S15 | infinity | -0.96000 | infinity | -1.51680 | 64.17 | 반사 |
S16 | infinity | 0 | 굴절 | |||
S17 | infinity | -0.51558 | 굴절 | |||
img | infinity | 0.0121 | 굴절 |
렌즈면 (Surf) |
S2* | S3* | S4* | S5* |
Radius | 1.02386E+01 | -3.67904E+00 | 2.44406E+00 | 1.42049E+00 |
K(Conic) | 4.81667E+00 | -7.67180E+00 | -1.27930E+01 | -3.65531E+00 |
A(4th)/C4 | -5.69341E-03 | -1.41529E-02 | 6.40785E-02 | 1.03174E-01 |
B(6th)/C5 | 1.09285E-02 | 3.11212E-02 | -1.45066E-01 | -3.28039E-01 |
C(8th)/C6 | -1.42841E-02 | -3.52427E-02 | 1.78679E-01 | 5.34709E-01 |
D(10th)/C7 | 8.19285E-03 | 2.12171E-02 | -1.58613E-01 | -5.65257E-01 |
E(12th)/C8 | -2.45082E-03 | -6.70839E-03 | 9.69236E-02 | 3.91252E-01 |
F(14th)/C9 | 3.86474E-04 | 1.03371E-03 | -3.74055E-02 | -1.71139E-01 |
G(16th)/C10 | -2.11244E-05 | -4.89217E-05 | 8.10136E-03 | 4.31012E-02 |
H(18th)/C11 | 0.00000E+00 | 0.00000E+00 | -7.44946E-04 | -4.76448E-03 |
J(20th)/C12 | 0.00000E+00 | 0.00000E+00 | 0.00000E+00 | 0.00000E+00 |
렌즈면 (Surf) |
S6* | S7* | S8* | S9* |
Radius | -4.25861E+00 | -1.66696E+00 | -1.76751E+00 | -4.13991E+00 |
K(Conic) | -3.54859E+01 | 1.07597E-02 | -1.14768E+01 | -1.62287E+00 |
A(4th)/C4 | 9.73396E-02 | 4.31057E-01 | 6.76674E-02 | -1.20789E-02 |
B(6th)/C5 | -3.06865E-01 | -3.53551E-01 | 4.28382E-01 | 2.74527E-01 |
C(8th)/C6 | 5.45067E-01 | -1.27186E+00 | -2.83510E+00 | -8.86537E-01 |
D(10th)/C7 | -5.16128E-01 | 4.85328E+00 | 7.09720E+00 | 1.64961E+00 |
E(12th)/C8 | 2.71914E-01 | -7.23925E+00 | -9.50850E+00 | -1.88424E+00 |
F(14th)/C9 | -7.42660E-02 | 5.84400E+00 | 7.40401E+00 | 1.33871E+00 |
G(16th)/C10 | 8.14168E-03 | -2.67247E+00 | -3.35737E+00 | -5.74932E-01 |
H(18th)/C11 | 0.00000E+00 | 6.51585E-01 | 8.22811E-01 | 1.36345E-01 |
J(20th)/C12 | 0.00000E+00 | -6.58923E-02 | -8.43020E-02 | -1.36861E-02 |
렌즈면 (Surf) |
곡률반경 (Radius) |
두께 (Thick) |
유효초점거리 (EFL) |
굴절률 (nd) |
아베수 (vd) |
굴절 모드 |
obj | infinity | infinity | ||||
S1 | infinity | 0.00000 | ||||
S2*(sto) | 4.81438 | 0.66890 | 6.322 | 1.53480 | 55.71 | 굴절 |
S3* | -10.96359 | 0.05000 | 굴절 | |||
S4* | 1.88189 | 0.30999 | -20.242 | 1.63491 | 23.98 | 굴절 |
S5* | 1.53779 | 0.08692 | 굴절 | |||
S6* | 1.79756 | 0.30000 | -5.347 | 1.63915 | 23.52 | 굴절 |
S7* | 1.10464 | 0.54671 | 굴절 | |||
S8* | 3.66400 | 0.62402 | 6.277 | 1.56717 | 37.4 | 굴절 |
S9* | -151.66280 | 0.50000 | 굴절 | |||
S10 | infinity | 1.25000 | 굴절 | |||
S11 | infinity | -1.25000 | 전반사 | |||
S12 | infinity | -0.40000 | 굴절 | |||
S13 | infinity | -2.20000 | infinity | -1.51680 | 64.17 | 굴절 |
S14 | infinity | 2.00000 | infinity | 1.51680 | 64.17 | 전반사 |
S15 | infinity | -1.00000 | infinity | -1.51680 | 64.17 | 반사 |
S16 | infinity | 0 | 굴절 | |||
S17 | infinity | 0 | 굴절 | |||
S18 | infinity | -0.29628 | 굴절 | |||
img | infinity | -0.0145 | 굴절 |
렌즈면 (Surf) |
S2* | S3* | S4* | S5* |
Radius | 4.81438E+00 | -1.09636E+01 | 1.88189E+00 | 1.53779E+00 |
K(Conic) | 3.54569E+00 | -8.81750E+01 | -1.11753E+00 | -2.97857E+00 |
A(4th)/C4 | 1.10535E-02 | 3.75683E-02 | -6.77231E-02 | -8.04691E-02 |
B(6th)/C5 | -2.37619E-02 | 6.00630E-02 | 3.05337E-01 | 6.04620E-01 |
C(8th)/C6 | 5.51038E-02 | -1.72126E-01 | -6.18872E-01 | -1.59535E+00 |
D(10th)/C7 | -7.31852E-02 | 1.93129E-01 | 6.59582E-01 | 2.32597E+00 |
E(12th)/C8 | 5.71269E-02 | -1.21215E-01 | -4.20411E-01 | -2.06428E+00 |
F(14th)/C9 | -2.70837E-02 | 4.55352E-02 | 1.63641E-01 | 1.13397E+00 |
G(16th)/C10 | 7.67817E-03 | -1.01392E-02 | -3.76324E-02 | -3.75594E-01 |
H(18th)/C11 | -1.20040E-03 | 1.22357E-03 | 4.60537E-03 | 6.86622E-02 |
J(20th)/C12 | 7.97410E-05 | -6.04962E-05 | -2.21886E-04 | -5.31537E-03 |
렌즈면 (Surf) |
S6* | S7* | S8* | S9* |
Radius | 1.79756E+00 | 1.10464E+00 | 3.66400E+00 | -1.51663E+02 |
K(Conic) | -4.28944E+00 | -6.17228E-01 | -1.33453E+01 | 9.90000E+01 |
A(4th)/C4 | -1.20176E-02 | -9.32545E-02 | 6.15451E-02 | 1.80431E-02 |
B(6th)/C5 | 1.11064E-01 | -2.50681E-01 | -5.88048E-02 | -4.91700E-03 |
C(8th)/C6 | -5.07951E-01 | 6.81713E-01 | 6.94644E-02 | -1.15032E-02 |
D(10th)/C7 | 1.04700E+00 | -9.18078E-01 | -5.28833E-02 | 4.47342E-02 |
E(12th)/C8 | -1.14248E+00 | 7.54505E-01 | 1.41760E-02 | -6.67360E-02 |
F(14th)/C9 | 7.21138E-01 | -3.83446E-01 | 1.25406E-02 | 5.43212E-02 |
G(16th)/C10 | -2.65043E-01 | 1.14335E-01 | -1.25307E-02 | -2.48871E-02 |
H(18th)/C11 | 5.27410E-02 | -1.76176E-02 | 4.17500E-03 | 5.96954E-03 |
J(20th)/C12 | -4.39872E-03 | 9.87459E-04 | -4.95931E-04 | -5.77902E-04 |
렌즈면 (Surf) |
곡률반경 (Radius) |
두께 (Thick) |
유효초점거리 (EFL) |
굴절률 (nd) |
아베수 (vd) |
굴절 모드 |
obj | infinity | infinity | ||||
S1 | infinity | 0.00000 | ||||
S2 | 4.46972 | 1.42806 | 6.981 | 1.74400 | 44.9 | 굴절 |
S3 | 26.81334 | 0.16532 | 굴절 | |||
S4 | 11.69539 | 0.69575 | -10.994 | 1.94593 | 17.98 | 굴절 |
S5 | 5.38100 | 0.30000 | 굴절 | |||
S6* | 13.14997 | 0.65009 | 11.471 | 1.67074 | 19.24 | 굴절 |
S7* | -18.71445 | 0.11079 | 굴절 | |||
S8*(sto) | -17.60577 | 0.35000 | -8.261 | 1.61444 | 25.94 | 굴절 |
S9* | 7.27892 | 1.50000 | 굴절 | |||
S10 | infinity | 1.80000 | infinity | 1.80610 | 40.73 | 굴절 |
S11 | infinity | -1.80000 | infinity | -1.80610 | 40.73 | 전반사 |
S12 | infinity | -0.40000 | 굴절 | |||
S13 | infinity | -3.60000 | infinity | -1.51680 | 64.17 | 굴절 |
S14 | infinity | 2.80000 | infinity | 1.51680 | 64.17 | 전반사 |
S15 | infinity | -1.40000 | infinity | -1.51680 | 64.17 | 반사 |
S16 | infinity | -2.0044 | 굴절 | |||
img | infinity | 0.0015 | 굴절 |
렌즈면 (Surf) |
S6* | S7* | S8* | S9* |
Radius | 1.31500E+01 | -1.87144E+01 | -1.76058E+01 | 7.27892E+00 |
K(Conic) | 2.96540E+01 | 1.04376E+01 | -4.33088E-01 | 9.83118E+00 |
A(4th)/C4 | 1.71245E-03 | -7.02775E-03 | -2.27348E-02 | -9.98966E-03 |
B(6th)/C5 | -7.10760E-03 | 2.47936E-03 | 3.19183E-02 | 1.94378E-02 |
C(8th)/C6 | 7.93882E-03 | 6.54277E-03 | -2.66369E-02 | -2.27085E-02 |
D(10th)/C7 | -4.94674E-03 | -8.03284E-03 | 1.42199E-02 | 1.59888E-02 |
E(12th)/C8 | 1.88412E-03 | 4.31713E-03 | -5.21168E-03 | -7.26017E-03 |
F(14th)/C9 | -4.55793E-04 | -1.34264E-03 | 1.30264E-03 | 2.15560E-03 |
G(16th)/C10 | 6.87166E-05 | 2.53302E-04 | -2.07019E-04 | -4.05645E-04 |
H(18th)/C11 | -5.88568E-06 | -2.70550E-05 | 1.83835E-05 | 4.38516E-05 |
J(20th)/C12 | 2.16835E-07 | 1.25311E-06 | -6.80453E-07 | -2.07809E-06 |
Claims (15)
- 렌즈 어셈블리(180; 205; 212; 213; 500; 600; 700; 800; 900; 1000; 1100)에 있어서,물체(OB)측으로부터 제1 광축(O1) 방향을 따라 배열된 적어도 2매의 렌즈(L1, L2, L3, L4);상기 적어도 2매의 렌즈를 통해 안내 또는 집속된 빛을 수신하도록 설정된 이미지 센서(I)로서, 상기 제1 광축에 대하여 경사지게 배치된 결상면(img)을 포함하는 상기 이미지 센서;상기 적어도 2매의 렌즈와 상기 이미지 센서 사이에 배치된 제1 광학 부재(R1)로서, 상기 제1 광축 방향에서 상기 적어도 2매의 렌즈를 통해 빛을 입사받아 상기 제1 광축에 교차하는 제2 광축(O2) 방향을 따라 출사하는 상기 제1 광학 부재; 및상기 제1 광학 부재와 상기 이미지 센서 사이에 배치된 제2 광학 부재(R2)로서, 상기 제2 광축 방향에서 상기 제1 광학 부재를 통해 빛을 입사받아 상기 제2 광축에 교차하는 제3 광축(O3) 방향을 따라 상기 이미지 센서로 출사하는 상기 제2 광학 부재를 포함하고,다음의 [조건식1] 및 [조건식2]를 만족하는 렌즈 어셈블리.[조건식1]0.1 <= TTL/f <= 0.35[조건식2]15 <= Ang-min <= 40여기서, 'TTL'은 물체측 첫번째 렌즈(L1)의 물체측 면(S2)으로부터 이미지 센서측 첫번째 렌즈(L4)의 센서측 면(S9)까지의 길이이고, 'f'는 상기 렌즈 어셈블리의 초점거리이며, 'Ang-min'는 상기 제2 광학 부재의 인접하는 두 면(surface)이 이루는 각도들 중 최소 각도임.
- 제1 항에 있어서, 다음의 [조건식3]을 만족하는 렌즈 어셈블리.[조건식3]-2 <= f1/f2 <= -0.1여기서, 'f1'은 물체측 첫번째 렌즈의 초점거리이고, 'f2'은 물체측 두번째 렌즈(L2)의 초점거리임.
- 제1 항 내지 제2 항 중 어느 한 항에 있어서, 다음의 [조건식4]를 만족하는 렌즈 어셈블리.[조건식4]25 <= Vd-1 <= 95여기서, 'Vd-1'은 물체측 첫번째 렌즈의 아베수임.
- 제1 항 내지 제3 항 중 어느 한 항에 있어서, 다음의 [조건식5]를 만족하는 렌즈 어셈블리.[조건식5]0.1 <= t-L1/TTL <= 0.5여기서, 't-L1'은 물체측 첫번째 렌즈의 두께임.
- 제1 항 내지 제4 항 중 어느 한 항에 있어서, 다음의 [조건식6]을 만족하는 렌즈 어셈블리.[조건식6]5 <= FoV <= 35여기서, 'FoV'는 상기 렌즈 어셈블리의 화각(field of view)임.
- 제1 항 내지 제5 항 중 어느 한 항에 있어서, 상기 제1 광학 부재는 미러 또는 프리즘을 포함하고, 상기 제2 광학 부재는 프리즘을 포함하는 렌즈 어셈블리.
- 제1 항 내지 제6 항 중 어느 한 항에 있어서, 상기 적어도 2매의 렌즈 중 적어도 하나를 상기 제1 광축 방향을 따라 이동시킴으로써 초점 거리 조절 또는 초점 조절을 수행하도록 구성된 렌즈 어셈블리.
- 제1 항 내지 제7 항 중 어느 한 항에 있어서, 상기 적어도 2매의 렌즈 중 적어도 하나를 상기 제1 광축에 수직인 평면에서 이동시킴으로써 손떨림 보정을 수행하도록 구성된 렌즈 어셈블리.
- 제1 항 내지 제8 항 중 어느 한 항에 있어서, 상기 제1 광학 부재를 상기 제1 광축에 대하여 회전 또는 틸트(tilt)시킴으로써 손떨림 보정을 수행하도록 구성된 렌즈 어셈블리.
- 제1 항 내지 제9 항 중 어느 한 항에 있어서, 상기 제3 광축은 상기 제1 광축에 교차 또는 평행한 렌즈 어셈블리.
- 제1 항 내지 제10 항 중 어느 한 항에 있어서, 상기 제2 광학 부재는, 상기 제1 광학 부재를 향하는 입사면(F1)과, 상기 이미지 센서를 향하는 출사면(F2)을 포함하고,상기 입사면과 상기 출사면 사이에서, 상기 제2 광학 부재는 상기 입사면으로 입사된 빛을 적어도 2회 반사 또는 굴절시키도록 구성된 렌즈 어셈블리.
- 제11 항에 있어서,상기 입사면 또는 상기 출사면 중 적어도 하나에 배치된 적외선 차단층(IFL)을 더 포함하는 렌즈 어셈블리.
- 제11 항 내지 제12 항 중 어느 한 항에 있어서, 상기 제2 광학 부재는, 상기 출사면에 대하여 경사지게 배치된 반사면(F3)을 더 포함하고,상기 제2 광학 부재의 내부에서, 상기 출사면과 상기 반사면이 상기 입사면으로 입사된 빛을 반사 또는 굴절시키고,상기 제2 광학 부재의 내부에서 적어도 2회 반사 또는 굴절된 빛은, 상기 출사면을 통해 상기 이미지 센서로 안내 또는 출사되는 렌즈 어셈블리.
- 제13 항에 있어서, 상기 입사면과 상기 출사면 사이의 제1 각도(Ang-p1)와, 상기 출사면과 상기 반사면 사이의 제2 각도(Ang-p2)와, 상기 반사면과 상기 입사면 사이의 제3 각도(Ang-p3) 중 상기 제2 각도가 최소이며 15도 이상 40도 이하인 렌즈 어셈블리.
- 전자 장치(101; 102; 104; 200; 300; 400)에 있어서,제1 항 내지 제14 항 중 어느 한 항에 따른 렌즈 어셈블리(180; 205; 212; 213; 500; 600; 700; 800; 900; 1000; 1100); 및상기 렌즈 어셈블리를 이용하여 외부의 빛을 수신함으로써 이미지를 획득하도록 설정된 적어도 하나의 프로세서(120)를 포함하는 전자 장치.
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EP23811925.9A EP4481460A4 (en) | 2022-05-26 | 2023-01-09 | LENS ARRANGEMENT AND ELECTRONIC DEVICE THEREOF |
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KR20000016001U (ko) * | 1999-01-21 | 2000-08-16 | 이중구 | 대물부에 편차 프리즘을 구비한 실상식 파인더 |
KR100626551B1 (ko) * | 2001-12-04 | 2006-09-22 | 펜탁스 가부시키가이샤 | 정립 관찰 광학계 |
KR20170056255A (ko) * | 2015-11-13 | 2017-05-23 | 삼성전자주식회사 | 망원렌즈 및 촬상장치 |
US20210048628A1 (en) * | 2017-07-23 | 2021-02-18 | Corephotonics Ltd. | Compact folded lenses with large apertures |
KR20200087214A (ko) * | 2017-12-21 | 2020-07-20 | 애플 인크. | 접이식 렌즈 시스템 |
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