Title:
LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/085800
Kind Code:
A1
Abstract:
To provide a lighting device having an image projection function, said lighting device being easy to be used by a user. A lighting device of the present invention is provided with: a lighting unit that emits lighting light; a projection-type image display unit that projects an image; and furthermore, a structure for suspending the device from a ceiling surface such that horizontality can be adjusted. The projection-type image display unit displays an image for guiding horizontality adjustment.
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Inventors:
WATANABE KATSUYUKI (JP)
KAKU NOBUYUKI (JP)
ISHIKAWA TATSUYA (JP)
KAKU NOBUYUKI (JP)
ISHIKAWA TATSUYA (JP)
Application Number:
PCT/JP2015/082344
Publication Date:
May 26, 2017
Filing Date:
November 18, 2015
Export Citation:
Assignee:
HITACHI MAXELL (JP)
International Classes:
F21V33/00; F21Y115/10
Foreign References:
| JPH10149720A | 1998-06-02 | |||
| JP2009199982A | 2009-09-03 | |||
| JP2012186118A | 2012-09-27 |
Attorney, Agent or Firm:
TSUTSUI & ASSOCIATES (JP)
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