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. 15, 2014
Filed:
Aug. 28, 2008
Tadayuki Kameyama, Ibaraki, JP;
Hiroaki Mizushima, Ibaraki, JP;
Youichirou Sugino, Ibaraki, JP;
Morimasa Wada, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
Hiroaki Mizushima, Ibaraki, JP;
Youichirou Sugino, Ibaraki, JP;
Morimasa Wada, Ibaraki, JP;
Nitto Denko Corporation, Ibaraki-shi, JP;
Abstract
A polarizer that can be used for forming a liquid crystal display or an electroluminescent display with less display irregularities and excellent display characteristics is provided. The polarizer contains a dichroic material in a matrix, and its in-plane retardation at a measurement wavelength providing no absorption is in a range of 950 to 1350 nm. The measurement wavelength is preferably a wavelength that the dichroic material provides no absorption, and it is 1000 nm, for example.