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. 08, 2022
Filed:
Sep. 11, 2018
Nitto Denko Corporation, Baraki, JP;
Takehito Fuchida, Ibaraki, JP;
Shusaku Goto, Ibaraki, JP;
Katsunori Takada, Ibaraki, JP;
Yoshitsugu Kitamura, Ibaraki, JP;
NITTO DENKO CORPORATION, Ibaraki, JP;
Abstract
An object of the present invention is to provide a polarizer having a neutralized hue without any increase in transmittance. A polarizer of the present invention having a transmittance parameter represented by the equation (1) of 0.8 or more and a hue parameter represented by the equation (2) of 5 or less:Transmittance parameter=  (1)in the equation (1), Trepresents a parallel transmittance at a wavelength of 420 nm and Trepresents a parallel transmittance at a wavelength of 550 nm;Hue parameter=()  (2)in the equation (2), a represents a parallel hue value 'a' and b represents a parallel hue value 'b'.