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:
Feb. 22, 2011
Filed:
Apr. 23, 2008
Hiroshi Yamaki, Tokyo, JP;
Yusuke Sato, Tokyo, JP;
Takuji Namatame, Tokyo, JP;
Yasuyuki Kawazu, Tokyo, JP;
Hiroshi Yamaki, Tokyo, JP;
Yusuke Sato, Tokyo, JP;
Takuji Namatame, Tokyo, JP;
Yasuyuki Kawazu, Tokyo, JP;
Asahi Kasei Kabushiki Kaisha, Osaka-shi, JP;
Abstract
A wire grid polarizer has mainly a resin substratehaving grid-shaped convex portions, a dielectric layerprovided to cover the grid-shaped convex portionsof the resin substrateand at least part of side facesof the portions, and metal wiresprovided on the dielectric layer. The wire grid polarizer has a microstructural concavo-convex grid structure having grid-shaped convex portions, is not limited in structure, and has both the excellent degree of polarization and excellent transmittance over a wide range in the visible region.