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.

Date of Patent:
Aug. 08, 2006

Filed:

Aug. 28, 2002
Applicants:

Philippe Martinot-lagarde, Gif sur Yvette, FR;

Alain Boissier, Marly le Roi, FR;

Jacques Angele, Malakoff, FR;

Bertrand Pecout, Guyancourt, FR;

Ivan N. Dozov, Gif sur Yvette, FR;

Inventors:

Philippe Martinot-Lagarde, Gif sur Yvette, FR;

Alain Boissier, Marly le Roi, FR;

Jacques Angele, Malakoff, FR;

Bertrand Pecout, Guyancourt, FR;

Ivan N. Dozov, Gif sur Yvette, FR;

Assignee:

Nemoptic, Magny Les, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a bistable nematic liquid-crystal device comprising: alignment means, which orient the liquid crystal, means designed to apply electrical signals which allow switching, by breaking the anchoring on at least one of the two substrates, between two distinct textures, and means designed to promote the establishment of that one of the said textures giving the off state in the liquid crystal covering the inter-electrode spaces.


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