CN110191267B - Terminal equipment and structured light emitting module - Google Patents
Terminal equipment and structured light emitting module Download PDFInfo
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- CN110191267B CN110191267B CN201910544710.3A CN201910544710A CN110191267B CN 110191267 B CN110191267 B CN 110191267B CN 201910544710 A CN201910544710 A CN 201910544710A CN 110191267 B CN110191267 B CN 110191267B
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- 230000003287 optical effect Effects 0.000 claims abstract description 60
- 230000000670 limiting effect Effects 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims description 18
- 230000001502 supplementing effect Effects 0.000 claims description 11
- 230000002829 reductive effect Effects 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Optical Communication System (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
The embodiment of the application provides a terminal device and a structured light emitting module, wherein the terminal device comprises: the structure light emitting module comprises a diffraction optical element and a lens cone; the lens cone comprises a lens cone body, and a first limit part and a second limit part which are arranged at one end of the lens cone body at intervals; the diffraction optical element is fixed between the first limiting part and the second limiting part, and a part of side wall of the diffraction optical element is exposed; the display screen is formed with a front surface and a back surface which are opposite to each other; a first mounting groove is formed on the display screen; the first limiting part, the second limiting part and the diffraction optical element are spliced in the first mounting groove; the structure light receiving module is arranged on one side of the back surface of the display screen. By adopting the application, the peripheral size of the first mounting groove on the display screen can be reduced, so that the screen occupation ratio of the display screen can be improved, and the visual effect of the display screen is more friendly.
Description
Technical Field
The present invention relates to the field of mobile devices, and in particular, to a terminal device and a structured light emitting module.
Background
In the existing mobile phone with the face recognition function, a structured light component is generally required to be arranged to realize the corresponding function. In order to ensure that the structural light emitting module in the structural light assembly does not have adverse effect on the display screen in the process of projecting laser, the display screen is usually provided with a mounting groove corresponding to the structural light emitting module.
However, with the continuous development of the market, a screen with a larger screen ratio is more and more favored by consumers, and the larger the area occupied by the mounting groove is, the lower the screen ratio of the display screen is, thereby affecting the visual effect of the display screen.
Disclosure of Invention
Therefore, a main object of the embodiments of the present application is to provide a terminal device and a structured light emitting module capable of increasing a screen ratio of a display screen.
In order to achieve the above object, the technical solution of the embodiment of the present application is as follows:
A first aspect of an embodiment of the present application provides a terminal device, including:
the structure light emitting module comprises a diffraction optical element and a lens cone; the lens barrel comprises a lens barrel body, and a first limit part and a second limit part which are arranged at one end of the lens barrel body at intervals; the diffraction optical element is fixed between the first limiting part and the second limiting part, and a part of side wall of the diffraction optical element is exposed;
The display screen is used for displaying images, the display screen is formed with a front face and a back face which are opposite to each other, and light rays emitted by the display screen are emitted to the outside along the direction of the back face pointing to the front face; a first mounting groove is formed in the display screen; the first limiting part, the second limiting part and the diffraction optical element are inserted into the first mounting groove;
the structure light receiving module is arranged on one side where the back surface of the display screen is located.
Further, the first limiting part and the second limiting part are oppositely arranged; the outer contours of the projections of the first limiting part, the second limiting part and the diffraction optical element on the plane where the display screen is located are rectangular or track-shaped.
Further, the structured light emitting module comprises a detection sheet, a circuit board and an emitter; the diffractive optical element has a conductive layer;
one end of the detection sheet is connected with the conducting layer, and the other end of the detection sheet is connected with the circuit board; the circuit board is connected with the emitter.
Further, the terminal device comprises a frame surrounding the periphery of the display screen;
The first mounting groove is connected with the frame; or a gap is formed between the first mounting groove and the frame.
Further, the terminal device comprises
A structured light supplementing module;
The structure light supplementing module is arranged on one side where the back surface of the display screen is located; or, the structure light supplementing module is integrated in the structure light emitting module.
Further, the terminal device comprises a visible light shooting module;
And a second mounting groove corresponding to the visible light shooting module is formed on the display screen.
Further, the terminal device comprises a fixed bracket; the structural light emitting module and the structural light receiving module are fixed on the bracket.
Further, the terminal equipment is a mobile phone or a tablet computer.
A second aspect of an embodiment of the present application provides a structured light emitting module of a terminal device, including:
a diffractive optical element;
The lens barrel comprises a lens barrel body, and a first limit part and a second limit part which are arranged at one end of the lens barrel body at intervals; the diffraction optical element is fixed between the first limiting part and the second limiting part, and a part of side wall of the diffraction optical element is exposed.
Further, the structured light emitting module comprises a detection sheet, a circuit board and an emitter; the diffractive optical element has a conductive layer;
one end of the detection sheet is connected with the conducting layer, and the other end of the detection sheet is connected with the circuit board; the circuit board is connected with the emitter.
The embodiment of the application provides a terminal device and a structured light emitting module, wherein a diffraction optical element is fixed between a first limiting part and a second limiting part, and a part of side wall of the diffraction optical element is exposed, so that the peripheral size of a corresponding first mounting groove on a display screen can be reduced, the screen occupation ratio of the display screen can be improved, and the visual effect of the display screen is more friendly.
Drawings
FIG. 1 is a schematic diagram of a structured light emitting module according to an embodiment of the present application;
FIG. 2 is a half cross-sectional view of a structured light emitting module according to an embodiment of the present application;
FIG. 3 is a half cross-sectional view of another view of a structured light emitting module according to an embodiment of the present application;
Fig. 4 is a schematic diagram of an assembly structure of a structured light assembly and a visible light shooting module of a terminal device according to an embodiment of the present application;
Fig. 5 is a schematic partial view of a terminal device according to an embodiment of the present application, where the structural light receiving module and the structural light compensating module are only shown in the setting positions behind the display screen, and the structural light receiving module and the structural light compensating module are not visible to the naked eye during normal use.
Reference numerals: a structured light assembly 1000; a structured light emitting module 100; a lens barrel 110; a barrel body 111; a first stopper 112; a second limiting portion 113; a collimating element 120; a diffractive optical element 130; a detection sheet 140; a circuit board 150; a transmitter 160; a structured light receiving module 200; a structured light supplemental module 300; a screen module 2000; a display 400; a first mounting groove 400a; a second mounting groove 400b; a non-display area 400c; a light-transmitting cover plate 500; a visible light photographing module 3000; a fixing bracket 4000; a frame 5000.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
It should be noted that, in the case of no conflict, the embodiments of the present invention and the technical features in the embodiments may be combined with each other, and the detailed description in the specific embodiments should be construed as an explanation of the gist of the present invention and should not be construed as unduly limiting the present invention.
The application relates to a structured light emitting module and a structured light receiving module, which are related modules in a structured light assembly, wherein the structured light assembly is a related assembly based on a structured light technology. The basic principle of the structured light technology is that light rays with certain structural characteristics are projected onto a photographed object through a structured light emitting module, and then image acquisition is carried out through a special structured light receiving module. The light rays with certain structural characteristics can acquire different image phase information due to different depth areas of a shot object, and then the change of the structure is converted into the depth information through an operation unit, so that a three-dimensional structure is obtained. The structured light component can realize unlocking and mobile payment of the terminal equipment by recognizing the human face.
For convenience of description, in the embodiment of the present application, a terminal device is described by taking a mobile phone as an example, and it can be understood that the terminal device may be other types of terminal devices with a structured light assembly, such as a tablet computer.
An embodiment of the present application provides a terminal device, referring to fig. 1 to 4, which includes a structured light emitting module 100, a structured light receiving module 200, and a display screen 400.
The structured light emitting module 100 includes a diffractive optical element 130 and a lens barrel 110, the lens barrel 110 includes a lens barrel body 111, and a first limiting portion 112 and a second limiting portion 113 disposed at an end of the lens barrel body 111, the diffractive optical element 130 is fixed between the first limiting portion 112 and the second limiting portion 113, and a portion of a sidewall of the diffractive optical element 130 is exposed.
The display screen 400 is used for displaying images, the display screen 400 is formed with a front face and a back face which are opposite to each other, light rays emitted by the display screen 400 are emitted to the outside along the direction that the back face points to the front face, and a first mounting groove 400a is formed on the display screen 400. The first limiting portion 112, the second limiting portion 113 and the diffractive optical element 130 are inserted into the first mounting groove 400a.
The structured light receiving module 200 is disposed at a side where the back surface of the display screen 400 is located.
Specifically, the structured light emitting module 100 and the structured light receiving module 200 of the present embodiment are related modules in the structured light assembly 1000. The screen module 2000 of the terminal device of this embodiment includes a display screen 400 and a light-transmitting cover plate 500 disposed on the display screen 400, where a side of the display screen 400 facing the light-transmitting cover plate 500 is a front surface. The light-transmitting cover plate 500 may protect the display screen 400. The light-transmitting cover plate 500 of the present application may be a glass cover plate.
For the screen module of the non-comprehensive screen, the display screen is always provided with mounting grooves corresponding to the structural light receiving module, the structural light emitting module and the like, and a part of areas incapable of displaying images exist on the display screen due to the existence of the mounting grooves. The black "bang" area on the common "bang" screen is the non-display area. The larger the area of the non-display area, the lower the screen duty cycle of the display screen.
In order to increase the screen ratio of the display screen, the present embodiment sets the structured light receiving module 200 on the side where the back surface of the display screen 400 is located. The structured light receiving module 200 may be an infrared Camera (IR Camera). Because the structural light receiving module 200 mainly receives the infrared light, the structural light receiving module 200 is arranged on one side of the back surface of the display screen 400, and the infrared light can still penetrate through the display screen 400, that is, the shielding of the display screen 400 does not influence the normal image acquisition of the structural light receiving module 200, and the infrared light penetrating through the display screen 400 does not influence the image display of the display screen 400. Since the display screen 400 does not need to be provided with the mounting groove of the light receiving module 200, the screen duty ratio of the display screen 400 can be greatly improved.
For the structural light emitting module, the structural light emitting module mainly emits laser, and because the structural light emitting module is limited by the resolution and the transmittance of the display screen and the pattern arrangement structure of the pixels of the display screen, the laser emitted by the structural light emitting module can generate a series of diffraction after passing through the microstructure of the display screen, spots (namely 'noise') generated by the diffraction can interfere with normal laser spots on the display area, but the influence of the noise on depth information is not completely eliminated in the prior art, especially in an outdoor strong light environment, the background noise caused by strong light is very strong, and the diffraction noise of the display screen can seriously influence the depth effect of the display area. In order to avoid that the laser affects the image display of the display screen, the first mounting groove 400a corresponding to the structural light emitting module 100 is still provided on the display screen 400, and the laser emitted from the lens barrel 110 directly passes through the light-transmitting cover plate 500 and is projected onto the photographed object, but does not pass through the microstructure of the display screen 400. The first mounting groove 400a of the present embodiment is a through groove, and in another embodiment, the first mounting groove 400a may be a blind hole structure.
In the prior art, for projection purposes, an emitter and various optical elements are generally disposed in a structural light emitting module, wherein the most basic optical elements are a collimation element and a diffraction optical element. The emitter is arranged at one end of the lens barrel far away from the light-transmitting cover plate, the collimating element and the diffraction optical element are arranged in the lens barrel, the diffraction optical element is positioned at one end of the lens barrel close to the light-transmitting cover plate, the collimating element is positioned between the emitter and the diffraction optical element, and laser emitted from the emitter sequentially passes through the collimating element and the diffraction optical element so as to realize corresponding projection. In general, only the end of the lens barrel close to the light-transmitting cover plate is inserted into the mounting groove, that is, the diffractive optical element is actually also located in the mounting groove. The lens barrel is generally in a hollow cylindrical structure, the diffractive optical element is fixed in the cavity of the lens barrel, and the side wall of the lens barrel is arranged on the periphery of the diffractive optical element, so that the larger the peripheral dimension of the lens barrel positioned in the mounting groove is, the larger the inner diameter of the mounting groove is, and the larger the area occupied by the mounting groove on the display screen is, so that the screen occupation ratio of the display screen is reduced.
In order to further increase the screen ratio of the display screen, referring to fig. 1 to 3 and 5, the lens barrel 110 of the present embodiment is instead formed by a lens barrel main body 111, a first limiting portion 112 and a second limiting portion 113, the collimating element 120 is disposed in the lens barrel main body 111, the first limiting portion 112 and the second limiting portion 113 are disposed at an interval at one end of the lens barrel main body 111, the diffractive optical element 130 is fixed between the first limiting portion 112 and the second limiting portion 113, and a portion of the side wall of the diffractive optical element 130 is exposed. That is, the first limiting portion 112 and the second limiting portion 113 together form a semi-enclosed space for fixing the diffractive optical element 130, which is equivalent to cutting out a part of the side wall of the original lens barrel and exposing a part of the side wall of the diffractive optical element 130. Since a portion of the side wall of the lens barrel is eliminated, the outer circumferential dimension of the first mounting groove 400a can be reduced accordingly, and thus the area of the non-display area 400c can be reduced to increase the screen ratio of the display screen 400. The first limiting portion 112 and the second limiting portion 113 of the present embodiment are oppositely disposed, the diffractive optical element 130 is rectangular, two side walls of the diffractive optical element 130 that are oppositely disposed are disposed facing the first limiting portion 112 and the second limiting portion 113, and the other two side walls are exposed, and the outer contours of the projections of the first limiting portion 112, the second limiting portion 113 and the diffractive optical element 130 on the plane of the display screen 400 are rectangular, so that the first limiting portion 112, the second limiting portion 113 and the diffractive optical element 130 can be disposed more compactly, and the outer peripheral dimension of the first mounting groove 400a can be reduced. It is understood that in other embodiments, the outer contours of the projections of the first limiting portion 112, the second limiting portion 113 and the diffractive optical element 130 on the plane of the display screen 400 may be adjusted according to the specific shape of the diffractive optical element 130, for example, may be a racetrack shape, etc., which is not limited herein. The diffractive optical element 130 of the present application is a double glass, which may be Indium Tin Oxide (ITO) conductive glass.
Referring to fig. 3, the light emitting module 100 of the present embodiment includes a detecting plate 140, a circuit board 150 and an emitter 160. The diffraction optical element 130 has a conductive layer (not shown), one end of the detection sheet 140 is connected to the conductive layer, the other end of the detection sheet 140 is connected to the circuit board 150, and the circuit board 150 is connected to the emitter 160.
Specifically, in order to avoid damage to the diffractive optical element caused by accident, the laser emitted from the emitter may penetrate through the damaged diffractive optical element and directly reach the human body, so as to cause damage to the human body, and the existing structural light emitting module generally further includes a protective cover covering the outer side of the diffractive optical element. The shield cover occupies a certain accommodation space in the mounting groove and thus the outer circumferential size of the mounting groove needs to be increased accordingly, thereby causing a decrease in the screen ratio of the display screen 400. In order to solve the problem, the protection cover is changed into the detection sheet 140 in this embodiment, the detection sheet 140 can transmit an electrical signal between the diffractive optical element 130 and the emitter 160, and when the diffractive optical element 130 is damaged, the conductive layer can transmit a corresponding electrical signal to the emitter 160 through the detection sheet 140 to control the emitter 160 to stop working, so that the laser emitted by the structured light emitting module 100 can be prevented from penetrating through the damaged diffractive optical element 130 to cause injury to the human body. Since the detecting sheet 140 occupies much less space than the protective cover, the safety of the structured light emitting module 100 can be improved with little need to increase the outer circumferential dimension of the first mounting groove 400 a.
Referring to fig. 5, the terminal device further includes a frame 5000 surrounding the display screen 400, and the first mounting groove 400a is connected to the frame 5000.
Specifically, in order to make the area of the non-display area 400c as small as possible, in this embodiment, a non-display area 400c having a "U" shape is formed at the frame 5000 of the display screen 400, and the non-display area 400c is formed as a droplet-shaped structure on the display screen 400, so that such a screen is commonly called a "water droplet" screen. It is understood that in another embodiment, a gap may be provided between the first mounting groove 400a and the frame 5000.
With continued reference to fig. 4 and fig. 5, the terminal device of the present embodiment further includes a structural light compensating module 300, where the structural light compensating module 300 is disposed on a side of the back surface of the display screen 400, that is, the structural light compensating module 300 and the structural light receiving module 200 of the present embodiment are both disposed on the same side of the display screen 400.
Specifically, the structural light compensating module 300 is also a related module in the structural light assembly 1000, and the main function of the structural light compensating module 300 is to provide the structural light receiving module 200 with the infrared band compensating light, and the general "Liu-ban" screen is also provided with a mounting slot corresponding to the structural light compensating module 300. However, since the structured light compensating module 300 mainly provides infrared light, the normal use of the structured light compensating module 300 is not affected by the structured light compensating module 300 disposed on the side where the back surface of the display screen 400 is located. Since the mounting groove of the light supplementing module 300 with the mounting structure is not required to be formed on the display screen 400, the screen duty ratio of the display screen 400 can be improved. The structured light supplemental module 300 of the present embodiment may be a floodlight.
In another embodiment, the structural light supplementing module 300 may also be integrated in the structural light emitting module 100, and specifically, the structural light emitting module 100 and the structural light supplementing module 300 of this embodiment may both employ vertical cavity surface emitting laser (Vcsel) chips, so structurally, the structural light supplementing module 300 and the structural light emitting module 100 may be designed into an integral structure, which is equivalent to that the integrated structural light emitting module 100 may have the functions of laser projection and infrared light supplementing.
With continued reference to fig. 4 and 5, the terminal device of the present embodiment further includes a visible light shooting module 3000, and a second mounting groove 400b corresponding to the visible light shooting module 3000 is formed on the display screen 400. The second mounting groove 400b of the present embodiment is a through groove, and in another embodiment, the second mounting groove 400b may be a blind hole structure.
Specifically, the visible light shooting module 3000 of this embodiment is mainly used for the user to perform self-timer shooting, the visible light shooting module 3000 may be a red, green and blue (RGB) camera, the color gamut of the RGB camera is wide, the operation is stable and reliable, the cost is low, and the shooting effect of the terminal device can be improved. In theory, the visible light photographing module 3000 may be disposed on the side of the back of the display screen 400, but in some specific situations, such as a dark light, the photographing effect of the visible light photographing module 3000 is affected by the display screen 400, so the second mounting groove 400b corresponding to the visible light photographing module 3000 is still formed on the display screen 400 in this embodiment. It should be noted that, there is no necessary connection between the structured light assembly 1000 and the visible light photographing module 3000, and the visible light photographing module 3000 may not be provided for a terminal device that does not need to provide a self-timer function.
In addition, since the second mounting groove 400b is provided, the first mounting groove 400a and the second mounting groove 400b are actually brought close as much as possible, and the second mounting groove 400b is also connected to the bezel 5000, so that the area of the non-display area 400c can be reduced as much as possible. With continued reference to fig. 4, the terminal device of the present embodiment further includes a fixing bracket 4000, and the structural light emitting module 100 and the structural light receiving module 200 are fixed on the fixing bracket 4000.
Specifically, in order to secure the photographing effect of the structured light assembly 1000, it is necessary to secure a space (Baseline) between two optical centers of the structured light emitting module 100 and the structured light receiving module 200, and thus, by providing the fixing bracket 4000, it is possible to secure that the positions of the structured light emitting module 100 and the structured light receiving module 200 do not deviate.
The foregoing is only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present invention, and the changes and substitutions are intended to be covered by the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A terminal device, comprising:
the structure light emitting module comprises a diffraction optical element and a lens cone; the lens barrel comprises a lens barrel body, and a first limit part and a second limit part which are arranged at one end of the lens barrel body at intervals; the diffraction optical element is fixed between the first limiting part and the second limiting part, and a part of side wall of the diffraction optical element is exposed;
The display screen is used for displaying images, the display screen is formed with a front face and a back face which are opposite to each other, and light rays emitted by the display screen are emitted to the outside along the direction of the back face pointing to the front face; a first mounting groove is formed in the display screen; the first limiting part, the second limiting part and the diffraction optical element are inserted into the first mounting groove;
the structure light receiving module is arranged on one side where the back surface of the display screen is located.
2. The terminal device according to claim 1, wherein the first limit portion and the second limit portion are disposed opposite to each other; the outer contours of the projections of the first limiting part, the second limiting part and the diffraction optical element on the plane where the display screen is located are rectangular or track-shaped.
3. The terminal device according to claim 1 or 2, wherein the structured light emitting module comprises a detection sheet, a circuit board and a transmitter; the diffractive optical element has a conductive layer;
one end of the detection sheet is connected with the conducting layer, and the other end of the detection sheet is connected with the circuit board; the circuit board is connected with the emitter.
4. A terminal device according to claim 1 or 2, characterized in that the terminal device comprises a frame surrounding the display screen;
The first mounting groove is connected with the frame; or a gap is formed between the first mounting groove and the frame.
5. A terminal device according to claim 1 or 2, characterized in that the terminal device comprises
A structured light supplementing module;
The structure light supplementing module is arranged on one side where the back surface of the display screen is located; or, the structure light supplementing module is integrated in the structure light emitting module.
6. The terminal device according to claim 1 or 2, characterized in that the terminal device comprises a visible light shooting module;
And a second mounting groove corresponding to the visible light shooting module is formed on the display screen.
7. A terminal device according to claim 1 or 2, characterized in that the terminal device comprises a fixed support; the structural light emitting module and the structural light receiving module are fixed on the bracket.
8. The terminal device according to claim 1 or 2, characterized in that the terminal device is a mobile phone or a tablet computer.
9.A structured light emitting module of a terminal device, comprising:
a diffractive optical element;
The lens barrel comprises a lens barrel body, and a first limit part and a second limit part which are arranged at one end of the lens barrel body at intervals; the diffraction optical element is fixed between the first limiting part and the second limiting part, and a part of side wall of the diffraction optical element is exposed.
10. The structured light emitting module of claim 9, wherein the structured light emitting module comprises a detection sheet, a circuit board, and an emitter; the diffractive optical element has a conductive layer;
one end of the detection sheet is connected with the conducting layer, and the other end of the detection sheet is connected with the circuit board; the circuit board is connected with the emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910544710.3A CN110191267B (en) | 2019-06-21 | 2019-06-21 | Terminal equipment and structured light emitting module |
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| CN201910544710.3A CN110191267B (en) | 2019-06-21 | 2019-06-21 | Terminal equipment and structured light emitting module |
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| CN110191267A CN110191267A (en) | 2019-08-30 |
| CN110191267B true CN110191267B (en) | 2024-05-14 |
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| CN112543262B (en) * | 2019-09-20 | 2022-07-12 | 宁波舜宇光电信息有限公司 | Camera module, under-screen camera assembly and corresponding electronic equipment |
| CN113687486B (en) * | 2020-05-18 | 2023-12-08 | 三赢科技（深圳）有限公司 | Optical module and electronic device |
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| CN107508938A (en) * | 2017-09-06 | 2017-12-22 | 广东欧珀移动通信有限公司 | Camera module and electronic installation |
| CN108388072A (en) * | 2018-02-27 | 2018-08-10 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN208044211U (en) * | 2018-05-02 | 2018-11-02 | 南昌欧菲生物识别技术有限公司 | Laser projection module, depth camera and electronic device |
| CN109379454A (en) * | 2018-09-17 | 2019-02-22 | 深圳奥比中光科技有限公司 | Electronic equipment |
| CN109407758A (en) * | 2018-09-28 | 2019-03-01 | 深圳阜时科技有限公司 | A kind of equipment |
| CN109327576A (en) * | 2018-11-16 | 2019-02-12 | Oppo广东移动通信有限公司 | Electronic device and its control method and control device |
| CN109451107A (en) * | 2018-11-16 | 2019-03-08 | Oppo广东移动通信有限公司 | Electronic device |
| CN210053466U (en) * | 2019-06-21 | 2020-02-11 | Oppo广东移动通信有限公司 | Terminal equipment and structure light emission module |
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|---|---|
| CN110191267A (en) | 2019-08-30 |
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