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:
Nov. 25, 2008

Filed:

May. 12, 2005
Applicants:

Daisuke Nakayama, Kanagawa, JP;

Hiroaki Tsutsui, Kanagawa, JP;

Ryojiro Akashi, Kanagawa, JP;

Masahiro Moriyama, Kanagawa, JP;

Inventors:

Daisuke Nakayama, Kanagawa, JP;

Hiroaki Tsutsui, Kanagawa, JP;

Ryojiro Akashi, Kanagawa, JP;

Masahiro Moriyama, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); C09K 19/00 (2006.01); G02F 1/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical material comprising an ionic liquid and a polymer gel including a light controlling material, wherein the polymer gel absorbs and/or releases the ionic liquid in accordance with a temperature change. Also provided is an optical element comprising two substrates and the optical material between the two substrates.


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