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:
Mar. 03, 2009
Filed:
Dec. 28, 2004
Tadahiro Masaki, Tokyo, JP;
Fumihiro Arakawa, Tokyo, JP;
Tadahiro Masaki, Tokyo, JP;
Fumihiro Arakawa, Tokyo, JP;
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Abstract
A light diffusion filmaccording to the present invention comprises a transparent substrateand a light-diffusing layerprovided on the transparent substrateand the light-diffusing layercomprises an ionizing radiation curing resin and an ultraviolet light absorber and has, on its surface, fine irregularitiesthat have a function of diffusing light. The ultraviolet light absorber is one, or two or more compounds selected from benzotriazole ultraviolet light absorbers, salicylate ultraviolet light absorbers, and benzophenone ultraviolet light absorbers. The light-diffusing layerdoes not contain any filler having a function of diffusing light but has, on its surface, fine irregularitiesmade by DPS (Drum Printing System).