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.:

US 9207502 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 08, 2015

Filed:

Jul. 12, 2013
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;

Inventors:

Ayako Takagi, Kanagawa-ken, JP;

Shinichi Uehara, Tokyo, JP;

Masako Kashiwagi, Kanagawa-ken, JP;

Masahiro Baba, Kanagawa-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/133 (2006.01); G02F 1/1343 (2006.01); H04N 13/04 (2006.01); G09G 3/36 (2006.01); G02F 1/29 (2006.01);
U.S. Cl.
CPC ...
G02F 1/134336 (2013.01); G02F 1/13306 (2013.01); G02F 1/134309 (2013.01); G02F 1/29 (2013.01); G09G 3/3622 (2013.01); H04N 13/0402 (2013.01); H04N 13/0454 (2013.01); G02F 2203/28 (2013.01);
Abstract

A liquid crystal optical device includes a liquid crystal optical unit and a drive unit. The liquid crystal optical unit includes a first and second substrate unit, and a liquid crystal layer. The first substrate unit includes a first substrate, a plurality of first electrodes, a second electrode, and a third electrode. The second substrate unit includes a second substrate, a plurality of first opposing electrodes, a second opposing electrode, and a third opposing electrode. The drive unit is configured to implement a first operation including subjecting the first electrodes to a first potential, subjecting the second electrode to a second potential, subjecting the third electrode to a third potential, subjecting the first opposing electrodes to a first opposing potential, subjecting the second opposing electrode to a second opposing potential, and subjecting the third opposing electrode to a third opposing potential.


Find Patent Forward Citations

Loading…