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    • 6. 发明申请
    • ILLUMINATION DEVICE WITH WAVEGUIDE AND LEDS
    • 具有波导和LED的照明装置
    • US20130094240A1
    • 2013-04-18
    • US13704716
    • 2011-06-10
    • Erik Paul BoonekampWillem Lubertus IjzermanMichel Cornelis Josephus Marie VissenbergTeunis Willem Tukker
    • Erik Paul BoonekampWillem Lubertus IjzermanMichel Cornelis Josephus Marie VissenbergTeunis Willem Tukker
    • F21V8/00F21V13/02
    • G02B6/0006F21S8/00F21V13/02F21Y2103/10F21Y2103/33F21Y2113/00F21Y2113/17F21Y2115/10G02B6/0001H01L33/58
    • The invention relates to an illumination device (1) comprising an optical waveguide (2) and a number of (connections for) light sources (3)—especially LEDs—positioned along the waveguide (3). This waveguide has a central axis (4) at a distance r to the surface of the waveguide, said surface comprising a light entrance surface (6) on which the (connections for) light sources are positioned and a curved light exit surface (5), wherein, viewed along the circumference of the curved surface (5), the distance r to a first intersection (8) between the flat surface (6) and the curved surface (5), changes to a second distance of different value at the second intersection (9) between said surfaces. The invention also relates to a luminaire comprising such an illumination device (1). Due to the special design of the waveguide (2), the amount of reflections of light in the light sources is largely reduced and desired shaping of the exiting beam can be realized. The device can be further improved by the use of special features, like specially designed curved surfaces (5), reflective structures (13), channels (15) and torus-shaped waveguides.
    • 本发明涉及一种包括光波导(2)和多个(用于)光源(连接)的照明装置(1),特别是沿着波导(3)定位的LED。 该波导具有距离波导表面一定距离r的中心轴线(4),所述表面包括光入射表面(6),光源的(连接)位于该光入射表面上,弯曲的光出射表面(5) ,其中,沿着所述弯曲表面(5)的圆周方向,在所述平面(6)与所述曲面(5)之间的距离r到所述第一交点(8)的距离r在所述平面 所述表面之间的第二交叉点(9)。 本发明还涉及一种包括这种照明装置(1)的照明装置。 由于波导(2)的特殊设计,光源中的光的反射量大大降低,并且可以实现出射光束的期望的成形。 通过使用特殊功能,如特殊设计的曲面(5),反射结构(13),通道(15)和环形波导,可以进一步改善设备。