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:
May. 16, 2017
Filed:
Dec. 24, 2009
Applicants:
Jun-won Chang, Daejeon, KR;
Moon-soo Park, Daejeon, KR;
Inventors:
Jun-Won Chang, Daejeon, KR;
Moon-Soo Park, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 5/30 (2006.01); G02F 1/13363 (2006.01); G02F 1/1343 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133528 (2013.01); G02B 5/305 (2013.01); G02B 5/3083 (2013.01); G02F 1/13363 (2013.01); G02F 1/134363 (2013.01);
Abstract
A polarizer for use in an IPS-LCD includes: a polarizing element; and a retardation film laminate attached to a surface of the polarizing element. The retardation film laminate includes a combination of a +B film and a −B film or a combination of a +B film and a +A film.