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:
Oct. 11, 2016
Filed:
Aug. 12, 2013
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Yupeng Wang, Beijing, CN;
Chao Tian, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
A rubbing cloth, a roller, a method of forming an LC alignment angle and a method of cleaning debris are provided. The rubbing cloth is dyed by using a solution dissolved with a dye containing at least one of hydroxyl group and cyano-group. An outer surface of the roller is provided with the rubbing cloth. The method of forming the LC alignment angle forms the LC alignment angle by using a roller with an outer surface wrapped by the rubbing cloth of the present invention. The method of cleaning debris cleans debris by using the rubbing cloth or the roller under illumination condition. They present advantages of excellent cleaning effect, simple implementation and low cost.