Title:
ELECTRIC BULB TYPE LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2014235792
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an electric bulb type lighting device having a high radiation structure.SOLUTION: An electric bulb type lighting device comprises: a light-emitting body including one or a plurality of semiconductor element; a cover member covering the light-emitting body; a radiator to which the light-emitting body is attached and radiating heat generated in the light-emitting body; a power supply circuit board causing the semiconductor element to emit light; a storage case that is of a cylindrical shape in which one end surface communicates with the other end surface and that stores the power supply circuit board from the one end surface; and a cap attached on one end of the storage case. The radiator includes a mount surface portion to which the light-emitting body is attached and an upward flat portion located on an outer periphery of the mount surface portion and larger in area than the mount surface portion, the upward flat portion being located outside of the cover member.
Inventors:
SAKAMURA JUNICHI
OKADA TAKASHI
YAMAMOTO RYOHEI
NITTA MASAO
FUJITA NOBORU
MIZUTANI HITOSHI
OTAKA HIROYUKI
OKADA TAKASHI
YAMAMOTO RYOHEI
NITTA MASAO
FUJITA NOBORU
MIZUTANI HITOSHI
OTAKA HIROYUKI
Application Number:
JP2013114807A
Publication Date:
December 15, 2014
Filing Date:
May 31, 2013
Export Citation:
Assignee:
HITACHI APPLIANCES INC
International Classes:
F21S2/00
Domestic Patent References:
| JP3176445U | 2012-06-21 | |||
| JP2013065490A | 2013-04-11 | |||
| JP2013008542A | 2013-01-10 |
Foreign References:
| WO2012099683A1 | 2012-07-26 |
Attorney, Agent or Firm:
Manabu Inoue
Yuji Toda
Shigemi Iwasaki
Yuji Toda
Shigemi Iwasaki
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