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CN-122018189-A - Dimming component and display device

CN122018189ACN 122018189 ACN122018189 ACN 122018189ACN-122018189-A

Abstract

The application discloses a dimming component and a display device, wherein the dimming component comprises a first substrate, a quarter wave plate, a first retaining wall layer, a first electrode layer, a first insulating layer, a second retaining wall layer, a second electrode layer and a cholesteric liquid crystal layer, wherein the first retaining wall layer is arranged on one side of the first substrate far away from the quarter wave plate and comprises a plurality of first retaining walls, the first electrode layer is arranged on one side of the first retaining wall layer, the first insulating layer is arranged on one side of the first electrode layer, the first insulating layer is arranged on one side of the first substrate far away from the first substrate and comprises a plurality of second retaining walls, the plurality of second retaining walls are in one-to-one correspondence with the plurality of first retaining walls, the second retaining walls encircle the first retaining walls and are matched with the corresponding first retaining walls to form a containing groove, the cholesteric liquid crystal layer is arranged in the containing groove, the second electrode layer is arranged on one side of the cholesteric liquid crystal layer far away from the first substrate, the first electrode layer comprises a plurality of first electrode parts which cover the side of the first retaining walls, and the second electrode layer comprises a plurality of second electrode parts which are arranged corresponding to the first electrode parts and cover the outer side faces of the second retaining walls. Through the arrangement, the peep-proof mode and the sharing mode are dynamically adjusted.

Inventors

  • ZHANG HONGYIN
  • LI JIEWEI

Assignees

  • 惠科股份有限公司

Dates

Publication Date
20260512
Application Date
20260213

Claims (10)

  1. 1. A dimming assembly, comprising: A first substrate; The quarter wave plate is arranged on one side of the first substrate; the first retaining wall layer is arranged on one side of the first substrate far away from the quarter wave plate and comprises a plurality of first retaining walls which are mutually spaced; The first electrode layer is arranged on one side of the first retaining wall layer away from the first substrate; the first insulating layer is arranged on one side of the first electrode layer away from the first substrate; The second retaining wall layer is arranged on one side, far away from the first substrate, of the first insulating layer and comprises a plurality of second retaining walls which are spaced from each other; the second retaining walls are arranged in one-to-one correspondence with the first retaining walls, encircle the corresponding first retaining walls, and are spaced from and matched with the corresponding first retaining walls to form accommodating grooves; a cholesteric liquid crystal layer arranged in the accommodating groove; The second electrode layer is arranged on one side of the cholesteric liquid crystal layer away from the first substrate; The first electrode layer comprises a plurality of first electrode parts, the first electrode parts cover the side surfaces of the first retaining wall, the second electrode layer comprises a plurality of second electrode parts, and the second electrode parts are arranged corresponding to the first electrode parts and cover the outer side surfaces of the second retaining wall correspondingly.
  2. 2. A dimming assembly as claimed in claim 1, wherein, The first electrode layer further comprises a plurality of first wiring parts, and the first wiring parts are arranged on the surface, far away from the quarter wave plate, of the first substrate and are connected with the first electrode parts; The second electrode layer further comprises a plurality of second wiring parts, and the second wiring parts are arranged corresponding to the top surfaces of the first retaining walls and are connected with the second electrode parts; the width of the first wiring part is smaller than the width of the side face of the first retaining wall, and the width of the second wiring part is smaller than the width of the outer side face of the second retaining wall; and/or, the distance between the first electrode part and the second electrode part is smaller than the distance between the first wiring part and the second wiring part.
  3. 3. A dimming assembly as claimed in claim 2, wherein, The first wiring parts and the first electrode parts are electrically connected with each other; at least part of the second electrode parts are electrically connected with each other through the second wiring parts, or a plurality of the second electrode parts are arranged at intervals in an insulating way.
  4. 4. A dimming assembly as claimed in claim 3, wherein, The light modulation assembly comprises a plurality of light modulation areas, and a plurality of accommodating grooves are correspondingly arranged in each light modulation area; The plurality of second wiring parts and the plurality of second electrode parts in the same dimming area are mutually and electrically connected, and the second electrode parts in the adjacent two dimming areas are mutually and alternately arranged in an insulating mode.
  5. 5. A dimming assembly as claimed in any one of claims 1-4, The light modulation assembly further comprises a second substrate, and the second substrate is arranged on one side, far away from the first substrate, of the second electrode layer; The light modulation assembly further comprises a second insulating layer, wherein the second insulating layer is arranged between the cholesteric liquid crystal layer and the second electrode layer, and the second insulating layer seals the accommodating groove; and/or, the dimming component further comprises a transparent packaging layer, wherein the transparent packaging layer is arranged between the second electrode layer and the second substrate, and the transparent packaging layer seals the accommodating groove.
  6. 6. A dimming assembly as claimed in any one of claims 1-4, The outer side surface of the first retaining wall is a plane; or, the outer side surface of the first retaining wall is an arc surface, and the arc surface is a convex surface.
  7. 7. A dimming assembly, comprising: A first substrate; The quarter wave plate is arranged on one side of the first substrate; The retaining wall layer is arranged on one side of the first substrate far away from the quarter wave plate and is provided with a plurality of annular grooves which are arranged at intervals; a cholesteric liquid crystal layer filled in the annular groove; the first electrode part is at least arranged on the inner side wall of the annular groove, and the second electrode part is at least arranged on the outer side wall of the annular groove; a first insulating layer covering the first electrode layer; the second electrode layer is arranged on one side of the first insulating layer, which is far away from the first electrode layer, and is electrically connected with the second electrode part.
  8. 8. The dimming assembly as recited in claim 7, wherein, The retaining wall layer is provided with a plurality of light-transmitting grooves which are spaced from each other, and the annular grooves are arranged around the light-transmitting grooves; Or, the retaining wall layer is made of transparent resin material.
  9. 9. A display device, comprising: a display panel; The light modulation assembly according to any one of claims 1-8, wherein the light modulation assembly is disposed on a light emitting side of the display panel.
  10. 10. The display device of claim 9, wherein the display device comprises a display device, The display panel comprises a plurality of sub-pixels, and a black matrix is arranged between two adjacent sub-pixels; the light modulation assembly is according to any one of claims 1-6, wherein a plurality of first retaining walls are arranged in a one-to-one correspondence with a plurality of sub-pixels; or the dimming component is as claimed in claim 7 or 8, wherein a plurality of the annular grooves are arranged in one-to-one correspondence with a plurality of the black matrixes.

Description

Dimming component and display device Technical Field The present application relates to the field of display technologies, and in particular, to a dimming component and a display device. Background Due to the high-speed development of display technology, the visual angle of a display panel is also larger and larger, and a display screen is used in public places of information sharing, so that personal privacy is not protected. At present, an economic and convenient screen privacy protection mode is generally to paste a layer of peep-proof film on a display screen, wherein the peep-proof film mainly adopts a micro shutter optical technology. However, after the peep-proof film is attached, the screen brightness of the display panel is passively reduced, the original bright color and visual effect can be greatly reduced, moreover, after the peep-proof film is attached, normal display cannot be performed when peep-proof is not needed, the peep-proof mode is fixed, the visual angle cannot be switched according to specific needs, and the power consumption is large. Disclosure of Invention The application mainly provides a dimming component and a display device, which are used for solving the problems that the display device in the related art cannot realize dynamic adjustment of a peep-proof mode and a sharing mode and has larger power consumption. In order to solve the technical problems, the application adopts a technical scheme that a dimming component comprises: A first substrate; The quarter wave plate is arranged on one side of the first substrate; the first retaining wall layer is arranged on one side of the first substrate far away from the quarter wave plate and comprises a plurality of first retaining walls which are mutually spaced; The first electrode layer is arranged on one side of the first retaining wall layer away from the first substrate; the first insulating layer is arranged on one side of the first electrode layer away from the first substrate; The second retaining wall layer is arranged on one side, far away from the first substrate, of the first insulating layer and comprises a plurality of second retaining walls which are spaced from each other; the second retaining walls are arranged in one-to-one correspondence with the first retaining walls, encircle the corresponding first retaining walls, and are spaced from and matched with the corresponding first retaining walls to form accommodating grooves; a cholesteric liquid crystal layer arranged in the accommodating groove; The second electrode layer is arranged on one side of the cholesteric liquid crystal layer away from the first substrate; The first electrode layer comprises a plurality of first electrode parts, the first electrode parts cover the side surfaces of the first retaining wall, the second electrode layer comprises a plurality of second electrode parts, and the second electrode parts are arranged corresponding to the first electrode parts and cover the outer side surfaces of the second retaining wall correspondingly. In some embodiments, the first electrode layer further includes a plurality of first trace portions, where the first trace portions are disposed on a surface of the first substrate away from the quarter wave plate and connected to the first electrode portions; The second electrode layer further comprises a plurality of second wiring parts, and the second wiring parts are arranged corresponding to the top surfaces of the first retaining walls and are connected with the second electrode parts; the width of the first wiring part is smaller than the width of the side face of the first retaining wall, and the width of the second wiring part is smaller than the width of the outer side face of the second retaining wall; and/or, the distance between the first electrode part and the second electrode part is smaller than the distance between the first wiring part and the second wiring part. In some embodiments, a plurality of the first trace portions and a plurality of the first electrode portions are electrically connected to each other; at least part of the second electrode parts are electrically connected with each other through the second wiring parts, or a plurality of the second electrode parts are arranged at intervals in an insulating way. In some embodiments, the dimming component comprises a plurality of dimming areas, and a plurality of accommodating grooves are correspondingly arranged in each dimming area; The plurality of second wiring parts and the plurality of second electrode parts in the same dimming area are mutually and electrically connected, and the second electrode parts in the adjacent two dimming areas are mutually and alternately arranged in an insulating mode. In some embodiments, the dimming component further comprises a second substrate, and the second substrate is arranged on one side of the second electrode layer away from the first substrate; The light modulation assembly further comprises a s