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. 24, 2018
Filed:
Aug. 06, 2013
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Kyung Chang Seo, Daejeon, KR;
Sung-Ho Chun, Daejeon, KR;
Dai Seung Choi, Daejeon, KR;
Mi Ra Hong, Daejeon, KR;
Dong Woo Yoo, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/00 (2006.01); G02B 5/30 (2006.01); C09D 145/00 (2006.01); G02B 1/04 (2006.01); C09D 133/06 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3016 (2013.01); C09D 133/06 (2013.01); C09D 145/00 (2013.01); G02B 1/04 (2013.01); C08L 2201/56 (2013.01); C08L 2203/16 (2013.01); C08L 2205/12 (2013.01); C08L 2312/06 (2013.01); Y10T 428/10 (2015.01); Y10T 428/1005 (2015.01); Y10T 428/1036 (2015.01); Y10T 428/3154 (2015.04); Y10T 428/31924 (2015.04);
Abstract
Disclosed therein are an optical film and a display device comprising the same, where the optical film comprises a first optically anisotropic layer including a liquid crystal compound and a second optically anisotropic layer including a photoreactive polymer, thereby securing improved photoreaction rate and excellent liquid crystal alignment.