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:
Dec. 21, 1999
Filed:
Dec. 11, 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 ...
C08K / ;
U.S. Cl.
CPC ...
524380 ; 349124 ;
Abstract
An optical alignment composition, an alignment layer formed using the same with an excellent thermal stability, and an LCD having the alignment layer are provided. The optical alignment composition includes a multifunctional cinnamate compound and a cinnamate group containing polymer in a weight ratio of 1:9 to 2:8. Thus, an optical alignment composition and an alignment layer each having excellent thermal stability and alignment property can be obtained while adopting a non-destructive optical alignment method. Accordingly, an LCD with improved performance can be obtained.