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:
Aug. 05, 2014
Filed:
Jul. 20, 2012
Yosuke Mizuyama, Newton, MA (US);
Yosuke Mizuyama, Newton, MA (US);
Panasonic Corporation, Osaka, JP;
Abstract
A light diffuser panel for coupling to an optical element, includes a substrate with a first surface that is diffusive to a plurality of wavelengths of light and a second surface, wherein the substrate comprises a material with a refractive index nthat is greater than a refractive index nof a medium outside of the first surface, λis a minimum wavelength of the plurality of wavelengths of light, λis a maximum wavelength of the plurality of wavelengths of light, the first surface is a diffractive grating surface with a grating period P, the grating period P is greater than λ/(n+n), and P is smaller than λ.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile