Title:
LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/033820
Kind Code:
A1
Abstract:
A lighting device (105) is provided with a light source unit (1) and a light guiding unit (370). The light source unit (1) includes a light source (1a) for emitting first light. The light guiding unit (370) includes a reflection surface (374) for changing the traveling direction of light to generate reflected light, and guides the light emitted from the light source unit (1) to the reflection surface (374). A plurality of reflection surfaces (374) are provided. The light source unit (1) selectively irradiates the plurality of reflection surfaces (374) with the emitted light. Consequently, an increase in the number of places where the light source (1a) is disposed is suppressed, and a light emission region (5) on the light guiding unit (370) can be changed.
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Inventors:
OSHIMA RITSUYA (JP)
YAMADA AKIHIRO (JP)
SUWA MASASHIGE (JP)
NISHIMURA MASATOSHI (JP)
NAKAMURA KEIJI (JP)
YAMADA AKIHIRO (JP)
SUWA MASASHIGE (JP)
NISHIMURA MASATOSHI (JP)
NAKAMURA KEIJI (JP)
Application Number:
PCT/JP2016/074063
Publication Date:
March 02, 2017
Filing Date:
August 18, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F21S8/10; F21Y115/10; F21Y115/30
Foreign References:
| JP2015011939A | 2015-01-19 | |||
| JP2014082041A | 2014-05-08 | |||
| JP2013080638A | 2013-05-02 |
Attorney, Agent or Firm:
INABA, Tadahiko et al. (JP)
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