Title:
照明装置
Document Type and Number:
Japanese Patent JP6857869
Kind Code:
B2
Abstract:
Can reduce the lighting device of the optics loss of indirect lighting light. Embodiment lighting device in the same way (10) possess: device main part (11) forms to axial one end open -ended tube -shape to insert the state of this opening towards the below to bury hole (103) of ceiling (100), key lighting light illuminating part (20) sets up the inside in device main part (11), indirect lightinglight illuminating part (30) sets up the outside in device main part (11). Device main part (11) has protruding portion (12), and this protruding portion (12) are more outstanding than smallpox face (101), becomes towards the opening and the terminal shape that enlarges, and the direction of illumination that makes the light that jets out from the 2nd optical module (31) becomes smallpox face (101) and along the orientation of smallpox face (101). Inserted under the state in imbedding hole (103) in device main part (11), the 2nd optical module (31) set up in space (50) that form between smallpox face (101) and protruding portion (12).
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Inventors:
Atsushi Ishimori
Takashi Arai
Takashi Arai
Application Number:
JP2017042718A
Publication Date:
April 14, 2021
Filing Date:
March 07, 2017
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
F21S8/02
Domestic Patent References:
| JP2010205439A | ||||
| JP2015072882A | ||||
| JP2001035202A |
Foreign References:
| US20160195245 | ||||
| US20110080741 |
Attorney, Agent or Firm:
Patent Corporation yki International Patent Office