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:
Dec. 08, 2020
Filed:
Mar. 22, 2017
Dexerials Corporation, Tokyo, JP;
Dexerials Corporation, Tokyo, JP;
Abstract
An optical body includes a first optical transparent layer having quadrangular pyramid-shaped depressions, a wavelength-selective reflecting layer formed on the depressions and selectively reflecting light of a specific wavelength band, and a second optical transparent layer formed on the wavelength-selective reflecting layer. When (θ, ϕ) is taken as the incident angle (θ: angle between perpendicular line relative to second optical transparent layer acting as incident surface and light incident on incident surface; ϕ: angle between specific straight line within incident surface and component resulting from projection of incident light on incident surface), with respect to incident light that is incident on the incident surface from different ϕ directions at θ=60°, the optical body has an average reflection angle of reflected light to the same quadrant as the incident light of 30° or more.