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:
Jul. 28, 2009
Filed:
Mar. 21, 2006
Applicants:
Megumi Horiuchi, Fujiyoshida, JP;
Toshiro Yukinari, Fujiyoshida, JP;
Inventors:
Megumi Horiuchi, Fujiyoshida, JP;
Toshiro Yukinari, Fujiyoshida, JP;
Assignee:
Citizen Electronics Co., Ltd, Yamanashi-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/133 (2006.01); G02F 1/1347 (2006.01); G02F 1/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid crystal lens comprises a first liquid crystal lens part. The first liquid crystal part comprises first and second flat parallel substrates and a liquid crystal filled between said first and second light-transmitting regions. First and second electrodes are provided on said first and second substrates, respectively, to apply a voltage across the first liquid crystal. An electric heating element is provided on said first substrate to heat said first liquid crystal.