# US 10,768,456 B2 · LTPS display panel and liquid crystal display device

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- Number: US 10,768,456 B2
- Document ID: US10768456B2
- Status: Granted
- Kind: B2
- Application number: 16/317,546
- Filed: 2018-08-02
- Published: 2020-03-12
- Granted: 2020-09-08
- Earliest claimed: 2018-03-19
- Assignees: Wuhan China Star Optoelectronics Technology Co., Ltd.
- Applicants: Wuhan China Star Optoelectronics Technology Co., Ltd.
- Inventors: Xiaojiang Yu
- Web page: https://patentgrep.com/patent/US10768456B2

## CPC

- G02F 1/1333: Constructional arrangements; {Manufacturing methods}(G02F1/135, G02F1/136 take precedence)
- G02F 1/133351: {Manufacturing of individual cells out of a plurality of cells, e.g. by dicing}
- G02F 1/13338: {Input devices, e.g. touch panels}
- G02F 1/133514: {Colour filters}
- G02F 1/1339: Gaskets; Spacers; Sealing of cells
- G02F 1/133302: {Rigid substrates, e.g. inorganic substrates}
- G02F 2202/104: poly-Si
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS

## Abstract

A low temperature poly-silicon (LTPS) display panel and a liquid crystal display device include a color filter substrate, an array substrate, and a frame sealing glue. The array substrate includes a glass substrate, a functional structure layer, and a third inorganic dielectric layer. The third inorganic dielectric layer connects with the frame sealing glue, and at least a row of first anti-crack holes are formed on the third inorganic dielectric layer adjacent to the frame sealing glue. The at least a row of first anti-crack holes include a plurality of the first anti-crack holes arranged in a direction along and in parallel with the frame sealing glue.

## Claims

### Claim 1

A low temperature poly-silicon (LTPS) display panel, including:
a color filter substrate, an array substrate, and a frame sealing glue, the array substrate and the color filter substrate cell-assembled through the frame sealing glue, and the array substrate comprising:
a glass substrate;
a functional structure layer disposed on the glass substrate;
wherein the functional structure layer comprises:
a first inorganic dielectric layer disposed on the glass substrate;
a source/drain metal layer disposed on the first inorganic dielectric layer;
a planar layer disposed on the first inorganic dielectric layer and the source/drain metal layer;
a second inorganic dielectric layer disposed on the planar layer;
a touch control electrode metal layer disposed on the second inorganic dielectric layer; and
a third inorganic dielectric layer disposed on the second inorganic dielectric layer and the touch control electrode metal layer, and the third inorganic dielectric layer connected with the frame sealing glue;
wherein at least a row of first anti-crack holes are formed in the third inorganic dielectric layer adjacent to the frame sealing glue, each said row of first anti-crack holes comprise a plurality of the first anti-crack holes arranged in a direction along and in parallel with the frame sealing glue, each of the first anti-crack holes has a rectangular shape and is coaxial with an arranged direction of each said row of first anti-crack holes in a longitudinal direction;
wherein a number of the at least a row of first anti-crack holes is two, and the two rows of the first anti-crack holes are mutually staggered.

### Claim 2 (depends on 1)

The LTPS display panel of claim 1, wherein at least a row of second anti-crack holes are formed in the second inorganic dielectric layer, each said row of second anti-crack holes comprise a plurality of the second anti-crack holes arranged in a direction along and in parallel with the frame sealing glue, and each of the first anti-crack holes corresponds to position and cross-sectional size of each of the second anti-crack holes.

### Claim 3 (depends on 2)

The LTPS display panel of claim 2, wherein the first inorganic dielectric layer is a silicon dioxide dielectric layer.

### Claim 4 (depends on 2)

The LTPS display panel of claim 2, wherein at least a row of third anti-crack holes are formed in the planar layer, each said row of third anti-crack holes comprise a plurality of the third anti-crack holes arranged in a direction along and in parallel with the frame sealing glue, and each of the third anti-crack holes corresponds to each of the second anti-crack holes.

### Claim 5 (depends on 4)

The LTPS display panel of claim 4, wherein the third anti-crack holes decrease progressively in width in a direction away from the second anti-crack holes.

### Claim 6 (depends on 5)

The LTPS display panel of claim 5, wherein a depth of the third anti-crack holes is less than a thickness of the planar layer.

### Claim 7

A low temperature poly-silicon (LTPS) display panel, including:
a color filter substrate, an array substrate, and a frame sealing glue, the array substrate and the color filter substrate cell-assembled through the frame sealing glue, and the array substrate comprising:
a glass substrate; and
a functional structure layer disposed on the glass substrate;
wherein the functional structure layer comprises:
a first inorganic dielectric layer disposed on the glass substrate;
a source/drain metal layer disposed on the first inorganic dielectric layer;
a planar layer disposed on the first inorganic dielectric layer and the source/drain metal layer;
a second inorganic dielectric layer disposed on the planar layer;
a touch control electrode metal layer disposed on the second inorganic dielectric layer; and
a third inorganic dielectric layer disposed on the second inorganic dielectric layer and the touch control electrode metal layer, the third inorganic dielectric layer connected with the frame sealing glue, at least a row of first anti-crack holes formed in the third inorganic dielectric layer adjacent to the frame sealing glue, each said row of first anti-crack holes comprising a plurality of the first anti-crack holes arranged in a direction along and in parallel with the frame sealing glue;
wherein at least a row of second anti-crack holes are formed in the second inorganic dielectric layer, each said row of second anti-crack holes comprise a plurality of the second anti-crack holes arranged in a direction along and in parallel with the frame sealing glue, and each of the first anti-crack holes corresponds to position and cross-sectional size of each of the second anti-crack holes;
wherein at least a row of third anti-crack holes are formed in the planar layer, each said row of third anti-crack holes comprise a plurality of the third anti-crack holes arranged in a direction along and in parallel with the frame sealing glue, and each of the third anti-crack holes corresponds to each of the second anti-crack holes;
wherein the third anti-crack holes decrease progressively in width in a direction away from the second anti-crack holes, and a depth of the third anti-crack holes is less than a thickness of the planar layer.

### Claim 8 (depends on 7)

The LTPS display panel of claim 7, wherein the first inorganic dielectric layer is a silicon dioxide dielectric layer.

### Claim 9 (depends on 7)

The LTPS display panel of claim 7, wherein each of the first anti-crack holes has a rectangular shape and is coaxial with an arranged direction of each said row of first anti-crack holes in a longitudinal direction.

### Claim 10 (depends on 9)

The LTPS display panel of claim 9, a number of the at least a row of first anti-crack holes is two, and the two rows of the first anti-crack holes are mutually staggered.