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.

Date of Patent:
Aug. 14, 2012

Filed:

May. 23, 2008
Applicants:

Nam-jeong Lee, Daejeon, KR;

Bae-kun Shin, Incheon, KR;

Ki-su RO, Daejeon, KR;

Byoung-ho Jeon, Daejeon, KR;

Beom-seok Kim, Daejeon, KR;

Dong-man Cho, Daejeon, KR;

Sung-hyun Nam, Daejeon, KR;

Eun-mi Seo, Daejeon, KR;

Kyung-seop Noh, Daejeon, KR;

Yoo-young Jung, Ansan-si, KR;

Won-hee Kim, Daejeon, KR;

Inventors:

Nam-Jeong Lee, Daejeon, KR;

Bae-Kun Shin, Incheon, KR;

Ki-Su Ro, Daejeon, KR;

Byoung-Ho Jeon, Daejeon, KR;

Beom-Seok Kim, Daejeon, KR;

Dong-Man Cho, Daejeon, KR;

Sung-Hyun Nam, Daejeon, KR;

Eun-Mi Seo, Daejeon, KR;

Kyung-Seop Noh, Daejeon, KR;

Yoo-Young Jung, Ansan-si, KR;

Won-Hee Kim, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 118/02 (2006.01); C08F 220/10 (2006.01); C08F 20/06 (2006.01); G02F 1/1335 (2006.01); G02B 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides an optical film including a copolymer that includes (a) an alkene monomer, (b) an acrylate monomer, and (c) at least one of an unsaturated organic acid monomer and an unsaturated acid anhydride monomer having one or more double bonds, a protective film for a polarizer film, and a polarizer plate and an image display device using the same.


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