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:
Jul. 05, 2022

Filed:

Aug. 08, 2018
Applicants:

Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;

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

Inventors:

Benlian Wang, Beijing, CN;

Yingsong Xu, Beijing, CN;

Haijun Yin, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/00 (2006.01); H01L 23/58 (2006.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
H01L 23/562 (2013.01); H01L 23/585 (2013.01); H01L 27/1214 (2013.01); H01L 27/1262 (2013.01);
Abstract

A mother substrate for display substrates, a manufacture method thereof, a display substrate and a display device are provided. The mother substrate for display substrates includes multiple display element formation regions and a dividing line surrounding each display element formation region. A recess-protrusion structure is provided between the dividing line and the display element formation region, the recess-protrusion structure includes multiple recesses and protrusions which are arranged alternately, and extension directions of the recess and the protrusion are identical to an extension direction of the dividing line.


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