# US 10,768,487 B2 · Liquid crystal panel and manufacturing method therefor

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- Number: US 10,768,487 B2
- Document ID: US10768487B2
- Status: Granted
- Kind: B2
- Application number: 15/540,949
- Filed: 2017-02-26
- Published: 2019-12-26
- Granted: 2020-09-08
- Earliest claimed: 2016-12-29
- Assignees: Hkc Corporation Limited; Chongqing Hkc Optoelectronics Technology Co., Ltd.
- Applicants: HKC Corporation Limited; Chongqing HKC Optoelectronics Technology Corporation Limited
- Inventors: Yu-Jen Chen
- Web page: https://patentgrep.com/patent/US10768487B2

## CPC

- G02F 1/1339: Gaskets; Spacers; Sealing of cells
- G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)}
- G02F 1/133516: {Methods for their manufacture, e.g. printing, electro-deposition or photolithography}
- G02F 1/13394: {spacers regularly patterned on the cell subtrate, e.g. walls, pillars (G02F1/133377 takes precedence)}
- G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)}
- G02F 1/133514: {Colour filters}
- G02F 1/133555: {Transflectors}
- G02F 1/133707: {Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes}
- G02F 1/13398: {Spacer materials; Spacer properties}
- G02F 1/136222: {Colour filters incorporated in the active matrix substrate}
- 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

This application relates to a liquid crystal panel and a manufacturing method therefor, including: a first substrate, including a plurality of pixel areas, wherein the first substrate includes a first substrate body, a first insulation layer formed on the first substrate body, and a first electrode formed on the first insulation layer; a second substrate, disposed opposite to the first substrate; a plurality of photo spacers, located between the first substrate and the second substrate, and used to define a liquid crystal interval space; and a liquid crystal layer, located between the first substrate and the second substrate, and filling up the liquid crystal interval space. One of the first substrate and the second substrate includes color filters. The color filters include a plurality of color filters disposed in parallel, and a material of one of the plurality of color filters is the same as a material of the photo spacer.

## Claims

### Claim 1

A method for manufacturing a liquid crystal panel, comprising:
providing a second substrate body;
forming color filters on the second substrate body, wherein a plurality of photo spacers are located on the second substrate body, wherein the color filters comprise a plurality of color filters disposed in parallel, and a material of one of the plurality of color filters is the same as a material of the photo spacer;
forming a second electrode on the color filters;
providing a first substrate disposed opposite to the second substrate, wherein the photo spacers are located between the first substrate and the second substrate, and are used to define a liquid crystal interval space, and fill up the liquid crystal interval space;
forming a liquid crystal layer between the first substrate and the second substrate; and
adjusting luminance sensibility, transmittance, and chrominance of the material of the photo spacers such that the material of the photo spacers is the same as the material of a white pixel when forming the color filters,
wherein when the white pixel is formed, formation of the photo spacers is completed, and a required segment gap of the photo spacers is made, and
wherein by adjusting the developing process and photosensitive characteristics of the material of the photo spacers, such that indium tin oxide is formed discontinuous and naturally interrupted at a position of the photo spacers.

### Claim 2 (depends on 1)

The manufacturing method according to claim 1, wherein the photo spacers are in a shape of an inverted trapezoid or resemble a shape of approximately 90°.

### Claim 3 (depends on 1)

The manufacturing method according to claim 1, wherein the second substrate further comprises an adjustment layer in contact with the photo spacers.

### Claim 4 (depends on 1)

The manufacturing method according to claim 1, wherein the second substrate further comprises a light shielding layer substantially located above the photo spacers.

### Claim 5

A method for manufacturing a liquid crystal panel, comprising:
providing a first substrate body;
forming color filters on the first substrate body, and a plurality of photo spacers are located on the first substrate body, wherein the color filters comprise a plurality of color filters disposed in parallel, and a material of one of the plurality of color filters is the same as a material of the photo spacers;
forming a first insulation layer on the color filters;
forming a first electrode layer on the first insulation layer;
providing a second substrate disposed opposite to the first substrate, wherein the photo spacers are located between the first substrate and the second substrate, and are used to define a liquid crystal interval space, and fill up the liquid crystal interval space;
forming a liquid crystal layer between the first substrate and the second substrate; and
adjusting luminance sensibility, transmittance, and chrominance of the material of the photo spacers such that the material of the photo spacers is the same as the material of a white pixel when forming the color filters,
wherein when the white pixel is formed, formation of the photo spacers is completed, and a required segment gap of the photo spacers is made, and
wherein by adjusting the developing process and photosensitive characteristics of the material of the photo spacers, such that indium tin oxide is formed discontinuous and naturally interrupted at a position of the photo spacers.

### Claim 6 (depends on 5)

The manufacturing method according to claim 5, wherein the photo spacers are in a shape of an inverted trapezoid or resemble a shape of approximately 90°.