Alight output device comprises at least one light source (4) having a light output which is generally directed in a first direction and a switchable reflector (6), which switchable between a transmissive mode for providing light in the first direction, and a reflecting mode for providing light in an opposite direction.
申请公布号
WO2009087583(A1)
申请公布日期
2009.07.16
申请号
WO2009IB50006
申请日期
2009.01.05
申请人
KONINKLIJKE PHILIPS ELECTRONICS N.V.;HIKMET, RIFAT, A., M.;VAN BOMMEL, TIES
