A light-source comprising at least one lighting unit (101) being arranged on a substrate (102) and a diffusing element (103) being arranged to receive and diffuse light emitted by said at least one lighting unit (101) is provided. The diffusing element (103) comprises a layer of non-woven fabric having a lower density at a side facing the lighting unit and a higher density at a side opposite to the lighting unit to obtain good diffusing properties.
申请公布号
EP1891620(B1)
申请公布日期
2009.09.02
申请号
EP20060745011
申请日期
2006.05.23
申请人
KONINKLIJKE PHILIPS ELECTRONICS N.V.
发明人
ASVADI, SIMA;KRANS, MARTIJN;VAN BRUGGEN, MICHEL, P., B.;WILDERBEEK, JOHANNES, T., A.;DEN TOONDER, JACOB, M., J.