METHODS OF FABRICATING LIGHT EMITTING DEVICES BY SELECTIVE DEPOSITION OF LIGHT CONVERSION MATERIALS BASED ON MEASURED EMISSION CHARACTERISTICS
    11.
    发明申请
    METHODS OF FABRICATING LIGHT EMITTING DEVICES BY SELECTIVE DEPOSITION OF LIGHT CONVERSION MATERIALS BASED ON MEASURED EMISSION CHARACTERISTICS 有权
    通过选择性沉积基于测量发射特性的光转换材料制造发光器件的方法

    公开(公告)号:US20090286335A1

    公开(公告)日:2009-11-19

    申请号:US12428149

    申请日:2009-04-22

    IPC分类号: H01L21/56 H01L21/66

    CPC分类号: H01L33/50 H01L2933/0041

    摘要: A method of fabricating a light emitting device (LED) includes measuring emission characteristics for a plurality of LED chips configured to emit light of a first color. The plurality of LED chips are sorted based on the measured emission characteristics to provide a plurality of groups respectively including ones of the plurality of LED chips having similar measured emission characteristics. A respective light conversion material is selected for each of the plurality of groups based on the measured emission characteristics of the ones of the plurality of LED chips included therein and a desired color point. The selected light conversion material is configured to absorb at least some of the light of the first color and responsively emit light of a second color. For each of the plurality of groups, the respective selected light conversion material is deposited on the ones of the LED chips included therein to provide a plurality of packaged LEDs including the plurality of LED chips and respectively configured to emit light having the desired color point. Related apparatus is also discussed.

    摘要翻译: 制造发光器件(LED)的方法包括测量被配置为发射第一颜色的光的多个LED芯片的发射特性。 基于测量的发射特性对多个LED芯片进行分类,以提供分别包括具有相似测量发射特性的多个LED芯片中的多个组的多个组。 基于所测量的包含在其中的多个LED芯片的发射特性和期望的色点,为多个组中的每一个选择相应的光转换材料。 所选择的光转换材料被配置为吸收第一颜色的至少一些光并且响应地发射第二颜色的光。 对于多个组中的每个组,各个选择的光转换材料沉积在其中包括的LED芯片中,以提供包括多个LED芯片的多个封装的LED,并分别被配置为发射具有所需色点的光。 还讨论了相关装置。

    Cerium and europium doped phosphor compositions and light emitting devices including the same
    13.
    发明授权
    Cerium and europium doped phosphor compositions and light emitting devices including the same 有权
    铈和铕掺杂荧光体组合物和包括其的发光器件

    公开(公告)号:US08597543B2

    公开(公告)日:2013-12-03

    申请号:US13366637

    申请日:2012-02-06

    IPC分类号: H01L33/00

    摘要: Compounds of the following Formula may be useful as phosphors in solid state light emitting devices: AaBbCcDdEe, wherein A includes calcium (Ca), strontium (Sr), barium (Ba), magnesium (Mg), yttrium (Y), hafnium (Hf), the lanthanide elements and/or the other alkaline earth (Group IIA) metals; B includes Eu2+ and Ce3+; C includes at least one tetrahedrally-coordinated trivalent element; D includes at least one tetrahedrally-coordinated tetravalent element; E includes N, O, F, C, S, Cl, Br and/or I, wherein a+b=1, c+d=2, and wherein the compound has a CaAlSiN3-type crystal structure. Light emitting devices including such phosphors may emit warm white light.

    摘要翻译: 其中A包括钙(Ca),锶(Sr),钡(Ba),镁(Mg),钇(Y),铪(Hf)等的固体发光器件中的磷光体。 ),镧系元素和/或其它碱土金属(IIA族)金属; B包括Eu2 +和Ce3 +; C包括至少一个四面体配位的三价元素; D包括至少一个四面体配位的四价元素; E包括N,O,F,C,S,Cl,Br和/或I,其中a + b = 1,c + d = 2,并且其中所述化合物具有CaAlSiN 3型晶体结构。 包括这种荧光体的发光器件可以发出暖白光。

    SINGLE-COLOR WAVELENGTH-CONVERTED LIGHT EMITTING DEVICES
    15.
    发明申请
    SINGLE-COLOR WAVELENGTH-CONVERTED LIGHT EMITTING DEVICES 审中-公开
    单色波长转换发光装置

    公开(公告)号:US20110012141A1

    公开(公告)日:2011-01-20

    申请号:US12503695

    申请日:2009-07-15

    IPC分类号: H01L33/00

    摘要: A packaged light emitting device (LED) includes an LED chip configured to emit light within a first wavelength range, and a wavelength conversion material on the LED chip. The wavelength conversion material is configured to receive the light within the first wavelength range and responsively emit light within a second wavelength range different than the first wavelength range such that a light output of the packaged LED does not substantially include the light within the first wavelength range and provides an appearance of substantially monochromatic light of a color of the visible spectrum corresponding to the second wavelength range. The packaged LED may include a color filter on the wavelength conversion material that is configured to prevent passage of the light within the first wavelength range therethrough, and/or may include a thickness of the wavelength conversion material configured to completely absorb the light within the first wavelength range.

    摘要翻译: 封装发光器件(LED)包括被配置为发射第一波长范围内的光的LED芯片和在LED芯片上的波长转换材料。 波长转换材料被配置为接收在第一波长范围内的光并且响应地发射在不同于第一波长范围的第二波长范围内的光,使得封装的LED的光输出基本上不包括在第一波长范围内的光 并且提供对应于第二波长范围的可见光谱的颜色的基本单色光的外观。 封装的LED可以包括波长转换材料上的滤色器,其被配置为防止光在第一波长范围内通过,和/或可以包括波长转换材料的厚度,其被配置为完全吸收第一波长范围内的光 波长范围。

    Methods of fabricating light emitting devices by selective deposition of light conversion materials based on measured emission characteristics
    20.
    发明授权
    Methods of fabricating light emitting devices by selective deposition of light conversion materials based on measured emission characteristics 有权
    基于测量的发射特性通过选择性沉积光转换材料制造发光器件的方法

    公开(公告)号:US08038497B2

    公开(公告)日:2011-10-18

    申请号:US12428149

    申请日:2009-04-22

    IPC分类号: H01J9/00 H01L21/66

    CPC分类号: H01L33/50 H01L2933/0041

    摘要: A method of fabricating a light emitting device (LED) includes measuring emission characteristics for a plurality of LED chips configured to emit light of a first color. The plurality of LED chips are sorted based on the measured emission characteristics to provide a plurality of groups respectively including ones of the plurality of LED chips having similar measured emission characteristics. A respective light conversion material is selected for each of the plurality of groups based on the measured emission characteristics of the ones of the plurality of LED chips included therein and a desired color point. The selected light conversion material is configured to absorb at least some of the light of the first color and responsively emit light of a second color. For each of the plurality of groups, the respective selected light conversion material is deposited on the ones of the LED chips included therein to provide a plurality of packaged LEDs including the plurality of LED chips and respectively configured to emit light having the desired color point. Related apparatus is also discussed.

    摘要翻译: 制造发光器件(LED)的方法包括测量被配置为发射第一颜色的光的多个LED芯片的发射特性。 基于测量的发射特性对多个LED芯片进行分类,以提供分别包括具有相似测量发射特性的多个LED芯片中的多个组的多个组。 基于所测量的包含在其中的多个LED芯片的发射特性和期望的色点,为多个组中的每一个选择相应的光转换材料。 所选择的光转换材料被配置为吸收第一颜色的至少一些光并且响应地发射第二颜色的光。 对于多个组中的每个组,各个选择的光转换材料沉积在其中包括的LED芯片中,以提供包括多个LED芯片的多个封装的LED,并分别被配置为发射具有所需色点的光。 还讨论了相关装置。