Title:
照明装置
Document Type and Number:
Japanese Patent JP6649998
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lighting device which can prevent deterioration and failure of a receiving part which receives a signal from an exterior part.SOLUTION: On a substrate 41 of a light source module 40, a circular hole 44 is provided at a center part. LED modules 42, 43 having a plurality of different luminous colors are alternately disposed around the hole 44 in an annular form on the substrate 41 so as to be spaced a proper distance away from each other. Further, a diameter of the hole 44 is larger than a dimension of a remote control light receiving part 45. The remote control light receiving part 45 is disposed isolated from the substrate 41 at a substantially center of the hole 44. The remote control light receiving part 45 is attached onto a heat sink 20 and provided on a substrate separated from the substrate 41.SELECTED DRAWING: Figure 15
Inventors:
Masashi Yamamoto
Atsushi Tokura
Atsushi Tokura
Application Number:
JP2018150196A
Publication Date:
February 19, 2020
Filing Date:
August 09, 2018
Export Citation:
Assignee:
Sharp Corporation
International Classes:
F21K9/238; F21S2/00; F21V19/00; F21V23/04; F21V29/503; F21V29/508; F21V29/77; H05B47/00
Domestic Patent References:
| JP2001325810A | ||||
| JP2005135797A | ||||
| JP2008098116A |
Foreign References:
| CN201039528Y | ||||
| WO2010116200A1 | ||||
| WO2007020720A1 |
Attorney, Agent or Firm:
Takahiko Yoshida