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. 01, 2011
Filed:
Sep. 08, 2008
Applicants:
Hiroaki Shigeta, Osaka, JP;
Masanobu Okano, Osaka, JP;
Inventors:
Hiroaki Shigeta, Osaka, JP;
Masanobu Okano, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The light from a light source () using an LED enters a light entrance surface () of a light guide plate () which is integrated with an microprism array sheet (). A diffusion film () for diffusing light is bonded to a top surface () of the light guide plate () in a region near the light source ().