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:
Apr. 11, 2000
Filed:
Apr. 01, 1998
Applicant:
Inventors:
Han-sung Yu, Suwon, KR;
Kwan-young Han, Suwon, KR;
Seong-han Yu, Seoul, KR;
Yong-kyu Jang, Suwon, KR;
Byung-hoon Chae, Seoul, KR;
Jang-kun Song, Seoul, KR;
Assignee:
Samsung Display Devices, Co., Ltd., Kyungki-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525 35 ; 526258 ; 526266 ;
Abstract
An optical alignment polymer and an optical alignment composition having the same are provided. The optical alignment polymer has a compound selected from the group consisting of poly(maleimide), poly(vinyl acetal), poly(phenylene oxide), poly(maleimide styrene) and their derivatives in its main chain, and a photosensitive group at its side chain. The optical alignment polymer can have high level of optical alignment performance and high thermal stability.