CN215499050U - Display device and electronic equipment with 3D module of making a video recording - Google Patents

Abstract

The utility model provides a display device with a 3D camera module and electronic equipment, comprising a display substrate; the display substrate comprises a display area and a black matrix area surrounding the display area; the black matrix region includes a plurality of light transmissive regions; the depth camera module is positioned at the lower side of the black matrix area; degree of depth module of making a video recording includes: the laser module is used for emitting laser so that the laser irradiates an object to be shot through the light-transmitting area; an imaging module: the first imaging module is used for obtaining a first depth image according to the light spot pattern received by the light-transmitting area; and the second imaging module is used for obtaining a second depth image through the laser received by the light transmission area and according to the time delay or the phase difference of the received laser. According to the utility model, the depth camera module is arranged at the lower side of the black matrix area of the display substrate, and a non-display area, namely a sea area, is not required to be arranged at the top of the display device, so that the depth camera module is arranged, and the attractiveness and the overall screen experience of the display device are not influenced.

Description

Display device and electronic equipment with 3D module of making a video recording

Technical Field

The utility model relates to the technical field of display, in particular to a display device with a 3D camera module and electronic equipment.

Background

With the development of the market, the requirements of consumers on the display effect of the display screen are more and more stringent, and the requirements are not only on diversified appearance designs, but also on the requirement that the screen ratio is higher and better. The full screen technology realizes the screen occupation ratio of more than 90 percent by the design of an ultra-narrow frame or even no frame.

The mobile phone with the comprehensive screen realizes the maximization of the display area under the condition that the mobile phone body is not changed, so that the display effect is more brilliant. Present structural design based on full face screen, in order to install devices such as the degree of depth camera module among the 3D camera module, set up the non-display area at display substrate's top, bang district promptly, however, still can influence display device's pleasing to the eye and the experience of full face screen like this.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a display device and an electronic device with a 3D camera module, so as to solve the problem that the non-display area of the existing installation depth camera module affects the beauty and the overall screen experience of the display device.

In order to achieve the purpose, the utility model provides the following technical scheme:

the display device with the 3D camera module comprises a display substrate and the 3D camera module;

the display substrate comprises a display area and a black matrix area surrounding the display area; the black matrix region includes a first light-transmitting region, a second light-transmitting region and a third light-transmitting region;

the 3D camera module comprises a depth camera module positioned on the lower side of the black matrix area;

the depth camera module comprises a laser module and an imaging module;

the laser module is used for emitting laser so that the laser can irradiate an object to be shot through the first light-transmitting area;

the imaging module comprises a first imaging module and a second imaging module;

the first imaging module is used for obtaining a first depth image of the surface of the object to be shot according to the light spot pattern which is received through the second light-transmitting area and reflected by the object to be shot;

the second imaging module is used for receiving the laser reflected by the object to be shot through the third light transmission area and obtaining a second depth image of the surface of the object to be shot according to the delay or phase difference of the received laser reflected by the object to be shot.

Preferably, the first light transmission area is provided with a first infrared film layer, the second light transmission area is provided with a second infrared film layer, and the third light transmission area is provided with a third infrared film layer;

the laser module is used for emitting infrared laser so that the infrared laser irradiates an object to be shot through the first infrared film layer and the first light-transmitting area;

the first imaging module adopts an infrared camera and is used for receiving a light spot pattern formed by infrared laser reflected by the object to be shot through a second infrared film layer and a second light transmission area and obtaining a first depth image of the surface of the object to be shot according to the light spot pattern;

the second imaging module adopts an infrared camera and is used for receiving the infrared laser reflected by the object to be shot through a third infrared film layer and a third light transmission area and obtaining a depth image of the surface of the object to be shot according to the infrared laser.

Preferably, the depth camera module comprises a light splitter and a projection lens, wherein the light splitter and the projection lens are positioned between the laser module and the display substrate;

the light splitting device is used for splitting the laser emitted by the laser module into a plurality of beams of laser which are randomly distributed;

the projection lens is used for converging the laser beams on the display substrate and then projecting the laser beams to the object to be shot.

Preferably, the depth camera module comprises a collimating lens, a reflecting device, a beam splitter and a projection lens, which are located between the laser module and the display substrate;

the collimating lens is used for collimating the incident laser and emitting a collimated light beam;

the reflecting device is used for reflecting the collimated light beam and projecting the collimated light beam to the light splitting device;

the light splitting device is used for splitting the collimated light beam projected by the reflecting device into a plurality of laser beams which are distributed randomly;

the projection lens is used for converging the laser beams on the display substrate and then projecting the laser beams to the object to be shot.

Preferably, the depth camera module comprises a driving circuit connected with the laser module and the imaging module;

the driving circuit is used for controlling the laser module and the imaging module to be simultaneously turned on or turned off, and controlling the output light power of the laser module by controlling the driving current of the laser module.

Preferably, the depth camera module comprises a processing module; the 3D camera module further comprises a 2D imaging module;

the 2D imaging module is used for shooting a 2D image of the object to be shot;

the processing module is used for obtaining a 3D image of the object to be shot according to the first depth image or the second depth image and the 2D image.

Preferably, the light inlets of the first imaging module and the second imaging module are disposed toward the display panel, so that laser light reflected by an object to be photographed enters the first imaging module and the second imaging module after penetrating through the display panel.

Preferably, a diffusion sheet is arranged between the light splitting device and the projection lens;

and the diffusion sheet is used for diffusing the laser and enabling the laser to be subjected to floodlight emergence.

Preferably, the laser module comprises any one of the following lasers:

-an array of vertical cavity surface emitting lasers;

-an edge-emitting laser;

-a semiconductor laser.

The electronic equipment provided by the utility model is characterized by comprising the display device.

Compared with the prior art, the utility model has the following beneficial effects:

according to the display device and the electronic equipment with the 3D camera module, the depth camera module is arranged on the lower side of the black matrix area of the display substrate, so that a non-display area, namely a sea area, does not need to be arranged on the top of the display device, the depth camera module is installed, and the attractiveness and the comprehensive screen experience of the display device cannot be influenced;

according to the utility model, the depth image of the object to be shot is acquired through the first imaging module in a short distance and the depth image of the object to be shot is acquired through the second imaging module in a long distance, so that the characteristics of structural light and tof imaging can be comprehensively utilized, and the accurate acquisition of the depth image of the object to be shot is realized;

according to the utility model, the infrared film layer is arranged in the light-transmitting area of the black matrix area, the infrared film layer can transmit infrared light so as not to influence the work of the depth camera module, but visible light cannot pass through the infrared film layer, so that the integrity of the black matrix area is ensured, and the attractiveness of a display screen is not influenced;

according to the utility model, the projection lens is used for converging a plurality of randomly distributed lasers into the plurality of lasers on the display substrate and then projecting the plurality of lasers to the object to be shot, so that the installation space of the laser module is reduced, and the application of the laser module on a narrow-frame screen (a screen with a narrow black matrix area) is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a display device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another display device according to an embodiment of the utility model;

FIG. 3 is a schematic view of an installation of a laser module in an embodiment of the utility model;

FIG. 4 is another schematic illustration of an installation of a laser module in an embodiment of the utility model;

FIG. 5 is a schematic diagram of a VCSEL laser based display device according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a display device based on an EEL laser according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a display device according to a first embodiment of the utility model;

fig. 8 is a schematic structural diagram of a display device according to a second embodiment of the present invention;

FIG. 9 is a spot diagram of multiple lasers according to an embodiment of the present invention.

In the figure:

10 is a display substrate; 11 is a first imaging module; 12 is a second imaging module; 13 is a light splitting device; 14 is a driving circuit; 15 is a processing module; 16 is a projection lens; 17 is a reflecting device; 18 is a collimating lens; 19 is a laser module; 20 is a black matrix region; 30 is a display area; 40 is an inner screen.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the utility model. All falling within the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The connection may be for fixation or for circuit connection.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be in any way limiting of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Just as the background art states, the structural design based on the whole screen now, in order to install devices such as the degree of depth camera module among the 3D camera module, set up non-display area promptly bang district at the top of display substrates, however, can influence display device's pleasing to the eye and comprehensive screen experience like this.

The utility model discloses people's research discovers, current degree of depth camera module group all adopts Vertical Cavity Surface Emitting Laser (VCSEL) as the light source, however, because the output optical power of VCSEL Laser is lower, when display substrate's transmissivity is lower, the optical power of Laser after a light transmission area is lower, can not obtain effective depth image, consequently, need set up non-display area promptly the Liuhai district at display substrate's top, and dig the hole and install the VCSEL Laser to non-display area.

Based on this, the utility model provides a display device with a 3D camera module to overcome the above problems in the prior art, comprising a display substrate and a 3D camera module;

the display substrate comprises a display area and a black matrix area surrounding the display area; the black matrix region includes a first light-transmitting region, a second light-transmitting region and a third light-transmitting region;

the 3D camera module comprises a depth camera module positioned on the lower side of the black matrix area;

the depth camera module comprises a laser module and an imaging module;

the laser module is used for emitting laser so that the laser can irradiate an object to be shot through the first light-transmitting area;

the imaging module comprises a first imaging module and a second imaging module;

the first imaging module is used for obtaining a first depth image of the surface of the object to be shot according to the light spot pattern which is received through the second light-transmitting area and reflected by the object to be shot;

the second imaging module is used for receiving the laser reflected by the object to be shot through the third light transmission area and obtaining a second depth image of the surface of the object to be shot according to the delay or phase difference of the received laser reflected by the object to be shot.

According to the display device and the electronic equipment with the 3D camera module, the depth camera module is arranged on the lower side of the black matrix area of the display substrate, so that a non-display area such as a sea area does not need to be arranged on the top of the display device for installing the depth camera module, and the attractiveness and the comprehensive screen experience of the display device cannot be influenced.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the above is the core idea of the present invention, and the above objects, features and advantages of the present invention can be more clearly understood. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An embodiment of the present invention provides a display device with a 3D camera module, as shown in fig. 1, including a display substrate 10 and a 3D camera module, where the 3D camera module includes a depth camera module located on a backlight side of the display substrate 10. It should be noted that the depth camera module in the embodiment of the present invention is an infrared camera module, and the laser module employs an infrared laser that emits infrared laser. The laser module adopts a vertical cavity surface emitting laser, an edge emitting laser and a semiconductor laser.

The light-emitting side of the display substrate 10 is a side capable of displaying an image, and the backlight side is a side incapable of displaying an image. That is to say, the depth camera module in the embodiment of the present invention may be located below the display substrate 10, that is, may be disposed below the screen, without destroying the structure of the display substrate 10, for example, without digging a hole in the non-display area on the top of the display substrate 10 to dispose the depth camera module. The display substrate comprises a display area and a black matrix area surrounding the display area; the black matrix region includes a first light transmission region, a second light transmission region, and a third light transmission region. The light-transmitting area is a circular area with the diameter smaller than 1 millimeter.

In the embodiment of the present invention, the depth camera module includes a laser module 19, a first imaging module 11, and a second imaging module 12. The laser module 19, the first imaging module 11, and the second imaging module 12 are all located on the backlight side of the display substrate 10, and a light outlet of the laser module 19 is disposed toward the display substrate 10, so that laser can irradiate an object to be photographed on the light outlet side of the display substrate 10 through the first light transmission region 10, a light inlet of the first imaging module 11 is disposed toward the display substrate 10, so that laser reflected by the object to be photographed enters the first imaging module 11 after passing through the second light transmission region, and a light inlet of the second imaging module 12 is disposed toward the display substrate 10, so that laser reflected by the object to be photographed enters the second imaging module 12 after passing through the third light transmission region.

The laser module 19 is configured to emit laser light, so that the laser light passes through the first light-transmitting area and then irradiates an object to be photographed; the first imaging module 11 is configured to receive laser light that passes through the second light-transmitting area after being reflected by the object to be photographed, and obtain a first depth image of the surface of the object to be photographed according to a light spot pattern formed by the laser light, where the first depth image includes depth information of different areas of the surface of the object to be photographed; the second imaging module 12 is configured to receive laser light that passes through the third light-transmitting area after being reflected by the object to be photographed, and obtain a depth image of the surface of the object to be photographed according to the laser delay or the phase difference, where the second depth image includes depth information of different areas of the surface of the object to be photographed.

Because laser instrument module and imaging module set up the downside in the black matrix region to need not set up the non-display area at display device's top and install the degree of depth module of making a video recording, and then can not influence display device's pleasing to the eye and comprehensive screen experience.

Moreover, since the laser module 19, the first imaging module 11, and the second imaging module 12 are all disposed on the backlight side of the display substrate 10, there are many possibilities for the arrangement and combination of the laser module 19, the first imaging module 11, and the second imaging module 12, and on the premise of not affecting the beauty, as shown in fig. 1, the laser module 19, the first imaging module 11, and the second imaging module 12 can be disposed in the black matrix area on the upper side, and the distance between the laser module 19, the first imaging module 11, and the second imaging module 12 can be increased to improve the shooting accuracy of the depth camera module, as shown in fig. 2, the laser module 19, the first imaging module 11, and the second imaging module 12 can be disposed in the black matrix areas on both sides, respectively.

Optionally, a first infrared film layer is arranged at the first light transmission region, a second infrared film layer is arranged at the second light transmission region, and a third infrared film layer is arranged at the third light transmission region;

the laser module 19 is configured to emit infrared laser light, so that the infrared laser light irradiates an object to be photographed through the first infrared film layer and the first light-transmitting area;

the first imaging module 11 is configured to receive the infrared laser reflected by the object to be photographed through the second infrared film layer and the second light-transmitting area, and obtain a depth image of the surface of the object to be photographed according to the infrared laser

The second imaging module 12 is configured to receive the infrared laser reflected by the object to be photographed through a third infrared film layer and a third light-transmitting area, and obtain a depth image of the surface of the object to be photographed according to the infrared laser.

Optionally, as shown in fig. 3 and 7, the depth camera module further includes a light splitter 13 and a projection lens 16 located between the display substrate 10 and the laser module 19;

the light splitting device 13 is configured to split the laser light emitted by the laser module 19 into a plurality of randomly distributed laser lights.

The projection lens 16 is configured to converge the multiple laser beams on the display substrate and then project the multiple laser beams to the object to be photographed.

That is, in the embodiment of the present invention, the stop for the multiple laser beams is located on the display substrate 10. The display substrate 10 may be a glass substrate, and the inner side of the display substrate 10 is an inner screen 40 of the display device.

In the embodiment of the present invention, as shown in fig. 5 and 6, the depth camera module includes a driving circuit 14 connected to the laser module 19, the first imaging module 11, and the second imaging module 12. The driving circuit 14 is configured to control the laser module 19 and the first imaging module 11 to be turned on or off simultaneously, or control the laser module 19 and the second imaging module 12 to be turned on or off simultaneously, and control the output optical power of the laser module 19 by controlling the driving current of the laser module 19, so as to control the optical power of the laser light passing through the first light-transmitting area 10 by controlling the output optical power of the laser module 19.

Further, the degree of depth module of making a video recording still includes processing module 15, and the 3D module of making a video recording still includes the 2D imaging module. The 2D imaging module is used for shooting a 2D image of an object to be shot. The processing module 15 is used for obtaining a 3D image of the object to be shot according to the depth image shot by the 3D camera module and the 2D image shot by the 2D imaging module.

It should be noted that, in order to set the depth camera module on the backlight side of the display substrate 10, the driving circuit 14 may increase the driving current, reduce the pulse width of the laser module 19, and greatly increase the optical power of the laser module 19, and at the same time, the total pulse energy of the laser module 19 is kept unchanged, so as to meet the optical power limitation of human eye safety.

In an embodiment of the present invention, as shown in fig. 4 and 8, a collimating lens 18 and a reflecting device 17 are further provided between the light splitting device 13 and the laser module 19;

the collimating lens 18 is configured to collimate the incident laser light and emit a collimated light beam;

the reflecting device 17 is used for reflecting the collimated light beam and projecting the collimated light beam to the light splitting device 13;

the light splitting device 13 is used for splitting the collimated light beam projected by the reflecting device 17 into a plurality of laser beams which are distributed randomly;

the projection lens 16 is configured to converge the multiple laser beams on the display substrate 10 and then project the multiple laser beams to the object to be photographed.

In the embodiment of the present invention, the reflecting device 17 may adopt a mirror or a triangular prism. The reflecting surface of the triangular prism can be plated with a layer of reflecting film.

The first imaging module 11 and the second imaging module 12 are infrared cameras.

Specifically, the light splitting device 13 divides the laser emitted by the laser module 19 into a plurality of lasers distributed randomly, and when the lasers irradiate on a plane, a light spot image as shown in fig. 9 is formed, and when the plurality of lasers irradiate on the object to be photographed, the light spot pattern is deformed or displaced, and after the first imaging module photographs the light spot pattern on the surface of the object to be photographed, a depth image of the surface of the object to be photographed is obtained according to the deformation or displacement of the light spot pattern, that is, the depth information of the surface of the object to be photographed is obtained. The processing module 15 can obtain a 3D image of the object to be photographed according to the depth image and the 2D image.

In the embodiment of the present invention, the light splitting device 13 may be a nano-photonic chip, or may also be a diffraction grating (DOE) or a code structure photomask, and the present invention is not limited thereto.

According to the display device with the 3D camera module, the output light power of the laser module is high, and even when the display device faces a display substrate with low transmissivity, the light power of laser passing through a light transmission area is also high, so that the depth camera module can be arranged on the backlight side of the display substrate, a non-display area does not need to be arranged at the top of the display device to install the depth camera module, and the attractiveness and the overall screen experience of the display device cannot be influenced.

The embodiment of the utility model also provides electronic equipment, which comprises the display device provided by any one of the embodiments, and the electronic equipment can be a mobile phone, a tablet computer, a digital camera and the like. According to the electronic equipment with the 3D camera module, the depth camera module is installed without arranging a non-display area at the top of the display device, so that the appearance is more attractive, and the full-screen experience is more favorably realized.

According to the display device and the electronic equipment with the 3D camera module, the depth camera module is arranged on the lower side of the black matrix area of the display substrate, so that a non-display area, namely a sea area, does not need to be arranged on the top of the display device, the depth camera module is installed, and the attractiveness and the comprehensive screen experience of the display device cannot be influenced; the infrared film layer is arranged in the light transmitting area of the black matrix area, the infrared film layer can transmit infrared light so as not to influence the work of the depth camera module, but visible light cannot penetrate through the infrared film layer, the integrity of the black matrix area is ensured, and the attractiveness of a display screen is not influenced; the light splitting device is divided into a plurality of laser beams which are distributed randomly through the projection lens, the laser beams are converged on the display substrate and then projected to the object to be shot, the installation space of a laser module is reduced, and the application of the utility model on a narrow-frame screen (a screen with a narrow black matrix area) is realized.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model.

Claims (10)

1. A display device with a 3D camera module is characterized by comprising a display substrate and the 3D camera module;

the display substrate comprises a display area and a black matrix area surrounding the display area; the black matrix region includes a first light-transmitting region, a second light-transmitting region and a third light-transmitting region;

the 3D camera module comprises a depth camera module positioned on the lower side of the black matrix area;

the depth camera module comprises a laser module and an imaging module;

the laser module is used for emitting laser so that the laser can irradiate an object to be shot through the first light-transmitting area;

the imaging module comprises a first imaging module and a second imaging module;

the first imaging module is used for obtaining a first depth image of the surface of the object to be shot according to the light spot pattern which is received through the second light-transmitting area and reflected by the object to be shot;

the second imaging module is used for receiving the laser reflected by the object to be shot through the third light transmission area and obtaining a second depth image of the surface of the object to be shot according to the delay or phase difference of the received laser reflected by the object to be shot.

2. The display device according to claim 1, wherein the first light-transmitting region is provided with a first infrared film layer, wherein the second light-transmitting region is provided with a second infrared film layer, and wherein the third light-transmitting region is provided with a third infrared film layer;

the laser module is used for emitting infrared laser so that the infrared laser irradiates an object to be shot through the first infrared film layer and the first light-transmitting area;

the first imaging module adopts an infrared camera and is used for receiving a light spot pattern formed by infrared laser reflected by the object to be shot through a second infrared film layer and a second light transmission area and obtaining a first depth image of the surface of the object to be shot according to the light spot pattern;

the second imaging module adopts an infrared camera and is used for receiving the infrared laser reflected by the object to be shot through a third infrared film layer and a third light transmission area and obtaining a depth image of the surface of the object to be shot according to the infrared laser.

3. The display device according to claim 1, wherein the depth camera module comprises a beam splitter and a projection lens between the laser module and the display substrate;

the light splitting device is used for splitting the laser emitted by the laser module into a plurality of beams of laser which are randomly distributed;

the projection lens is used for converging the laser beams on the display substrate and then projecting the laser beams to the object to be shot.

4. The display device according to claim 1, wherein the depth camera module comprises a collimating lens, a reflecting device, a beam splitting device and a projection lens between the laser module and the display substrate;

the collimating lens is used for collimating the incident laser and emitting a collimated light beam;

the reflecting device is used for reflecting the collimated light beam and projecting the collimated light beam to the light splitting device;

the light splitting device is used for splitting the collimated light beam projected by the reflecting device into a plurality of laser beams which are distributed randomly;

the projection lens is used for converging the laser beams on the display substrate and then projecting the laser beams to the object to be shot.

5. The display device according to claim 3, wherein the depth camera module comprises a driving circuit connected to the laser module and the imaging module;

the driving circuit is used for controlling the laser module and the imaging module to be simultaneously turned on or turned off, and controlling the output light power of the laser module by controlling the driving current of the laser module.

6. The display device according to claim 3, wherein the depth camera module comprises a processing module; the 3D camera module further comprises a 2D imaging module;

the 2D imaging module is used for shooting a 2D image of the object to be shot;

the processing module is used for obtaining a 3D image of the object to be shot according to the first depth image or the second depth image and the 2D image.

7. The display device according to claim 3, wherein the light inlets of the first imaging module and the second imaging module are disposed toward the display panel, so that the laser light reflected by the object to be photographed enters the first imaging module and the second imaging module after penetrating through the display panel.

8. The display device according to claim 3, wherein a diffusion sheet is provided between the light-splitting device and the projection lens;

and the diffusion sheet is used for diffusing the laser and enabling the laser to be subjected to floodlight emergence.

9. The display device of claim 1, wherein the laser module comprises any one of:

-an array of vertical cavity surface emitting lasers;

-an edge-emitting laser;

-a semiconductor laser.

10. An electronic device comprising the display device according to any one of claims 1 to 9.

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