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. 09, 2002
Filed:
May. 14, 1999
Applicant:
Inventors:
Assignee:
Minolta Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/922 ; C09K 1/912 ; C09K 1/930 ;
U.S. Cl.
CPC ...
C09K 1/922 ; C09K 1/912 ; C09K 1/930 ;
Abstract
A liquid crystal composition which contains nematic liquid crystal containing a liquid crystal ester compound and a chiral agent mainly containing an ester compound with no cholesterol rings. The liquid crystal composition exhibits a cholesteric phase in a room temperature. A liquid crystal display has substrates with ITO electrodes thereon and the liquid crystal composition between the substrates. The liquid crystal display further has a columnar structure formed in the liquid crystal composition.