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:
Jul. 22, 2025
Filed:
Sep. 14, 2021
Toray Industries, Inc., Tokyo, JP;
Kana Kawahara, Otsu, JP;
Tatsuya Kanzaki, Otsu, JP;
Toray Industries, Inc., Tokyo, JP;
Abstract
A color conversion sheet includes at least a color conversion layer, a color conversion layer, a resin layer, and a base layer, the color conversion layer contains a light-emitting material (a) that exhibits light emission with a peak wavelength observed in a region of 500 nm or more and less than 580 nm, the color conversion layer contains a light-emitting material (b) that exhibits light emission with a peak wavelength observed in a region of 580 nm to 750 nm, a haze value of the color conversion sheet is 20% to 90%, and n, nand nsatisfy relationships (1) or (2), where nis a refractive index of the color conversion layer, nis a refractive index of the color conversion layer, and nis a refractive index of the resin layer:and (1)and. (2)
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile