Title:
照明装置
Document Type and Number:
Japanese Patent JP7063130
Kind Code:
B2
Abstract:
To provide a luminaire which is advantageous to make both a ceiling surface and a blind surface bright.SOLUTION: A luminaire includes a slat 2. The slat 2 includes: a slat body 7 having a hollow part 8; and a light source part 9 arranged in the hollow part 8. The slat body 7 includes: an indoor side end surface part 11; an indoor side upper surface part 12; a window side upper surface part 13; and an indoor side lower surface part 14. Light emitted from the light source part 9 can be radiated to the outside of the slat 2 from the inner side end surface part 11. The light emitted from the light source part 9 can be radiated to the outside of the slat 2 from the indoor side lower surface part 14. Regarding reflectivity with respect to the light from the outside of the slat 2, the reflectivity of the indoor side upper surface part 12 is higher than the reflectivity of the indoor side lower surface part 14. Light transmittance of the indoor side lower surface part 14 is higher than light transmittance of the indoor side upper surface part 12.SELECTED DRAWING: Figure 2
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Inventors:
Ryo Fushie
Daisuke Matsubara
Yoshino Hayato
Daisuke Matsubara
Yoshino Hayato
Application Number:
JP2018110432A
Publication Date:
May 09, 2022
Filing Date:
June 08, 2018
Export Citation:
Assignee:
Mitsubishi Electric Corporation
Mitsubishi Electric Lighting Co., Ltd.
Mitsubishi Electric Lighting Co., Ltd.
International Classes:
E06B7/28; F21V33/00; F21S2/00; F21S11/00
Domestic Patent References:
| JP2007146395A | ||||
| JP201077638A | ||||
| JP2004278068A | ||||
| JP2002220981A |
Attorney, Agent or Firm:
Takada Mamoru
Hideki Takahashi
Yasuo Koizumi
Hideki Takahashi
Yasuo Koizumi