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:
Sep. 24, 2013
Filed:
Aug. 29, 2011
Kenji Takahashi, Osaka, JP;
Yuji Hosoda, Osaka, JP;
Kazushige Sugita, Hyoga, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A lamp light source comprises: a light-emitting unit having a plurality of semiconductor light-emitting elements arranged as a ring on a front face of a mount so as to principally emit light in a frontal direction; and a circuit unit converting externally-supplied electrical power to cause the semiconductor light-emitting elements to emit the light, wherein a through-hole passes vertically through the light-emitting unit at a point inside the ring of semiconductor light-emitting elements, the circuit unit is at least partly arranged within the through-hole, and a space is provided between the circuit unit and the light-emitting unit.