CN114527607A - Peep-proof display screen structure and preparation method thereof - Google Patents
Peep-proof display screen structure and preparation method thereof Download PDFInfo
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- CN114527607A CN114527607A CN202210239369.2A CN202210239369A CN114527607A CN 114527607 A CN114527607 A CN 114527607A CN 202210239369 A CN202210239369 A CN 202210239369A CN 114527607 A CN114527607 A CN 114527607A
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- grid structure
- liquid crystal
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- peep
- film
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application provides a peep-proof display screen structure and a preparation method thereof, which relates to the technical field of display, and solves the problem that the brightness and the touch sensitivity of a screen are influenced by the current peep-proof technology, the peep-proof display screen structure comprises a liquid crystal box, a black matrix film layer used for reducing light leakage is arranged in the liquid crystal box, a grid structure arranged in a matrix manner is arranged in the liquid crystal box, the grid structure comprises a plurality of blocking parts which are sequentially arranged along the first direction of the liquid crystal box, the blocking parts extend along the second direction perpendicular to the first direction, the blocking parts and a light blocking strip extending along the second direction are overlapped, and the grid structure further comprises a light transmission part between two adjacent blocking parts. The application can separate the light of the product in the large visual angle direction, reduce the visual range of the product screen, and simultaneously does not influence the brightness and the touch performance of the product screen.
Description
Technical Field
The application relates to the technical field of display, in particular to a peep-proof display screen structure and a preparation method thereof.
Background
When a personal handheld device such as a mobile phone is used in public places, the personal handheld device cannot be seen by people. With the wide popularity of large-screen smart phones and portable computers, it is even more impossible to ensure that private information is not peeped.
In order to avoid peeping, a mobile phone with a single-layer peep-proof film capable of converging light rays also exists in the current market, and the basic principle is that the peep-proof film is arranged on a mobile phone screen, and a louver type grid-shaped partition fence on the peep-proof film converges the light rays emitted by a display screen, so that an image on the mobile phone screen can be clearly seen only when the light rays are directly opposite to the mobile phone screen.
Peep-proof technique that uses at present on the market is cell-phone peep-proof membrane and the tempering protection film of PET substrate mainly has following problem point: the brightness and the touch sensitivity of the screen are influenced; reducing the resolution of the screen itself, etc.
Disclosure of Invention
The application provides a peep-proof display screen structure and a preparation method thereof, wherein the peep-proof display screen structure can obstruct light of a product in a large visual angle direction, reduce the visual range of a product screen and simultaneously does not influence the brightness and the touch performance of the product screen.
On the one hand, this application provides a peep-proof display screen structure, including the liquid crystal cell, be provided with the grid structure that black matrix rete and matrix were arranged in the liquid crystal cell, the grid structure includes a plurality of edges in proper order the separation portion that the first direction of liquid crystal cell was arranged and is set up, the perpendicular to is followed to separation portion the second direction of first direction extend set up and with the black matrix rete overlaps the setting, the grid structure still including being in two adjacent printing opacity portions between the separation portion.
In a possible implementation manner of the present application, the liquid crystal cell includes an array substrate, a liquid crystal film layer, a color film substrate, a second polarizing layer, and cover glass, which are sequentially stacked, where the array substrate includes N pixel units, and a distance between two adjacent blocking portions is a sum of widths of the N pixel units along the first direction, where N and N are both natural numbers, and N is less than N.
In a possible implementation manner of the present application, the grating structure is disposed on one side of the color film substrate.
In a possible implementation manner of the present application, the grating structure and the black matrix film layer are both disposed on the same side of the color film substrate.
In a possible implementation manner of the present application, the grating structure and the black matrix film layer are respectively disposed on different opposite sides of the color film substrate.
In a possible implementation manner of the present application, the grating structure is disposed on a side of the second polarizing layer close to the color film substrate, or the grating structure is disposed on a side of the second polarizing layer away from the color film substrate.
In a possible implementation manner of the present application, the grid structure is disposed on a side of the cover glass close to the second polarizing layer, or the grid structure is disposed on a side of the cover glass far away from the second polarizing layer.
In one possible implementation manner of the present application, a cross section of the blocking portion along the first direction is triangular, rectangular, or trapezoidal.
In one possible embodiment of the application, the barrier is made of a material that is opaque to light.
On the other hand, the application provides a preparation method of a peep-proof display screen structure, which comprises the following steps:
obtaining a substrate;
coating a barrier part film on the substrate, wherein the barrier part film is prepared from a black photoresist;
placing the substrate coated with the barrier part film into an exposure machine for exposure to obtain the exposed barrier part film;
and developing the exposed film of the blocking part on the substrate to form the blocking part and the light transmission part, wherein the blocking part and the light transmission part jointly form the grid structure.
Through set up the grid structure in the liquid crystal box in this application, when the display screen is luminous, the light of perpendicular to display screen direction launches from the printing opacity portion of grid structure, the light that is inclination with the display screen then is blockked along the separation portion that the first direction was arranged in the grid structure, thereby play the effect that reduces the visual scope of display screen, realize the peep-proof function, the separation portion of grid structure sets up in the liquid crystal box in this application and overlaps the setting with the black matrix rete, for traditional cell-phone peep-proof membrane and tempering protection film, when playing the peep-proof effect, can reduce the influence to the optics and the touch performance of display screen itself.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a peep-proof display screen structure provided in an embodiment of the present application;
FIG. 2 is an enlarged view of portion A of FIG. 1 of the present application;
fig. 3 is a schematic structural diagram of an embodiment of a peep-proof display screen structure provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of an embodiment of a peep-proof display screen structure provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of an embodiment of a peep-proof display screen structure provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of an embodiment of a peep-proof display screen structure provided in an embodiment of the present application;
fig. 7 is a schematic structural diagram of an embodiment of a peep-proof display screen structure provided in an embodiment of the present application;
fig. 8 is a schematic structural diagram of an embodiment of a peep-proof display screen structure provided in an embodiment of the present application;
fig. 9 is a schematic structural diagram of an embodiment of a peep-proof display screen structure provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
The embodiment of the application provides a peep-proof display screen structure and a preparation method thereof, which are respectively described in detail below.
As shown in fig. 1 and fig. 2, which are structural schematic diagrams of an embodiment of a privacy protection display panel structure in an embodiment of the present application, the privacy protection display panel structure includes a liquid crystal cell, a black matrix film layer 11 and a grid structure 8 arranged in a matrix are disposed in the liquid crystal cell, the grid structure 8 includes a plurality of blocking portions 9 arranged in sequence along a first direction of the liquid crystal cell, the blocking portions 9 extend along a second direction perpendicular to the first direction and overlap with the black matrix film layer 11, the first direction and the second direction are as shown by marks in fig. 1, and the grid structure 8 further includes a light-transmitting portion 10 between two adjacent blocking portions 9.
Through set up grid structure 8 in the liquid crystal box in this application, when the display screen is luminous, the light of perpendicular to display screen direction launches from grid structure 8's printing opacity portion 10, the light that is inclination with the display screen then blocks along the separation portion 9 of first direction arrangement in grid structure 8, thereby play the effect that reduces the visual scope of display screen, realize the peep-proof function, grid structure 8's separation portion 9 sets up in the liquid crystal box and overlaps with black matrix rete 11 and sets up in this application, for traditional cell-phone peep-proof membrane and tempering protection film, when playing the peep-proof effect, can reduce the influence to the optics and the touch performance of display screen itself.
The liquid crystal box comprises a backlight plate 1, a first polarizing layer 2, an array substrate 3, a liquid crystal film layer 4, a color film substrate 5, a second polarizing layer 6 and cover glass 7 which are sequentially stacked, wherein the array substrate 3 comprises N pixel units, the distance between two adjacent blocking parts 9 is the sum of the widths of the N pixel units along a first direction, N and N are natural numbers, and N is less than N.
In this embodiment, the array substrate 3 includes N pixel units, each pixel unit is several tens of micrometers, the size of the structural dimension of a single grating structure 8 may be on the order of a pixel, the pitch size between two adjacent barriers 9 is the sum of the widths of N pixel units along the first direction, N may be any natural number such as 1, 2, and 3, that is, the size of the structural dimension of a single grating structure 8 may be equal to the size of a pixel unit, or may be equal to the size of the N pixel units together. Illustratively, when the size of each pixel unit is 20 micrometers, the structural size of the single grid structure 8 may be 20 micrometers, or may be a size formed by 3 pixel units together, i.e. 60 micrometers.
In the present embodiment, as shown in fig. 2, the size of the barrier portions 9 of the lattice structure 8 is the same as the size of the black matrix film layer 11. The size of separation portion 9 is the same with the size of black matrix rete 11, and separation portion 9 and the overlapping design of black matrix rete 11 on the structural design for grid structure 8 can not influence the touch-control of screen simultaneously, also can not reduce the luminance of product.
In the present embodiment, the barrier section 9 is made of a light-impermeable material, and specifically, a material used for the black matrix film layer 11, for example, a carbon black-based black matrix material, or a light-impermeable resin material may be used for the barrier section 9.
In this embodiment, as shown in fig. 1, the cross section of the blocking portion 9 along the first direction may be rectangular, or as shown in fig. 3 or 4, the cross section of the blocking portion 9 along the first direction may be triangular or trapezoidal. The shape of the blocking portion 9 may be set according to different requirements, and the shape of the blocking portion 9 is not particularly limited in this embodiment.
In another embodiment of the present application, the grating structure 8 may be disposed on any one of the color film substrate 5, the second polarizing layer 6, or the cover glass 7. As shown in fig. 1, a grating structure 8 is disposed on one side of the color filter substrate 5, and the grating structure 8 and the black matrix film layer 11 are both disposed on the same side of the color filter substrate 5.
In another embodiment of the present application, as shown in fig. 5, the grating structure 8 and the black matrix film layer 11 are respectively disposed on different opposite sides of the color filter substrate 5.
In another embodiment of the present application, as shown in fig. 6, the grating structure 8 is disposed on a side of the second polarizing layer 6 close to the color filter substrate 5, or as shown in fig. 7, the grating structure 8 is disposed on a side of the second polarizing layer 6 away from the color filter substrate 5.
In another embodiment of the application, the grid structure 8 is arranged on the side of the cover glass 7 close to the second polarizing layer 6, as shown in fig. 8, or the grid structure 8 is arranged on the side of the cover glass 7 remote from the second polarizing layer 6, as shown in fig. 9.
In another embodiment of the present application, the present application provides a method for manufacturing a privacy screen structure, including:
obtaining a substrate, in this embodiment, the substrate may be a color film substrate 5, a second polarizing layer 6 or cover glass 7;
coating a barrier part 9 film on the substrate, wherein the barrier part 9 film is prepared from a black photoresist;
placing the substrate coated with the barrier part 9 film into an exposure machine for exposure to obtain an exposed barrier part 9 film;
the exposed film of the barrier portion 9 on the substrate is developed to form the barrier portion 9 and the light transmitting portion 10, and the barrier portion 9 and the light transmitting portion 10 together form the lattice structure 8.
In this embodiment, the manufacturing process of the grid structure 8 is similar to the process flows of the black matrix, the pixel unit and the like, the processing precision is high, the shape of the grid structure 8 is better, in addition, the operability is strong for panel manufacturing, no additional new process needs to be added, meanwhile, because the manufacturing process of the grid structure 8 is similar to the black matrix, in the manufacturing process of the grid structure 8, the aperture opening ratio of the screen cannot be influenced, the penetration of the product cannot be influenced, and therefore, the brightness of the product cannot be reduced, in addition, because the grid structure 8 is integrated into the liquid crystal box, the Touch function of the display screen cannot be influenced below the Touch panel (Touch panel, TP).
The peep-proof display screen structure and the preparation method thereof provided by the embodiment of the application are described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. The peep-proof display screen structure is characterized by comprising a liquid crystal box, wherein a black matrix film layer and a grid structure arranged in a matrix mode are arranged in the liquid crystal box, the grid structure comprises a plurality of blocking parts which are sequentially arranged in a first direction of the liquid crystal box, the blocking parts extend in a second direction perpendicular to the first direction and are overlapped with the black matrix film layer, and the grid structure further comprises light transmission parts between the two adjacent blocking parts.
2. The privacy screen structure of claim 1, wherein the liquid crystal cell comprises an array substrate, a liquid crystal film layer, a color film substrate, a second polarizing layer and cover glass, which are sequentially stacked, the array substrate comprises N pixel units, and a distance between two adjacent barriers is equal to a sum of widths of the N pixel units along the first direction, where N and N are both natural numbers and N is less than N.
3. The privacy screen structure of claim 2, wherein the grid structure is disposed on one side of the color filter substrate.
4. The privacy screen structure of claim 3, wherein the grid structure and the black matrix film layer are both disposed on the same side of the color filter substrate.
5. The privacy screen structure of claim 3, wherein the grid structure and the black matrix film layer are disposed on different opposite sides of the color filter substrate.
6. The privacy screen structure of claim 2, wherein the grid structure is disposed on a side of the second polarizing layer close to the color filter substrate, or the grid structure is disposed on a side of the second polarizing layer away from the color filter substrate.
7. The privacy screen structure of claim 2, wherein the grid structure is disposed on a side of the cover glass that is proximate to the second polarizing layer or the grid structure is disposed on a side of the cover glass that is distal to the second polarizing layer.
8. The privacy screen structure of claim 2, wherein the barrier portion is triangular, rectangular, or trapezoidal in cross-section in the first direction.
9. The privacy screen construction of claim 2, wherein the barrier is constructed of a material that is opaque to light.
10. A preparation method of a peep-proof display screen structure is characterized by comprising the following steps:
obtaining a substrate;
coating a barrier part film on the substrate, wherein the barrier part film is prepared from a black photoresist;
placing the substrate coated with the barrier part film into an exposure machine for exposure to obtain the exposed barrier part film;
and developing the exposed film of the blocking part on the substrate to form the blocking part and the light transmission part, wherein the blocking part and the light transmission part jointly form the grid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210239369.2A CN114527607A (en) | 2022-03-11 | 2022-03-11 | Peep-proof display screen structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210239369.2A CN114527607A (en) | 2022-03-11 | 2022-03-11 | Peep-proof display screen structure and preparation method thereof |
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| CN114527607A true CN114527607A (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210239369.2A Pending CN114527607A (en) | 2022-03-11 | 2022-03-11 | Peep-proof display screen structure and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946889A (en) * | 2017-11-24 | 2019-06-28 | 天马日本株式会社 | Display device |
| CN110137237A (en) * | 2019-06-06 | 2019-08-16 | 京东方科技集团股份有限公司 | Peep-proof device and display device |
| CN111240082A (en) * | 2020-03-18 | 2020-06-05 | 京东方科技集团股份有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN112764259A (en) * | 2021-01-05 | 2021-05-07 | 惠州市华星光电技术有限公司 | Display panel and preparation method thereof |
| CN113064290A (en) * | 2021-03-25 | 2021-07-02 | 深圳市华星光电半导体显示技术有限公司 | Peep-proof structure, display device and peep-proof method |
-
2022
- 2022-03-11 CN CN202210239369.2A patent/CN114527607A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946889A (en) * | 2017-11-24 | 2019-06-28 | 天马日本株式会社 | Display device |
| CN110137237A (en) * | 2019-06-06 | 2019-08-16 | 京东方科技集团股份有限公司 | Peep-proof device and display device |
| CN111240082A (en) * | 2020-03-18 | 2020-06-05 | 京东方科技集团股份有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN112764259A (en) * | 2021-01-05 | 2021-05-07 | 惠州市华星光电技术有限公司 | Display panel and preparation method thereof |
| CN113064290A (en) * | 2021-03-25 | 2021-07-02 | 深圳市华星光电半导体显示技术有限公司 | Peep-proof structure, display device and peep-proof method |
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