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Title:
LAMP AND ILLUMINATION EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2013/051208
Kind Code:
A1
Abstract:
A lamp (1) comprises: a metal frame (60) formed in cylindrical shape; a power source unit (40) accommodated within the frame (60); a metal base (20) mounted at one end in the cylindrical axis direction of the frame (60); a socket (70) for supplying power to the power supply unit (40) from an external power source, being arranged in a condition electrically insulated from the frame (60), at the other end in the cylindrical axis direction of the frame (60); and a light-emitting section disposed on the upper side of the base (20). An insulating sheet (80) is interposed between the base (20) and a light-emitting section (13). In plan view, the periphery of the insulating sheet (80) extends outward beyond the periphery of a metal circuit board (86), in a location where the distance between the periphery of the metal circuit board (86) and an electrode (13b) is a minimum.

Inventors:
KAKUNO YOSHINORI
SHIDA SATOSHI
TAMURA TETSUSHI
MATSUI NOBUYUKI
Application Number:
PCT/JP2012/005994
Publication Date:
April 11, 2013
Filing Date:
September 21, 2012
Export Citation:
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Assignee:
PANASONIC CORP (JP)
International Classes:
F21S2/00; F21Y101/02
Domestic Patent References:
WO2011007874A12011-01-20
Foreign References:
JP2011181248A2011-09-15
JP2011146241A2011-07-28
JP2010129501A2010-06-10
Attorney, Agent or Firm:
NAKAJIMA, Shiro et al. (JP)
Shiro Nakajima (JP)
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