Title:
ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/199685
Kind Code:
A1
Abstract:
This illumination device 1 includes: a light source 13; a light control element 15 that is disposed between the light source 13 and an observer and that receives light from the light source 13; a camera 16 that detects the position of the observer; and a control unit 18 that determines a light blocking region, of the light control element 15, through which an optical path connecting the light source 13 and the observer passes and a transmission region, of the light control element 15, other than the light blocking region and that causes a light quantity in the light blocking region to be less than a light quantity in the transmission region.
Inventors:
DAIKU YASUHIRO (JP)
Application Number:
PCT/JP2016/066490
Publication Date:
December 15, 2016
Filing Date:
June 02, 2016
Export Citation:
Assignee:
ORTUS TECHNOLOGY CO LTD (JP)
International Classes:
F21V9/40; G02F1/13; G02F1/163; H05B37/02
Foreign References:
| JP2014175224A | 2014-09-22 | |||
| JP2005145219A | 2005-06-09 | |||
| JP2009198814A | 2009-09-03 | |||
| JP2012204184A | 2012-10-22 | |||
| JP2014204550A | 2014-10-27 |
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
Masatoshi Kurata (JP)
Masatoshi Kurata (JP)
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