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. 10, 2014
Filed:
Dec. 21, 2010
Applicants:
Masahiro Higashitani, Osaka, JP;
Kenichiro Kawasaki, Osaka, JP;
Inventors:
Masahiro Higashitani, Osaka, JP;
Kenichiro Kawasaki, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 1/04 (2006.01); H01L 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light guide deviceis provided with a plurality of protruding portionsandthat protrude in a light emission direction, and entire end surfaces of these protruding portionsandthat face in the light emission direction form emission end surfacesand, and a diffusion component is installed on each of these emission end surfacesand