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:
Sep. 20, 2005
Filed:
Jul. 29, 2004
Applicants:
Jun Yamada, Takatsuki, JP;
Masakazu Okada, Kyoto, JP;
Kiyofumi Hashimoto, Suita, JP;
Mitsuyoshi Miyai, Sakai, JP;
Inventors:
Jun Yamada, Takatsuki, JP;
Masakazu Okada, Kyoto, JP;
Kiyofumi Hashimoto, Suita, JP;
Mitsuyoshi Miyai, Sakai, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F001/1337 ; C09K009/02 ;
U.S. Cl.
CPC ...
Abstract
A liquid crystal light modulation element is provided that includes a liquid crystal layer held between a pair of substrates. The liquid crystal layer includes a liquid crystal material that exhibits a cholesteric phase and has a plurality of domains. The liquid crystal layer includes regions where the helical axes of the liquid crystal molecules in a focal conic state extend in regular directions within a plane that is substantially parallel to the surface substrate.