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:
Sep. 26, 2000
Applicant:
Inventors:
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/920 ; C09K 1/912 ;
U.S. Cl.
CPC ...
C09K 1/920 ; C09K 1/912 ;
Abstract
Disclosed is a chiral nematic liquid crystal composition including a nematic liquid crystal composition and a chiral agent. The nematic liquid crystal composition comprises at least one type of liquid crystal ester compound including an ester unit and at least two fluorine atoms therein; and at least one type of liquid crystal tolan compound including a tolan unit therein. By selecting these liquid crystal compounds, a chiral nematic liquid crystal composition having a broad temperature compensation range and a low drive voltage can be realized.