CN113840057A - Camera device under display screen - Google Patents
Camera device under display screen Download PDFInfo
- Publication number
- CN113840057A CN113840057A CN202010582904.5A CN202010582904A CN113840057A CN 113840057 A CN113840057 A CN 113840057A CN 202010582904 A CN202010582904 A CN 202010582904A CN 113840057 A CN113840057 A CN 113840057A
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- China
- Prior art keywords
- camera
- electric field
- display screen
- blind hole
- liquid crystal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 41
- 230000005684 electric field Effects 0.000 claims abstract description 39
- 239000011521 glass Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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Classifications
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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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- 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
-
- 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
-
- 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
-
- 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
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Liquid Crystal (AREA)
- Studio Devices (AREA)
Abstract
The embodiment of the invention provides a lower camera device of a display screen, which comprises: display screen and camera, it is regional to have seted up the blind hole on the display screen, the camera sets up the below in blind hole region, wherein, the display screen still includes electric field circuit, electric field circuit passes through electric field variation drive the regional liquid crystal deflection of blind hole in the display screen, in order to change to pass through the light path of the regional light of blind hole realizes focusing of camera. According to the invention, the electric field circuit drives the liquid crystal in the blind hole area in the display screen to deflect through the electric field change, so that the light path of light passing through the blind hole area is changed, the focusing of the camera is realized, the problems that the focusing scheme in the related technology is a camera independent system, the size is large and the ID modeling design is not facilitated are solved, and the effect of realizing the focusing function under the condition of not additionally increasing the size of a module is further achieved.
Description
Technical Field
The embodiment of the invention relates to the technical field of terminals, in particular to a lower camera device of a display screen.
Background
In the full-screen era of the mobile phone, the self-photographing effect is limited by the full-screen ID and cannot be fully exerted along with the rapid development of high pixels of the self-photographing camera. The depth of field range of the high-pixel camera for self-shooting is small, self-shooting experience is poor under the condition that a focusing system is not arranged, and the traditional VCM focusing scheme is large in size and not beneficial to ID modeling design.
Disclosure of Invention
The embodiment of the invention provides a camera device under a display screen, which at least solves the problems that the focusing scheme in the related technology is a camera independent system, the size is large and the design of an ID model is not facilitated.
According to an embodiment of the present invention, there is provided an under-display-screen image pickup apparatus including: display screen and camera, it is regional to have seted up the blind hole on the display screen, the camera sets up the below in blind hole region, wherein, the display screen still includes electric field circuit, electric field circuit passes through electric field variation drive the regional liquid crystal deflection of blind hole in the display screen, in order to change to pass through the light path of the regional light of blind hole realizes focusing of camera.
In an exemplary embodiment, the display screen comprises a cover plate positioned at the top and a display module positioned below the cover plate, wherein the display module comprises a liquid crystal layer and a backlight layer, an opening is formed in the backlight layer, the liquid crystal layer above the opening forms the blind hole area, and the electric field circuit is arranged on an ITO glass layer at the outermost layer of the liquid crystal layer.
Further, still include: and the driving circuit is arranged inside the camera or on the display module, is electrically connected with the electric field circuit and is used for generating electric field change by adjusting the voltage of the electric field circuit.
Further, liquid crystal deflection in the region of the blind holes in the liquid crystal layer changes the refractive index distribution of the liquid crystal layer.
In one exemplary embodiment, the camera is a fixed focus camera.
In one exemplary embodiment, the apparatus further comprises: and the sealing ring is arranged between the camera and the display screen.
In one exemplary embodiment, the electric field generated by the electric field circuit covers a field angle range of the camera head.
In one exemplary embodiment, the lens of the camera is located in the aperture of the backlight layer.
In one exemplary embodiment, the driving circuit is electrically connected to a circuit board of the camera.
In one exemplary embodiment, the center of the blind hole area of the liquid crystal layer is aligned with the center of the opening of the backlight layer and the center of the camera lens, and the blind hole area of the liquid crystal layer is larger than the opening of the backlight layer.
According to the embodiment of the invention, the electric field circuit drives the liquid crystal in the blind hole area in the display screen to deflect through the change of the electric field, so that the light path of light passing through the blind hole area is changed, and the focusing of the camera is realized.
Drawings
Fig. 1 is a block diagram of a configuration of an under-display-screen image pickup apparatus according to an embodiment of the present invention;
fig. 2 is a block diagram of a lower image capture device equipped with a display module according to an embodiment of the present invention;
fig. 3 is a block diagram of a configuration of an under-display-screen image pickup apparatus equipped with a seal ring according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a mobile terminal provided with an off-screen camera according to an alternative embodiment of the present invention;
FIG. 5 is a schematic diagram of a layered structure of an off-screen camera in accordance with an alternative embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of an underscreen camera according to an alternative embodiment of the present invention;
fig. 7 is a schematic structural diagram of a single camera assembly according to an alternative embodiment of the invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In the present embodiment, an under-display-screen image pickup apparatus is provided. Although the means described in the embodiments below are preferably implemented in hardware, a combination of hardware and software implementations is also possible.
Fig. 1 is a block diagram of a configuration of an under-display-screen image pickup apparatus according to an embodiment of the present invention, and as shown in fig. 1, the apparatus includes a display screen 103 and a camera 101. The display screen 103 further comprises an electric field circuit.
The display screen 103 is provided with a blind hole area.
The camera 101 is disposed below the blind hole region.
The electric field circuit drives the liquid crystal in the blind hole area in the display screen 103 to deflect through electric field change so as to change the light path of light passing through the blind hole area and realize focusing of the camera.
According to the embodiment of the invention, the electric field circuit drives the liquid crystal in the blind hole area in the display screen to deflect through the change of the electric field, so that the light path of light passing through the blind hole area is changed, and the focusing of the camera is realized.
Fig. 2 is a block diagram of a structure of an image capturing device under a display screen equipped with a display module according to an embodiment of the present invention, and as shown in fig. 2, the device may further include a driving circuit 303 in addition to all the modules shown in fig. 1. The display screen 103 may further include a cover plate 201 positioned at the top and a display module 203 positioned under the cover plate.
The display module 203 comprises a liquid crystal layer 202 and a backlight layer, wherein holes are formed in the backlight layer, the liquid crystal layer above the holes forms the blind hole area, and the electric field circuit is arranged on an ITO glass layer at the outermost layer of the liquid crystal layer
The driving circuit 303 is disposed inside the camera 101 or on the display module 203, electrically connected to the electric field circuit, and configured to generate an electric field change by adjusting a voltage of the electric field circuit.
In this embodiment, the driving circuit 303 is electrically connected to a circuit board of the camera 101.
In this embodiment, the liquid crystal deflection in the blind hole region of the liquid crystal layer 202 can change the refractive index profile of the liquid crystal layer.
In this embodiment, the center of the blind hole area of the liquid crystal layer 202 is aligned with the center of the aperture of the backlight layer and the center of the lens of the camera 101, and the blind hole area of the liquid crystal layer 202 is larger than the aperture of the backlight layer.
In this embodiment, the lens of the camera 101 is located in the opening of the backlight layer.
Fig. 3 is a block diagram of an arrangement of an under-display-screen camera apparatus equipped with a gasket according to an embodiment of the present invention, and as shown in fig. 3, the apparatus may further include a gasket 102 in addition to all modules shown in fig. 1.
The seal ring 102 is disposed between the camera 101 and the display screen 103.
In this embodiment, the camera 101 may be a fixed focus camera.
In the present embodiment, the electric field generated by the electric field circuit covers the field angle range of the camera 101.
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.
In order to facilitate understanding of the technical solutions provided by the present invention, the following detailed description will be made with reference to embodiments of specific scenarios.
The optional embodiment of the invention can be applied to a mobile terminal self-photographing system, and the traditional focusing scheme is a camera independent system, has large volume, is not beneficial to ID modeling design and does not accord with the trend of comprehensive screen modeling. The design of the invention meets the modeling trend of the mainstream full-screen and improves the self-photographing effect.
The focusing scheme in the related art is that the camera is of an independent focusing structure, is large in size, is not beneficial to ID modeling design, and does not accord with the modeling trend of a comprehensive screen. The alternative embodiment of the invention realizes the focusing function without additionally increasing the size of the module.
The key technology of the optional embodiment of the invention is to realize the automatic focusing function by combining the camera and the screen assembly, save an independent focusing motor part, and have the advantages of small occupied space, no magnetic interference and the like.
Fig. 4 is a schematic diagram of a mobile terminal provided with an off-screen camera device according to an alternative embodiment of the present invention, which designs the design and layout of a screen and a camera module, as shown in fig. 4. By applying the technical scheme of the optional embodiment of the invention, the automatic focusing function of the camera is realized while the visual effect of the display screen is effectively improved, and the photographing experience of a user is improved.
The camera of the optional embodiment of the invention is positioned below the screen, the screen above the camera adopts a blind hole design, the liquid crystal layer and the glass are reserved in the blind hole, and the liquid crystal is independently controlled to be overturned and arranged by a driving circuit designed in the area of the liquid crystal opening and blind hole. The camera adopts fixed focusing design to install under the trompil, forms a brand-new system of focusing with trompil department liquid crystal layer, through circuit drive trompil department liquid crystal layer, control liquid crystal particle rotation angle, adjustment liquid crystal layer refractive index distribution realizes the focus effect, because there is not movable subassembly on the camera module, need not to design extra dodge the space, the screen trompil is little than traditional VCM scheme of focusing.
The optional embodiment of the invention is suitable for the design, development, production and manufacture of various terminal products with the camera shooting function.
Fig. 5 is a schematic structural stacking diagram of an off-screen camera device according to an alternative embodiment of the present invention, as shown in fig. 5, the lowest layer is a camera module 101 with fixed focusing, a display screen assembly 103 is arranged above the camera module 101, a blind hole is formed in the display screen assembly 103, and a lens of the camera module 101 is aligned with the blind hole. In addition, a seal ring 102 is disposed between the lens of the camera module 101 and the blind hole, and a cover glass and a touch module 104 are disposed on the display module 103.
Fig. 6 is a schematic cross-sectional view of an off-screen image capturing device according to an alternative embodiment of the invention, as shown in fig. 6, the top layer is a cover plate 201 for protecting a display screen, and a display module 204 is arranged under the cover plate 201, wherein the display module 204 sequentially comprises an ITO glass 202, a liquid crystal layer 202 and a backlight 205 from top to bottom. A blind hole is formed in the backlight 205, the camera 204 is located right below the blind hole, a lens of the camera 206 extends into the blind hole, and the camera 206 forms a shooting visual angle through the blind hole.
Fig. 7 is a schematic structural diagram of a single camera assembly according to an alternative embodiment of the present invention, as shown in fig. 7, including: lens 301, base 302, drive circuit 303, sensor 304, circuit board 305.
As shown in fig. 5, 6, and 7:
in this embodiment, the lens 301 may be a plastic lens, a glass lens, or a glass-plastic hybrid structure, and the number of lenses may be 2 or more than 2.
The camera 206 passes through the backlight 206 and is aligned with the display module 204 up and down, left and right, and keeps a relative position regulation.
An independent circuit is designed on the ITO glass 202 in the display module 204 right above the camera 206 to control the change of the electric field. The independent circuit is directly or indirectly connected to the circuit board 305 of the camera module 206 through the FPC of the display module 204, and is controlled by the driver chip 303. The driving chip 303 can be designed inside the camera or outside the camera or on the display module 204, and the independently controllable electric field covers the field angle range of the camera 206; the driving chip 303 adjusts different voltages at different focusing distances to change the electric field to drive the liquid crystal to deflect, and the light path of light passing through the liquid crystal module right above the camera is changed, so that the focusing function is realized.
The camera system realizes the focusing function without a voice coil motor, and has the advantages of high focusing speed, low power consumption, no motor magnetic interference and the like. And the size of the opening of the display module can be reduced.
It will be apparent to those skilled in the art that the various modules or steps of the invention described above may be implemented using a general purpose computing device, they may be centralized on a single computing device or distributed across a network of computing devices, and they may be implemented using program code executable by the computing devices, such that they may be stored in a memory device and executed by the computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into various integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A camera device under display screen, comprising: display screen and camera, it is regional to have seted up the blind hole on the display screen, the camera sets up the below in blind hole region, wherein, the display screen still includes electric field circuit, electric field circuit passes through electric field variation drive the regional liquid crystal deflection of blind hole in the display screen, in order to change to pass through the light path of the regional light of blind hole realizes focusing of camera.
2. The device of claim 1, wherein the display screen comprises an uppermost cover plate and a display module positioned under the cover plate, wherein,
the display module comprises a liquid crystal layer and a backlight layer, wherein the backlight layer is provided with an opening, the liquid crystal layer above the opening forms the blind hole area, and the electric field circuit is arranged on an ITO glass layer on the outermost layer of the liquid crystal layer.
3. The apparatus of claim 2, further comprising:
and the driving circuit is arranged inside the camera or on the display module, is electrically connected with the electric field circuit and is used for generating electric field change by adjusting the voltage of the electric field circuit.
4. A device according to claim 3, wherein liquid crystal deflection in the region of the blind holes in the liquid crystal layer alters the refractive index profile of the liquid crystal layer.
5. The apparatus of claim 1, wherein the camera is a fixed focus camera.
6. The device of claim 2, wherein the lens of the camera is located in an aperture of the backlight layer.
7. The apparatus of claim 1, wherein the electric field generated by the electric field circuit covers a field angle range of the camera.
8. The device of claim 2, wherein the center of the blind hole area of the liquid crystal layer is aligned with the center of the opening of the backlight layer and the center of the camera lens, and the blind hole area of the liquid crystal layer is larger than the opening of the backlight layer.
9. The apparatus of claim 1, further comprising:
and the sealing ring is arranged between the camera and the display screen.
10. The device of claim 3, wherein the drive circuit is electrically connected to a circuit board of the camera.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582904.5A CN113840057A (en) | 2020-06-23 | 2020-06-23 | Camera device under display screen |
| PCT/CN2021/094303 WO2021258921A1 (en) | 2020-06-23 | 2021-05-18 | Under-display screen camera device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582904.5A CN113840057A (en) | 2020-06-23 | 2020-06-23 | Camera device under display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113840057A true CN113840057A (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010582904.5A Pending CN113840057A (en) | 2020-06-23 | 2020-06-23 | Camera device under display screen |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113840057A (en) |
| WO (1) | WO2021258921A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116055596B (en) * | 2022-08-08 | 2023-10-20 | 荣耀终端有限公司 | Electronic equipment and manufacturing method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3982618B1 (en) * | 2017-04-25 | 2023-03-15 | Huawei Technologies Co., Ltd. | Electronic device with lcd display |
| CN108900672B (en) * | 2018-07-06 | 2021-05-04 | Oppo广东移动通信有限公司 | Electronic device and manufacturing method thereof |
| KR102603601B1 (en) * | 2018-08-13 | 2023-11-20 | 엘지디스플레이 주식회사 | Display device and manufacturing method of it |
| CN109545099B (en) * | 2018-11-22 | 2020-06-16 | 武汉华星光电技术有限公司 | Liquid crystal display panel and terminal device thereof |
| CN109491119A (en) * | 2018-11-30 | 2019-03-19 | 武汉华星光电技术有限公司 | Display panel and display device |
| CN109656049B (en) * | 2019-02-26 | 2020-12-08 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN110161749A (en) * | 2019-05-10 | 2019-08-23 | 武汉华星光电技术有限公司 | Applied to the panel device for shielding lower camera |
-
2020
- 2020-06-23 CN CN202010582904.5A patent/CN113840057A/en active Pending
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2021
- 2021-05-18 WO PCT/CN2021/094303 patent/WO2021258921A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2021258921A1 (en) | 2021-12-30 |
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