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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。
    • 7. 发明授权
    • Electric lamp
    • 电灯
    • US06639342B2
    • 2003-10-28
    • US09880208
    • 2001-06-13
    • Erik Paul BoonekampJohannes Adrianus Frederikus PeekWolfgang Doetter
    • Erik Paul BoonekampJohannes Adrianus Frederikus PeekWolfgang Doetter
    • H01J6140
    • H01K1/32C03C17/42C03C2217/485C03C2217/734G02B5/223G02B5/285H01J61/40
    • The electric lamp employs a lamp vessel (1), which is transparent to visible light and which accommodates a light source (2). The lamp vessel (1) is covered with a combination of a light-absorbing medium (6) and an optical interference film (5) employing layers of alternately a first layer of a material with a comparatively high refractive index and a second layer of silicon dioxide. A spectral transmission T of light transmitted by the light-absorbing medium (6) changes from T≦0.15 to T≧0.75 in a wavelength range having a width &lgr;≦50 nm. The variation in reflection R amounts to less than 10% in the wavelength range 400≦R≦690 nm, the reflection R and lies in the range 50≦R≦90%. In operation, the electric lamp emits colored light in the transmission mode and has a substantially color-neutral appearance in the off state.
    • 电灯采用对可见光透明并容纳光源(2)的灯容器(1)。 灯容器(1)被光吸收介质(6)和光学干涉膜(5)的组合覆盖,所述光吸收介质(6)和光学干涉膜(5)交替使用具有较高折射率的第一材料层和第二层硅 二氧化碳 由光吸收介质(6)透射的光的光谱透射率T在宽度λ<= 50nm的波长范围内从T <= 0.15变化到T> = 0.75。 反射R的变化在400 <= R <= 690nm的波长范围内小于10%,反射R位于50 <= R <= 90%的范围内。 在操作中,电灯以透射模式发出彩色光,并且在关闭状态下具有基本上色彩的外观。
    • 8. 发明授权
    • Electric lamp with light-absorbing medium and interference film
    • 电灯带吸光介质和干涉膜
    • US06570302B1
    • 2003-05-27
    • US09671127
    • 2000-09-27
    • Erik Paul BoonekampMathias Hubertus Johannes Van RijswickHendrik Adrianus Van SprangGerhard Hebbinghaus
    • Erik Paul BoonekampMathias Hubertus Johannes Van RijswickHendrik Adrianus Van SprangGerhard Hebbinghaus
    • H01J516
    • G02B5/285H01J61/34H01J61/35H01J61/40
    • The electric lamp comprises a lamp vessel (11) which transmits visible light and which accommodates a light source (12). The electric lamp comprises a light-absorbing medium (16). The lamp vessel (11) is covered with an optical interference film (15) which comprises layers composed of a first layer of silica and a second layer of a material having a relatively high refractive index which alternate with each other. According to the invention, light from the light source (12) travels through the light-absorbing medium (16) before reaching the interference film (15). Preferably, the light-absorbing layer (16) is disposed between the lamp vessel (11) and the interference film (15). Alternatively, the light-absorbing layer is contained in a wall of the lamp vessel. Preferably, the interference film (15) reflects substantially in the same wavelength range as that wherein the light-absorbing medium (16) absorbs, preferably in the range from 570 to 620 nm. Preferably, the electric lamp emits, in operation, colored light but has a color-neutral appearance when the lamp is in the off-state. The light-absorbing layer (16) preferably predominantly comprises Nd2O3, CoAl2O4, Fe2O3, ZnFe2O4, ZnO.Fe2O4 or BiVO4.
    • 该电灯包括透过可见光并容纳光源(12)的灯容器(11)。 电灯包括光吸收介质(16)。 灯容器(11)被光学干涉膜(15)覆盖,该光学干涉膜包括由第一层二氧化硅构成的层和具有彼此交替的相对较高折射率的材料的第二层。 根据本发明,来自光源(12)的光在到达干涉膜(15)之前穿过光吸收介质(16)。 优选地,光吸收层(16)设置在灯容器(11)和干涉膜(15)之间。 或者,光吸收层被容纳在灯容器的壁中。 优选地,干涉膜(15)基本上在与吸光介质(16)吸收相同的波长范围内反射,优选在570nm至620nm的范围内。 优选地,电灯在操作中发出彩色光,但是当灯处于关闭状态时具有着色中性的外观。 光吸收层(16)优选主要包含Nd2O3,CoAl2O4,Fe2O3,ZnFe2O4,ZnO.Fe2O4或BiVO4。