IP Library › Granted Patent US 10,825,384
Granted Patent B2
US 10,825,384 · App. 16/492,132 · Granted Nov 3, 2020

Display panel and display device

Inventors: Yalong Ma (Wuhan, CN); Qibing Dai (Wuhan, CN); Yichao Deng (Wuhan, CN)
Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
G09G3/3225G09G2300/0861
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Quick Facts
Patent No.
US 10,825,384
App. No.
16/492,132
Granted
Nov 3, 2020
Kind
B2
Abstract

The present disclosure provides a display panel and a display device, wherein the display panel includes at least one of the plates of the storage capacitor provided with a charging element. By providing the charging element, charging the storage capacitor when the storage capacitor is discharged, so that the charge of the storage capacitor tends to stable or keep stable. That is, the voltage supplied from the storage capacitor to the driving transistor is ensured to constant, so that the luminance of the pixel is not distorted.

Claims (30)

1. A display panel, comprising:

a substrate;

a first metal layer, disposed on the substrate, that is patterned to form a gate of a transistor;

an interlayer insulating layer; and

a second metal layer, disposed on a side of the interlayer insulating layer away from the first metal layer, patterned to form an electrode plate;

wherein the electrode plate overlaps the gate to form a first plate and a second plate of a storage capacitor, at least one of the plates of the storage capacitor is provided with a charging element, and the charging element is used for charging the storage capacitor.

2. The display panel according to claim 1 , wherein the charging element comprises an inductance structure disposed on at least one of the plates of the storage capacitor.

3. The display panel according to claim 2 , wherein the inductance structure comprises a first inductance, the first inductance formed by hollowing out the first plate.

4. The display panel according to claim 3 , wherein the first inductance has a homocentric squares shape structure which is not connected end to end.

5. The display panel according to claim 3 , wherein the first inductance has an annular structure which is not connected end to end.

6. The display panel according to claim 3 , wherein the first inductance is a composite structure consisting of an annular shape and a homocentric squares shape that are not connected end to end.

7. The display panel according to claim 3 , wherein the inductance structure further comprises a second inductance, the second inductance formed by hollowing out the first plate, and the second inductance is insulated from the first inductance.

8. The display panel according to claim 3 , wherein the inductance structure further comprises a third inductance, the third inductance formed by hollowing out the second plate.

9. The display panel according to claim 8 , wherein a hollow shape of the third inductance is same as a hollow shape of the first inductance.

10. The display panel according to claim 8 , wherein a projection of the third inductance coincides with a projection of the first inductance on the substrate.

11. A display device comprising a display panel, wherein the display panel comprises:

a substrate;

a first metal layer, disposed on the substrate, that is patterned to form a gate of a transistor;

an interlayer insulating layer; and

a second metal layer, disposed on a side of the interlayer insulating layer away from the first metal layer, patterned to form an electrode plate;

wherein the electrode plate overlaps with the gate to form a first plate and a second plate of a storage capacitor, at least one of the plates of the storage capacitor is provided with a charging element, and the charging element is used for charging the storage capacitor.

12. The display device according to claim 11 , wherein the charging element comprises an inductance structure disposed on at least one of the plates of the storage capacitor.

13. The display device according to claim 12 , wherein the inductance structure comprises a first inductance, the first inductance formed by hollowing out the first plate.

14. The display device according to claim 13 , wherein the first inductance has a homocentric squares shape structure which is not connected end to end.

15. The display device according to claim 13 , wherein the first inductance has an annular structure which is not connected end to end.

16. The display device according to claim 13 , wherein the first inductance is a composite structure consisting of an annular shape and a homocentric squares shape that are not connected end to end.

17. The display device according to claim 13 , wherein the inductance structure further comprises a second inductance, the second inductance formed by hollowing out the first plate, and the second inductance is insulated from the first inductance.

18. The display device according to claim 13 , wherein the inductance structure further comprises a third inductance, the third inductance formed by hollowing out the second plate.

19. The display device according to claim 18 , wherein a hollow shape of the third inductance is same as a hollow shape of the first inductance.

20. The display device according to claim 18 , wherein a projection of the third inductance coincides with a projection of the first inductance on the substrate.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 7, 2019
From: MA, YALONG; DAI, QIBING; DENG, YICHAO
To: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Reel/Frame 051211/0709 →
Priority Claims (1)
CN 2019 1 0236759 · Mar 27, 2019 · national
Continuity (1)
Related Publication 20200312236A1 · Oct 1, 2020