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:
Feb. 05, 2008
Filed:
Aug. 13, 2004
Applicants:
Byoung Kun Jeon, Daejeon, KR;
Sergey Belyaev, Daejeon, KR;
Jeong Su Yu, Daejeon, KR;
Nikolay Malimonenko, Daejeon, KR;
Inventors:
Byoung Kun Jeon, Daejeon, KR;
Sergey Belyaev, Daejeon, KR;
Jeong Su Yu, Daejeon, KR;
Nikolay Malimonenko, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/52 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a complex light compensation C plate including at least two C plates representing different dispersion ratio values, respectively. The complex light compensation C plate improves a contrast characteristic of a liquid crystal display device at various viewing angles and has a broadband wavelength dispersion characteristic capable of minimizing color variation depending on various viewing angles in a black state of an LCD.