# US 10,503,024 B2 · Liquid crystal display panel and liquid crystal display device

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- Number: US 10,503,024 B2
- Document ID: US10503024B2
- Status: Granted
- Kind: B2
- Application number: 15/951,404
- Filed: 2018-04-12
- Published: 2019-05-23
- Granted: 2019-12-10
- Earliest claimed: 2017-11-17
- Assignees: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Applicants: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Inventors: Zhuming Deng
- Web page: https://patentgrep.com/patent/US10503024B2

## CPC

- G02F 1/1339: Gaskets; Spacers; Sealing of cells
- G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)}
- G02F 1/133514: {Colour filters}
- G02F 1/13394: {spacers regularly patterned on the cell subtrate, e.g. walls, pillars (G02F1/133377 takes precedence)}
- G02F 1/136209: {Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element}
- G02F 1/136286: {Wiring, e.g. gate line, drain line}
- G02F 1/13396: {Spacers having different sizes}
- 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

An embodiment of the present invention discloses a liquid crystal display panel, including: first substrate; a main spacer and a sub-spacer, both disposed on the first substrate, a height of the main spacer is higher than a height of the sub-spacer; wherein an identification tag, disposed adjacent to one of the main spacer and the sub-spacer configured to identify the primary and sub-spacers. An embodiment of the present invention also discloses a liquid crystal display device. With the present invention, there are advantages of easy identification of the main spacer and the sub-spacer.

## Claims

### Claim 1

A liquid crystal display panel, comprising:
a first substrate;
a main spacer and a sub-spacer, both disposed on the first substrate, a height of the main spacer is higher than a height of the sub-spacer; and
an identification tag, disposed adjacent to one of the main spacer and the sub-spacer configured to identify the main spacer and the sub-spacer,
wherein a black matrix is disposed on the first substrate, the main spacer and the sub-spacer are both disposed on the black matrix, and the black matrix is integrally formed with the main spacer and the sub-spacer,
wherein the identification tag is an identification hole formed by hollowing out a portion of the black matrix,
wherein a metal layer is under the identification hole, and the metal layer is opaque, and
wherein a dimension of the identification hole in the lengthwise direction is smaller than a dimension of the metal layer in the lengthwise direction, and a dimension of the identification hole in the widthwise direction is smaller than a dimension of the metal layer in the widthwise direction.

### Claim 2 (depends on 1)

The liquid crystal display panel according to claim 1, wherein the metal layer is a data line or a scan line.

### Claim 3 (depends on 1)

The liquid crystal display panel according to claim 1, wherein a dimension of the identification hole in the lengthwise direction is greater than or equal to 10 μm and a dimension of it in the widthwise direction is greater than or equal to 10 μm.

### Claim 4 (depends on 2)

The liquid crystal display panel according to claim 2, wherein a dimension of the identification hole in the lengthwise direction is greater than or equal to 10 μm and a dimension of it in the widthwise direction is greater than or equal to 10 μm.

### Claim 5 (depends on 1)

The liquid crystal display panel according to claim 1, wherein a number of the main spacers is less than a number of the sub-spacers, and the identification tag is disposed adjacent to the main spacer.

### Claim 6 (depends on 1)

The liquid crystal display panel according to claim 1, wherein a difference between sizes of projections of the main spacer and the sub-spacer on a horizontal plane is less than 10%.

### Claim 7

A liquid crystal display device comprises a liquid crystal display panel, which comprises:
a first substrate;
a main spacer and a sub-spacer, both disposed on the first substrate, a height of the main spacer is higher than a height of the sub-spacer; and
an identification tag, disposed adjacent to one of the main spacer and the sub-spacer configured to identify the main spacer and the sub-spacer,
wherein a black matrix is disposed on the first substrate, the main spacer and the sub-spacer are both disposed on the black matrix, the black matrix is integrally formed with the main spacer and the sub-spacer,
wherein the identification tag is an identification hole formed by hollowing out a portion of the black matrix,
wherein a metal layer is under the identification hole, and the metal layer is opaque, and
wherein a dimension of the identification hole in the lengthwise direction is smaller than a dimension of the metal layer in the lengthwise direction, and a dimension of the identification hole in the widthwise direction is smaller than a dimension of the metal layer in the widthwise direction.

### Claim 8 (depends on 7)

The liquid crystal display device according to claim 7, wherein the metal layer is a data line or a scan line.

### Claim 9 (depends on 7)

The liquid crystal display device according to claim 7, wherein a dimension of the identification hole in the lengthwise direction is greater than or equal to 10 μm and a dimension of it in the widthwise direction is greater than or equal to 10 μm.

### Claim 10 (depends on 7)

The liquid crystal display device according to claim 7, wherein a difference between sizes of projections of the main spacer and the sub-spacer on a horizontal plane is less than 10%.