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:
Jan. 21, 2014
Filed:
Mar. 26, 2010
Yuichi Inoue, Kanagawa, JP;
Eri Fukumoto, Kanagawa, JP;
Tsuyoshi Kamada, Kanagawa, JP;
Ryo Ogawa, Tokyo, JP;
Yuji Nakahata, Kanagawa, JP;
Yuichi Inoue, Kanagawa, JP;
Eri Fukumoto, Kanagawa, JP;
Tsuyoshi Kamada, Kanagawa, JP;
Ryo Ogawa, Tokyo, JP;
Yuji Nakahata, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
A liquid crystal shutter includes a plurality of liquid crystal layers arranged in a light-incident direction; and a plurality of polarizers attached to each of the plurality of liquid crystal layers, polarization axes of 2 adjacent polarizers that have a liquid crystal layer therebetween being crossed at an angle of 90°, the accumulated value of degrees of polarization of polarizers that have polarization axes in a first direction being identical to that of degrees of polarizations of polarizers that have polarization axes in a second direction that crosses the first direction at an angle of 90°.