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:
Oct. 21, 2014

Filed:

Dec. 19, 2008
Applicants:

Jeong-min Choi, Daejeon, KR;

Yoo-seong Hong, Daejeon, KR;

Min-hee Lee, Daejeon, KR;

Sang-min Kwak, Daejeon, KR;

Jun-geun Um, Suwon-si, KR;

Kyung-sik Kim, Daejeon, KR;

Inventors:

Jeong-Min Choi, Daejeon, KR;

Yoo-Seong Hong, Daejeon, KR;

Min-Hee Lee, Daejeon, KR;

Sang-Min Kwak, Daejeon, KR;

Jun-Geun Um, Suwon-si, KR;

Kyung-Sik Kim, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 27/18 (2006.01); G02B 5/30 (2006.01); B32B 27/30 (2006.01);
U.S. Cl.
CPC ...
B32B 27/30 (2013.01); B32B 27/18 (2013.01); G02B 5/3083 (2013.01);
Abstract

The present invention provides a retardation film that comprises a) a first acrylic resin layer; and b) a second acrylic resin layer that is layered on at least one side of a) the first acrylic resin layer and comprises an acrylic resin and 1 to 20 parts by weight of rubber component based on 100 parts by weight of the acrylic resin. The retardation film according to the present invention has excellent optical transparency, haze, brittleness, mechanical strength, heat resistance, durability, and the like.


Find Patent Forward Citations

Loading…