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:
Nov. 13, 2007
Filed:
Mar. 21, 2003
Applicants:
Bertil Helgee, Västra Frölunda, SE;
Latchezar Komitov, Göteborg, SE;
Inventors:
Bertil Helgee, Västra Frölunda, SE;
Latchezar Komitov, Göteborg, SE;
Assignee:
Ecsibeo PPF1 AB, Gothenberg, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01); G02F 1/141 (2006.01); G02F 1/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a liquid crystal device, comprising a liquid crystal bulk layer and chiral dopants being inhomogeneously distributed in the bulk layer as a result of being permanently attached to at least one surface, termed chiral surface. The invention also relates to methods for manufacturing as well as methods for controlling liquid crystal devices.