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    • 2. 发明申请
    • ILLUMINATION SYSTEM AND DISPLAY DEVICE
    • 照明系统和显示设备
    • WO2008047290A1
    • 2008-04-24
    • PCT/IB2007/054177
    • 2007-10-15
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.HOELEN, Christoph, G., A.WEGH, Rene, T.BROERE, JanHAENEN, Ludo
    • 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.
    • 本发明涉及一种照明系统,照明装置和包括照明系统的显示装置(200)。 照明系统(100,101)包括发光二极管(D1,D2),光出射窗(105)和布置在发光二极管和光出射窗之间的发光层(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光的一部分转换为第二基色的光。 发光层包括至少包含镥,铈,硅和氮(73)的石榴石发光材料,或者它包括至少包含镥和铈(70)的石榴石发光材料和至少包含铈的石榴石发光材料 和包含钇和钆的组中的至少一种元素(71,74)。 光出射窗将照明系统产生的光朝向显示装置发射。
    • 6. 发明申请
    • DESCRIBING TWO LED COLORS AS A SINGLE, LUMPED LED COLOR
    • 将两个LED颜色描述为一个单一的LED颜色
    • WO2006126124A3
    • 2007-03-08
    • PCT/IB2006051483
    • 2006-05-11
    • KONINKL PHILIPS ELECTRONICS NVDEURENBERG PETER H FANSEMS JOHANNES P MHOELEN CHRISTOPH G A
    • DEURENBERG PETER H FANSEMS JOHANNES P MHOELEN CHRISTOPH G A
    • H05B33/08
    • H05B33/086H05B33/0872
    • A light emitting diode (LED) lighting system for producing white light is disclosed. The system comprises sets of LEDs arranged to emit light with different wavelength ranges and associated with different sets of characteristics, and a driving circuit arranged to drive the LEDs. The driving circuit comprises an input for desired light intensity, color rendering index, and color temperature, an input for signals for LED temperature, a model for determining driving currents for said sets of LEDs from said parameters, signals, and characteristics for each of said sets of LEDs; and a current driver for the LEDs. At least one of the sets of LEDs comprises a first subset of LEDs with a first wavelength sub-range and a first set of characteristics, and a second subset of LEDs with a second wavelenght sub- range and a second set of characteristics. A lumped wavelength range of the set of LEDs is a range of said first and second wavelength sub-ranges, and the set of characteristics of the set of LEDs is a function of said first and second sets of characteristics. A method for controlling the sets of LEDs is also disclosed.
    • 公开了一种用于产生白光的发光二极管(LED)照明系统。 该系统包括布置成发射具有不同波长范围并且与不同特性组相关的光的LED组,以及驱动LED驱动电路。 驱动电路包括用于期望的光强度,显色指数和色温的输入,用于LED温度的信号的输入,用于根据所述参数,信号和每个所述的LED的特性确定所述LED组的驱动电流的模型 LED组; 和用于LED的电流驱动器。 LED组中的至少一个包括具有第一波长子范围和第一组特性的LED的第一子集,以及具有第二波长子范围和第二组特征的第二子集的LED。 所述一组LED的集总波长范围是所述第一和第二波长子范围的范围,并且所述一组LED的特性集合是所述第一和第二组特性的函数。 还公开了一种用于控制LED组的方法。
    • 7. 发明申请
    • LIGHT-EMITTING PANEL AND ILLUMINATION SYSTEM
    • 发光板和照明系统
    • WO2005073622A1
    • 2005-08-11
    • PCT/IB2005/050216
    • 2005-01-19
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN OERS, Denis, J., C.VERBRUGH, Stefan, M.HOELEN, Christoph, G., A.
    • VAN OERS, Denis, J., C.VERBRUGH, Stefan, M.HOELEN, Christoph, G., A.
    • F21V8/00
    • G02B6/0033G02B6/0068
    • A light-emitting panel (1) has a light-emitting window (2) and a rear wall (3) situated opposite thereto. The light-emitting panel has at least one light-ingress edge (4) for coupling light from a light source (6B, 6G, 6R) into the light-emitting panel. The light-emitting panel is provided with a plurality of slits (8, 8', 8", ...) for coupling out light from the light-emitting panel. The slits extend from the rear wall to the light-emitting window. Material in the slits has a refractive index different from the refractive index of the light-emitting panel. Preferably, the slits are filled with a dielectric material, preferably, with air. Preferably, the slits are substantially flat planes and are substantially parallel with respect to each other. Preferably, the slits are arranged under an angle a with respect a normal on the light-emitting window. Preferably 30°≤α≤40°. Preferably, light is coupled out from the light-emitting panel by specular reflection.
    • 发光面板(1)具有与其相对的发光窗(2)和后壁(3)。 发光面板具有至少一个用于将来自光源(6B,6G,6R)的光耦合到发光面板中的光入射边缘(4)。 发光面板设置有用于耦合出来自发光面板的光的多个狭缝(8,8',8“,...),狭缝从后壁延伸到发光窗。 狭缝中的材料具有与发光板的折射率不同的折射率,优选地,这些狭缝优选用空气填充介电材料,优选地,狭缝基本上是平面,并且基本上平行于 优选地,狭缝相对于发光窗口上的法线在角度α处布置。优选地,30°<=α<= 40°。优选地,光通过镜面从发光面板耦合出来 反射。
    • 9. 发明申请
    • COMPACT ILLUMINATION SYSTEM AND DISPLAY DEVICE
    • 紧凑照明系统和显示设备
    • WO2002097324A1
    • 2002-12-05
    • PCT/IB2002/001989
    • 2002-06-03
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.HOELEN, Christoph, G., A.PFEFFER, Nicola, B.
    • HOELEN, Christoph, G., A.PFEFFER, Nicola, B.VAN HEES, Antonius, J., M.
    • F21V8/00
    • G02B6/0031G02B6/0055G02B6/0068G02B6/0073G02B6/0096
    • A compact backlighting system for illuminating a display device (12) comprises a light-emitting panel (1) having a front wall (2), an opposing rear wall (3) and edge areas (4). At least one of the edge areas (4) is capable of transmitting light. The backlighting system includes a light source (6) comprising at least one LED, and a light-mixing panel 5 for mixing the light originating from the light source (6). Light originating from the light source (6) is coupled into the light-mixing panel (5) via a light input surface (7), which light is mixed in the light-mixing panel (5) and coupled out via a light output surface (8). The light-mixing panel (5) and the light-emitting panel (1) are arranged so as to extend substantially parallel to each other. Between the light-mixing panel 5 and the light-emitting panel 1, the backlighting system comprises a light transport chamber (9) for transporting the light from the light-mixing panel (5) to the light-emitting panel (1). Preferably, the light transport chamber (9) has an elliptical, reflective inner wall (10).
    • 用于照亮显示装置(12)的紧凑型背光系统包括具有前壁(2),相对的后壁(3)和边缘区域(4)的发光面板(1)。 边缘区域(4)中的至少一个能够透光。 背光系统包括包括至少一个LED的光源(6)和用于混合源自光源(6)的光的光混合面板5。 来自光源(6)的光通过光输入表面(7)耦合到光混合面板(5)中,该光在光混合面板(5)中混合并通过光输出表面 (8)。 光混合面板(5)和发光面板(1)被布置成基本上彼此平行地延伸。 在光混合面板5和发光面板1之间,背光系统包括用于将来自光混合面板(5)的光传送到发光面板(1)的光输送室(9)。 优选地,光传输室(9)具有椭圆形的反射内壁(10)。