CN209044429U - A kind of equipment - Google Patents

Abstract

The utility model discloses a device, comprising a display module and a function module. The function module is used to realize an object recognition function, and the function module can transmit an object recognition signal to a target object, and through the display module The module receives the object identification signal that is at least partially reflected by the target object, the functional module includes a signal transmitter, the signal transmitter includes a light source and a diffractive optical element, and the light source emits infrared through the diffractive optical element. Structured light and/or flood light as object recognition signals. The device of the utility model arranges the components of some functional modules in the display area, which can reduce the area of the non-display area, so that the device looks more beautiful and the user experience is better.

Description

a device

technical field

The utility model relates to the technical field of three-dimensional image sensing, in particular to a device with better user experience.

Background technique

With the advancement of technology and the improvement of people's living standards, devices represented by mobile phones, tablet computers, smart watches, etc. have gradually become an indispensable part of people's lives. At present, the device has the development trend of thin and light and large screen. Due to the fact that components such as the front camera need to occupy a part of the non-display area in the existing devices, there are devices commonly known as "Liu Haiping" on the market. This non-display area design affects the aesthetics of the device to a certain extent. Moreover, with the gradual popularity of functions such as face recognition, the corresponding object recognition components also need to occupy a part of the non-display area on the front panel of the device. However, many components occupy a larger part of the non-display area, so that the existing device is not aesthetically pleasing to the user, and the user experience is poor.

Utility model content

The purpose of the present invention is to provide a device with better user experience.

One aspect of the present utility model discloses a device, comprising a display module and a function module, the function module is used for realizing an object recognition function, the function module can transmit an object identification signal to a target object, and transmits an object identification signal to a target object through The display module receives the object identification signal at least partially reflected by the target object, the functional module includes a signal transmitter, the signal transmitter includes a light source and a diffractive optical element, the light source passes through the diffractive optical element Infrared structured light and/or flood light are emitted as object recognition signals.

Further, the device can obtain the depth information of the target object through the object recognition signal, which can be used for 3D information recognition of the target object.

Further, the display module includes a display screen located in the first area of the device, the signal transmitter is located in the second area of the device, and the functional module further includes a signal located in the first area of the device receiver.

Further, it also includes a main body, the display module and the functional module are at least partially arranged on the main body, the signal receiver and the signal transmitter are both arranged in the main body, wherein the signal receiving The device is arranged close to the display module, or is arranged at a distance from the display module.

Further, the diffractive optical element can split and expand the light beam emitted by the light source into a plurality of light beams as the object identification signal, and the object identification signal includes irregular lattice, grid, stripe, or coded. one or more.

Further, the diffractive optical element expands the light beam emitted by the light source into a plurality of infrared floodlights substantially covering and filling the illuminated space.

Further, the distance between the signal transmitter and the signal receiver is 1mm-200mm.

Further, the signal transmitter includes a VCSEL or an array thereof.

Further, the first area is an area on the front of the device used for display, and the second area is a part of the front of the device excluding the first area.

Further, the functional module further includes a front camera for static or dynamic shooting, and the front camera is arranged in the second area.

Further, the functional module further includes one or more of a speaker, a microphone, an ambient light sensor or a flood light emitter.

Further, the device is one of a smart phone, a tablet computer, a smart watch, an augmented reality/virtual reality device, an autonomous vehicle or an intelligent robot.

Compared with the prior art, the device of the present invention realizes the object recognition function, such as face recognition, by partially receiving the object recognition signal reflected by the object in the display area. The device of the utility model arranges the components of some functional modules in the display area, which can reduce the area of the non-display area, so that the device looks more beautiful and the user experience is better.

Description of drawings

1-4 are schematic diagrams of an embodiment of the device of the present invention;

5 is a schematic diagram of another embodiment of the device of the present invention;

6 is a schematic diagram of another embodiment of the device of the present invention;

7 is a schematic diagram of another embodiment of the device of the present invention;

FIG. 8 is a schematic diagram of another embodiment of the apparatus of the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIGS. 1 and 2 , in one embodiment of the present invention, the device 10 includes a main body 11 , a display module 12 and a function module 13 at least partially disposed on the main body 11 . The display module 12 can be used for displaying images or receiving user operation instructions. The function module 13 can be used to realize the object recognition function. The function module 13 can transmit an object identification signal to an external target object, and receive the object identification signal at least partially reflected by the target object through the display module 12 .

In this embodiment, the device 10 can obtain the three-dimensional (3D) depth information of the object through the object recognition signal, which can be used for 3D information recognition of the object, such as 3D face recognition or 3D object recognition. In other or modified embodiments of the present invention, the device may also obtain the 2D information of the object through the object identification signal, and perform identification. In this embodiment, the function module 13 can also be used for still picture or dynamic video shooting.

The display module 12 includes a display screen located in the first area of the device 10 , and the function module 13 includes a front camera 14 and a signal transmitter 15 located in the second area of the device 10 . The first and second areas constitute the front of the device 10, which can be read and manipulated by a user. The functional module 13 further includes a signal receiver 16 located in the first area. The signal transmitter 15 transmits an object identification signal to a target object, such as a human face. The signal receiver 16 receives the object identification signal reflected at least in part from the target object. In this embodiment, the first area is the area used for display on the front of the device 10 , that is, the area corresponding to the display screen, which may be referred to as the “display area”; the second area is the area except the front of the main body 11 . The part of the first area may be referred to as a "non-display area". In this embodiment, the second area is at least partially located in the top middle of the front surface of the main body 11 . The front camera 14 can be used for still pictures or dynamic video shooting.

As shown in FIG. 2 , the object recognition signal is transmitted from the signal transmitter 15 to the human face, is reflected by the human face, passes through the display module 12 and reaches the signal receiver 16 and is received by the signal Receiver 16 receives.

In this embodiment, the signal transmitter 15 is an infrared light transmitter, and the signal receiver 16 is an infrared light receiver. The object identification signal is an infrared light signal, eg infrared light with a wavelength of 800 nm to 1000 nm, especially 850 nm or 940 nm. The display module 12 has a certain light transmittance, and the infrared light can be received and recognized by the signal receiver 16 after passing through the display module 12 . In other or modified embodiments of the present invention, the object identification signal may also be a light wave, an electromagnetic wave signal, a sound wave or an ultrasonic wave signal, and the like.

In the embodiment or some modified embodiments, the signal transmitter 15 includes a light source and a diffractive optical element (DOE, Diffraction Optical Element). The light source can increase the infrared beam, the light source can be a VCSEL (Vertical Cavity Surface Emitting Laser), and the light source emits infrared structured light and/or flood light as an object recognition signal through a diffractive optical element. The diffractive optical element can split and expand the light beam emitted by the light source into a plurality of light beams as the object identification signal. Object identification signals such as, but not limited to, patterned beams. The patterned light beams are, for example, in irregular lattice, grid, stripe, or coded patterns. The diffractive optical element can also expand the light beam emitted by the light source into a plurality of infrared floodlights that basically cover and fill the irradiated space, and the light intensity distribution in each area of the irradiated space is basically uniform.

In other embodiments of the present invention, the light source of the signal transmitter 15 may be a VCSEL array composed of a plurality of VCSEL light sources arranged irregularly. The signal transmitter 15 also includes a lens group disposed between the light source and the diffractive optical element, the lens group can be used for converging or diverging the light beam emitted by the light source, and the diffractive optical element further expands the light beam passing through the lens group , which generates structured or flood light with a speckle pattern.

In this embodiment, the signal receiver 16 is disposed in the main body 11 and is disposed adjacent to one side of the display module 12 . For example, the signal receiver 16 is disposed close to the bottom surface of the display module 12 . The signal transmitter 15 and the front camera 14 are arranged in the main body 11 . Of course, alternatively, the signal receiver 16 and the display module 12 can also be arranged at intervals, and it is also possible that the object identification signal can pass through the display module 12 and be incident on the signal receiver 16 .

The display module 12 includes a substrate and pixel electrodes arranged on the substrate, and the signal receiver 16 is arranged below the substrate of the display module 12 .

In this embodiment, the device 10 has a substantially cubic shape. The display screen of the display module 12 is a touch control display screen, an OLED screen, an AMOLED screen, and the like.

In this embodiment, the object identification signal may be a 3D spatial structured light or a 3D temporal structured light (for example, using TOF technology) signal. In other or modified embodiments of the present invention, the functional module 13 may further include a speaker, a microphone, an ambient light sensor, a flood light emitter, and the like. The device 10 may be a smartphone, a tablet computer, a smart watch, or the like.

Referring to FIG. 3 , the signal receiver 16 includes a sensor 161 and a lens 162 . Infrared light strikes the lens 162 and is condensed onto the sensor 161 . Referring to FIG. 4 , in this embodiment, the distance between the signal transmitter 15 and the signal receiver 16 is D, and its size is 1mm-200mm.

In other embodiments of the present invention, the signal transmitter and the signal receiver may be arranged at different positions in the first area and the second area, respectively. For example, the signal transmitter may be arranged above or below the front camera, or may be arranged at The front camera is positioned on the left or right side, or both, at an angle relative to the edge of the device. The signal receiver can be set at any position in the first area. The positions of the first area and the second area may also have different settings, for example, the second area may be located at least partially at any position on the front of the main body, the first area is an area for display, and the second area is all The front side is excluding a portion of the first region.

Referring to FIG. 5 , a device 20 according to another embodiment of the present invention includes a main body 21 , a display module 22 and a function module 23 disposed on the main body 21 . The display module 22 can be used for displaying images or receiving user operation instructions. The function module 23 can be used to realize the object recognition function. The function module 23 can transmit an object identification signal to an external target object, and receive the object identification signal at least partially reflected by the target object through the display module 22 .

The display module 22 includes a display screen arranged in a first area on the front of the device 20 , and the function module 13 includes a front camera 24 and a signal transmitter 25 arranged in a second area on the front of the device 20 . . The functional module 23 further includes a signal receiver 26 disposed in the display module 22 . The signal transmitter 25 transmits an object identification signal to a target object, such as a human face. The signal receiver 26 receives the object identification signal reflected at least in part from the target object. The object identification signal is transmitted from the signal transmitter 25 to the human face, is reflected by the human face, passes through the display module 22 and reaches the signal receiver 26 and is received by the signal receiver 26 . In this embodiment, the signal receiver 26 is disposed on a side of the display module 22 adjacent to the main body 21 . The signal receiver 26 is disposed close to the bottom surface of the display module 22 or disposed at a distance from the display module 22 .

Please refer to FIG. 6 , in another embodiment of the present invention, the device 30 includes a display module 32 and a function module 33 , the display module 32 is located in the display area on the front of the device 30 , and the function module 33 is located in a non-display area of the front of the device 30 , the non-display area is at least partially located in the lower middle of the front of the device 30 .

In other embodiments of the present invention, the non-display area may also be set at other positions on the front of the device as required, for example, on the left, right or middle of the front of the device.

In this embodiment, the device 30 may be a smart phone, a tablet computer, a smart watch, an augmented reality/virtual reality (AR/VR) device, an autonomous vehicle, or an intelligent robot, or the like.

Referring to FIG. 7 , in another embodiment of the present invention, the device includes a signal receiver 410 , and the signal receiver 410 receives an object identification signal through an element 420 . The device also includes a signal transmitter 430 by which the object identification signal is transmitted to the target object and reflected, then passes through the element and is received by the signal receiver. In this embodiment, the object identification signal is infrared light. The object recognition signal is used to recognize the characteristics of the object, for example, the object recognition signal can be 3D structured light, which can be used to recognize human faces or other objects. The element is an infrared penetrating element, in particular, a display screen that can penetrate infrared light. In this embodiment, the display screen is an OLED or AMOLED display screen, and the signal transmitter 430 includes a VCSEL.

Compared with the prior art, the device of the present invention realizes the object recognition function, such as face recognition, by partially receiving the object recognition signal reflected by the object in the display area. The device of the utility model arranges the components of some functional modules in the display area, which can reduce the area of the non-display area, so that the device looks more beautiful and the user experience is better.

In addition to the devices described in the above embodiments, the 3D sensing technology involved in the present application can also be applied to other suitable types of devices, such as but not limited to smart homes, in-vehicle electronic products, financial terminals, and robots.

In addition, alternatively, in some embodiments, the signal transmitter may be omitted, and the signal receiver receives the object identification signal for identifying the characteristics of the object through an element. For example, it is also possible for the signal receiver to receive ambient light. The element is, for example, a light-transmitting display screen, such as an OLED display screen, or a Mini-LED or Micro-LED display screen.

Furthermore, the signal transmitters of the above-mentioned embodiments can also be arranged in the display area, for example, on the backside or inside of the display screen.

Referring to FIG. 8 , in another embodiment of the present invention, the device 50 includes a display screen 52 , a front camera 53 , a signal transmitter 55 and a signal receiver 56 . The signal transmitter 55 and the signal receiver 56 are provided in the device 50 . In this embodiment, the signal transmitter 55 and the signal receiver 56 are disposed on the back of the display screen 52 , close to or spaced from the display screen 52 . In other embodiments, the signal transmitter 55 and the signal receiver 56 are disposed inside the display screen 52 .

The device 50 includes a front surface for the user to read and operate, the display screen 52 occupies a display area of the front surface, and the part of the front surface other than the display area is a non-display area. The front camera 53 is located in the non-display area of the front of the device 50 .

The display screen 52 can be used to display images, and the front camera 53 can receive external visible light imaging. The signal transmitter 55 can be used to transmit an object identification signal through the display screen 52 , and the signal receiver 56 can be used to receive the object identification signal reflected by the target object through the display screen 52 . By recognizing the received object identification signal, the device 50 can obtain three-dimensional depth information of the target object, thereby realizing 3D detection and/or identification of the target object.

In other or modified embodiments of the present invention, the signal transmitter 55 or the signal receiver 56 may also have the following settings: the signal transmitter 55 and the signal receiver 56 are located in the non-display area; the signal transmitter 55 is located in the non-display area, and the signal receiver 56 is located in the display area; the signal transmitter 55 is located in the display area, and the signal receiver 56 is located in the non-display area.

"Length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "lower", The orientation or positional relationship indicated by "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating Or imply that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention. The terms used in the claims should not be construed to limit the utility model to the specific embodiments disclosed in this specification. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (12)

1. a kind of equipment, which is characterized in that including display module and functional module group, the functional module group is for realizing Object identifying Function, the functional module group can emit Object identifying signal to target object, and receive at least portion through the display module Divide the Object identifying signal reflected by the target object, the functional module group includes signal projector, the signal hair Emitter includes light source and diffraction optical element, and the light source emits infrared structure light and/or floodlight by diffraction optical element As Object identifying signal.

2. equipment according to claim 1, which is characterized in that the equipment can be obtained by the Object identifying signal The depth information of target object can be used for the 3D information identification of target object.

3. equipment according to claim 1, which is characterized in that the display module includes being located at the equipment first area Display screen, the signal projector is located at the second area of the equipment, and the functional module group further includes being located at the equipment The signal receiver of first area.

4. equipment according to claim 3, which is characterized in that further include main body, the display module and functional module group are extremely Small part is arranged on the body, and the signal receiver and the signal projector are arranged in the main body, wherein The signal receiver is close to the display module setting, or is arranged with the display module interval.

5. equipment according to claim 1, which is characterized in that the light beam that the diffraction optical element can emit light source It is split and is extended to multiple light beams as Object identifying signal, the Object identifying signal includes in irregular dot matrix, grid One of formula, striped formula or coding type are a variety of.

6. equipment according to claim 1, which is characterized in that the beam spread that the diffraction optical element emits light source The infrared floodlight in illuminated space is filled at multiple basic coverings.

7. equipment according to claim 3, which is characterized in that the spacing of the signal projector and the signal receiver From for 1mm-200mm.

8. equipment according to claim 5, which is characterized in that the signal projector includes VCSEL or its array.

9. equipment according to claim 3, which is characterized in that the first area is the front of the equipment for showing Region, the second area be the equipment front except the first area part.

10. equipment according to claim 3, which is characterized in that the functional module group further includes for either statically or dynamically clapping The front camera taken the photograph, the front camera are arranged in second area.

11. equipment according to claim 3, which is characterized in that the functional module group further includes loudspeaker, microphone, ring One or more of border optical sensor or floodlight transmitter.

12. -11 any equipment according to claim 1, which is characterized in that the equipment be smart phone, tablet computer, One of smartwatch, augmented reality/virtual reality device, autonomous driving vehicle or intelligent robot.