CN116935750B - Peep-proof display cover plate - Google Patents
Peep-proof display cover plate Download PDFInfo
- Publication number
- CN116935750B CN116935750B CN202310998552.5A CN202310998552A CN116935750B CN 116935750 B CN116935750 B CN 116935750B CN 202310998552 A CN202310998552 A CN 202310998552A CN 116935750 B CN116935750 B CN 116935750B
- Authority
- CN
- China
- Prior art keywords
- light
- layer
- peep
- proof
- display cover
- Prior art date
- 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.)
- Active
Links
- 239000010410 layer Substances 0.000 claims abstract description 71
- 235000012431 wafers Nutrition 0.000 claims abstract description 45
- 239000012790 adhesive layer Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 208000008918 voyeurism Diseases 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 125000005396 acrylic acid ester group Chemical group 0.000 claims 1
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 1
- -1 acrylic ester Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a peep-proof display cover plate, which relates to the field of peep-proof display and comprises a protective layer, a peep-proof layer, a base material layer, an adhesive layer and a release film layer. According to the invention, the peep-proof layer is provided with the plurality of light-transmitting plates, the light-guiding wafers are arranged in the light-transmitting plates, when light emitted from the display screen can pass through the light-transmitting plates and the light-guiding wafers and propagate into the air, the peep-proof layer can not produce a blocking effect on the light, the display cover plate does not have the peep-proof effect, when a user needs to use the peep-proof function, the user sends out instructions to the display screen, so that white light is emitted from two ends of the display screen, and is refracted into the light-guiding wafers through the light-reflecting wafers, the light-guiding wafers are subjected to the action of the white light to block the light propagation with contents on the display screen, and the two sides of the display cover plate can not see the contents on the display screen, so that the device has the peep-proof function, and the user can adjust the peep-proof function of the device according to actual requirements, thereby facilitating the use of the user.
Description
Technical Field
The invention relates to the field of peep-proof display, in particular to a peep-proof display cover plate.
Background
When people browse information through screens of electronic products such as computers and mobile phones, the information is easy to acquire by other people due to the large visual angle of the current screens, and especially for some confidential information, users do not want the information to be seen by other people, so that the peep-proof display cover plate is generated.
The principle of the peep-proof display cover plate is similar to that of a shutter, the shutter can stop external vision while lighting through the concave-convex surfaces of the blades and the rotation of the blades, the peep-proof screen reduces the structure of the shutter by tens of thousands times, the control of the visible angle of the screen is realized through the parallel arranged grating structure, and when light vertically enters the peep-proof film, the peep-proof screen can be transmitted without obstruction; with the increase of the incident angle of the light, the light is gradually blocked by the shutter structure, and the transmitted light is reduced, so that only a user facing the screen can receive enough light to see the screen clearly, and a viewer at a certain angle with the screen receives weaker light, and looks like a black paint.
Although the traditional peep-proof display cover plate can play a peep-proof function, the peep-proof effect is irreversible, and when a user needs to share screen contents to nearby people, the peep-proof display cover plate can play a role in obstructing the sharing of the user.
Therefore, it is necessary to invent a peep-proof display cover plate to solve the above problems.
Disclosure of Invention
The present invention is directed to a peep-proof display cover plate, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the peep-proof display cover plate comprises a protective layer, a peep-proof layer, a substrate layer, an adhesive layer and a release film layer, wherein the protective layer, the peep-proof layer, the substrate layer, the adhesive layer and the release film layer are sequentially arranged from top to bottom;
the anti-peeping device comprises an anti-peeping layer, and is characterized in that a plurality of light-transmitting plates are arranged on the upper surface of the anti-peeping layer, light guide wafers are arranged in the light-transmitting plates, grooves are formed in two sides of the light-transmitting plates, cavities are formed in two ends of the anti-peeping layer, reflecting wafers are arranged on the inner walls of the top ends of the cavities, the reflecting wafers correspond to one ends of the light-transmitting plates, and the reflecting wafers are of an inclined structure;
The anti-peeping device comprises a cavity, and is characterized in that light-transmitting wafers are arranged at two ends of the lower surface of the anti-peeping layer and arranged at the bottom end of the cavity, and light-shielding sheets are arranged at two ends of the upper surface of the anti-peeping layer and correspond to the cavity.
Preferably, the material of the protective layer is one of UV resin, PVC or PP.
Preferably, the material of the substrate layer is one of PE material, PP material or PET material.
Preferably, the adhesive layer is made of one of an acrylic adhesive layer, a PU adhesive layer or an organic silicon adhesive layer, and the thickness of the adhesive layer is 20-100 mu m.
Preferably, the release film layer is one of a silicon release film and a fluorine release film, and release paper is arranged on the outer side of the release film layer.
Preferably, the number of the light-transmitting plates is plural, the spacing between the light-transmitting plates is 0.02-0.1mm, and the inclination angle of the reflecting wafer is 40-50 degrees.
Preferably, the lower surface of the adhesive layer is provided with air exhaust grooves, the air exhaust grooves are arranged in a grid-shaped structure, and the inner diameter of each air exhaust groove is set to be 0.01-0.03mm.
The invention has the technical effects and advantages that:
1. According to the invention, the peep-proof layer is arranged, the plurality of light-transmitting plates are arranged on the peep-proof layer, the light guide wafers are arranged in the light-transmitting plates, when light rays emitted from the display screen can pass through the light-transmitting plates and the light guide wafers and are transmitted to the air, the peep-proof layer can not produce a blocking effect on the light rays, the display cover plate does not have the peep-proof effect, when a user needs to use the peep-proof function, the user sends out instructions to the display screen, so that white light is emitted from two ends of the display screen, the white light is refracted into the light guide wafers through the light-reflecting wafers, the light transmission of the content on the display screen is blocked by the light guide wafers under the action of the white light, and the content on the display screen can not be seen from two sides of the display cover plate, so that the device has the peep-proof function, and the peep-proof function of the device can be adjusted by the user according to actual needs, so that the user can conveniently use the display cover plate;
2. According to the invention, the adhesive layer is arranged, so that the display cover plate is conveniently attached to the surface of the display screen, the air exhaust groove is formed in the lower surface of the adhesive layer, when the adhesive layer is attached to the surface of the display screen, air bubbles between the adhesive layer and the display screen can be exhausted along the air exhaust groove, and the air exhaust groove is in a grid-shaped structure, so that the air bubbles can be exhausted from multiple directions in a dispersed manner, and the influence of the existence of the air bubbles on the observation of the content on the display screen by a user through the display cover plate can be avoided;
3. According to the invention, the protective layer, the peep-proof layer, the substrate layer, the adhesive layer and the release film layer are arranged, so that the protective effect on the outermost layer of the display cover plate can be realized by the protective layer, the service life of the display cover plate is prolonged, the adhesive layer is convenient to adhere between the display cover plate and the display screen, and the release film layer can realize the protection on the adhesive layer, so that the problem that the adhesive layer falls off in the production, transportation and sales processes of the peep-proof display cover plate is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic side view of the structure of the peep-proof layer of the present invention.
Fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present invention.
Fig. 4 is a schematic side sectional view of the structure of the peep-proof layer of the present invention.
Fig. 5 is an enlarged schematic view of the structure of fig. 4B according to the present invention.
FIG. 6 is a schematic diagram of an exhaust slot according to the present invention.
Fig. 7 is a schematic view of a transparent state of the peep-proof layer structure of the present invention.
Fig. 8 is a schematic view of a light blocking state of the peep-proof layer structure of the present invention.
FIG. 9 is a schematic view of a light path through a reflective wafer according to the present invention.
In the figure: 1. a protective layer; 2. an anti-peeping layer; 3. a substrate layer; 4. an adhesive layer; 5. a release film layer; 6. a light-transmitting plate; 7. a light guide wafer; 8. a groove; 9. a cavity; 10. a reflective wafer; 11. a light-transmitting wafer; 12. a light shielding sheet; 13. and an exhaust groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a peep-proof display cover plate as shown in fig. 1-9, which comprises a protective layer 1, a peep-proof layer 2, a substrate layer 3, an adhesive layer 4 and a release film layer 5, wherein the protective layer 1, the peep-proof layer 2, the substrate layer 3, the adhesive layer 4 and the release film layer 5 are sequentially arranged from top to bottom;
Specifically, the material of the protective layer 1 is one of UV resin, PVC or PP, the material of the base material layer 3 is one of PE material, PP material or PET material, the material of the adhesive layer 4 is one of an acrylic ester adhesive layer, a PU adhesive layer or an organic silicon adhesive layer, the thickness of the adhesive layer 4 is 20-100 μm, the release film layer 5 is one of a silicon release film and a fluorine release film, release paper is arranged on the outer side of the release film layer 5, and the release paper can protect the adhesive layer 4 so as to ensure that the anti-peeping display cover plate can be adhered to the surface of the display screen when the adhesive layer 4 is used;
More specifically, the upper surface of the peep-proof layer 2 is provided with a plurality of light-transmitting plates 6, the inside of each light-transmitting plate 6 is provided with a light guide wafer 7, both sides of each light-transmitting plate 6 are provided with grooves 8, both ends of each peep-proof layer 2 are provided with cavities 9, the inner wall of the top end of each cavity 9 is provided with a light reflecting wafer 10, the light reflecting wafers 10 correspond to one end of each light-transmitting plate 6, the light reflecting wafers 10 are arranged into an inclined structure, the inclination angle of the light reflecting wafers 10 is 40-50 degrees, and the arrangement of the inclined structure ensures that the light reflecting lenses 10 can reflect white light to the light guide wafers 7;
In addition, the two ends of the lower surface of the peep-proof layer 2 are respectively provided with a light-transmitting wafer 11, the light-transmitting wafers 11 are arranged at the bottom ends of the cavities 9, the two ends of the upper surface of the peep-proof layer 2 are respectively provided with a light shielding sheet 12, the light shielding sheets 12 correspond to the cavities 9, and the light shielding sheets 12 can shield white light emitted from the two ends of the display screen so as to avoid the white light from affecting the look and feel of a user;
Furthermore, the number of the light-transmitting plates 6 is plural, the spacing between the light-transmitting plates 6 is 0.02-0.1mm, the light can be scattered outwards through the light-transmitting plates 6, and the light-transmitting plates 6 can play a supporting role on the light-guiding wafer 7;
further, the lower surface of the adhesive layer 4 is provided with the air vent 13, the air vent 13 is provided with a grid structure, the inner diameter of the air vent 13 is set to be 0.01-0.03mm, when the adhesive layer 2 is adhered to the surface of the display screen, air bubbles between the adhesive layer 2 and the display screen can be discharged along the air vent 13, and the air bubbles can be discharged from multiple directions in a dispersed manner due to the arrangement of the air vent 13 with the grid structure, so that the influence of the existence of the air bubbles on the user to observe the content on the display screen through the display cover plate can be avoided.
When the anti-peeping display cover plate is used, release paper on the release film layer 5 is torn off, the adhesive layer 4 is exposed on the outer side of the anti-peeping display cover plate, the anti-peeping display cover plate is aligned and placed on the surface of the display screen, the anti-peeping display cover plate can be adhered to the surface of the display screen through the adhesive layer 4, and the installation of the anti-peeping display cover plate can be completed;
In the use process of the invention, when a user does not need to use the peep-proof function of the peep-proof layer 2, the display screen normally displays content, at the moment, the image content on the display screen is transmitted outwards through light rays, the light rays sequentially pass through the adhesive layer 4, the base material layer 3, the peep-proof layer 2 and the protective layer 1, the user can see the image on the display screen from multiple angles, when the light rays pass through the peep-proof layer 2, the light rays directly pass through the light-transmitting plate 6 and the light-guiding wafer 7, the light-guiding wafer 7 at the moment is in a transparent state, and the light rays can directly pass through the light-guiding wafer 7, and at the moment, the peep-proof display cover plate does not have the peep-proof function;
When a user needs to use the peep-proof function of the peep-proof layer 2, the user can operate the display screen, so that white light is emitted from two ends of the display screen, the emitting position of the white light corresponds to the reflecting lens 10, at the moment, the white light passes through the transparent wafer 11 and then reaches the surface of the reflecting wafer 10, then reaches one end of the light guide wafer 7 through reflection of the reflecting lens 10, at the moment, the white light fills the light guide wafer 7, when a normal image is played on the display screen, the image passes through the light and propagates outwards, the light with the image sequentially passes through the adhesive layer 4, the substrate layer 3, the peep-proof layer 2 and the protective layer 1, when the light with the image passes through the transparent plate 6 and reaches the light guide wafer 7, at the moment, the white light in the light guide wafer 7 plays a blocking role, the light cannot scatter outwards, so that the user can only see the image on the display screen from the direction opposite to the screen, and at the moment, the peep-proof display cover plate 2 can realize the peep-proof function.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The peep-proof display cover plate is characterized by comprising a protective layer (1), a peep-proof layer (2), a substrate layer (3), an adhesive layer (4) and a release film layer (5), wherein the protective layer (1), the peep-proof layer (2), the substrate layer (3), the adhesive layer (4) and the release film layer (5) are sequentially arranged from top to bottom;
The anti-peeping device comprises an anti-peeping layer (2), and is characterized in that a plurality of light-transmitting plates (6) are arranged on the upper surface of the anti-peeping layer (2), light guide wafers (7) are arranged in the light-transmitting plates (6), grooves (8) are formed in two sides of the light-transmitting plates (6), cavities (9) are formed in two ends of the anti-peeping layer (2), reflecting wafers (10) are arranged on the inner walls of the top ends of the cavities (9), the reflecting wafers (10) correspond to one ends of the light-transmitting plates (6), and the reflecting wafers (10) are of inclined structures;
The anti-peeping device is characterized in that light-transmitting wafers (11) are arranged at two ends of the lower surface of the anti-peeping layer (2), the light-transmitting wafers (11) are arranged at the bottom end of the cavity (9), light-shielding sheets (12) are arranged at two ends of the upper surface of the anti-peeping layer (2), and the light-shielding sheets (12) correspond to the cavity (9).
2. The privacy display cover of claim 1, wherein: the material of the protective layer (1) is one of UV resin, PVC or PP.
3. The privacy display cover of claim 1, wherein: the base material layer (3) is made of one of PE material, PP material or PET material.
4. The privacy display cover of claim 1, wherein: the adhesive layer (4) is made of one of an acrylic acid ester adhesive layer, a PU adhesive layer or an organic silicon adhesive layer, and the thickness of the adhesive layer (4) is 20-100 mu m.
5. The privacy display cover of claim 1, wherein: the release film layer (5) is one of a silicon release film and a fluorine release film, and release paper is arranged on the outer side of the release film layer (5).
6. The privacy display cover of claim 1, wherein: the number of the light-transmitting plates (6) is plural, the spacing between the light-transmitting plates (6) is 0.02-0.1mm, and the inclination angle of the reflecting wafer (10) is 40-50 degrees.
7. The privacy display cover of claim 1, wherein: the adhesive
The lower surface of the layer (4) is provided with air vent grooves (13), the air vent grooves (13) are arranged into a grid-shaped structure,
And the inner diameter of the exhaust groove (13) is set to be 0.01-0.03mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310998552.5A CN116935750B (en) | 2023-08-08 | 2023-08-08 | Peep-proof display cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310998552.5A CN116935750B (en) | 2023-08-08 | 2023-08-08 | Peep-proof display cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116935750A CN116935750A (en) | 2023-10-24 |
| CN116935750B true CN116935750B (en) | 2024-05-10 |
Family
ID=88387828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310998552.5A Active CN116935750B (en) | 2023-08-08 | 2023-08-08 | Peep-proof display cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116935750B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549236A (en) * | 2016-02-19 | 2016-05-04 | 京东方科技集团股份有限公司 | Switchable peep-proof device, preparation method thereof and display device |
| CN107195248A (en) * | 2017-07-20 | 2017-09-22 | 京东方科技集团股份有限公司 | Optical module and display device |
| CN207120538U (en) * | 2017-07-07 | 2018-03-20 | 深圳市顶级屏保有限公司 | A kind of peep-proof sticking film for mobile phone |
| CN207965423U (en) * | 2018-01-11 | 2018-10-12 | 深圳市前海威斯明科技有限公司 | A kind of peep-proof film and peep-proof display screen and the equipment for preparing peep-proof film |
| CN109870836A (en) * | 2019-03-28 | 2019-06-11 | 合肥京东方光电科技有限公司 | Backlight module and its manufacturing method, display device and its control method |
| CN111239870A (en) * | 2020-03-31 | 2020-06-05 | 天津佳视晶华光电科技有限公司 | Peep-proof membrane and peep-proof membrane display device |
| CN111679493A (en) * | 2020-05-29 | 2020-09-18 | 太湖金张科技股份有限公司 | Backlight module with blue light conversion reflection film and liquid crystal display panel |
| EP3850524A1 (en) * | 2018-09-12 | 2021-07-21 | Hewlett-Packard Development Company, L.P. | Privacy films for electronic displays |
| KR20220051960A (en) * | 2020-10-20 | 2022-04-27 | (주)엠코어 | Photovoltaic film to prevent personal privacy |
| CN217875539U (en) * | 2022-08-22 | 2022-11-22 | 重庆康佳光电技术研究院有限公司 | Backlight module and display device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI421590B (en) * | 2010-09-17 | 2014-01-01 | Au Optronics Corp | Display device with switchable view angle and the backlight module thereof |
| CN109445173B (en) * | 2019-01-02 | 2021-01-22 | 京东方科技集团股份有限公司 | Peep-proof film, manufacturing method thereof and display module |
| KR20210086163A (en) * | 2019-12-31 | 2021-07-08 | 엘지디스플레이 주식회사 | Privacy protecting film and liquid crystal display device comrpising the same |
| TWM623305U (en) * | 2021-10-06 | 2022-02-11 | 誠屏科技股份有限公司 | Display device |
-
2023
- 2023-08-08 CN CN202310998552.5A patent/CN116935750B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549236A (en) * | 2016-02-19 | 2016-05-04 | 京东方科技集团股份有限公司 | Switchable peep-proof device, preparation method thereof and display device |
| CN207120538U (en) * | 2017-07-07 | 2018-03-20 | 深圳市顶级屏保有限公司 | A kind of peep-proof sticking film for mobile phone |
| CN107195248A (en) * | 2017-07-20 | 2017-09-22 | 京东方科技集团股份有限公司 | Optical module and display device |
| CN207965423U (en) * | 2018-01-11 | 2018-10-12 | 深圳市前海威斯明科技有限公司 | A kind of peep-proof film and peep-proof display screen and the equipment for preparing peep-proof film |
| EP3850524A1 (en) * | 2018-09-12 | 2021-07-21 | Hewlett-Packard Development Company, L.P. | Privacy films for electronic displays |
| CN109870836A (en) * | 2019-03-28 | 2019-06-11 | 合肥京东方光电科技有限公司 | Backlight module and its manufacturing method, display device and its control method |
| CN111239870A (en) * | 2020-03-31 | 2020-06-05 | 天津佳视晶华光电科技有限公司 | Peep-proof membrane and peep-proof membrane display device |
| CN111679493A (en) * | 2020-05-29 | 2020-09-18 | 太湖金张科技股份有限公司 | Backlight module with blue light conversion reflection film and liquid crystal display panel |
| KR20220051960A (en) * | 2020-10-20 | 2022-04-27 | (주)엠코어 | Photovoltaic film to prevent personal privacy |
| CN217875539U (en) * | 2022-08-22 | 2022-11-22 | 重庆康佳光电技术研究院有限公司 | Backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116935750A (en) | 2023-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112447931B (en) | Display panel and display device | |
| US10613305B2 (en) | Tiled display panel and tiled display device | |
| TWI567703B (en) | Display apparatus | |
| TWI226419B (en) | Touch panel-including illuminator and reflective liquid-crystal display device | |
| JP5093717B2 (en) | Optical element and illumination optical device, display device, and electronic apparatus using the same | |
| KR20170037773A (en) | Plate-Type Optical Member with Optical Fiber and Multi-Panel Display Device with the same | |
| US20180224583A1 (en) | Optical structure, method for manufacturing optical structure, display substrate and display device | |
| CN105929590B (en) | Display substrate and display device | |
| US20180292595A1 (en) | Display apparatus | |
| TWI484389B (en) | Touch display device | |
| US10964918B1 (en) | Display screen and terminal | |
| KR20110080592A (en) | Method of manufacturing a surface light source device | |
| US20170059764A1 (en) | Light guide plate, backlight unit and display device | |
| JP2009187011A (en) | Prism sheet having prism mountain of longitudinal wave pattern improved in front luminance, backlight unit adopting the same and liquid crystal display device with backlight unit | |
| CN116935750B (en) | Peep-proof display cover plate | |
| WO2020010757A1 (en) | Backlight module, method for manufacturing same, and transparent liquid crystal display apparatus having same | |
| JP2009140905A (en) | Light guide plate and backlight | |
| TW201003222A (en) | Optical sheet and backlight assembly and liquid crystal display comprising the same | |
| KR20160047440A (en) | Light guide plate including optical sheet and backlight unit containing the same | |
| KR20140080743A (en) | Optical film and back light unit thereof | |
| WO2018163914A1 (en) | Frame, surface light source device, display device and electronic device | |
| JP2009294240A (en) | Optical sheet, back light unit, liquid crystal display device and display device | |
| CN114649494A (en) | Optical protection substrate, preparation method and display device | |
| JP6682834B2 (en) | Light guide plate, surface light source device, display device, and electronic device | |
| TWI670526B (en) | Light guide plate, surface light source device, display device, and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |