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.
Patent No.:
Date of Patent:
Aug. 21, 2018
Filed:
Jun. 16, 2016
Applicants:
Boe Technology Group Co., Ltd., Beijing, CN;
Hefei Boe Optoelectronics Technology Co., Ltd., Anhui, CN;
Inventors:
Assignees:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Anhui, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01); H04N 5/33 (2006.01); H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133723 (2013.01); G02F 1/133784 (2013.01); H04N 5/33 (2013.01); H04N 5/2256 (2013.01);
Abstract
A rubbing mura detection device is provided, including an infrared imaging unit used to acquire an infrared thermogram of a surface of the substrate, on which the alignment film is provided; and a rubbing mura detection unit used to detect whether or not the alignment film has the rubbing mura in accordance with an infrared radiation brightness temperature distribution in the infrared thermogram.