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:
Feb. 25, 2003
Filed:
Feb. 17, 2000
Applicant:
Inventors:
Hideo Ichinose, Odawara, JP;
Shinji Nakajima, Atsugi, JP;
Akiko Takashima, Aikawa-machi, JP;
Masako Nakamura, Yamatokoriyama, JP;
Yoshito Hashimoto, Ikoma, JP;
Makoto Kanbe, Tenri, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/930 ; C09K 1/920 ; C09K 1/942 ; G02F 1/13 ;
U.S. Cl.
CPC ...
C09K 1/930 ; C09K 1/920 ; C09K 1/942 ; G02F 1/13 ;
Abstract
The invention relates to dielectrically positive nematic liquid crystal compositions for active matrix displays with high voltage holding ratio and very low birefringence. The composition of the mixtures is given in claim The compositions are particularly suited for reflective displays. The invention further relates to particular reflective displays with low optical retardation.