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    • 1. 发明申请
    • LUMINAIRE WITH FUNCTIONALITY-ENHANCING STRUCTURE
    • 具有功能增强结构的灯具
    • WO2010122468A2
    • 2010-10-28
    • PCT/IB2010051682
    • 2010-04-19
    • KONINKL PHILIPS ELECTRONICS NVDESMET LIEVEN R RVISSENBERG MICHEL C J MIJZERMAN WILLEM L
    • DESMET LIEVEN R RVISSENBERG MICHEL C J MIJZERMAN WILLEM L
    • G02B6/00
    • G02B6/0038G02B6/0046
    • A luminaire (20) comprising a light guide (11) having a first refractive index (n1), the light guide (11) comprising a light-entry surface (14), a light-reflecting surface (15) for reflecting light entering at the light-entry surface (14), and a light-exit surface (16) opposite the light-reflecting surface (15), for allowing light to exit from the light guide (11), the light guide (11) being tapered toward the opposite end relative the light-entry surface (14). The luminaire (20) further comprises a light source (13), arranged to emit light toward the light-entry surface (14); a first optical member (17), having a second refractive index (n2), in optical contact with the light-exit surface (16) of the light guide (11); a second optical member (18), having a third refractive index (n3), in optical contact with the light-reflecting surface (15) of the light guide (11); and a functionality-enhancing structure (19) arranged on the opposite side of the second optical member (18) in relation to the light guide (11), for affecting an optical property of the luminaire (20) when the light source is in an off-state. The first refractive index (n1) is greater than each of the second (n2), and third (n3) refractive indices, and the second refractive index (n2) is greater than the third refractive index (n3).
    • 一种包括具有第一折射率(n1)的导光体(11)的灯具(20),所述导光体(11)包括光入射表面(14),用于反射入射到所述光入射表面的光反射表面(15) 所述光入射表面(14)和与所述光反射表面(15)相对的光出射表面(16),用于允许光从所述导光体(11)退出,所述导光体(11)朝向 相对端相对于光入射表面(14)。 照明器(20)还包括光源(13),被配置为朝向光入射表面(14)发射光; 具有第二折射率(n2)的第一光学构件(17)与光导(11)的光出射表面(16)光学接触; 具有第三折射率(n3)的第二光学构件(18)与光导(11)的光反射表面(15)光学接触; 以及相对于所述光导(11)布置在所述第二光学构件(18)的相对侧上的功能增强结构(19),用于当所述光源处于所述光源时,影响所述照明器(20)的光学特性 关闭状态。 第一折射率(n1)大于第二(n2)和第三(n3)折射率中的每一个,并且第二折射率(n2)大于第三折射率(n3)。