Display panel and display device

Patent metadata

Field	Value
Publication number	US-2025063899-A1
Application number	US-202418938314-A
Country	US
Kind code	A1
Filing date	Nov 6, 2024
Priority date	Jun 16, 2023
Publication date	Feb 20, 2025
Grant date	—

Abstract

Disclosed are a display panel and a display device. The display panel is provided with a first region. The display panel includes a substrate, and an isolation structure layer and a display function layer located on the substrate. The isolation structure layer includes a light-transmitting portion and a plurality of isolation openings. The display function layer includes a plurality of light-emitting devices respectively located within the plurality of isolation openings. A touch structure is located on a side, away from the substrate, of the isolation structure layer. The display panel may be applied to the field of under-screen recognition.

First claim

What is claimed is:

1 . A display panel, comprising:
a substrate; an isolation structure layer, provided on the substrate, comprising a light-transmitting portion and a plurality of isolation openings; a display function layer comprising a plurality of light-emitting devices respectively located within the plurality of isolation openings; and a touch structure provided on a side, away from the substrate, of the isolation structure layer.

2 . The display panel according to claim 1 , wherein the light-transmitting portion comprises a first light-transmitting opening, the isolation structure layer comprises an isolation structure to define the plurality of isolation openings, and the first light-transmitting opening is provided in the isolation structure.

3 . The display panel according to claim 2 , wherein the first light-transmitting opening extends through the isolation structure in a light emitting direction of the light-emitting device, and the first light-transmitting opening is spaced apart from the isolation opening.

4 . The display panel according to claim 2 , wherein the display panel comprises a first region, the light-transmitting portion is located in the first region, and a ratio of an area of an orthographic projection of the first light-transmitting opening on the substrate to an area of an orthographic projection of the first region on the substrate is greater than or equal to 1%.

5 . The display panel according to claim 2 , wherein the display panel comprises a first region, the light-transmitting portion is located in the first region, and in the first region, a ratio of an area of an orthographic projection of the light-transmitting portion on the substrate to an area of an orthographic projection of the isolation structure on the substrate ranges from 1.50% to 9.50%.

6 . The display panel according to claim 5 , wherein a light transmittance rate of the first region of the display panel under test light is greater than 0.6%.

7 . The display panel according to claim 6 , wherein the light transmittance rate of the first region of the display panel under visible light is greater than 0.6%.

8 . The display panel according to claim 6 , wherein the light transmittance rate of the first region of the display panel under light of 940 nm wavelength is greater than 0.9%.

9 . The display panel according to claim 2 , wherein the display panel comprises a first region, the light-transmitting portion is located in the first region, the display panel further comprises a photosensor provided on the substrate, and an orthographic projection of the photosensor on the substrate at least partially overlaps with an orthographic projection of the first region on the substrate.

10 . The display panel according to claim 2 , wherein the isolation structure comprises a first isolation portion and a second isolation portion intersected with each other, and the first light-transmitting opening is located at an intersection of the first isolation portion and the second isolation portion.

11 . The display panel according to claim 2 , wherein the isolation structure comprises a first isolation portion extending along a first direction, the first light-transmitting opening is disposed at the first isolation portion and extends along a length direction of the first isolation portion.

12 . The display panel according to claim 2 , wherein the first light-transmitting opening is spaced apart from the light-emitting device located within the isolation opening, the light-emitting devices comprises a first light-emitting device, a second light-emitting device, and a third light-emitting device, and the first light-emitting device is adjacent to the first light-transmitting opening; and
wavelengths of light emitted by the first light-emitting device, the second light-emitting device, and the third light-emitting device decrease sequentially; lengths of the first light-emitting device, the second light-emitting device, and the third light-emitting device in a column direction are not equal and increase sequentially; areas of the first light-transmitting openings corresponding to the first light-emitting device, the second light-emitting device, and the third light-emitting device respectively decrease sequentially, and the first light-transmitting openings corresponding to the first light-emitting device, the second light-emitting device, and the third light-emitting device are communicated sequentially.

13 . The display panel according to claim 2 , further comprising a second electrode layer located on a side, away from the substrate, of the display function layer, wherein the second electrode layer comprises a plurality of second electrodes spaced apart from each other and located in the plurality of isolation openings respectively, and
the isolation structure comprises a first isolation layer and a second isolation layer stacked in layers, the first isolation layer is located between the substrate and the second isolation layer, an orthographic projection of the first isolation layer on the substrate is located within an orthographic projection of the second isolation layer on the substrate, and the first isolation layer is electrically connected to the plurality of second electrodes.

14 . The display panel according to claim 13 , wherein the isolation structure further comprises a third isolation layer, the third isolation layer is disposed on a side, close to the substrate, of the first isolation layer, and the orthographic projection of the first isolation layer on the substrate is located within an orthographic projection of the third isolation layer on the substrate.

15 . The display panel according to claim 2 , further comprising: a first transparent filling portion filled in the first light-transmitting opening.

16 . The display panel according to claim 2 , wherein the display function layer comprises an organic material layer and a second electrode layer, and part of the organic material layer and part of the second electrode layer are disposed within the first light-transmitting opening.

17 . The display panel according to claim 2 , wherein the substrate comprises:
a base; and an array layer located on a side, close to the display function layer, of the substrate, the array layer comprises a first wiring, and an orthographic projection of the first wiring on the substrate does not overlap or partially overlaps with an orthographic projection of the first light-transmitting opening on the substrate.

18 . The display panel according to claim 2 , wherein the substrate comprises a second light-transmitting opening communicating with the first light-transmitting opening; and
an orthographic projection of the second light-transmitting opening on the substrate at least partially overlaps with an orthographic projection of the first light-transmitting opening on the substrate.

19 . The display panel according to claim 1 , wherein a material of the light-transmitting portion is transparent, and the plurality of isolation openings are defined by the light-transmitting portion.

20 . The display panel according to claim 19 , wherein a light transmittance rate of the light-transmitting portion under test light is greater than 0.6%.

21 . The display panel according to claim 19 , wherein the light-transmitting portion comprises a first transparent layer and a second transparent layer stacked in layers, the first transparent layer is located between the substrate and the second tr

Assignees

• Hefei Visionox Tech Co Ltd
• Kunshan Govisionox Optoelectronics Co Ltd

Inventors

• Yao Yuan
• Xu Chuanzhi
• Zhang Zhichao
• Dong Zhengkui
• Zhao Yingzi

Classifications

• H10K59/65

  OLEDs integrated with inorganic image sensors · CPC title

• H10K59/40

  OLEDs integrated with touch screens · CPC title

• H10K59/873

  Encapsulations · CPC title

• H10K59/122 Primary

  Pixel-defining structures or layers, e.g. banks · CPC title

• H10K59/12

  Active-matrix OLED [AMOLED] displays · CPC title