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:
Jun. 26, 2001
Filed:
Sep. 09, 1998
Applicant:
Inventors:
Ian C. Sage, Malvern, GB;
Damien G. McDonnell, Malvern, GB;
John C. Jones, Malvern, GB;
Andrew Slaney, Malvern, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/906 ; C09K 1/930 ; C09K 1/900 ; C09K 1/912 ; C09K 1/934 ;
U.S. Cl.
CPC ...
C09K 1/906 ; C09K 1/930 ; C09K 1/900 ; C09K 1/912 ; C09K 1/934 ;
Abstract
Ferroelectric liquid crystal devices having two spaced cell walls each bearing electrode structures and treated on at least one facing surface with an alignment layer, and a layer of a smectic liquid crystal material enclosed between the cell walls, exhibits a minimum in its response time versus voltage curve. The crystal material has two components, A and B.