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    • 2. 发明申请
    • CONTROL OF COLOR PRIMARIES AND WHITE POINT IN A LASER-PHOSPHOR PROJECTOR
    • 激光 - 荧光投影仪中彩色原色和白点的控制
    • WO2017129710A1
    • 2017-08-03
    • PCT/EP2017/051701
    • 2017-01-26
    • BARCO N.V.
    • TARPAN, MihaelaCHEDAD, AllelMAXIMUS, BartCOULIER, Nico
    • H04N9/31
    • H04N9/3182C09K11/7774G02B27/1006G03B21/2013G03B21/204G03B21/206H04N9/3105H04N9/3158H04N9/3161H04N9/3194
    • The invention relates to a light projection system for generating an image with three primary colors, each primary color being respectively defined by a first, second and third wavebands. The system comprises a first blue laser source (5) emitting a first beam (5') in a fourth waveband, said first blue laser source (5) having a first laser driver (4), a second blue laser source (3) emitting a second beam (2') having a central wavelength and a fifth waveband, said second blue laser source (3) having a second laser driver (2), a substrate having a wavelength conversion element (8) for emitting light (2'') at a plurality of wavelengths after absorption of a light beam at an excitation wavelength within a fifth waveband of the second blue laser source (3) and a beam combiner (11) for combining the combined first beam and the converted beam (2''), which combination results in a white beam (14). Dichroic losses can be reduced by using a green phosphor together with red laser assistance. White point and color primaries can be controlled by using a variable green waveband reduction filter and/or by using a multi-band color sensor (22) and a controller (24) for deriving driving levels for the drivers of the laser sources.
    • 本发明涉及一种用于产生具有三原色的图像的光投影系统,每种原色分别由第一,第二和第三波段限定。 该系统包括发射第四波段中的第一波束(5')的第一蓝色激光源(5),所述第一蓝色激光源(5)具有第一激光驱动器(4),第二蓝色激光源(3) 具有中心波长和第五波段的第二光束(2'),所述第二蓝色激光源(3)具有第二激光驱动器(2),衬底具有用于发射光(2“)的波长转换元件(8) )在吸收第二蓝色激光源(3)的第五波段内的激发波长的光束之后在多个波长处的光束组合器(11)和用于组合第一光束和转换光束(2“)的光束组合器(11) ),这种组合导致白光束(14)。 通过使用绿色荧光粉和红色激光辅助,可以减少二向色性的损失。 可以通过使用可变的绿色波段减少滤波器和/或通过使用用于导出激光源的驱动器的驱动电平的多带颜色传感器(22)和控制器(24)来控制白色点和色彩原色。 p>
    • 5. 发明申请
    • LIGHTING DEVICE WITH CERAMIC GARNET.
    • 带陶瓷GARNET的灯具。
    • WO2017055041A1
    • 2017-04-06
    • PCT/EP2016/071084
    • 2016-09-07
    • PHILIPS LIGHTING HOLDING B.V.
    • PEETERS, Martinus, Petrus, Joseph
    • C09K11/77H01L33/50
    • C09K11/7774F21S2/00F21S41/24F21W2131/105F21W2131/30F21W2131/405F21W2131/406G02B6/0003G02B6/0046H01L33/505
    • The invention provides a lighting device (1) comprising a plurality of solid state light sources (10) and an elongated ceramic body (100) having a first face (141) and a second face (142) defining a length (L) of the elongated ceramic body (100), the elongated ceramic body (100) comprising one or more radiation input faces (111) and a radiation exit window (112), wherein the second face (142) comprises said radiation exit window (112), 5 wherein the plurality of solid state light sources (10) are configured to provide blue light source light (11) to the one or more radiation input faces (111), wherein the blue light source light (11) has an peak maximum (λex1), wherein the elongated ceramic body (100) comprises a ceramic material (120) configured to wavelength convert at least part of the blue light source light (11) into converter light (101), wherein the ceramic material (120) comprises an 10 A 3 B 5 O 12 :Ce 3+ ceramic material, wherein A comprises yttrium (Y) and gadolinium (Gd), and wherein B comprises aluminum (A1), wherein A comprises in the range of 10-50 atom % Gd, and wherein the ceramic material (120) comprises 0.5-3.5 mole % Ce, wherein the ceramic material (120) comprises an absorption spectrum having an absorption peak maximum (λa), wherein the peak maximum (λex1) is unequal to the absorption peak maximum (λa).
    • 本发明提供了一种包括多个固态光源(10)和细长陶瓷体(100)的照明装置(1),该陶瓷体具有限定长度(L)的第一面(141)和第二面(142) 细长陶瓷体(100),细长陶瓷体(100)包括一个或多个辐射输入面(111)和辐射出射窗(112),其中第二面(142)包括所述辐射出射窗(112),5 其中所述多个固态光源(10)被配置为向所述一个或多个辐射输入面(111)提供蓝色光源光(11),其中所述蓝色光源光(11)具有峰值最大值(λex1) ,其中所述细长陶瓷体(100)包括被配置为将所述蓝色光源光(11)的至少一部分波长转换成转换器光(101)的陶瓷材料(120),其中所述陶瓷材料(120)包括10个A3B5O12 :Ce 3+陶瓷材料,其中A包含钇(Y)和钆(Gd),以及wh 促凝蛋白B包含铝(A1),其中A包含在10-50原子%Gd范围内,其中陶瓷材料(120)包含0.5-3.5摩尔%的Ce,其中陶瓷材料(120)包含吸收光谱,其吸收光谱具有 吸收峰值最大值(λa),其中峰值最大值(λex1)不等于吸收峰值最大值(λa)。
    • 10. 发明申请
    • PC-LED MODULE WITH ENHANCED WHITE RENDERING AND CONVERSION EFFICIENCY.
    • PC-LED模块,具有增强的白色渲染和转换效率。
    • WO2016037773A2
    • 2016-03-17
    • PCT/EP2015/068077
    • 2015-08-05
    • PHILIPS LIGHTING HOLDING B.V.
    • SCHMIDT, Peter JosefBECHTEL, Hans-Helmut
    • H01L25/0753C09K11/02C09K11/025C09K11/08C09K11/0883C09K11/617C09K11/7718C09K11/7731C09K11/7734C09K11/7774C09K11/886F21K9/64F21V9/30F21Y2113/13F21Y2113/17F21Y2115/10H01L33/504H01L2924/0002H01L2924/00
    • The invention provides a lighting device (100) comprising: -a first solid state light source (10), configured to provide UV radiation (11) having a wavelength selected from the range of 380-420 nm; -a second solid state light source (20), configured to provide blue light (21) having a wavelength selected from the range of 440-470 nm; -a wavelength converter element (200), wherein the wavelength converter element (200) comprises: -a first luminescent material (210), configured to provide upon excitation with the blue light (21) of the second solid state light source (20) first luminescent material light (211) having a wavelength selected from the green and yellow wavelength range, and wherein the first luminescent material excitability for UV radiation (11) is lower than for blue light (21); and -a second luminescent material (220), configured to provide upon excitation with the blue light (21) of the second solid state light source (20) second luminescent material light (221) having a wavelength selected from the orange and red wavelength range, and wherein the second luminescent material excitability for UV radiation (11) is lowerthan for blue light (21).
    • 本发明提供了一种照明装置(100),包括: - 第一固态光源(10),其被配置为提供具有选自380-420nm范围内的波长的紫外线辐射(11) - 第二固态光源(20),被配置为提供具有选自440-470nm范围内的波长的蓝光(21); - 波长转换元件(200),其中所述波长转换器元件(200)包括: - 第一发光材料(210),被配置为在激发时提供所述第二固态光源(20)的蓝光(21) 第一发光材料光(211),其具有选自绿色和黄色波长范围的波长,并且其中用于UV辐射(11)的第一发光材料兴奋性低于蓝色光(21); 和第二发光材料(220),其被配置为在激发时提供具有选自橙色和红色波长范围的波长的第二固态光源(20)的第二发光材料光(221) ,并且其中用于UV辐射(11)的第二发光材料兴奋性低于蓝光(21)。