CN217085483U - Flash lamp subassembly and intelligent terminal - Google Patents

Abstract

The application provides a flash light subassembly and intelligent terminal, the flash light subassembly include the flash light, set up in the lamp shade of flash light-emitting side and set up in the lamp shade dorsad the even light device of flash light one side. Flash light subassembly sets up dodging device through a for the light that sends from the flash light is in the process the four corners of shooting the picture is dispersed behind the dodging device, has promoted the dark state and has dodged the light efficiency homogeneity of shooting, corresponding also improved the tolerance of the fit tolerance of flash light subassembly has solved the problem that appears bright line and dark line in the facula, and then has promoted user experience.

Description

Flash lamp subassembly and intelligent terminal

Technical Field

The application relates to the technical field of intelligent terminals, in particular to a flash lamp assembly and an intelligent terminal using the same.

Background

At present, a flash lamp device is generally arranged in a front-mounted shooting device of an intelligent terminal, and when shooting is carried out in a dark place, a flash lamp of the flash lamp device is turned on to enable a shot picture to be brighter.

In the course of conceiving and implementing the present application, the inventors found that at least the following problems existed: in some schemes, four corners of a photographed image are dark when dark flashing photographing is performed, the tolerance of assembly tolerance is poor, and the problem that light spots have bright lines and dark lines also occurs.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

To above-mentioned technical problem, this application provides a flash light subassembly, makes the user under the condition that does not influence the exquisite degree of equipment outward appearance, can solve the problem that appears bright line and dark line in the screen black border and the facula that produce when beating the shooting of dodging.

In order to solve the technical problem, the application provides a flash lamp component, the flash lamp component include the flash lamp, set up in the lamp shade of flash lamp light-emitting side and set up in the lamp shade dorsad the even light device of flash lamp one side.

Optionally, the light unifying device is a diffractive optical element and/or a diffuser.

Optionally, the flash lamp assembly is provided with a fixing piece, and the fixing piece is used for fixing the dodging device on a shell and/or a screen of the intelligent terminal.

Optionally, one end of the fixing member is provided with a first opening, the light uniformizing device is clamped and fixed in the first opening, and the other end of the fixing member is fixed on a housing and/or a screen of the intelligent terminal.

Optionally, the dodging device is clamped and fixed in the first opening.

Optionally, the flash lamp assembly is further provided with an adjusting piece, one end of the adjusting piece is provided with a second opening, the light homogenizing device is fixed in the second opening, and the adjusting piece is used for adjusting the distance between the light homogenizing assembly and the lamp shade.

Optionally, the dodging device is clamped and fixed in the second opening.

Optionally, the other end of the adjusting member is connected to a driver, and the driver is configured to adjust a distance between the light uniformizing device and the lamp cover.

Optionally, the dodging device may have a thickness of 0.3 mm.

Optionally, the gap between the light homogenizing device and the light emitting surface of the lampshade can be 0.1-0.3 mm.

Optionally, at least one of the following is included:

the lampshade is a Fresnel lens;

a thread structure is arranged on one side of the lampshade facing the flash lamp;

the area of the light inlet surface of the lampshade is larger than that of the light outlet surface of the lampshade.

The application also provides an intelligent terminal, the intelligent terminal comprises the flash lamp component in any one of the embodiments.

Optionally, the intelligent terminal further comprises a screen and/or a housing, the screen and/or the housing is provided with a window, and light emitted by the flash lamp assembly is emitted through the window.

Optionally, a light homogenizing device in the flash lamp assembly is arranged to be attached to the screen and/or the shell; or, the light homogenizing device is adhered to the screen and/or the shell through transparent glue.

Optionally, the intelligent terminal includes: the camera assembly, the flash lamp assembly and the processor are arranged on the circuit board, the circuit board is fixed on the shell, the processor is used for controlling the camera assembly and the flash lamp assembly, and the flash lamp assembly is the flash lamp assembly.

Optionally, the intelligent terminal further comprises a screen, an accommodating space is formed between the screen and the casing and used for accommodating the circuit board, the camera assembly, the flash lamp assembly and the processor, a window is formed in the screen, and light emitted by the flash lamp assembly is emitted through the window.

As mentioned above, the flash lamp component provided by the application comprises the flash lamp, the lampshade arranged on the light-emitting side of the flash lamp, and the light homogenizing device arranged on one side of the lampshade, which faces away from the flash lamp. Flash light subassembly is through setting up dodging device for the light that sends from the flash light is in the process the four corners of shooting the picture is dispersed behind the dodging device, and the dark state is dodged and is shot the light efficiency homogeneity and rise by a wide margin, and is corresponding also improved the tolerance of the fit tolerance of flash light subassembly has solved the problem that appears bright line and dark line in the facula, and then has promoted user experience.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic diagram of a hardware structure of an intelligent terminal implementing various embodiments of the present application;

FIG. 2 is a schematic diagram illustrating an angled configuration of a flash assembly according to an embodiment;

FIG. 3 is a schematic diagram of another angular configuration of a flash assembly according to an embodiment;

FIG. 4 is a graphical representation of a photographic image and flash illumination without a diffractive optical element in a flash assembly according to an embodiment;

fig. 5 is a graph illustrating a photographed picture and flash illuminance after a diffractive optical element is disposed in a flash assembly according to an embodiment.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the recitation of an element by the phrase "comprising an … …" does not exclude the presence of additional like elements in the process, method, article, or apparatus that comprises the element, and optionally, identically named components, features, and elements in different embodiments of the present application may have different meanings, as may be determined by their interpretation in the embodiment or by their further context within the embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, species, and/or groups thereof. As used herein, the terms "or," "and/or," "including at least one of the following," and the like, are to be construed as inclusive or meaning any one or any combination. For example, "includes at least one of: A. b, C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C ", again for example," A, B or C "or" A, B and/or C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C'. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for the convenience of description of the present application, and have no specific meaning in themselves. Thus, "module", "component" or "unit" may be used mixedly.

The smart terminal may be implemented in various forms. For example, the smart terminal described in the present application may include smart terminals such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and fixed terminals such as a Digital TV, a desktop computer, and the like.

Referring to fig. 1, which is a schematic diagram of a hardware structure of an intelligent terminal for implementing various embodiments of the present application, the intelligent terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the intelligent terminal architecture shown in fig. 1 does not constitute a limitation of the intelligent terminal, and that the intelligent terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.

The following specifically describes each component of the intelligent terminal with reference to fig. 1:

the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex-Long Term Evolution), TDD-LTE (Time Division duplex-Long Term Evolution, Time Division Long Term Evolution), 5G, and so on.

WiFi belongs to short-distance wireless transmission technology, and the intelligent terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the smart terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the smart terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the smart terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is for receiving an audio or video signal. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, and the Graphics processor 1041 processes image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.

The smart terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor and a proximity sensor, the ambient light sensor may adjust the brightness of the display panel 1061 according to the brightness of ambient light, and the proximity sensor may turn off the display panel 1061 and/or the backlight when the smart terminal 100 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.

The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the intelligent terminal. Alternatively, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. Optionally, the touch detection device detects a touch orientation of a user, detects a signal caused by a touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. Optionally, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited thereto.

Alternatively, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the smart terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the smart terminal, and is not limited herein.

The interface unit 108 serves as an interface through which at least one external device is connected to the smart terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the smart terminal 100 or may be used to transmit data between the smart terminal 100 and the external device.

The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a program storage area and a data storage area, and optionally, the program storage area may store an operating system, an application program (such as a sound playing function, an image playing function, and the like) required by at least one function, and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 110 is a control center of the intelligent terminal, connects various parts of the entire intelligent terminal using various interfaces and lines, and performs various functions of the intelligent terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the intelligent terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor, optionally, the application processor mainly handles operating systems, user interfaces, application programs, etc., and the modem processor mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The intelligent terminal 100 may further include a power supply 111 (such as a battery) for supplying power to each component, and preferably, the power supply 111 may be logically connected to the processor 110 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system.

Although not shown in fig. 1, the smart terminal 100 may further include a bluetooth module or the like, which is not described herein.

Based on the above intelligent terminal hardware structure, the embodiments of the present application are provided.

First embodiment

Fig. 2 shows a structural view of a flash assembly of the present embodiment at an angle, and fig. 3 shows a structural view of a flash assembly of the present embodiment at another angle, wherein the angles of the structural view of the flash assembly shown in fig. 2 are orthogonally distributed to the angles of the structural view of the flash assembly shown in fig. 3.

Referring to fig. 2 and 3, the flash assembly proposed by the present application includes: the backlight module comprises a flash lamp 10, a lampshade 20 arranged on the light emitting side of the flash lamp 10 and a light homogenizing device arranged on one side, back to the flash lamp 10, of the lampshade 20. Optionally, the light unifying device is a diffractive optical element and/or a diffuser.

Optionally, in an embodiment, the dodging device is a Diffractive Optical Element (DOE) 30. Optionally, the DOE may be a diffraction unit formed in two-dimensional distribution by a micro-nano etching process, each diffraction unit may have a specific shape, a specific refractive index, and the like, the phase distribution of the laser wave front is finely controlled, and the laser passes through each diffraction unit to be diffracted and generate interference within a certain distance, so as to form specific light intensity distribution. Optionally, the thickness of the diffractive optical element 30 can be 0.1-0.5 mm, and optionally, the thickness of the diffractive optical element 30 can be 0.3 mm.

Alternatively, the material used to manufacture the diffractive optical element 30 is wide, the material of the diffractive optical element 30 may be glass, plastic, quartz or resin, and besides, the material of the diffractive optical element 30 may be an infrared material such as gem, ZnSe, and the like.

Alternatively, the shape of the diffractive optical element 30 varies depending on the position of the diffractive optical element 30 in the smart terminal, and the shape of the diffractive optical element 30 may be made square, rectangular, circular, trapezoidal, or elliptical, or may be made irregular depending on the space in the smart terminal where the diffractive optical element 30 is placed.

Optionally, at least one of the diffractive optical elements 30 is provided in the flash assembly.

Optionally, in an embodiment, the light uniformizing device may also be a diffuser. The diffuser is arranged on one side, emitted by the light rays 11, of the flashlight lampshade 20, the light rays 11 emitted by the flashlight 10 penetrate through the lampshade 20 and then irradiate on the diffuser, and after the light rays 11 are scattered by the diffuser, the light rays 11 become more uniform, so that the light effect uniformity during dark state flashing shooting is improved. Optionally, the diffuser may be fixed by a fixing element, and may also be adjusted in position by an adjusting element, and for a specific fixing and adjusting scheme, reference may be made to other embodiments described above, and details are not described here.

Alternatively,

the diffractive optical element 30 is disposed on the side of the flashlight cover 20 from which the light 11 is emitted, and the diffractive optical element 30 can precisely control the light intensity distribution while maintaining high diffraction efficiency, so as to shape the light beam, such as homogenizing, collimating, focusing, forming a specific pattern, and the like. When taking a photograph of a dark flash, the light 11 emitted by the flash 10 is mainly concentrated in the central area, and although the light 11 is reflected by the lamp cover 20 and the side of the lamp cover 20 to be diffused, the uniformity of the four corners of the photographed picture is still low. By arranging the diffractive optical element 30 in the flashlight component, the light 11 emitted by the flashlight 10 passes through the lampshade 20 and then irradiates the diffractive optical element 30, and is processed and shaped by the diffractive optical element 30 and then dispersed to four corners of a shooting picture, so that the light efficiency uniformity during dark flashing shooting is greatly improved.

Second embodiment

This embodiment is based on the above embodiments, and the present embodiment is described by taking the dodging device as an example of a diffractive optical element. The light 11 emitted by the flash lamp 10 is emitted onto the diffractive optical element 30 through the lampshade 20, the wider the light-emitting surface of the lampshade 20 is, the higher the uniformity of lighting effects at four corners of a shot picture is, but as the width of the light-emitting surface of the lampshade 20 increases, the width of a black edge of the screen 42 increases, thereby affecting the delicacy of the appearance of the intelligent terminal. In order to ensure that the appearance of the intelligent terminal has good delicacy and reduce the thickness of the lampshade 20, the diffractive optical element 30 is arranged on one side of the light emergent surface, so that the light rays 11 emitted from the light emergent surface are shaped and dispersed, the light efficiency uniformity of a shot picture is improved, and the preset shooting effect is achieved.

Due to the fact that the diffractive optical element 30 is arranged in the flash lamp assembly, the thickness of the flash lamp assembly is increased, the length of the black edge of the screen 42 is correspondingly increased, and the appearance delicacy of the intelligent terminal is affected, so that the situation is avoided. Optionally, in an embodiment, the thickness of the lamp cover 20 is reduced, and the space in the flashlight assembly is increased to accommodate the diffractive optical element 30, so that the flashlight assembly can maintain a certain thickness even if the diffractive optical element 30 is disposed, and the thickness of the whole flashlight assembly is not changed or is only slightly increased, thereby ensuring the delicacy of the appearance of the intelligent terminal.

Optionally, the flashlight assembly may be provided with a fixing member, one end of the fixing member is provided with a first opening, the dodging device is fixed in the first opening, and the other end of the fixing member is fixed on the housing and/or the screen of the intelligent terminal.

Optionally, the diffractive optical element 30 is fixed on the housing 50 and/or the screen of the smart terminal through the fixing member. Optionally, the fixing member is shaped like an oblate cylinder, the diffractive optical element 30 is clamped in a first opening in the middle of the oblate cylinder, and a fixing portion is arranged in the circumferential direction of the fixing member and is fixedly connected with the housing 50 of the intelligent terminal.

Alternatively, the fixing portion may be a straight or curved sheet extending outward from the circumference of the fixing member, and one end of the sheet is fixed to the fixing member, and the other end of the sheet is fixed to the housing 50 of the smart terminal by gluing or other methods. Alternatively, the fixing member is provided to fix the diffractive optical element 30 to the housing 50 of the smart terminal, and may also have a rectangular parallelepiped shape, a square shape, or a truncated cone shape. Alternatively, the diffractive optical element 30 may be fixed on the screen cover 40 or the screen 42 of the smart terminal by the fixing member.

Optionally, no fixing part is required to be arranged in the flash lamp assembly, and the diffractive optical element 30 is directly adhered to the screen 42 of the intelligent terminal through high-transparency glue to be attached to the screen 42 of the intelligent terminal, so that the thickness of the flash lamp assembly is reduced. Alternatively, the diffractive optical element 30 may be directly adhered to the housing 50 of the smart terminal by a highly transparent glue.

Optionally, one diffractive optical element 30 is disposed between the screen cover 40 and the lamp housing 20, so that light emitted from the flash lamp 10 is dispersed to four corners of a photographed image after passing through the diffractive optical element 30, thereby improving uniformity of light efficiency of dark flashing photographing.

Third embodiment

This embodiment is based on all the above embodiments, the flash light assembly may further include an adjusting member, one end of the adjusting member is provided with a second opening, the light uniformizing device is fixed in the second opening, and the adjusting member is configured to adjust a distance between the light uniformizing assembly and the lamp cover. Optionally, the other end of the adjusting member is connected to a driver, and the driver is configured to adjust a distance between the light uniformizing device and the lamp cover.

Optionally, the present embodiment takes the dodging device as a diffractive optical element for explanation. The adjustment element is in the shape of an oblate cylinder, and the diffractive optical element 30 is clamped in a second opening in the middle of the oblate cylinder. Optionally, a sliding groove is formed in the housing 50 of the intelligent terminal along the light propagation direction, and one end, away from the diffractive optical element, of the adjusting piece of the flashlight assembly extends out of the sliding groove so that the driver can drive the diffractive optical element to adjust the distance between the dodging device and the lampshade. Optionally, the adjusting member is driven by a finger of a user, and the adjusting member drives the diffractive optical element 30 to slide along the light propagation direction, so as to adjust the distance between the diffractive optical element 30 and the lampshade, thereby achieving the purpose of automatically adjusting the dodging effect by the user.

Optionally, the shape of the adjusting piece can also be a cuboid shape, a square shape or a truncated cone shape. Under the driving of the adjusting piece, the diffractive optical element 30 can move between the lampshade 20 and the screen cover plate 40, and the purpose of adjusting the proportion of the four corners to the central illumination is achieved by adjusting the position of the diffractive optical element 30 between the lampshade 20 and the screen cover plate 40. When the diffractive optical element 30 gradually moves from the lamp housing 20 to the screen cover 40, the central illumination gradually decreases, and the four-corner illumination uniformity gradually increases.

Optionally, the thickness of the diffractive optical element 30 can be 0.1-0.5 mm, and optionally, the thickness of the diffractive optical element 30 can be 0.3 mm. Optionally, the gap between the diffractive optical element 30 and the light-emitting surface of the lamp cover 20 may be in a range of 0.1 to 0.3 mm. Optionally, when the distance between the diffractive optical element 30 and the light exit surface of the lamp shade 20 is 0.1mm, the central illuminance of the photographed image is strong, and the uniformity of the illuminance at four corners of the photographed image reaches 30% of the central illuminance, and when the distance between the diffractive optical element 30 and the light exit surface of the lamp shade 20 is 0.3mm, the uniformity of the illuminance at four corners of the photographed image is high, and the uniformity of the illuminance at four corners of the photographed image can reach more than 30% of the central illuminance.

Optionally, the gap between the diffractive optical element 30 and the screen cover 40 is also in a range of 0.1-0.3 mm. Optionally, when the distance between the diffractive optical element 30 and the screen cover 40 is 0.1mm, the uniformity of the illuminance at four corners of the photographed image is high, the uniformity of the illuminance at four corners of the photographed image can reach more than 30% of the central illuminance, and when the distance between the diffractive optical element 30 and the screen cover 40 is 0.3mm, the central illuminance of the photographed image is strong, and the uniformity of the illuminance at four corners of the photographed image reaches 30% of the central illuminance.

Optionally, the adjusting member may also be adjusted manually, one end of the adjusting member is connected to the diffractive optical element 30, and the other end of the adjusting member extends out through a sliding slot of the smart terminal housing 50. One end of the adjusting piece, which extends out of the sliding groove, is provided with a protruding ear, the protruding ear is exposed outside the intelligent terminal, and a user can adjust the position of the diffractive optical element 30 between the lampshade 20 and the screen cover plate 40 by shifting the protruding ear outside the intelligent terminal, so that the proportion of four corners of a shot picture to the central illumination can be adjusted.

Optionally, the driver is an electric or pneumatic driving part, optionally, the driver is composed of a motor or a combination of a motor and a driving part, the intelligent terminal is provided with an adjusting button, when a user needs to adjust the illumination of a shot picture, the adjusting button is slid, the intelligent terminal receives an adjusting instruction to control the driver to drive the adjusting part, and the adjusting part drives the diffractive optical element 30 to move between the lampshade 20 and the screen cover plate 40. Alternatively, when the driver is an electric or pneumatic driver, the housing 50 of the smart terminal may not have a sliding slot for the adjusting member to protrude from the end away from the diffractive optical element. Optionally, a manual switch electrically connected to the electric or pneumatic driver may be disposed on the housing 50 of the smart terminal, and the manual switch is used for a user to manually start or stop the driver, so as to control the driver to adjust the position of the diffractive optical element 30.

Fourth embodiment

This embodiment is based on all the above embodiments, and the lampshade 20 includes at least one of the following:

the lampshade is a Fresnel lens;

a thread structure is arranged on one side of the lampshade facing the flash lamp;

the area of the light inlet surface of the lampshade is larger than that of the light outlet surface of the lampshade.

Optionally, the surface of the fresnel lens provided with the thread 21 is a light incident surface. When light 11 that flash light 10 sent shines to fresnel lens's income plain noodles, because fresnel lens's helicitic texture, light 11 is in refraction and reflection are gone up to the income plain noodles, make light 11 obtains the diffusion by a wide margin, and light 11 after the diffusion is through the reflection of fresnel lens side is by fresnel lens's play plain noodles jets out, light 11 warp fresnel lens has carried out the diffusion, has increased flash light 10's irradiation area, has also promoted the light efficiency homogeneity of taking the picture four corners simultaneously.

Optionally, the area of the light incident surface of the fresnel lens is larger than the area of the light emergent surface of the fresnel lens. The larger area of the light incident surface makes the fresnel lens receive more light rays 11 from the flash lamp 10, so as to increase the brightness of the shot picture, and the smaller the light emergent surface of the fresnel lens is, the smaller the black edge of the screen 40 is, so as to ensure the fineness of the light emergent surface of the fresnel lens, the smaller the light emergent surface of the fresnel lens is. Therefore, the light incident surface of the Fresnel lens is larger, the light emergent surface of the Fresnel lens is smaller, and the area of the light incident surface of the Fresnel lens is larger than that of the light emergent surface of the Fresnel lens.

Optionally, the flash assembly is provided with at least two flashes, which may be arranged side by side.

Optionally, at least one flash lamp assembly may be disposed in the smart terminal to increase the intensity of light for photographing.

In conclusion, the flash lamp assembly provided by the application comprises a flash lamp, a lamp shade arranged on the light emitting side of the flash lamp, and a light homogenizing device arranged on one side of the flash lamp, wherein the lamp shade faces away from the lamp shade. The flash lamp assembly is provided with the dodging device, so that light emitted by the flash lamp passes through the dodging device and then is scattered to four corners of a shot picture, the light effect uniformity of dark flashing shooting is improved, the tolerance of the matching tolerance of the flash lamp assembly is correspondingly improved, and the problem of bright lines and dark lines in light spots is solved.

Fifth embodiment

Referring to fig. 2 to 5, based on the above embodiments, the smart terminal may include at least one flash assembly in the above embodiments. Optionally, the intelligent terminal may further include a screen and/or a housing, the screen and/or the housing being provided with a window, and the light emitted by the flash lamp assembly being emitted through the window. Optionally, a light homogenizing device in the flash lamp assembly is arranged to be attached to the screen and/or the shell; or, the light homogenizing device is adhered to the screen and/or the shell through transparent glue.

Optionally, the intelligent terminal may further include a circuit board 60, the housing 50 and the screen 42 enclose an accommodating space, the circuit board 60 is disposed in the accommodating space, and the flash 10 is disposed on the circuit board 60. The screen cover plate 40 is arranged on the outer side of the screen 42 of the intelligent terminal, the screen cover plate 40 is used for protecting the screen 42 of the intelligent terminal, and it can be understood that the screen cover plate 40 separates the flash lamp assembly from the outside of the intelligent terminal and also plays a role in protecting the flash lamp assembly.

Optionally, a screen window 41 is disposed on the screen cover 40, and the light 11 is shaped by the diffractive optical element 30 and then emitted from the screen window 41. Fig. 4 is a graph showing a photographed picture without a diffractive optical element in a flash assembly and flash illuminance, curve a reflecting the distribution of the flash illuminance on the photographed picture; curve b reflects the distribution of flash illumination on the shot at a fit tolerance of 0.2 mm. As shown in fig. 4, the diffractive optical element 30 is not disposed in the flash lamp assembly, when the fitting tolerance between the screen cover 40, the lamp cover 20 and the flash lamp 10 is-0.2 mm to 0.2mm, the ratio of the uniformity of the illumination of 0.7 field of view at four corners of the shot picture to 10% to 30% of the central illumination is not reached, and when the shot picture is shot in a dark flashing mode, the four corners of the shot picture are dark, and meanwhile, the problem that bright lines and dark lines exist in light spots can also occur.

FIG. 5 is a graph showing a photographic picture and flash illuminance after a diffractive optical element is provided in a flash assembly, curve a reflecting the distribution of flash illuminance on the photographic picture; curve b reflects the distribution of flash illumination on the shot at a fit tolerance of 0.2 mm. As shown in fig. 5, the diffractive optical element 30 is disposed in the flash lamp assembly, when the fit tolerance between the screen cover plate 40, the lamp cover 20 and the flash lamp 10 is-0.2 mm, the uniformity of the illuminance of the four corners of the shot picture in the 0.7 view field reaches 30% or more of the central illuminance, when the shot picture is taken in a dark flash mode, the brightness and the uniformity of the light efficiency of the four corners of the shot picture are effectively improved, the shooting effect when the shot picture is taken in a dark flash mode is improved, and the problem that bright lines and dark lines appear in light spots is solved. While the tolerance of the fit tolerance of the diffractive optical element 30 is higher, i.e. a larger fit tolerance is allowed, the provision of the diffractive optical element 30 in the flash assembly also increases the tolerance of the fit tolerance of the flash assembly, allowing a larger fit tolerance of the flash assembly.

Optionally, the illuminance uniformity of the four corners of the photographed image at 0.7 field of view is different due to the difference in the position, type, and diffraction efficiency of the diffractive optical element 30, optionally, the type of the diffractive optical element 30 is a uniform light type, at this time, the illuminance uniformity of the four corners is high, the illuminance uniformity of the four corners is also high as the diffraction efficiency of the diffractive optical element 30 is higher, and the flash lamp assembly has good illuminance uniformity of the four corners of the photographed image when the diffraction efficiency of the diffractive optical element 30 reaches more than 80%.

Optionally, the proportion of the four corners to the central illuminance is changed by selecting different types of diffractive optical elements 30, and the proportion of the four corners illuminance to the central illuminance is set to be 30% or more, so that the light efficiency uniformity of the four corners of the shot picture is greatly improved. The proper diffractive optical element 30 is selected according to the proportion of the four corners of the shot picture to the central illumination as required, so that the user can select the favorite shooting intensity, the practicability is high, and the good experience and feeling of the user are increased.

Optionally, the present application further provides an intelligent terminal, which includes a housing 50, a circuit board 60, a camera assembly, a flashlight assembly and a processor, wherein the flashlight assembly is the flashlight assembly described in the above embodiments.

Optionally, the camera assembly and the flash assembly, the processor, the camera assembly and the flash assembly are all mounted on the circuit board 60, the circuit board 60 is fixed on the casing 50, and the processor controls the camera assembly to shoot and controls the flash assembly to supplement light for shooting scenes. Optionally, the controller may be a single chip microcomputer, a microprocessor, or the like, and the controller may be configured to control the flash lamp assembly and the camera assembly to cooperatively operate, so as to obtain a shot image with a four-corner 0.7 field illumination uniformity of 30% or more of the central illumination. The housing 50 is used to fix the flashlight assembly and the circuit board 60.

Optionally, when the processor receives a shooting instruction input by a user through an input unit of the intelligent terminal, the processor starts a camera of the camera assembly, and the camera detects and provides the ambient brightness preview. When the shooting confirmation instruction of the user is received, if the shooting confirmation instruction input by the user through a shooting button of the intelligent terminal is received, the processor controls the flash lamp component to carry out pre-flashing so as to obtain the AE parameters required by the main flashing. And controlling the flash lamp component to carry out main flash and shooting by the camera according to the acquired AE parameters so as to acquire a shooting picture.

In the embodiments of the intelligent terminal provided in the present application, all technical features of any one of the embodiments of the flash assembly may be included, and/or all technical features of the intelligent terminal in the embodiments described above may be included, and the expanding and explaining contents of the specification are substantially the same as those of the embodiments described above, and are not described herein again.

It is to be understood that the foregoing scenarios are only examples, and do not constitute a limitation on application scenarios of the technical solutions provided in the embodiments of the present application, and the technical solutions of the present application may also be applied to other scenarios. For example, as can be known by those skilled in the art, with the evolution of system architecture and the emergence of new service scenarios, the technical solution provided in the embodiments of the present application is also applicable to similar technical problems.

The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.

The steps in the method of the embodiment of the application can be sequentially adjusted, combined and deleted according to actual needs.

The units in the device in the embodiment of the application can be merged, divided and deleted according to actual needs.

In the present application, the same or similar term concepts, technical solutions and/or application scenario descriptions will be generally described only in detail at the first occurrence, and when the description is repeated later, the detailed description will not be repeated in general for brevity, and when understanding the technical solutions and the like of the present application, reference may be made to the related detailed description before the description for the same or similar term concepts, technical solutions and/or application scenario descriptions and the like which are not described in detail later.

In the present application, each embodiment is described with emphasis, and reference may be made to the description of other embodiments for parts that are not described or illustrated in any embodiment.

All possible combinations of the technical features in the embodiments are not described in the present application for the sake of brevity, but should be considered as the scope of the present application as long as there is no contradiction between the combinations of the technical features.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims (10)

1. The flash lamp component is characterized by comprising a flash lamp, a lamp shade arranged on the light emitting side of the flash lamp, and a light homogenizing device arranged on one side of the lamp shade, which faces away from the flash lamp.

2. A flash assembly as claimed in claim 1 wherein the light unifying device is a diffractive optical element and/or a diffuser.

3. The flash lamp assembly of claim 1, wherein the flash lamp assembly is provided with a fixing member for fixing the light unifying device on a housing and/or a screen of the smart terminal.

4. The flash lamp assembly according to claim 3, wherein one end of the fixing member is provided with a first opening, the light uniformizing device is fixed in the first opening, and the other end of the fixing member is fixed on a housing and/or a screen of the intelligent terminal.

5. A strobe assembly as claimed in claim 1 further provided with an adjustment member having a second opening at one end in which the light unifying device is secured, the adjustment member being for adjusting the distance between the light unifying device and the lamp cover.

6. The flash assembly of claim 5 wherein the other end of the adjusting member is connected to a driver for adjusting a distance between the light unifying device and the lamp cover.

7. The flash assembly of any one of claims 1 to 6, comprising at least one of:

the lampshade is a Fresnel lens;

a thread structure is arranged on one side of the lampshade facing the flash lamp;

the area of the light inlet surface of the lampshade is larger than that of the light outlet surface of the lampshade.

8. An intelligent terminal, characterized in that it comprises a flash assembly according to any one of claims 1 to 7.

9. The intelligent terminal according to claim 8, wherein the intelligent terminal further comprises a screen and/or a housing, wherein the screen and/or the housing is provided with a window, and the light emitted by the flash assembly is emitted through the window.

10. The intelligent terminal according to claim 9, wherein the dodging device in the flash lamp assembly is arranged to fit the screen and/or the housing; or the dodging device is adhered to the screen and/or the shell through transparent glue.

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