CN112035019B - Display screen and electronic equipment - Google Patents
Display screen and electronic equipment Download PDFInfo
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- CN112035019B CN112035019B CN202011097877.9A CN202011097877A CN112035019B CN 112035019 B CN112035019 B CN 112035019B CN 202011097877 A CN202011097877 A CN 202011097877A CN 112035019 B CN112035019 B CN 112035019B
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- film layer
- convex surface
- display screen
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- concave
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- 239000010408 film Substances 0.000 claims description 112
- 239000010409 thin film Substances 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 238000003475 lamination Methods 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 97
- 239000000463 material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the invention relates to the technical field of display, and discloses a display screen and electronic equipment. In an embodiment of the present invention, a display screen includes: the first film layer, the second film layer and the third film layer are sequentially stacked; the second film layer comprises a first convex surface protruding towards the first film layer and a second convex surface protruding towards the third film layer; the first film layer comprises a first concave surface which is concave towards a direction far away from the second film layer, and the first convex surface is attached to the first concave surface; the third film layer comprises a second concave surface which is concave towards a direction far away from the second film layer, and the second convex surface is attached to the second concave surface; the display screen is provided with a blind hole for accommodating the camera, and the first convex surface and the second convex surface are opposite to the blind hole. The display screen and the electronic equipment provided by the invention can improve the imaging quality of the equipment.
Description
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display screen and electronic equipment.
Background
At present, two schemes are more used for a mobile phone screen, one is a water drop screen, and the other is a blind hole screen. Blind hole screens are increasingly being used to increase the screen duty cycle. In the prior art, a blind hole is used for holding the camera, leads to light to be through the multilayer structure of display screen before reaching the camera for camera actual focal length and focus are not in the settlement position, influence the imaging quality of equipment.
Therefore, there is a need to provide a new display structure to solve the above technical problems.
Disclosure of Invention
The embodiment of the invention aims to provide a display screen and electronic equipment, which can enable the actual focal length of a camera to be consistent with the focal length preset in product design (namely, the actual focal point is consistent with the focal point preset in product design), and improve the imaging quality of the equipment.
In order to solve the above technical problems, an embodiment of the present invention provides a display screen, including: the first film layer, the second film layer and the third film layer are sequentially stacked; the second film layer comprises a first convex surface protruding towards the first film layer and a second convex surface protruding towards the third film layer; the first film layer comprises a first concave surface which is concave towards a direction far away from the second film layer, and the first convex surface is attached to the first concave surface; the third film layer comprises a second concave surface which is concave towards a direction far away from the second film layer, and the second convex surface is attached to the second concave surface; the display screen is provided with a blind hole for accommodating the camera, and the first convex surface and the second convex surface are opposite to the blind hole.
The embodiment of the invention also provides electronic equipment, which comprises: the display screen and the camera are positioned in the blind hole of the display screen.
Compared with the prior art, the embodiment of the invention can compensate the problem of the prior art that the focal length is increased due to the deformation of the first film layer, the second film layer and the third film layer because the second film layer comprises the first convex surface protruding towards the first film layer and the second convex surface protruding towards the third film layer, namely, the second convex surface is equivalent to a convex lens, according to the principle of condensing light by the convex lens (reducing the focal length), thereby avoiding the direction of light received by the camera arranged in the blind hole from being changed when the light passes through the display screen, enabling the actual focal length of the camera to be consistent with the focal length preset when the product is designed (namely, the actual focal point is consistent with the focal point preset when the product is designed), and improving the imaging quality.
In addition, the refractive index of the first film layer and the refractive index of the third film layer are smaller than the refractive index of the second film layer.
In addition, in the lamination direction of the first film layer, the second film layer and the third film layer, a distance between a highest point of the first convex surface and a lowest point of the second convex surface is 0.2 mm to 0.28 mm. So set up, the second rete is to the effect of gathering of light, the focus grow problem that leads to because of first rete, second rete and third rete deformation among the compensation prior art that can be better for the focus of camera reality is more unanimous with the focus of predetermineeing in the product design.
In addition, the second film layer includes: the first region is provided with the first convex surface and the second convex surface, and the second region is connected with the first region, is flat plate-shaped, and has a thickness of 0.15 to 0.25 mm.
In addition, in the lamination direction of the first film layer, the second film layer and the third film layer, the projection of the first convex surface and the projection of the second convex surface overlap.
In addition, in the lamination direction of the first film layer, the second film layer and the third film layer, the projection of the first convex surface and the projection of the second convex surface are overlapped with the projection of the bottom wall of the blind hole.
In addition, the first film layer is a thin film transistor layer, the second film layer is a liquid crystal layer, and the third film layer is a color filter.
In addition, the display screen further includes: and the blind holes penetrate through the backlight layer.
In addition, the display screen further includes: and the blind holes penetrate through the first polaroid to expose the thin film transistor layer.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
Fig. 1 is a schematic structural diagram of a display screen according to a first embodiment of the present invention;
FIG. 2 is an optical schematic diagram of a first film layer, a second film layer and a third film layer according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to a second embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present invention, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
A first embodiment of the present invention relates to a display 100, as shown in fig. 1, comprising: the first film layer 11, the second film layer 12 and the third film layer 13 are stacked in sequence, the second film layer 12 comprises a first convex surface 121 protruding towards the first film layer 11 and a second convex surface 122 protruding towards the third film layer 13, the first film layer 11 comprises a first concave surface 111 recessed towards the direction far away from the second film layer 12 and a first plane 112 opposite to the first concave surface 111, the first convex surface 121 is attached to the first concave surface 111, the third film layer 13 comprises a second concave surface 131 recessed towards the direction far away from the second film layer 12 and a second plane 132 opposite to the second concave surface 131, the second convex surface 122 is attached to the second concave surface 131, a blind hole 14 for accommodating a camera is formed in the display screen 100, and the first convex surface 121 and the second convex surface 122 are opposite to the blind hole 14.
As shown in fig. 2, the light is vertically incident on the second plane 132, the direction is not deviated, and enters the third film 13, then is obliquely incident on the second convex surface 122 (i.e. the second concave surface 131), and is converged for the first time, enters the second film 12, then is obliquely incident on the first convex surface 121 (i.e. the first concave surface 111), is converged for the second time, enters the first film 11, finally is obliquely incident on the first plane 112, and is slightly diverged (the divergence is negligible for the whole convergence of the light), and finally, is converged at the focal point S on the optical axis O.
Specifically, the refractive index of the first film 11 and the refractive index of the third film 13 may be smaller than those of the second film 12, so that the light is incident from the optically dense medium to the optically dense medium when passing through the first convex surface 121 (i.e. the first concave surface 111), and is incident from the optically dense medium to the optically dense medium when passing through the second convex surface 122 (i.e. the second concave surface 131), thereby better light focusing effect can be achieved.
In the stacking direction X of the first film layer 11, the second film layer 12 and the third film layer 13, the distance between the highest point of the first convex surface 121 and the lowest point of the second convex surface 122 is 0.2 mm to 0.28 mm, so that the second film layer 12 can better compensate the problem of the prior art that the focal length is increased due to the deformation of the first film layer 11, the second film layer 12 and the third film layer 13 due to the convergence of light, so that the actual focal length of the camera is more consistent with the focal length preset in the product design.
Further, the second film layer 12 may include: a first region 123 having a first convex surface 121 and a second convex surface 122 (a region facing the bottom of the blind hole 14, i.e., a region facing the camera), and a second region 124 connected to the first region 123 (other regions where the camera is not provided and provided around the first region 123), the second region 124 being flat-plate-shaped, and the thickness of the second region 124 (the dimension in the lamination direction X of the first film layer 11, the second film layer 12, and the third film layer 13) being 0.15 mm to 0.25 mm.
In order to ensure the effect of the convex lens of the second film layer 12, the projection of the first convex surface 121 and the projection of the second convex surface 122 may be overlapped in the lamination direction X of the first film layer 11, the second film layer 12, and the third film layer 13.
In order to make the light received by the camera corrected, further, in the stacking direction X of the first film layer 11, the second film layer 12 and the third film layer 13, the projection of the first convex surface 121 and the projection of the second convex surface 122 may both coincide with the projection of the bottom wall of the blind hole 14.
In practical applications, the first film layer 11 may be a thin film transistor layer, the second film layer 12 may be a liquid crystal layer, the third film layer 13 may be a color filter, the thin film transistor layer is used for controlling a circuit of each pixel, and a material of the color filter may be glass) for providing RGB colors.
In the process of manufacturing the display 100, the first film 11 having the first concave surface 111 and the third film 13 having the second concave surface 131 may be manufactured (a mold injection molding process may be used), and since the liquid crystal layer is in a semi-liquid state, when the liquid crystal material is placed between the first concave surface 111 and the second concave surface 131, the liquid crystal layer having the first convex surface 121 bonded to the first concave surface 111 and the second convex surface 122 bonded to the second concave surface 131 may be naturally formed.
As described above, in order to ensure the effect of the convex lens of the second film layer 12, in the stacking direction X of the first film layer 11, the second film layer 12 and the third film layer 13, the projection of the first convex surface 121 and the projection of the second convex surface 122 may be overlapped, and correspondingly, when the first film layer 11 and the third film layer 13 are combined, the coordinates of the round hole (the boundary between the first concave surface 111 and the second concave surface 131) may be collected, so as to ensure that the combined alignment of the first concave surface 111 and the second concave surface 131 is accurate.
Specifically, the display 100 may further include: the backlight layer 15 is located at one side of the thin film transistor layer far away from the liquid crystal layer, the blind holes 14 penetrate through the backlight layer 15, and the backlight layer 15 can be made of a rubber material for providing a light source for the display panel.
Further, the display screen 100 may further include: the first polarizer 16 is located between the thin film transistor layer and the backlight layer 15, and the blind holes 14 penetrate through the first polarizer 16 to expose the thin film transistor layer, and the polarizer may be a PE material (polyethylene material) for polarizing light.
In practical applications, the display 100 may further include: the second polaroid 17 positioned between the color filters and the liquid crystal layer, the cover plate 18 positioned on one side of the second polaroid 17 and far from the color filters, and the optical adhesive layer 19 positioned between the cover plate 18 and the second polaroid 17, wherein the position of the second polaroid 17, which is opposite to the blind holes 14, is provided with through holes, and the optical adhesive layer 19 is filled with the through holes. The material of the cover plate 18 may be glass for protecting the screen, the material of the second polarizer 17 is similar to that of the first polarizer 16, and the material of the optical adhesive layer 19 may be soft glass for adhering the cover plate 18 and the second polarizer 17.
Optionally, the display screen 100 may further include: the light shielding layer 20 is positioned on the inner wall of the blind hole 14, so that stray light is prevented from entering the camera, and imaging quality is improved.
Compared with the prior art, the second film layer 12 includes the first convex surface 121 protruding toward the first film layer 11 and the second convex surface 122 protruding toward the third film layer 13, that is, the second convex surface is equivalent to a convex lens, and according to the principle of condensing light by the convex lens (making the focal length smaller), the problem of enlarging the focal length caused by deformation of the first film layer 11, the second film layer 12 and the third film layer 13 in the prior art can be compensated, so that the direction of light received by the camera arranged in the blind hole 14 is changed when the light passes through the display screen 100, the actual focal length of the camera is consistent with the focal length preset when the product is designed (that is, the actual focal length is consistent with the focal position preset when the product is designed), and the imaging quality is improved.
A second embodiment of the present invention relates to an electronic device, as shown in fig. 3, including: a display screen 100 as described above, and a camera 200 positioned within the blind hole 14 of the display screen 100. In addition, as will be understood by those skilled in the art, the technical details in the first embodiment still apply in this embodiment, and this embodiment can achieve similar technical effects as those in the first embodiment, and will not be described herein.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the invention and that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A display screen, comprising: the first film layer, the second film layer and the third film layer are sequentially stacked;
the second film layer comprises a first convex surface protruding towards the first film layer and a second convex surface protruding towards the third film layer;
the first film layer comprises a first concave surface which is concave towards a direction far away from the second film layer, and the first convex surface is attached to the first concave surface;
the third film layer comprises a second concave surface which is concave towards a direction far away from the second film layer, and the second convex surface is attached to the second concave surface;
the display screen is provided with a blind hole for accommodating the camera, and the first convex surface and the second convex surface are opposite to the blind hole;
the first film layer is a thin film transistor layer, the second film layer is a liquid crystal layer, and the third film layer is a color filter.
2. The display screen of claim 1, wherein the refractive index of the first film layer and the refractive index of the third film layer are both less than the refractive index of the second film layer.
3. The display screen according to claim 1, wherein a distance between a highest point of the first convex surface and a lowest point of the second convex surface in a lamination direction of the first film layer, the second film layer, and the third film layer is 0.2 mm to 0.28 mm.
4. The display screen of claim 1, wherein the second film layer comprises: the first region is provided with the first convex surface and the second convex surface, and the second region is connected with the first region, is flat plate-shaped, and has a thickness of 0.15 to 0.25 mm.
5. The display screen of claim 1, wherein a projection of the first convex surface and a projection of the second convex surface coincide in a lamination direction of the first film layer, the second film layer, and the third film layer.
6. The display screen of claim 5, wherein in a stacking direction of the first film layer, the second film layer, and the third film layer, a projection of the first convex surface and a projection of the second convex surface each coincide with a projection of a bottom wall of the blind hole.
7. The display screen of claim 1, further comprising: and the blind holes penetrate through the backlight layer.
8. The display screen of claim 7, further comprising: and the blind holes penetrate through the first polaroid to expose the thin film transistor layer.
9. An electronic device, comprising: a display screen according to any one of claims 1 to 8, and a camera located within a blind hole of the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097877.9A CN112035019B (en) | 2020-10-14 | 2020-10-14 | Display screen and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097877.9A CN112035019B (en) | 2020-10-14 | 2020-10-14 | Display screen and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112035019A CN112035019A (en) | 2020-12-04 |
| CN112035019B true CN112035019B (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011097877.9A Active CN112035019B (en) | 2020-10-14 | 2020-10-14 | Display screen and electronic equipment |
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| Country | Link |
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| CN (1) | CN112035019B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201539057A (en) * | 2014-04-15 | 2015-10-16 | Nitto Denko Corp | Polarizer and image display device |
| CN108449531A (en) * | 2018-03-26 | 2018-08-24 | 京东方科技集团股份有限公司 | Suspension touch control camera module, electronic equipment and touch control method |
| CN209356799U (en) * | 2019-03-19 | 2019-09-06 | 北京京东方显示技术有限公司 | A kind of display device and electronic equipment |
| CN110649081A (en) * | 2019-09-30 | 2020-01-03 | 武汉天马微电子有限公司 | Display panel, preparation method and display device |
| CN111025717A (en) * | 2019-12-12 | 2020-04-17 | 武汉华星光电技术有限公司 | Liquid crystal display panel and electronic device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012185239A (en) * | 2011-03-03 | 2012-09-27 | Fujifilm Corp | Lens, lens array, and method of manufacturing lens |
| US10614283B2 (en) * | 2017-03-07 | 2020-04-07 | Shenzhen GOODIX Technology Co., Ltd. | Devices with peripheral task bar display zone and under-LCD screen optical sensor module for on-screen fingerprint sensing |
-
2020
- 2020-10-14 CN CN202011097877.9A patent/CN112035019B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201539057A (en) * | 2014-04-15 | 2015-10-16 | Nitto Denko Corp | Polarizer and image display device |
| CN108449531A (en) * | 2018-03-26 | 2018-08-24 | 京东方科技集团股份有限公司 | Suspension touch control camera module, electronic equipment and touch control method |
| CN209356799U (en) * | 2019-03-19 | 2019-09-06 | 北京京东方显示技术有限公司 | A kind of display device and electronic equipment |
| CN110649081A (en) * | 2019-09-30 | 2020-01-03 | 武汉天马微电子有限公司 | Display panel, preparation method and display device |
| CN111025717A (en) * | 2019-12-12 | 2020-04-17 | 武汉华星光电技术有限公司 | Liquid crystal display panel and electronic device |
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| CN112035019A (en) | 2020-12-04 |
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