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:
Jul. 20, 1999
Filed:
Mar. 25, 1998
Applicant:
Inventors:
Kwan-young Han, Suwon, KR;
Seong-han Yu, Seoul, KR;
Assignee:
Samsung Display Devices Co., Ltd, Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
428-1 ; 528353 ; 349123 ;
Abstract
An optical alignment polymer having an optical aligning functional group simultaneously introduced into its main chain and side chain, an alignment layer formed using the optical alignment polymer and a liquid crystal display device having the alignment layer are provided. The optical alignment polymer has excellent alignment performance and stability against heat or impact.