Title:
照明装置
Document Type and Number:
Japanese Patent JP6799318
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lighting device which enables downsizing of a lamp fitting even in a case where a lighting circuit part is provided at the lamp fitting.SOLUTION: A lighting device 1 is formed in a state where a lamp fitting 3 is supported by an arm so as to rotate relative to an installation surface. The lamp fitting 3 includes and houses a light source part 31 including a light emitting element 311 serving as a light source, a lighting circuit part 34 which supplies lighting power to the light emitting element 311, and a heat radiation part 35 in which the light source part 31 is mounted on the front side and heat of the light emitting element 311 is discharged from the rear side. The lighting circuit part 34 is disposed at a position which is located at the back side of the heat radiation part 35 and is not overlapped with the heat radiation part 35 when the lamp fitting 3 is viewed from a direction orthogonal to a front-back direction of the lamp fitting 3.SELECTED DRAWING: Figure 8
Inventors:
Kazushi Sakai
and Rezan
and Rezan
Application Number:
JP2016225449A
Publication Date:
December 16, 2020
Filing Date:
November 18, 2016
Export Citation:
Assignee:
Iris Ohyama Co., Ltd.
International Classes:
F21S2/00; F21V21/116; F21V23/00; F21V29/10; F21V29/503; F21V29/76
Domestic Patent References:
| JP2009238734A | ||||
| JP2008258066A | ||||
| JP20164720A |
Foreign References:
| WO2014192169A1 |
Attorney, Agent or Firm:
Junji Harada
Yuji Okuyama
Yuji Okuyama