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:
Apr. 09, 2013
Filed:
May. 26, 2009
Kozo Ogawa, Yokosuka, JP;
Aiko Takahashi, Yokohama, JP;
Nobuhiko Betsuda, Yokohama, JP;
Hiroki Tamai, Yokosuka, JP;
Kiyoshi Nishimura, Yokosuka, JP;
Akiko Saito, Yokohama, JP;
Ryotaro Matsuda, Yokosuka, JP;
Kozo Ogawa, Yokosuka, JP;
Aiko Takahashi, Yokohama, JP;
Nobuhiko Betsuda, Yokohama, JP;
Hiroki Tamai, Yokosuka, JP;
Kiyoshi Nishimura, Yokosuka, JP;
Akiko Saito, Yokohama, JP;
Ryotaro Matsuda, Yokosuka, JP;
Abstract
A spotlight is provided with a substrate having LEDs disposed thereon and a main body casing on which the substrate is provided. The main body casing has a rear side portion having thermal conductivity, which is thermally coupled to the substrate, and is capable of changing the irradiation angle of light emitted from the LEDs. A plurality of heat-radiating fins for forming grooves operating as a plurality of convection paths along the direction of changing the irradiation angle are provided on the rear side portion of the main body casing.