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:
Nov. 02, 1999
Filed:
Dec. 29, 1997
Applicant:
Inventors:
Han-sung Yu, Suwon, KR;
Byung-hoon Chae, Seoul, KR;
Assignee:
Samsung Display Devices Co., Ltd., Kyungki-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; G02F / ; B32B / ;
U.S. Cl.
CPC ...
428-11 ; 2522994 ; 428 474 ; 349123 ;
Abstract
An optical alignment composition including polyimide having a cinnamate group at its side chain is disclosed. Also, there are disclosed an alignment layer formed using the composition and a liquid crystal display device (LCD) having the same. The alignment layer has an excellent thermal stability. According to the present invention, Since the alignment layer with excellent thermal stability is obtained, the LCD having excellent performance can be manufactured.