Title:
照明器具
Document Type and Number:
Japanese Patent JP5737599
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a light emitting device and a lighting fixture that can restrain a temperature rise of light emitting elements.SOLUTION: A light emitting device 2 according to the present invention comprises: a board 21; a plurality of light emitting elements 22 such as LEDs mounted on the board 21; and a wiring pattern layer 21a that are formed on a surface of the board 21 and in which areas Sc to which cathode side electrodes Ce are connected are formed more widely than areas Sa to which anode side electrodes Ae in the light emitting elements 22 such as LEDs are connected.
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Inventors:
Kazumi Aoki
Hirokazu Otake
Akinori Noguchi
Takawada Owada
Hiroya Suga
Hirokazu Otake
Akinori Noguchi
Takawada Owada
Hiroya Suga
Application Number:
JP2014120115A
Publication Date:
June 17, 2015
Filing Date:
June 11, 2014
Export Citation:
Assignee:
Toshiba Lighting & Technology Corporation
International Classes:
F21S8/04; F21V19/00; F21V23/00
Domestic Patent References:
| JP2008124008A | ||||
| JP2009117228A | ||||
| JP2010015713A | ||||
| JP2002109912A | ||||
| JP2009009926A |
Foreign References:
| WO2010081559A1 |
Attorney, Agent or Firm:
Kumagai Masatoshi