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:
Mar. 12, 2019
Filed:
Jan. 07, 2015
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Yoshiaki Asanoi, Ibaraki, JP;
Shoichi Matsuda, Ibaraki, JP;
Hiroyuki Takemoto, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
NITTO DENKO CORPORATION, Ibaraki-shi, JP;
Abstract
A light control device of the present invention includes a first patterning polarizing platecontaining a plurality of polarization regions having different absorption axis directions, a second patterning polarizing platecontaining the same polarization regions as those of the first patterning polarizing plate, and a retardation plate, wherein at least any one of the first and the second patterning polarizing platesis disposed slidably in a plane direction. Such a light control device hardly causes color irregularities and hardly causes a pattern.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile