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:
Sep. 15, 2020
Filed:
Sep. 01, 2017
Dexerials Corporation, Shinagawa-ku, Tokyo, JP;
Masahiro Oowada, Tome, JP;
Dexerials Corporation, Shinagawa-ku, Tokyo, JP;
Abstract
Disclosed is an inorganic polarizing plate that exhibits improved heat resistance while suppressing an increase in lead time resulting from addition of process steps and an increase in costs. An inorganic polarizing plateincludes: a substrate () transparent to light having a wavelength within a used band; a plurality of linear reflective film layers () arranged on the substrate () at pitches smaller than the wavelength of the light within the used band; a plurality of dielectric film layers () arranged on the corresponding reflective film layers (); and a plurality of absorptive film layers () arranged on the corresponding dielectric film layers (). Each of the absorptive film layers () includes: a property-oriented layer (); and a heat-resistance-oriented layer () made of the same material as the property-oriented layer () and having an extinction coefficient greater than an extinction coefficient of the property-oriented layer ().