Title:
LED LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/030578
Kind Code:
A1
Abstract:
Up until now, directivity of light from an LED (light emitting element) was strong, and lighting up a wide range was not possible with LEDs. Neither was adjustment of the quality or distribution of lighting possible with LEDs. Adjustment of the quality or distribution of lighting was made possible, by arranging a liquid crystal panel in front of the LEDs (light emitting elements), and controlling the light from the LEDs (light emitting elements).
Inventors:
KATAOKA SHOEI (JP)
KATAOKA TERUYUKI (JP)
KATAOKA TERUYUKI (JP)
Application Number:
PCT/JP2010/054373
Publication Date:
March 17, 2011
Filing Date:
March 16, 2010
Export Citation:
Assignee:
KATAOKA SHOEI (JP)
KATAOKA TERUYUKI (JP)
KATAOKA TERUYUKI (JP)
International Classes:
F21S2/00; F21V5/04; F21V9/40; F21V23/00; F21V23/04; G02F1/13; H01L33/00; F21Y101/02
Foreign References:
| JP2009168962A | 2009-07-30 |
Attorney, Agent or Firm:
HIRAKI Yusuke et al. (JP)
Yusuke Hiraki (JP)
Yusuke Hiraki (JP)
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