Disclosed is a lighting device comprising an optical element (2) that diffusely scatters light and at least two light emitting diodes (1) which are optically connected to at least one light incident surface (22) of the optical element (2). The optical element (2) is provided with at least one light emergent surface (21) through which mixed light emerges from the optical element (2).
申请公布号
WO2008046394(A2)
申请公布日期
2008.04.24
申请号
WO2007DE01827
申请日期
2007.10.15
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN MBH;BERTRAM, RALPH, PETER;BLUEMEL, SIMON;KRAUS, ROBERT
发明人
BERTRAM, RALPH, PETER;BLUEMEL, SIMON;KRAUS, ROBERT