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:
Jan. 12, 2021
Filed:
Dec. 21, 2018
Dexerials Corporation, Tokyo, JP;
Tomu Takeda, Tokyo, JP;
Dexerials Corporation, Tokyo, JP;
Abstract
To provide a polarizing plate capable of excellently controlling reflectance characteristics, a polarizing plate manufacturing method, and an optical apparatus including the polarizing plate. Provided is a polarizing platewith a wire grid structure, including: a transparent substrateand a grid-shaped convex portionarranged on the transparent substrate at a pitch shorter than a wavelength of light of a use band and extending in a predetermined direction, wherein the grid-shaped convex portionincludes a reflection layer, a first dielectric layer, and an absorption layerin order from the transparent substrate, and wherein the reflection layer and the first dielectric layer have substantially the same width and a minimum width of the absorption layer is smaller than a minimum width of the reflection layer and the first dielectric layer as viewed from a predetermined direction.