The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 08, 2021

Filed:

May. 14, 2018
Applicants:

Chongqing Boe Optoelectronics Technology Co., Ltd., Chongqing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Xiongzhou Wei, Beijing, CN;

Min Li, Beijing, CN;

Qiang Xiong, Beijing, CN;

Chao Liu, Beijing, CN;

Jiaqi Pang, Beijing, CN;

Bin Wan, Beijing, CN;

Hongyu Sun, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/40 (2006.01); G03F 7/105 (2006.01); G02F 1/1335 (2006.01); G03F 7/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133516 (2013.01); G02F 1/1335 (2013.01); G02F 1/133512 (2013.01); G02F 1/133514 (2013.01); G03F 7/0007 (2013.01); G03F 7/105 (2013.01); G03F 7/40 (2013.01);
Abstract

A color filter (CF) substrate, a manufacturing method thereof and a display panel are provided. The manufacturing method of the substrate includes: providing a base substrate; and forming a black matrix layer and a plurality of first sub-pixel units on the base substrate, wherein the black matrix layer and the plurality of first sub-pixel units are made of photoresist of a same material, the material of the photoresist includes an irreversible thermochromic pigment, the photoresist is changed into black color upon being heated, and a color of the photoresist before color change is the same as a color of the first sub-pixel units.


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