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:
Jan. 11, 2022
Filed:
Sep. 22, 2017
Applicant:
Lensvector Inc., San Jose, CA (US);
Inventors:
Tigran Galstian, Quebec, CA;
Karen Asatryan, Quebec, CA;
Armen Zohrabyan, Quebec, CA;
Vladimir Presniakov, Quebec, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/29 (2006.01); G02B 27/09 (2006.01); F21V 14/00 (2018.01); G02B 27/28 (2006.01); G03B 21/14 (2006.01); G03B 21/28 (2006.01);
U.S. Cl.
CPC ...
G02F 1/292 (2013.01); F21V 14/003 (2013.01); G02B 27/095 (2013.01); G02B 27/0927 (2013.01); G02B 27/286 (2013.01); G03B 21/142 (2013.01); G03B 21/28 (2013.01);
Abstract
A lighting device using a liquid crystal beam modulator produces good broadening of a light beam. The liquid crystal cell has a patterned electrode structure having a pattern of paired electrodes on a first one of a pair of cell substrates for providing a spatially modulated electric field extending into a liquid crystal material, and the cell is arranged with respect to a light source so that an incident beam will arrive through another of the pair of substrates and exit from the first one of the pair of substrates.