Display panel, manufacturing method thereof, and display device

Patent metadata

Field	Value
Publication number	US-12230641-B2
Application number	US-202117613173-A
Country	US
Kind code	B2
Filing date	Jun 3, 2021
Priority date	Jun 8, 2020
Publication date	Feb 18, 2025
Grant date	Feb 18, 2025

Abstract

A display panel, a manufacturing method thereof and a display device. The display panel includes a first region and a second region. The second region includes a driving circuitry layer and a first light-emitting unit located on a base substrate, the first region includes a plurality of second light-emitting units located on the base substrate, the second light-emitting unit is electrically coupled to the driving circuitry layer through a transparent conductive layer, the transparent conductive layer includes at least two conductive sub-layers laminated one on another and insulated from each other, each conductive sub-layer includes at least one transparent conductive line, and each transparent conductive line is coupled to a corresponding second light-emitting unit.

First claim

What is claimed is:

1. A display panel, comprising a first region and a second region, wherein the second region includes a driving circuitry layer and a first light-emitting unit located on a base substrate, the first region includes a plurality of second light-emitting units located on the base substrate, the second light-emitting unit is electrically coupled to the driving circuitry layer through a transparent conductive layer, the transparent conductive layer includes at least two conductive sub-layers laminated one on another and insulated from each other, each conductive sub-layer includes at least one transparent conductive line, and each transparent conductive line is coupled to a corresponding second light-emitting unit;
wherein the transparent conductive layer includes a first conductive sub-layer and a second conductive sub-layer, and the display panel further includes a source/drain electrode layer, a first insulation layer, a second insulation layer and a third insulation layer, wherein the first insulation layer is located at a side of the source/drain electrode layer away from the base substrate, and the first insulation layer, the first conductive sub-layer, the second insulation layer, the second conductive sub-layer and the third insulation layer are laminated one on another in a direction away from the base substrate; and
the second insulation layer insulates the first conductive sub-layer from the second conductive sub-layer.

2. The display panel according to claim 1 , wherein the first conductive sub-layer includes at least one first transparent conductive line, the second conductive sub-layer includes at least one second transparent conductive line, and an orthogonal projection of the first transparent conductive line onto the base substrate at least partially overlaps an orthogonal projection of the second transparent conductive line onto the base substrate.

3. The display panel according to claim 1 , wherein the second region includes a first display region and a second display region, a resolution of the first display region is higher than a resolution of the second display region, and a driving circuitry for driving the second light-emitting unit to emit light is located in the second display region.

4. The display panel according to claim 3 , wherein the second display region is located between the first display region and the first region.

5. The display panel according to claim 4 , wherein the second display region is arranged around the first region.

6. The display panel according to claim 4 , wherein the second display region is arranged at a horizontal edge or a longitudinal edge of the first region and the first region is adjacent to the first display region.

7. The display panel according to claim 3 , wherein the driving circuitry layer includes a first driving circuitry and a second driving circuitry, the first driving circuitry is electrically coupled to the first light-emitting unit located in the second display region, and the second driving circuitry is electrically coupled to the second light-emitting unit.

8. The display panel according to claim 1 , wherein a signal line corresponding to the second light-emitting unit is arranged in the first region and along the edge of the first region.

9. A display device, comprising the display panel according to claim 1 .

10. A method for manufacturing a display panel, wherein the display panel includes a first region and a second region, the second region includes a driving circuitry layer and a plurality of first light-emitting units located on a base substrate, and the first region includes a plurality of second light-emitting units located on the base substrate, wherein the method includes forming a transparent conductive layer on the base substrate, the second light-emitting unit is electrically coupled to the driving circuitry layer through the transparent conductive layer, the transparent conductive layer includes at least two conductive sub-layers laminated one on another and insulated from each other, each conductive sub-layer includes at least one transparent conductive line, and each transparent conductive line is coupled to a corresponding second light-emitting unit:
wherein prior to forming the transparent conductive layer on the base substrate, the method further includes: forming a source/drain electrode layer on the base substrate; and forming a first insulation layer at a side of the source/drain electrode layer away from the base substrate, wherein the forming the transparent conductive layer on the base substrate includes forming a first conductive sub-layer, a second insulation layer, a second conductive sub-layer and a third insulation layer at a side of the first insulation layer away from the base substrate;
the second insulation layer insulates the first conductive sub-layer from the second conductive sub-layer.

11. The method according to claim 10 , further comprising forming an anode layer, a light-emitting layer and a cathode layer at a side of the third insulation layer away from the base substrate.

12. The display panel according to claim 4 , wherein the driving circuitry layer includes a first driving circuitry and a second driving circuitry, the first driving circuitry is electrically coupled to the first light-emitting unit located in the second display region, and the second driving circuitry is electrically coupled to the second light-emitting unit.

13. The display panel according to claim 5 , wherein the driving circuitry layer includes a first driving circuitry and a second driving circuitry, the first driving circuitry is electrically coupled to the first light-emitting unit located in the second display region, and the second driving circuitry is electrically coupled to the second light-emitting unit.

14. The display panel according to claim 6 , wherein the driving circuitry layer includes a first driving circuitry and a second driving circuitry, the first driving circuitry is electrically coupled to the first light-emitting unit located in the second display region, and the second driving circuitry is electrically coupled to the second light-emitting unit.

Assignees

• Chengdu Boe Optoelect Tech Co
• Boe Technology Group Co Ltd

Inventors

• Huang Weiyun
• Cai Jianchang
• Xiao Xingliang
• Huang Yao
• Qiu Yuanyou
• Lu Zhong

Classifications

• H10W90/00

  Package configurations · CPC title

• H10K59/65

  OLEDs integrated with inorganic image sensors · CPC title

• H10D86/021

  of multiple TFTs · CPC title

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title