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:
Jun. 28, 2011
Filed:
Feb. 27, 2006
Atsushi Nagasawa, Tsukuba, JP;
Yasuyuki Sanai, Nagoya, JP;
Atsushi Nagasawa, Tsukuba, JP;
Yasuyuki Sanai, Nagoya, JP;
Kuraray Co., Ltd., Kurashiki-shi, JP;
Toagosei Co., Ltd., Tokyo, JP;
Abstract
To provide a light diffusion film that contributes lightweight with reduction in thickness, a planar light source element utilizing the light diffusion film, and a liquid crystal display device utilizing the light diffusion film and/or the planar light source element. A light diffusion film () having a plurality of projections () of a specific shape is at least partly formed from a composition containing a mixture of a photocurable compound and a particulate material. A light guide plate (), provided with one or more light sources () at one side face thereof, is bonded to vertexes of the projections () to provide a planar light source element, which is thin and lightweight and capable of emitting non-glaring light uniformly from the entire surface thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile