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:
Jul. 29, 2003
Filed:
Aug. 31, 2000
Applicant:
Inventors:
Nicholas Sharples, Dorset, GB;
Gabrielle Egan, Dorset, GB;
Young Chung, Calabasas, CA (US);
Zhiming Zhuang, Thousand Oaks, CA (US);
Zili Li, Barrington, IL (US);
Bruce K. Winker, Thousand Oaks, CA (US);
Jane H. Hanamoto, Thousand Oaks, CA (US);
David Coates, Dorest, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 1/930 ;
U.S. Cl.
CPC ...
C09K 1/930 ;
Abstract
The invention relates to an optical retardation film comprising a layer of an anisotropic polymer material with an optical axis substantially parallel to the plane of the layer. The invention furthermore relates to a process of preparing the optical retardation film, to the use of such an optical retardation film in liquid crystal displays, and to a liquid crystal display device comprising a liquid crystal cell and such an optical retardation film.