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 9176349 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 03, 2015

Filed:

Apr. 20, 2015
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Ayako Takagi, Yokosuka, JP;

Shinichi Uehara, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/1343 (2006.01); G02F 1/1333 (2006.01); G02F 1/133 (2006.01); G02F 1/29 (2006.01);
U.S. Cl.
CPC ...
G02F 1/134309 (2013.01); G02F 1/13306 (2013.01); G02F 1/133345 (2013.01); G02F 1/1343 (2013.01); G02F 1/29 (2013.01);
Abstract

A gradient index liquid crystal optical apparatus according to an embodiment includes: a first substrate having a first face; a second substrate having a second face opposed to the first face of the first substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate; a plurality of first electrodes provided on the first face of the first substrate, and arranged along a first direction; a plurality of second electrodes provided on the first face of the first substrate to correspond to the first electrodes, the plurality of second electrodes being arranged along the first direction; a plurality of third electrodes provided on the first face of the first substrate and arranged along the first direction; and a fourth electrode provided on the second face of the second substrate.


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