IP Library Granted Patent US 11,131,877
Granted Patent B2
US 11,131,877 · App. 15/776,367 · Granted Sep 28, 2021

Fabrication method for dye polarizer and display panel

Inventors: Chunqiu Yan (Guangdong, CN); Lixuan Chen (Guangdong, CN); Zhenxia Chen (Guangdong, CN)
Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
G02F1/133528B05D3/0254B05D3/067B05D5/06G02B5/3016G02B5/3025G02F1/133514G02F2202/04
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Quick Facts
Patent No.
US 11,131,877
App. No.
15/776,367
Granted
Sep 28, 2021
Kind
B2
Abstract

A fabrication method of a dye polarizer and a display panel are provided. The fabrication method includes: dissolving a dye mixture and a reactive monomer in a solvent to form a polarization film solution, in which the dye mixture is formed by mixing multiple dichroic dyes and the dye mixture functions to absorb visible light of all wave band; coating the polarization film solution one a base, followed by alignment, to allow the reactive monomer to cure on the base; and repeating the step of forming the dye polarization film for n times to form a dye polarizer including n+1 stacked layers of the dye polarization, where n is a nature number greater than or equal to 2. The display panel includes the dye polarizer that is formed with the fabrication method described above.

Claims (16)

1. A fabrication method for a dye polarizer, comprising:

adding a dye mixture and a reactive monomer in a solvent for dissolving therein to form a polarization film solution, wherein the dye mixture is formed by mixing multiple dichroic dyes and the dye mixture functions to absorb visible light of all wave band;

coating the polarization film solution on a base and carrying out alignment, and allowing the reactive monomer to cure on the base to form a dye polarization film; and

repeating the step of forming the dye polarization film for n times in order to form a dye polarizer that comprises n+1 layers of the dye polarization film that are stacked on each other, wherein n is a natural number that is greater than or equal to 2;

wherein the n+1 layers of the dye polarization film are identical to each other and comprise the cured reactive monomer and the dye mixture stacked on the base, wherein the n+1 layers of the dye polarization film are all identical to each other and are stacked on the base to form a stack of n+1 layers that are all identical, such that the stack is solely made up of layers that are all identical.

2. The fabrication method according to claim 1 , wherein the dye mixture is formed by mixing three dichroic dyes of red color, orange color, and cyan color.

3. The fabrication method according to claim 2 , wherein the solvent comprises dichloromethane or acetone.

4. The fabrication method according to claim 2 , wherein in the step of “coating the polarization film solution on a base and carrying out alignment, and allowing the reactive monomer to cure on the base to form a dye polarization film”, alignment is carried out as a light alignment operation conducted with linearly polarized light.

5. The fabrication method according to claim 2 , wherein in the step of “coating the polarization film solution on a base and carrying out alignment, and allowing the reactive monomer to cure on the base to form a dye polarization film”, curing is conducted by applying heat to the reactive monomer to cure the reactive monomer.

6. The fabrication method according to claim 2 , wherein in the step of “coating the polarization film solution on a base and carrying out alignment, and allowing the reactive monomer to cure on the base to form a dye polarization film”, curing is conducted by subjecting the reactive monomer to irradiation of ultraviolet light to have the reactive monomer cured.

7. The fabrication method according to claim 2 , wherein the base comprises a substrate of a display panel or a functional film layer of the display panel.

8. The fabrication method according to claim 1 , wherein the solvent comprises dichloromethane or acetone.

9. The fabrication method according to claim 1 , wherein in the step of “coating the polarization film solution on a base and carrying out alignment, and allowing the reactive monomer to cure on the base to form a dye polarization film”, alignment is carried out as a light alignment operation conducted with linearly polarized light.

10. The fabrication method according to claim 1 , wherein in the step of “coating the polarization film solution on a base and carrying out alignment, and allowing the reactive monomer to cure on the base to form a dye polarization film”, curing is conducted by applying heat to the reactive monomer to cure the reactive monomer.

11. The fabrication method according to claim 1 , wherein in the step of “coating the polarization film solution on a base and carrying out alignment, and allowing the reactive monomer to cure on the base to form a dye polarization film”, curing is conducted by subjecting the reactive monomer to irradiation of ultraviolet light to have the reactive monomer cured.

12. The fabrication method according to claim 1 , wherein the base comprises a substrate of a display panel or a functional film layer of the display panel.

Assignments (2)
CHANGE OF NAME Recorded Sep 2, 2020
From: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
To: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Reel/Frame 053681/0016 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 15, 2018
From: YAN, CHUNQIU; CHEN, LIXUAN; CHEN, ZHENXIA
To: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Reel/Frame 046161/0798 →
Priority Claims (1)
CN 201710530079.2 · Jun 30, 2017 · national
Continuity (1)
Related Publication 20200257164A1 · Aug 13, 2020