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:
Aug. 20, 2013
Filed:
Jan. 07, 2009
Applicants:
Dong-ryul Kim, Daejeon, KR;
Boong-goon Jeong, Daejeon, KR;
Dae-woo Nam, Daejeon, KR;
Myeong-geun Ko, Daejeon, KR;
Min-hee Lee, Daejeon, KR;
Jun-geun Um, Daejeon, KR;
Inventors:
Dong-Ryul Kim, Daejeon, KR;
Boong-Goon Jeong, Daejeon, KR;
Dae-Woo Nam, Daejeon, KR;
Myeong-Geun Ko, Daejeon, KR;
Min-Hee Lee, Daejeon, KR;
Jun-Geun Um, Daejeon, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an optical film that comprises an aromatic based resin comprising a chain having the hydroxy group containing portion and aromatic moiety and a polarizing plate and an information electronic device that include the same. The in-plane retardation Ris in the range of 30 to 600 nm and the thickness retardation Ris in the range of 30 to 400 nm.