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:
Nov. 29, 2022

Filed:

Apr. 13, 2021
Applicants:

Ordos Yuansheng Optoelectronics Co., Ltd., Inner Mongolia, CN;

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

Inventors:

Hong Liu, Beijing, CN;

Jingyi Xu, Beijing, CN;

Peng Liu, Beijing, CN;

Yongqiang Zhang, Beijing, CN;

Bo Li, Beijing, CN;

Peirong Huo, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133512 (2013.01); G02F 1/133516 (2013.01);
Abstract

Provided is a black matrix structure including a plurality of crossed black matrix strips. A side surface of the black matrix strip has a roughness less than 2 μm and is intersected with a reference plane. The reference plane being parallel to a plane defined by crossing of the plurality of black matrix strips.


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Liu, Hong. (2022). Black matrix structure, method for manufacturing same, display substrate, and display device (U.S. Patent No. 11513384). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11513384

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