Title:
配光制御装置
Document Type and Number:
Japanese Patent JP2008547176
Kind Code:
A
Abstract:
An illumination device comprising a light source (2), an electro-wetting based optical element (1, 10), arranged in front of the light source to allow refraction of a beam of light emitted from said light source, and driving means (9) arranged to operate said optical element between at least two predefined states, said states being adapted to result in refracted beams having different light intensity distribution. According to this design, the electrowetting based optical element can be used to dynamically alter the light intensity distribution of the illumination device between a number of predefined states.
Inventors:
Hendrix Bernardus Harway
Riedenbaum Kuhn Thehaev
Kappel Stain
Surmans frank ye pa
Solmani Joseph El-ArM
Fun As Marco
Riedenbaum Kuhn Thehaev
Kappel Stain
Surmans frank ye pa
Solmani Joseph El-ArM
Fun As Marco
Application Number:
JP2008518540A
Publication Date:
December 25, 2008
Filing Date:
December 07, 2005
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
F21V5/00; F21L4/00; F21V23/00; G02B3/14; G02B7/04; F21Y101/02
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato