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:
Aug. 21, 2007
Filed:
Mar. 01, 2002
Applicants:
Michael John Towler, Oxford, GB;
Elizabeth Jane Acosta, Oxford, GB;
Inventors:
Michael John Towler, Oxford, GB;
Elizabeth Jane Acosta, Oxford, GB;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid crystal device comprises a nematic liquid crystal, voltage means for applying a voltage across said liquid crystal, and two substrates () each provided with an alignment layer (), wherein: said liquid crystal is sandwiched between said two substrates (); said nematic liquid crystal can be placed in at least one operating state and at least one non-operating state, and at least one of said alignment layers () is provided with a plurality of surface protrusions () formed from an anisotropic material.