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:
Nov. 03, 1998
Filed:
Jan. 10, 1997
Applicant:
Inventors:
Yasumaro Toshima, Yono, JP;
Takaaki Kato, Ina-machi, JP;
Assignee:
Kimoto Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G03B / ;
U.S. Cl.
CPC ...
359707 ; 359452 ; 359455 ;
Abstract
A light diffusion composite comprises a first prism sheet, a second prism sheet and a light diffusion material disposed in this order from the light emitting surface. The light diffusion material comprises a transparent support and a light diffusion layer formed on the support. The light diffusion layer comprises an acrylic resin as a binder resin and light diffusion agents including acrylic resin particles and silicone resin particles. The light diffusion composite has better luminance in the front direction than the conventional light diffusion sheet and also has good light diffusibility.