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. 20, 2003
Filed:
Dec. 15, 2000
Applicant:
Inventors:
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/936 ; C09K 1/942 ; C09K 1/916 ; G02F 1/1333 ;
U.S. Cl.
CPC ...
C09K 1/936 ; C09K 1/942 ; C09K 1/916 ; G02F 1/1333 ;
Abstract
A reflective type liquid crystal display which has, between a pair of transparent substrates with electrodes thereon, a nematic liquid crystal composition which exhibits a cholesteric phase at room temperature. The liquid crystal composition contains a nematic liquid crystal mixture containing a liquid crystalline difluorostilbene compound, and a chiral agent. The concentration of the liquid crystalline difluorostilbene compound in the liquid crystal composition is preferably in a range from 5 wt % to 60 wt %.