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    • 4. 发明公开
    • ILLUMINATION SYSTEM AND DISPLAY DEVICE
    • 照明系统和显示装置
    • EP2074475A1
    • 2009-07-01
    • EP07826734.1
    • 2007-10-15
    • Koninklijke Philips Electronics N.V.
    • HOELEN, Christoph, G., A.WEGH, Rene, T.BROERE, JanHAENEN, Ludo
    • G02F1/13357
    • G02F1/133603C09K11/0883C09K11/7774G02F2001/133614H05B33/14
    • The invention relates to an illumination system, a luminaire and a display- device (200) comprising the illumination system. The illumination system (100, 101) comprises a light emitting diode (D1, D2), a light exit window (105) and a luminescent layer (120) arranged between the light emitting diode and the light exit window. The light emitting diode emits light of a first primary color (72, 75). The luminescent layer is arranged between the light emitting diode and the light exit window for converting part of the light emitted by the light emitting diode into light of a second primary color. The luminescent layer comprises a garnet luminescent material comprising at least Lutetium, Cerium, Silicon and Nitrogen (73), or it comprises a combination of a garnet luminescent material comprising at least Lutetium and Cerium (70) and a garnet luminescent material comprising at least Cerium and at least one element of the group comprising Yttrium and Gadolinium (71, 74). The light exit window emits light generated by the illumination system towards the display device.
    • 照明系统,照明器和包括照明系统的显示装置(200) 照明系统(100,101)包括设置在发光二极管和光出射窗之间的发光二极管(D1,D2),光出射窗(105)和发光层(120)。 发光二极管发射第一原色(72,75)的光。 发光层布置在发光二极管和光出射窗之间,用于将由发光二极管发射的一部分光转换为第二原色的光。 所述发光层包含至少包含L,铈,硅和氮(73)的石榴石发光材料,或者其包含至少包含L和铈(70)的石榴石发光材料和包含至少铈 和包含钇和钆(71,74)的组中的至少一种元素。 光出射窗将由照明系统产生的光发射到显示装置。