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:
Jan. 31, 2012
Filed:
Mar. 22, 2007
Hiroki Iwanaga, Yokohama, JP;
Akio Amano, Kawasaki, JP;
Kenji Shimomura, Kawasaki, JP;
Kazuaki Ootsuka, Yokosuka, JP;
Hideto Furuyama, Yokohama, JP;
Hiroki Iwanaga, Yokohama, JP;
Akio Amano, Kawasaki, JP;
Kenji Shimomura, Kawasaki, JP;
Kazuaki Ootsuka, Yokosuka, JP;
Hideto Furuyama, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A lighting device including a substrate, and at least three light emitting elements mounted on the substrate, each having an upper light emitting surface in rectangular shape and side light emitting surfaces in rectangular shape. The light emitting elements are positioned to surround a light-gathering region where the light emitting elements are not located, and one of the side light emitting surfaces of each light emitting element is directed to face approximately a central portion of the light-gathering region.