Display apparatus and manufacturing method therefor

Patent metadata

Field	Value
Publication number	US-2023165119-A1
Application number	US-202117921578-A
Country	US
Kind code	A1
Filing date	Jun 8, 2021
Priority date	Jul 24, 2020
Publication date	May 25, 2023
Grant date	—

Abstract

A display apparatus and a manufacturing method therefor. The display apparatus comprises: a substrate; a display device, which is located on the substrate; a touch-control electrode layer, which is located on the side of the display device that faces away from the substrate; and an anti-reflection structure, which is located between the display device and the touch-control electrode layer, wherein the anti-reflection structure comprises transparent dielectric layers and a metal layer, which are arranged in an alternating and stacked manner, the metal layer being located between the transparent dielectric layers, there being at least two transparent dielectric layers, and there being at least one metal layer.

First claim

1 . A display apparatus, comprising:
a substrate; a display device on the substrate; a touch-control electrode layer on one side of the display device away from the substrate; and an anti-reflection structure between the display device and the touch-control electrode layer, wherein the anti-reflection structure comprises at least two transparent dielectric layers and at least one metal layer which are arranged in an alternating and stacked manner, and the metal layer is between the transparent dielectric layers.

2 . The display apparatus according to claim 1 , wherein the anti-reflection structure comprises a first transparent dielectric layer, a first metal layer, a second transparent dielectric layer, a second metal layer, and a third transparent dielectric layer which are arranged in the alternating and stacked manner.

3 . The display apparatus according to claim 1 , further comprising an encapsulation layer between the display device and the touch-control electrode layer, wherein the anti-reflection structure is between the display device and the encapsulation layer.

4 . The display apparatus according to claim 3 , wherein a material of the transparent dielectric layers is a transparent conductive material.

5 . The display apparatus according to claim 1 , further comprising an encapsulation layer between the display device and the touch-control electrode layer, wherein the anti-reflection structure is between the encapsulation layer and the touch-control electrode layer.

6 . The display apparatus according to claim 5 , wherein an orthographic projection of the metal layer on the substrate does not overlap an orthographic projection of a touch-control electrode of the touch-control electrode layer on the substrate.

7 . The display apparatus according to claim 5 , wherein the anti-reflection structure is on a surface of the touch-control electrode layer facing the display device.

8 . The display apparatus according to claim 5 , wherein the anti-reflection structure is on a surface of the encapsulation layer facing the touch-control electrode layer.

9 . The display apparatus according to claim 8 , further comprising a wiring layer between the encapsulation layer and the anti-reflection structure, wherein the wiring layer comprises wiring electrically connected with the metal layer on one side close to the substrate, and the wiring is coupled with a fixed voltage.

10 . The display apparatus according to claim 9 , comprising a display region and a peripheral region surrounding the display region, wherein the peripheral region has a binding region, the binding region has a binding terminal binding a fixed voltage line, and the wiring is around the peripheral region and is electrically connected with the binding terminal.

11 . The display apparatus according to claim 5 , further comprising an anti-reflection layer on one side of the touch-control electrode layer away from the substrate, wherein an orthographic projection of the anti-reflection layer on the substrate at least covers an orthographic projection of a touch-control electrode of the touch-control electrode layer on the substrate.

12 . The display apparatus according to claim 11 , wherein a material of the anti-reflection layer is MoTaOx or a black matrix material.

13 . The display apparatus according to claim 11 , wherein the touch-control electrode comprises a drive electrode and an induction electrode which are arranged in an insulating cross manner, the display device comprises a plurality of sub-pixels with different light-emitting colors, and orthographic projections of the drive electrode and the induction electrode on the substrate have overlapping regions with each of the sub-pixels.

14 . The display apparatus according to claim 11 , further comprising a cover plate on one side of the anti-reflection layer away from the substrate.

15 . The display apparatus according to claim 1 , wherein a material of the transparent dielectric layers is an inorganic material or an organic material, a thickness of the transparent dielectric layer of the inorganic material is in a range of 50 angstroms to 10000 angstroms, and a thickness of the transparent dielectric layer of the organic material is in a range of 50 angstroms to 50000 angstroms.

16 . The display apparatus according to claim 1 , wherein a material of the metal layer comprises one or a combination of Ti, Mo, Cu, Al or Ag, and a thickness of the metal layer is in a range of 10 angstroms to 1000 angstroms.

17 . A manufacturing method for a display apparatus, comprising:
forming a display device on a substrate; forming an anti-reflection structure on one side of the display device away from the substrate, wherein the anti-reflection structure comprises at least two transparent dielectric layers and at least one metal layer which are arranged in an alternating and stacked manner, and the metal layer is between the transparent dielectric layers; and forming a touch-control electrode layer on one side of the anti-reflection structure away from the substrate.

18 . The manufacturing method according to claim 17 , wherein forming the display apparatus comprises:
forming a display device on a substrate; and forming an encapsulation layer, a wiring layer, an anti-reflection structure, a touch-control electrode layer, an anti-reflection layer and a cover plate sequentially on one side of the display device away from the substrate.

19 . The manufacturing method according to claim 17 , wherein forming the display apparatus comprises:
forming a display device and an encapsulation layer on a substrate sequentially; forming an anti-reflection layer, a touch-control electrode layer and an anti-reflection structure which are stacked on a cover plate sequentially; and aligning and fitting the substrate with the encapsulation layer formed and the cover plate with the anti-reflection structure formed.

20 . The display apparatus according to claim 14 , further comprising a protective layer between the anti-reflection layer and the cover plate.

Assignees

• Boe Technology Group Co Ltd

Inventors

• Wang Hejin

Classifications

• H10K59/1201

  Manufacture or treatment · CPC title

• H10K59/8791 Primary

  Arrangements for improving contrast, e.g. preventing reflection of ambient light · CPC title

• H10K59/40 Primary

  OLEDs integrated with touch screens · CPC title

• H10K59/12

  Active-matrix OLED [AMOLED] displays · CPC title

• H10K59/131

  Interconnections, e.g. wiring lines or terminals · CPC title