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    • 1. 发明申请
    • A LIGHT EMITTING DEVICE
    • 发光装置
    • WO2015113979A1
    • 2015-08-06
    • PCT/EP2015/051633
    • 2015-01-27
    • KONINKLIJKE PHILIPS N.V.
    • CHESTAKOV, Dmitri AnatolievichHIKMET, Rifat Ata MustafaVAN BOMMEL, TiesGRUHLKE, Stefan Willi JuliusBIJLSMA, AlbertDE BOER, Dirk Kornelis GerhardusHANNEN, Gerardus Everardus MarieEGGINK, Hendrik Jan
    • H01L33/50H01L33/64F21K99/00F21S8/10F21V8/00G03B21/16G02B19/00G03B21/14
    • G02B6/0003F21S41/14F21S41/141F21S41/16F21S41/24F21S43/13F21S43/14F21S43/239G02B6/0031G02B6/0046G02B6/005G02B6/0085G02B19/0019G02B19/0066G03B21/16G03B21/2013G03B21/204G03B21/208H01L33/502H01L33/504H01L33/505H01L33/60H01L33/642
    • A light emitting device (1) comprising at least one light source (2) adapted for, in operation, emitting first light (13) with a first spectral distribution, a light guide (4) made of a luminescent material and comprising a light input surface (41) and a light exit surface (42) extending in an angle different from zero to one another, the light guide further comprising a first further surface (46) extending parallel to and arranged opposite to the light exit surface, wherein the light guide is adapted for receiving the first light (13) with the first spectral distribution at the light input surface, converting at least a part of the first light with the first spectral distribution to second light (14) with a second spectral distribution, guiding the second light with the second spectral distribution to the light exit surface and coupling the second light with the second spectral distribution out of the light exit surface. The light emitting device further comprises a phosphor element (77) arranged adjacent to the first further surface and a reflective element (76) arranged adjacent the phosphor element opposite to the first further surface (46). The phosphor element is adapted for converting light incident from the light guide to third light (17) with a third spectral distribution and the light guide (40) is furthermore adapted for receiving the third light (17) with the third spectral distribution at the first further surface (46), guiding the third light (46) with the third spectral distribution to the light exit surface (42) and coupling the third light with the third spectral distribution out of the light exit surface.
    • 一种发光器件(1),包括至少一个适于在工作中发射具有第一光谱分布的第一光(13)的光源(2),由发光材料制成并包括光输入的光导(4) 表面(41)和以不同于零的角度延伸的光出射表面(42),所述光导还包括平行于并且布置成与光出射表面相对延伸的第一另外的表面(46),其中所述光 引导件适于在光输入表面处接收具有第一光谱分布的第一光(13),将具有第一光谱分布的第一光的至少一部分以第二光谱分布转换为第二光(14),引导 具有第二光谱分布到光出射表面的第二光,并将第二光与第二光谱分布耦合出光出射表面。 发光装置还包括邻近第一另外的表面布置的磷光体元件(77)和邻近于与第一另外的表面(46)相对的磷光体元件布置的反射元件(76)。 荧光体元件适于将具有第三光谱分布的从光导入射的光转换成第三光(17),并且光导(40)还适于在第一光谱分布处接收具有第三光谱分布的第三光(17) 另外的表面(46)将具有第三光谱分布的第三光(46)引导到光出射表面(42),并将第三光与第三光谱分布耦合出光出射表面。