CN-122018183-A - Peep-proof panel, display device and display equipment

Abstract

The application discloses a peep-proof panel, a display device and display equipment, which mainly relate to the technical field of display, wherein the peep-proof panel is used in the display device and comprises a plurality of pixel units, the peep-proof panel comprises a peep-proof substrate, a piezoelectric driving layer and a double refraction cancellation retaining wall, the piezoelectric driving layer and the double refraction cancellation retaining wall are both arranged on the peep-proof substrate, the double refraction cancellation retaining wall is positioned between two adjacent pixel units, the double refraction cancellation retaining wall comprises a polaroid, at least one group of deformation pressing units and a pressed wall, the deformation pressing units are arranged at the top and/or the bottom of the pressed wall, the polaroid is arranged at one side of the pressed wall, the deformation pressing units are connected with the piezoelectric driving layer, and the piezoelectric driving layer drives the deformation pressing units to deform and press the pressed wall. Through the design, the peep-proof panel can selectively reduce the transmittance of light rays at a preset angle, and the display device is switched between the peep-proof mode and the sharing mode.

Inventors

• LUO FEI
• LI JIEWEI

Assignees

• 惠科股份有限公司

Dates

Publication Date

20260512

Application Date

20260331

Claims (10)

1. 1. The peep-proof panel is characterized by being used in a display device, wherein the display device comprises a display panel, the display panel comprises a plurality of pixel units, the peep-proof panel comprises a peep-proof substrate, a piezoelectric driving layer and a double-refraction destructive retaining wall, the piezoelectric driving layer and the double-refraction destructive retaining wall are both arranged on the peep-proof substrate, and the double-refraction destructive retaining wall is positioned between two adjacent pixel units; The birefringence destructive retaining wall comprises a polaroid, at least one group of deformation pressing units and a pressed wall, wherein the deformation pressing units are arranged at the top and/or the bottom of the pressed wall, the polaroid is arranged on one side of the pressed wall, the deformation pressing units are connected with the piezoelectric driving layer, and the piezoelectric driving layer drives the deformation pressing units to deform and press the pressed wall.
2. 2. The peep-proof panel according to claim 1, wherein the deformation pressing unit comprises an anode, a piezoelectric ceramic and a cathode, the anode and the cathode are respectively connected to two ends of the piezoelectric ceramic, and the material of the pressed wall comprises polymethyl methacrylate.
3. 3. The privacy panel of claim 1, wherein the birefringent destructive wall comprises two sets of deformed pressing units and pressed walls, one set being defined as a first deformed pressing unit and a first pressed wall, the other set being defined as a second deformed pressing unit and a second pressed wall, the first deformed pressing unit pressing the first pressed wall, the second deformed pressing unit pressing the second pressed wall, the polarizer being disposed between the first pressed wall and the second pressed wall, the two sets of deformed pressing units and the pressed walls being located between two adjacent pixel units.
4. 4. The privacy panel of claim 3, wherein the birefringent destructive retaining wall further comprises a spacer wall positioned between the first compression wall and the second compression wall.
5. 5. The privacy panel of claim 4, wherein the first deformation pressing unit is located at the top of the first pressed wall and the second deformation pressing unit is located at the bottom of the second pressed wall.
6. 6. The privacy panel of claim 1, wherein two adjacent pixel units are configured to display different colors; The birefringence cancellation retaining wall comprises six groups of deformation pressing units and pressed walls, which are respectively defined as a first deformation pressing unit and a first pressed wall, a second deformation pressing unit and a second pressed wall, a third deformation pressing unit and a third pressed wall, a fourth deformation pressing unit and a fourth pressed wall, a fifth deformation pressing unit and a fifth pressed wall, a sixth deformation pressing unit and a sixth pressed wall, wherein the six groups of deformation pressing units and the pressed walls are positioned between two adjacent pixel units; the first deformation pressing unit presses the first pressed wall, the second deformation pressing unit presses the second pressed wall, the third deformation pressing unit presses the third pressed wall, the fourth deformation pressing unit presses the fourth pressed wall, the fifth deformation pressing unit presses the fifth pressed wall, and the sixth deformation pressing unit presses the sixth pressed wall; And the first pressure-bearing wall, the second pressure-bearing wall, the third pressure-bearing wall, the fourth pressure-bearing wall, the fifth pressure-bearing wall and the sixth pressure-bearing wall are sequentially arranged, and polaroids are arranged between the first pressure-bearing wall and the second pressure-bearing wall, between the second pressure-bearing wall and the third pressure-bearing wall, between the third pressure-bearing wall and the fourth pressure-bearing wall, between the fourth pressure-bearing wall and the fifth pressure-bearing wall, and between the fifth pressure-bearing wall and the sixth pressure-bearing wall.
7. 7. The privacy panel of claim 1, wherein the number of deformation pressing units comprises two, the two deformation pressing units being located at the top of the pressed wall and the bottom of the pressed wall, respectively.
8. 8. A display device, characterized in that the display device comprises a display panel and the peep-proof panel according to any one of claims 1-7, the peep-proof panel being arranged at one side of the light-emitting surface of the display panel.
9. 9. The display device according to claim 8, wherein a plurality of pixel units are defined as a first pixel unit for displaying a red pixel, a second pixel unit for displaying a green pixel, and a third pixel unit for displaying a blue pixel, respectively; The birefringence cancellation retaining wall comprises a polaroid, two groups of deformation pressing units and pressed walls, wherein one group is defined as a first deformation pressing unit and a first pressed wall, the other group is defined as a second deformation pressing unit and a second pressed wall, the first deformation pressing unit presses the first pressed wall, and the second deformation pressing unit presses the second pressed wall; The first compression wall is close to the first pixel unit, the second compression wall is close to the second pixel unit, the first compression wall is close to the second pixel unit, the second compression wall is close to the third pixel unit, the first compression wall is close to the third pixel unit, and the second compression wall is close to the first pixel unit.
10. 10. A display device comprising a drive circuit and a display apparatus according to any one of claims 8 to 9, the display apparatus comprising a display panel and a privacy panel, the drive circuit being connected to the display panel and the privacy panel.

Description

Peep-proof panel, display device and display equipment Technical Field The application relates to the technical field of display, in particular to a peep-proof panel, a display device and display equipment. Background The peep-proof function can prevent others from peeping the reading content or sensitive notification, for example, when the electronic paper display device is used in a public place, the peep-proof electronic paper display device limits the visual angle to be within +/-30 degrees, thereby protecting the privacy of users and preventing peeping of third parties. However, the conventional display device has a fixed peep-proof function, and the sharing mode and the peep-proof mode cannot be switched. Disclosure of Invention The application aims to provide a peep-proof panel, a display device and display equipment, so that the peep-proof panel can selectively reduce the transmittance of light rays at a preset angle, and the display device can be switched between a peep-proof mode and a sharing mode. The application discloses a peep-proof panel which is used in a display device, wherein the display device comprises a display panel, the display panel comprises a plurality of pixel units, the peep-proof panel comprises a peep-proof substrate, a piezoelectric driving layer and a double-refraction destructive retaining wall, the piezoelectric driving layer and the double-refraction destructive retaining wall are both arranged on the peep-proof substrate, and the double-refraction destructive retaining wall is positioned between two adjacent pixel units; The birefringence destructive retaining wall comprises a polaroid, at least one group of deformation pressing units and a pressed wall, wherein the deformation pressing units are arranged at the top and/or the bottom of the pressed wall, the polaroid is arranged on one side of the pressed wall, the deformation pressing units are connected with the piezoelectric driving layer, and the piezoelectric driving layer drives the deformation pressing units to deform and press the pressed wall. Optionally, the deformation pressing unit comprises an anode, piezoelectric ceramics and a cathode, wherein the anode and the cathode are respectively connected with two ends of the piezoelectric ceramics, and the material of the pressed wall comprises polymethyl methacrylate. Optionally, the birefringent destructive retaining wall includes two groups of deformation pressing units and pressed walls, one group is defined as a first deformation pressing unit and a first pressed wall, the other group is defined as a second deformation pressing unit and a second pressed wall, the first deformation pressing unit presses the first pressed wall, the second deformation pressing unit presses the second pressed wall, the polaroid is arranged between the first pressed wall and the second pressed wall, and the two groups of deformation pressing units and the pressed walls are positioned between two adjacent pixel units. Optionally, the birefringent destructive retaining wall further comprises a spacer wall, the spacer wall being located between the first and second pressure walls. Optionally, the first deformation pressing unit is located at the top of the first pressed wall, and the second deformation pressing unit is located at the bottom of the second pressed wall. Optionally, two adjacent pixel units are used for displaying different colors; The birefringence cancellation retaining wall comprises six groups of deformation pressing units and pressed walls, which are respectively defined as a first deformation pressing unit and a first pressed wall, a second deformation pressing unit and a second pressed wall, a third deformation pressing unit and a third pressed wall, a fourth deformation pressing unit and a fourth pressed wall, a fifth deformation pressing unit and a fifth pressed wall, a sixth deformation pressing unit and a sixth pressed wall, wherein the six groups of deformation pressing units and the pressed walls are positioned between two adjacent pixel units; the first deformation pressing unit presses the first pressed wall, the second deformation pressing unit presses the second pressed wall, the third deformation pressing unit presses the third pressed wall, the fourth deformation pressing unit presses the fourth pressed wall, the fifth deformation pressing unit presses the fifth pressed wall, and the sixth deformation pressing unit presses the sixth pressed wall; And the first pressure-bearing wall, the second pressure-bearing wall, the third pressure-bearing wall, the fourth pressure-bearing wall, the fifth pressure-bearing wall and the sixth pressure-bearing wall are sequentially arranged, and polaroids are arranged between the first pressure-bearing wall and the second pressure-bearing wall, between the second pressure-bearing wall and the third pressure-bearing wall, between the third pressure-bearing wall and the fourth pressure-bearing wall, between the fourth p