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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 9796822 B1

PDFFull Text
Date of Patent:
Oct. 24, 2017

Filed:

Apr. 14, 2008

Optical films, retardation films, and liquid crystal display comprising the same

Applicants:

Hee-jung Kim, Daejeon, KR;

Dong-ryul Kim, Daejeon, KR;

Young-whan Park, Daejeon, KR;

Dae-woo Nam, Daejeon, KR;

Boong-goon Jeong, Daejeon, KR;

Inventors:

Hee-Jung Kim, Daejeon, KR;

Dong-Ryul Kim, Daejeon, KR;

Young-Whan Park, Daejeon, KR;

Dae-Woo Nam, Daejeon, KR;

Boong-Goon Jeong, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Dentons US LLP

Primary Examiner:

Eli D Strah

Int. Cl.
CPC ...
G02F 1/1335 (2006.01); C08J 5/18 (2006.01); C08F 293/00 (2006.01); C08G 77/388 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08F 293/00 (2013.01); C08F 293/005 (2013.01); C08G 77/388 (2013.01); G02B 5/3083 (2013.01); B32B 2457/202 (2013.01); C08J 2353/00 (2013.01); G02F 1/133528 (2013.01); G02F 2201/50 (2013.01); G02F 2202/022 (2013.01); Y10T 428/1036 (2015.01); Y10T 428/1045 (2015.01);
Abstract

The present invention relates to an optical film that comprises a block copolymer that comprises a vinyl polymer block containing styrene or a derivative thereof, and a poly-dimethylsiloxane block, a retardation film using the same, a method of manufacturing them, and a liquid crystal display comprising the films.

Find Patent Forward Citations

Kim, Hee-Jung. (2017). Optical films, retardation films, and liquid crystal display comprising the same (U.S. Patent No. 9796822). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9796822

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

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