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:
Apr. 05, 2005
Filed:
Nov. 14, 2002
Nobuyuki Hashimoto, Iruma, JP;
Shinya Sato, Tokorozawa, JP;
Nobuyuki Hashimoto, Iruma, JP;
Shinya Sato, Tokorozawa, JP;
Citizen Watch Co., Ltd., Tokyo, JP;
Abstract
A compact liquid crystal optical element for optical modulation and a compact optical device. A liquid crystal optical element for optical modulation is prepared by connecting two transparent substrates, each formed with a transparent electrode and an orientation film, with a sealing member, leaving a clearance between the two transparent substrates. On at least one surface of at least one of these transparent substrates, a diaphragm is formed using a shielding member. With this arrangement, it is possible to provide a more compact liquid crystal optical element than has been conventionally available. At the same time, it is possible to substantially reduce the occurrence of noise. Therefore, it is possible to provide a liquid crystal optical element and an optical device having excellent performance.