# US 12,009,368 B2 · Array substrate and display panel

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- Number: US 12,009,368 B2
- Document ID: US12009368B2
- Status: Granted
- Kind: B2
- Application number: 17/272,941
- Filed: 2018-12-04
- Published: 2022-12-29
- Granted: 2024-06-11
- Earliest claimed: 2018-11-21
- Assignees: Hkc Corporation Limited; Chongqing Hkc Optoelectronics Technology Co., Ltd.
- Applicants: Hkc Corporation Limited; Chongqing Hkc Optoelectronics Technology Co., Ltd.
- Inventors: Chuan Wu
- Web page: https://patentgrep.com/patent/US12009368B2

## CPC

- H10D 86/441: {Interconnections, e.g. scanning lines}
- H10D 86/60: wherein the TFTs are in active matrices
- H10K 59/121: characterised by the geometry or disposition of pixel elements
- H10K 59/124: Insulating layers formed between TFT elements and OLED elements
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

This application discloses an array substrate and a display panel. The array substrate includes a substrate, a plurality of active switches, and a transparent conductive layer. The active switches are formed above the substrate. The transparent conductive layer is formed above the active switches, and is connected to each of the active switches. Each of the active switches includes a metal layer. A hollow structure is mounted on the transparent conductive layer. The hollow structure is located in an overlapping region between the transparent conductive layer and the metal layer.

## Claims

### Claim 1

An array substrate, comprising:
a substrate;
a plurality of active switches formed above the substrate; and
a transparent conductive layer formed above the active switches and connected to each of the active switches, wherein
each of the active switches comprises a metal layer; and
a hollow structure disposed through the transparent conductive layer, and located in an overlapping region between the transparent conductive layer and the metal layer;
wherein the metal layer includes a drain metal layer, and the transparent conductive layer includes a connection section connected to the drain metal layer; and the hollow structure includes a hollowed structure located in an overlapping region between the connection section and the drain metal layer;
wherein the drain metal layer and the hollowed structure are circular;
wherein the drain metal layer and the hollowed structure are concentric circles.

### Claim 2 (depends on 1)

The array substrate according to claim 1, wherein the array substrate includes a data line, and the metal layer includes a source metal layer connected to the data line; and the transparent conductive layer includes another connection section, and the hollow structure includes another hollowed structure located in an overlapping region between the other connection section and the source metal layer.

### Claim 3 (depends on 2)

The array substrate according to claim 2, wherein the source metal layer is circular, and the other hollowed structure is symmetrical with respect to a radial direction of the source metal layer.

### Claim 4 (depends on 2)

The array substrate according to claim 2, wherein the other hollowed structure is at a middle position of the other connection section.

### Claim 5 (depends on 2)

The array substrate according to claim 2, wherein a shape of the other hollowed structure includes a polygonal shape.

### Claim 6 (depends on 2)

The array substrate according to claim 2, wherein a shape of the other hollowed structure includes an arc shape.

### Claim 7 (depends on 1)

The array substrate according to claim 1, wherein the array substrate includes a passivation layer located above the drain metal layer,
and the passivation layer includes a through hole,
and the drain metal layer includes a recess, wherein
the connection section is connected to and fixed in the recess by passing through the through hole.

### Claim 8 (depends on 1)

The array substrate according to claim 1, wherein a shape of the hollowed structure includes a polygonal shape.

### Claim 9 (depends on 1)

The array substrate according to claim 1, wherein a shape of the hollowed structure includes an arc shape.

### Claim 10

An array substrate, comprising:
a substrate;
a plurality of active switches formed above the substrate; and
a transparent conductive layer formed above the active switches and connected to each of the active switches, wherein
each of the active switches comprises a metal layer; and
a hollow structure disposed through the transparent conductive layer and located in an overlapping region between the transparent conductive layer and the metal layer, wherein
the array substrate comprises a data line, and the metal layer comprises a source metal layer and a drain metal layer, the source metal layer being connected to the data line; the transparent conductive layer comprises a first connection section, a second connection section, and a pixel electrode, the second connection section being connected to the drain metal layer, and being connected to the pixel electrode through the first connection section; the hollow structure comprises a first hollow structure and a second hollow structure, the first hollow structure being located in an overlapping region between the first connection section and the source metal layer, and the second hollow structure being located in an overlapping region between the second connection section and the drain metal layer; and
the array substrate further comprises a passivation layer located above the drain metal layer and comprising a through hole, and the drain metal layer comprises a recess, wherein the second connection section connected to and fixed in the recess by passing through the through hole, wherein
the drain metal layer and the second hollow structure are circular;
the drain metal layer and the second hollow structure are concentric circles;
the source metal layer is circular, and the first hollow structure is symmetrical with respect to a radial direction of the source metal layer;
a shape of the first hollow structure is a strip; and
the first hollow structure is at a middle position of the first connection section.

### Claim 11

A display panel, comprising an array substrate, wherein the array substrate comprises:
a substrate;
a plurality of active switches formed above the substrate; and
a transparent conductive layer formed above the active switches and connected to each of the active switches, wherein
each of the active switches comprises a metal layer; and
a hollow structure disposed through the transparent conductive layer and located in an overlapping region between the transparent conductive layer and the metal layer;
wherein the metal layer includes a drain metal layer, and the transparent conductive layer includes a connection section connected to the drain metal layer; and the hollow structure includes a hollowed structure located in an overlapping region between the connection section and the drain metal layer;
wherein the drain metal layer and the hollowed structure are circular;
wherein the drain metal layer and the hollowed structure are concentric circles.

### Claim 12 (depends on 11)

The display panel according to claim 11, wherein the array substrate includes a data line, and the metal layer includes a source metal layer connected to the data line; and the transparent conductive layer includes another connection section, and the hollow structure includes another hollowed structure located in an overlapping region between the other connection section and the source metal layer, wherein
a shape of the other hollowed structure is set to a polygonal shape, a strip shape, an arc shape, or a combination of the above shapes.

### Claim 13 (depends on 11)

The display panel according to claim 11, wherein
a shape of the hollowed structure is set to a polygonal shape, a strip shape, an arc shape, or a combination of the above shapes.
