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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.:

US 8449954 B1

PDFFull Text
Date of Patent:
May. 28, 2013

Filed:

Jul. 06, 2011

Compound having photoreactive functional group, photoreactive polymer, and alignment film comprising the same

Applicants:

Dai-seung Choi, Daejeon, KR;

Sung-ho Chun, Daejeon, KR;

Young-chul Won, Daejeon, KR;

Dong-woo Yoo, Daejeon, KR;

Inventors:

Dai-Seung Choi, Daejeon, KR;

Sung-Ho Chun, Daejeon, KR;

Young-Chul Won, Daejeon, KR;

Dong-Woo Yoo, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:

McKenna Long & Aldridge, LLP

Primary Examiner:

Fred M Teskin

Int. Cl.
CPC ...
C09K 19/38 (2006.01); C08F 36/20 (2006.01); C08G 61/08 (2006.01); C07C 69/76 (2006.01); C07C 69/753 (2006.01); C07C 49/792 (2006.01); C08F 4/80 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a specific photoreactive polymer that shows excellent alignment stability and thermal stability together with excellent liquid crystal alignment, thereby being desirably used in an alignment film of a liquid crystal display device, a compound having a photoreactive functional group that is used as a monomer for the preparation of the photoreactive polymer, and an alignment film.

Find Patent Forward Citations

Choi, Dai-Seung. (2013). Compound having photoreactive functional group, photoreactive polymer, and alignment film comprising the same (U.S. Patent No. 8449954). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8449954

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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