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. 11, 2001
Filed:
Nov. 30, 1999
Applicant:
Inventors:
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/952 ; C09K 1/930 ; G02F 1/1333 ;
U.S. Cl.
CPC ...
C09K 1/952 ; C09K 1/930 ; G02F 1/1333 ;
Abstract
A reflective type liquid crystal display which has a pair of substrates, at least one of which is transparent and a liquid crystal composition filled between the substrates. The liquid crystal composition contains a liquid crystal mixture and a chiral agent and exhibits a cholesteric phase in a room temperature. The liquid crystal mixture contains a liquid crystal phenylcyclohexane compound at 45 to 60 wt % and a liquid crystal tolan compound at 5 to 15 wt %.