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. 22, 1998
Filed:
Nov. 04, 1996
Applicant:
Inventors:
Yasumaro Toshima, Yono, JP;
Takaaki Kato, Ina-machi, JP;
Assignee:
Kimoto Co., Ltd., , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; F21V / ; F21S / ;
U.S. Cl.
CPC ...
359599 ; 362 31 ; 362223 ; 362268 ; 362307 ; 362311 ;
Abstract
A light diffusion composite comprises a light diffusion material disposed on a prism sheet, wherein the light diffusion material is obtained by laminating a light diffusion layer including 100 parts by weight of acrylic resin and 100-220 parts by weight of spherical particles of polymethyl methacrylate on a transparent support. The light diffusion composite has better luminance in the front direction than the conventional light diffusion sheet and also has good light diffusibility.
Toshima, Yasumaro. (1998). Light diffusion composite (U.S. Patent No. 5852514). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5852514
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