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:
Feb. 17, 2009
Filed:
Aug. 25, 2006
Applicant:
Toru Kokogawa, Tokyo, JP;
Inventor:
Toru Kokogawa, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A surface light source apparatus includes: a fluorescent discharge tube having a bent portion; a light guide plate which has a corner portion facing the bent portion; a rear frame which receives the light guide plate and is formed of a resin material; and a middle frame which is provided parallel with the rear frame and is formed of a resin material. The rear frame or the middle frame has a protrusion which is in contact with the corner portion. The bent portion of the fluorescent discharge tube is disposed in a gap between the protrusion and the side surface of the rear frame.