Display panel and display device

Patent metadata

Field	Value
Publication number	US-12563954-B2
Application number	US-202218024690-A
Country	US
Kind code	B2
Filing date	Jun 15, 2022
Priority date	Jun 15, 2022
Publication date	Feb 24, 2026
Grant date	Feb 24, 2026

Abstract

Provided is a display panel, including a driver backplane, a plurality of light-emitting devices, a black matrix, and a color resistance layer. The black matrix is provided with a plurality of first light-passing holes in one-to-one correspondence with the plurality of light-emitting devices; and the color resistance layer includes a plurality of color resistance blocks in one-to-one correspondence with the plurality of first light-passing holes, and an auxiliary color resistance structure disposed between any adjacent color resistance blocks; wherein an orthographic projection of each first light-passing hole onto the driver backplane falls within an orthographic projection of the color resistance block corresponding to the first light-passing hole onto the driver backplane, and an orthographic projection of the auxiliary color resistance structure onto the driver backplane is at least partially overlapped with orthographic projections of the black matrix onto the driver backplane.

First claim

The invention claimed is:

1 . A display panel, comprising:
a driver backplane; a plurality of light-emitting devices disposed on a side of the driver backplane; a black matrix disposed on a side, distal to the driver backplane, of the plurality of light-emitting devices, wherein the black matrix is provided with a plurality of first light-passing holes in one-to-one correspondence with the plurality of light-emitting devices, and an orthographic projection of each light-emitting device onto the driver backplane falls within an orthographic projection of the first light-passing hole corresponding to the light-emitting device onto the driver backplane; and a color resistance layer disposed on a side, distal to the driver backplane, of the black matrix, wherein the color resistance layer comprises a plurality of color resistance blocks in one-to-one correspondence with the plurality of first light-passing holes, and an auxiliary color resistance structure disposed between any adjacent color resistance blocks; wherein an orthographic projection of each first light-passing hole onto the driver backplane falls within an orthographic projection of the color resistance block corresponding to the first light-passing hole onto the driver backplane, and an orthographic projection of the auxiliary color resistance structure onto the driver backplane is at least partially overlapped with orthographic projections of the black matrix onto the driver backplane.

2 . The display panel according to claim 1 , wherein the auxiliary color resistance structure is provided with a plurality of opening areas in one-to-one correspondence with the plurality of color resistance blocks, and a boundary of an orthographic projection of each opening area onto the driver backplane is in coincidence with a boundary of the orthographic projection of the color resistance block corresponding to the opening area onto the driver backplane.

3 . The display panel according to claim 2 , wherein the orthographic projection of the black matrix onto the driver backplane falls within the orthographic projection of the auxiliary color resistance structure onto the driver backplane.

4 . The display panel according to claim 1 , wherein the plurality of color resistance blocks comprise at least two types of color resistance blocks with different colors, a color of the auxiliary color resistance structure being the same as a color of at least one type of the color resistance blocks.

5 . The display panel according to claim 4 , wherein the plurality of color resistance blocks comprise red color resistance blocks, green color resistance blocks, and blue color resistance blocks;
the color of each portion in the auxiliary color resistance structure is the same, and the color of the auxiliary color resistance structure is any one of red, green, or blue; or the auxiliary color resistance structure comprises at least two of a first portion having a same color as the red color resistance block, a second portion having a same color as the green color resistance block, and a third portion having a same color as the blue color resistance block.

6 . The display panel according to claim 5 , wherein in a case that the auxiliary color resistance structure comprises a first portion, the first portion is at least distributed on one side of the red color resistance block; in a case that the auxiliary color resistance structure comprises a second portion, the second portion is at least distributed on one side of the green color resistance block; in a case that the auxiliary color resistance structure comprises a third portion, the third portion is at least distributed on one side of the blue color resistance block.

7 . The display panel according to claim 5 , wherein in a case that the auxiliary color resistance structure comprises a first portion, a second portion, and a third portion, an area of an orthographic projection of the third portion onto the driver backplane is smaller than an area of an orthographic projection of the first portion onto the driver backplane, and is larger than an area of an orthographic projection of the second portion onto the driver backplane.

8 . The display panel according to claim 1 , wherein the display panel further comprises a first cover layer disposed between the black matrix and the color resistance layer, a thickness of the first cover layer being greater than or equal to a thickness of the black matrix.

9 . The display panel according to claim 8 , wherein the display panel further comprises: a second cover layer disposed on a side, distal to the driver backplane, of the color resistance layer, and an inorganic cover layer disposed on a side, distal to the driver backplane, of the second cover layer, a refractive index of the inorganic cover layer being greater than a refractive index of the second cover layer.

10 . The display panel according to claim 9 , wherein a thickness of the inorganic cover layer ranges from 500 angstroms to 1500 angstroms.

11 . The display panel according to claim 1 , wherein the display panel further comprises a plurality of photosensitive devices disposed on one side of the driver backplane, the black matrix is further provided with a plurality of second light-passing holes in one-to-one correspondence with the plurality of photosensitive devices, and the auxiliary color resistance structure is provided with a plurality of third light-passing holes in one-to-one correspondence with the plurality of photosensitive devices;
wherein an orthographic projection of each photosensitive device onto the driver backplane is at least partially overlapped with an orthographic projection of the second light-passing hole corresponding to the photosensitive device onto the driver backplane, and is at least partially overlapped with an orthographic projection of the third light-passing hole corresponding to the photosensitive device onto the driver backplane.

12 . The display panel according to claim 11 , wherein a boundary of the orthographic projection of the photosensitive device onto the driver backplane is in coincidence with a boundary of the orthographic projection of the corresponding second light-passing hole onto the driver backplane, and is in coincidence with a boundary of the orthographic projection of the corresponding third light-passing hole onto the driver backplane.

13 . The display panel according to claim 11 , wherein the display panel further comprises a packaging layer disposed on a side, distal to the driver backplane, of the plurality of light-emitting devices, and a touch layer disposed on a side, distal to the driver backplane, of the packaging layer;
wherein the touch layer is disposed between the packaging layer and the black matrix and is provided with a touch signal line, an orthographic projection of the touch signal line onto the driver backplane being not overlapped with the orthographic projections of the plurality of photosensitive devices onto the driver backplane.

14 . The display panel according to claim 11 , wherein the display panel is a foldable display panel and further comprises an ultra-thin glass UTG cover plate disposed on a side, distal to the driver backplane, of the color resistance layer.

15 . A display device, comprising: a power supply assembly and a display panel, wherein the power supply assembly is configured to supply power to the display panel, and the display panel comprises:
a driver backplane; a plurality of light-emitting devices disposed on a side of the driver backplane; a black matrix disposed on a side, distal to the driver backplane, of the plu

Assignees

• Boe Technology Group Co Ltd

Inventors

• Hai Xiaoquan
• Wang Yingzi
• Dong Xue
• Chen Xiaochuan

Classifications

• H10K39/34

  integrated with organic light-emitting diodes [OLED] · CPC title

• H10K59/38

  comprising colour filters or colour changing media [CCM] · CPC title

• H10K59/8792 Primary

  comprising light absorbing layers, e.g. black layers · CPC title