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. 09, 2006
Filed:
May. 03, 2002
Applicants:
Naoki Hiji, Ebina, JP;
Shigeru Yamamoto, Ebina, JP;
Inventors:
Naoki Hiji, Ebina, JP;
Shigeru Yamamoto, Ebina, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); C09K 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid crystal display element has a liquid crystal layer made of cholesteric liquid crystal and a circularly polarizing plate for circularly polarizing light. The liquid crystal layer has the following relation:>1.5where d is a thickness of the liquid crystal layer and p is a helical pitch of the cholesteric liquid crystal.