# US 9,436,050 B2 · Method of planarizing protrusions on an array substrate of a liquid crystal panel

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 9,436,050 B2
- Document ID: US9436050B2
- Status: Granted
- Kind: B2
- Application number: 14/416,534
- Filed: 2014-12-25
- Published: 2016-06-23
- Granted: 2016-09-06
- Earliest claimed: 2014-12-19
- Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Applicants: Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Inventors: Yanxi Ye
- Web page: https://patentgrep.com/patent/US9436050B2

## CPC

- G02F 1/13454: {Drivers integrated on the active matrix substrate (G02F1/136277 takes precedence)}
- G02F 1/133516: {Methods for their manufacture, e.g. printing, electro-deposition or photolithography}
- G02F 1/1337: Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F 1/1341: Filling or closing of cells
- G02F 1/1362: Active matrix addressed cells {(G02F1/134336, G02F1/134363 take precedence)}
- G02F 1/133357: {Planarisation layers}
- G02F 1/133388: {with constructional differences between the display region and the peripheral region}
- G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)}
- 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 method of manufacturing the liquid crystal panel is provided, including: forming an array substrate; forming a color filter substrate; disposing a color planarizing layer on the color filter substrate, and disposing a notch on the color planarizing layer on the color filter substrate; fabricating a liquid crystal cell by using the array substrate and the color filter substrate, and filling liquid crystal molecules within the liquid crystal cell; and forming a on the array substrate in a first deformation region of the array substrate. The liquid crystal cell having non-uniform gaps is prevented.

## Claims

### Claim 1

A method for manufacturing a liquid crystal panel, comprising:
fabricating an array element on a first substrate base to form an array substrate;
disposing a first alignment layer on a display region of the array substrate;
fabricating a black matrix and a color resist on the second substrate base to form a color filter substrate;
disposing a color planarizing layer on the color filter substrate, and disposing a notch on the color planarizing layer in a second deformation region of the color filter substrate;
disposing a second alignment layer on the color planarizing layer of the color filter substrate;
fabricating a liquid crystal cell by using the array substrate and the color filter substrate, and filling liquid crystal molecules within the liquid crystal cell; and
disposing a driver chip on a non-display region of the array substrate, and forming a protrusion on the array substrate in a first deformation region of the array substrate, wherein a position of the first deformation region of the array substrate corresponds to a position of the second deformation region of the color filter substrate; and a depth of the notch is generally same as a height of the protrusion.

### Claim 2 (depends on 1)

The method of manufacturing the liquid crystal panel according to claim 1, after the step of fabricating an array element on a first substrate base to form an array substrate, further comprising:
disposing an array planarizing layer on the array substrate; and
disposing the first alignment layer on the array planarizing layer of the display region of the array substrate.

### Claim 3 (depends on 1)

The method of manufacturing the liquid crystal panel according to claim 1, the step of disposing a color planarizing layer on the color filter substrate, and disposing a notch on the color planarizing layer in a second deformation region of the color filter substrate further comprising:
disposing the color planarizing layer on the color filter substrate;
patterning the color planarizing layer by using a halftone mask, so that the notch of the color planarizing layer is formed on the second deformation region of the color filter substrate.

### Claim 4 (depends on 1)

The method of manufacturing the liquid crystal panel according to claim 1, the step of disposing a color planarizing layer on the color filter substrate, and disposing a notch on the color planarizing layer in a second deformation region of the color filter substrate further comprising:
disposing the first color planarizing layer on the color filter substrate by using a pattern process, wherein the first color planarizing layer is not disposed on the second deformation region of the color filter substrate; and
disposing the second color planarizing layer on the color filter substrate which is provided with the first color planarizing layer, so that the notch of the second color planarizing layer is formed on the second deformation region of the color filter substrate.

### Claim 5

A method for manufacturing a liquid crystal panel, comprising:
fabricating an array element on a first substrate base to form an array substrate;
fabricating a black matrix and a color resist on the second substrate base to form a color filter substrate;
disposing a color planarizing layer on the color filter substrate, and disposing a notch on the color planarizing layer in a second deformation region of the color filter substrate;
fabricating a liquid crystal cell by using the array substrate and the color filter substrate, and filling liquid crystal molecules within the liquid crystal cell; and
disposing a driver chip on a non-display region of the array substrate, and forming a protrusion on the array substrate in a first deformation region of the array substrate, wherein a position of the first deformation region of the array substrate corresponds to a position of the second deformation region of the color filter substrate; and a depth of the notch is generally same as a height of the protrusion.

### Claim 6 (depends on 5)

The method of manufacturing the liquid crystal panel according to claim 5, after the step of fabricating an array element on a first substrate base to form an array substrate, further comprising: disposing a first alignment layer on a display region of the array substrate.

### Claim 7 (depends on 6)

The method of manufacturing the liquid crystal panel according to claim 6, after the step of forming an array element on a first substrate base to form an array substrate, further comprising:
disposing an array planarizing layer on the array substrate; and
disposing the first alignment layer on the array planarizing layer of the display region of the array substrate.

### Claim 8 (depends on 5)

The method of manufacturing the liquid crystal panel according to claim 5, after the step of disposing a color planarizing layer on the color filter substrate, and disposing a notch on the color planarizing layer in a second deformation region of the color filter substrate, further comprising: disposing a second alignment layer on the color planarizing layer of the color filter substrate.

### Claim 9 (depends on 5)

The method of manufacturing the liquid crystal panel according to claim 5, the step of disposing a color planarizing layer on the color filter substrate, and disposing a notch on the color planarizing layer in a second deformation region of the color filter substrate further comprising:
disposing the color planarizing layer on the color filter substrate;
patterning the color planarizing layer by using a halftone mask, so that the notch of the color planarizing layer is formed on the second deformation region of the color filter substrate.

### Claim 10 (depends on 5)

The method of manufacturing the liquid crystal panel according to claim 5, the step of disposing a color planarizing layer on the color filter substrate, and disposing a notch on the color planarizing layer in a second deformation region of the color filter substrate further comprising:
disposing the first color planarizing layer on the color filter substrate by using a pattern process, wherein the first color planarizing layer is not disposed on the second deformation region of the color filter substrate; and
disposing the second color planarizing layer on the color filter substrate which is provided with the first color planarizing layer, so that the notch of the second color planarizing layer is formed on the second deformation region of the color filter substrate.

### Claim 11

A method for manufacturing a liquid crystal panel, comprising:
fabricating an display element on a first substrate base to form an array substrate;
disposing an array planarizing layer on the array substrate, and forming a notch on the array planarizing layer in the first deformation region of the array substrate by using a pattern process;
fabricating a black matrix and a color resist on the second substrate base to form a color filter substrate;
disposing a color planarizing layer on the color filter substrate;
fabricating a liquid crystal cell by using the array substrate and the color filter substrate, and filling liquid crystal molecules within the liquid crystal cell; and
disposing a driver chip on a non-display region of the array substrate, and forming a protrusion on the array substrate in a first deformation region of the array substrate, wherein a depth of the notch is generally same as a height of the protrusion.

### Claim 12 (depends on 11)

The method of manufacturing the liquid crystal panel according to claim 11, after the step of disposing an array planarizing layer of the array substrate, and forming a notch on the array planarizing layer in the first deformation region of the array substrate by using a pattern process, further comprising: disposing a first alignment layer on the array planarizing layer of the display region of the array substrate.

### Claim 13 (depends on 11)

The method of manufacturing the liquid crystal panel according to claim 11, after the step of disposing a color planarizing layer on the color filter substrate, further comprising: disposing a second alignment layer on the color planarizing layer of the color filter substrate.

### Claim 14 (depends on 11)

The method of manufacturing the liquid crystal panel according to claim 11, after the step of disposing an array planarizing layer on the array substrate, and forming a notch on the array planarizing layer in the first deformation region of the array substrate by using a pattern process, further comprising:
disposing the array planarizing layer on the array substrate; and
patterning the array planarizing layer by using a halftone mask, so that the notch of the array planarizing layer is formed on the first deformation region of the array substrate.

### Claim 15 (depends on 11)

The method of manufacturing the liquid crystal panel according to claim 11, the step of disposing an array planarizing layer on the array substrate, and forming a notch on the array planarizing layer in the first deformation region of the array substrate by using a pattern process further comprising:
disposing the first color planarizing layer on the array substrate by using a pattern process, wherein the first color planarizing layer of the array substrate is not disposed on the first array planarizing layer; and
disposing the second color planarizing layer on the array substrate which is provided with the first array planarizing layer, so that the notch of the array planarizing layer is formed on the first deformation region on the array substrate.