Illumination Device and Actively Illuminated Article
    2.
    发明申请
    Illumination Device and Actively Illuminated Article 审中-公开
    照明装置和积极照明物品

    公开(公告)号:US20100202143A1

    公开(公告)日:2010-08-12

    申请号:US12677562

    申请日:2008-09-03

    IPC分类号: F21S4/00 F21V7/00 F21V9/16

    CPC分类号: G09F13/16 G09F13/22

    摘要: The present invention relates to an illumination device (20) comprising a light source (4). and at least one light transmissive film (2) arranged above said light source (4) so that at least part of the light emerging from the light source (4) is transmitted through said film (2), wherein said film (2) has a first major surface facing the light source (4) and a second major surface arranged opposite to said first surface, said light-transmissive film (2) being diffusive for transmitted light incident from the light source (4) on the first major surface and retroreflective for light incident on said second major surface.

    摘要翻译: 本发明涉及一种包括光源(4)的照明装置(20)。 以及布置在所述光源(4)上方的至少一个透光膜(2),使得从光源(4)出射的光的至少一部分透过所述膜(2),其中所述膜(2)具有 面对光源(4)的第一主表面和与所述第一表面相对布置的第二主表面,所述透光膜(2)漫射用于从第一主表面上的光源(4)入射的透射光;以及 反射入射在所述第二主表面上的光。