IP Library Granted Patent US 12696640
Granted Patent B2
US 12696640 · App. 18/342,071 · Granted Jul 28, 2026

Display panel and display apparatus with driving units connected by transparent conducting wire

Inventors: Hongrui Li (Hefei, CN); Lei Mi (Hefei, CN); Hongqing Feng (Hefei, CN); Rubo Xing (Hefei, CN); Xiangtao Zeng (Hefei, CN)
Assignee: Hefei Visionox Technology Co., Ltd.
H10K59/131H10K59/123
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Quick Facts
Patent No.
US 12696640
App. No.
18/342,071
Filed
Jun 27, 2023
Granted
Jul 28, 2026
Kind
B2
Art Unit
2892
USPC
257/40
Abstract

A display panel and a display apparatus. The display panel includes: a substrate; a driving layer arranged on the substrate and including a plurality of driving units; a first electrode layer arranged on a side of the driving layer away from the substrate and including a plurality of pixel electrodes distributed in an array, each of the driving units being electrically connected to at least one of the pixel electrodes, at least a part of an orthographic projection of at least a part of the driving units on the substrate being located within an orthographic projection of the pixel electrodes on the substrate; a first signal line layer arranged between the first electrode layer and the substrate and including a plurality of first transparent conducting wires, at least two of the driving units being connected to each other by the first transparent conducting wire.

Claims (27)

1 . A display panel, comprising:

a substrate;

a driving layer arranged on the substrate and comprising a plurality of driving units;

a first electrode layer arranged on a side of the driving layer away from the substrate and comprising a plurality of pixel electrodes distributed in an array, each of the driving units being electrically connected to at least one of the pixel electrodes, and at least a part of an orthographic projection of at least a part of the driving units on the substrate being located within an orthographic projection of the pixel electrodes on the substrate;

a first signal line layer arranged between the first electrode layer and the substrate and comprising a plurality of first transparent conducting wires, and at least two of the driving units being connected to each other by a first one of the first transparent conducting wires; and

a plurality of pixel units arranged in an array, each of the pixel units comprising two or more sub-pixels, a corresponding sub-pixel being arranged on each of the pixel electrodes, the driving units corresponding to a plurality of sub-pixels in at least one of the pixel units belong to a repeated driving group, and at least two repeated driving groups being connected to each other by a second one of the first transparent conducting wire; and

a second signal line layer located at a side of the driving layer facing the first electrode layer and comprising a plurality of second transparent conducting wires, and two or more of the pixel electrodes being connected to a same one of the driving units and being connected to each other by the second transparent conducting wire.

2 . The display panel according to claim 1 , wherein the same one of the driving units is electrically connected to two or more of the pixel electrodes to drive two or more of the sub-pixels to display by the driving unit.

3 . The display panel according to claim 1 , wherein the second signal line layer is located at a side of the first signal line layer away from the substrate.

4 . The display panel according to claim 1 , wherein the driving layer comprises a first metal layer and a second metal layer arranged in sequence along a direction away from the substrate, the first signal line layer is located between the first metal layer and the second metal layer; or the first signal line layer is located at a side of the second metal layer away from the substrate; or the first signal line layer is located between the first metal layer and the second metal layer, and the second signal line layer is located at a side of the second metal layer away from the substrate; or the first signal line layer is located at a side of the second metal layer away from the substrate, and the second signal line layer is located at a side of the first signal line layer away from the substrate.

5 . The display panel according to claim 1 , wherein the driving layer comprises a first metal layer, a second metal layer and a third metal layer arranged in sequence along a direction away from the substrate, the first signal line layer is located between the first metal layer and the second metal layer, or the first signal line layer is located between the second metal layer and the third metal layer, or the first signal line layer is located at a side of the third metal layer away from the second metal layer.

6 . The display panel according to claim 5 , wherein the second signal line layer is located at a side of the third metal layer away from the second metal layer, the first signal line layer is located at a side of the third metal layer facing the second metal layer; or both of the first signal line layer and the second signal line layer are located at a side of the third metal layer away from the second metal layer; or the second signal line layer is located between the second metal layer and the third metal layer, the first signal line layer is located between the first metal layer and the second metal layer.

7 . The display panel according to claim 5 , further comprising a planarization layer located between the first electrode layer and the third metal layer, the first signal line layer being located at a side of the planarization layer facing the driving layer, and the second signal line layer being located at a side of the planarization layer facing the first electrode layer.

8 . The display panel according to claim 1 , wherein the second signal line layer and the first electrode layer are arranged in a same layer.

9 . The display panel according to claim 1 , wherein

the second one of the first transparent conducting wire extends along a first direction and is connected to the at least two repeated driving groups that are adjacent along the first direction, and

the second signal line layer further comprises third transparent conducting wires, each of the third transparent conducting wires extends along a second direction and is connected to another at least two repeated driving groups that are adjacent along the second direction.

10 . The display panel according to claim 9 , wherein the first transparent conducting wire is a part of one of a data line and a scanning line, and the third transparent conducting wire is a part of the other of the data line and the scanning line.

11 . The display panel according to claim 1 , wherein the repeated driving group comprises a first driving block and a second driving block, the first driving block comprises at least two of the driving units, the second driving block comprises at least one of the driving units in the repeated driving group other than the first driving block, a distance between adjacent two of the driving units in the first driving block is less than a distance between the first driving block and the second driving block, and the first driving block and the second driving block are connected to each other by the first transparent conducting wire.

12 . The display panel according to claim 11 , wherein an orthographic projection of at least a part of the first driving blocks on the substrate is located within an orthographic projection of one of the plurality of pixel electrodes on the substrate, and an orthographic projection of at least a part of the second driving blocks on the substrate is located within an orthographic projection of another of the plurality of pixel electrodes on the substrate.

13 . The display panel according to claim 1 , comprising a first display area and a second display area, a light transmittance of the first display area being greater than a light transmittance of the second display area, and the first signal line layer being located in the first display area.

14 . The display panel according to claim 13 , wherein an orthographic projection of a pixel electrode in the first display area on the substrate and an orthographic projection of a pixel electrode in the second display area on the substrate are of a same area but different shapes.

15 . The display panel according to claim 1 , wherein

the plurality of pixel electrodes are arranged in rows and columns, the plurality of driving units are arranged in rows and columns, and the driving units have a same arrangement structure as the pixel electrodes, so that the driving units are covered by the pixel electrodes; or

the plurality of driving units are arranged in rows and columns, and the driving units are arranged in a curved or waved path along at least one of a row direction and a column direction.

16 . The display panel according to claim 1 , wherein an area of an orthographic projection of the driving unit on the substrate is less than or equal to a half of a pixel size.

17 . A display apparatus, comprising the display panel according to claim 1 .