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. 09, 2015
Filed:
Jan. 20, 2012
Masashi Watanabe, Yamanashi-ken, JP;
Takashi Akiyama, Saitama-ken, JP;
Atsushi Tonosaki, Tokyo, JP;
Takashi Shimura, Yamanashi-ken, JP;
Ken Kobayashi, Yamanashi-ken, JP;
Masashi Watanabe, Yamanashi-ken, JP;
Takashi Akiyama, Saitama-ken, JP;
Atsushi Tonosaki, Tokyo, JP;
Takashi Shimura, Yamanashi-ken, JP;
Ken Kobayashi, Yamanashi-ken, JP;
CITIZEN ELECTRONICS CO., LTD., Yamanashi-Ken, JP;
CITIZEN HOLDINGS CO., LTD., Tokyo, JP;
Abstract
A lighting device includes a light source that includes at least one LED element and a module including a substrate on which the light source is mounted, and a holder in which at least a part of the module is arranged and held. The holder includes a cylindrical portion that includes a stepped portion and a flange of a heat conductor extending from an outer peripheral edge of the stepped portion on which the substrate is arranged, and the holder includes an insulation layer that covers at least outer peripheral surface of the cylindrical portion.