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    Light emitting device employing luminescent substances with oxyorthosilicate luminophores
    1.
    发明授权
    Light emitting device employing luminescent substances with oxyorthosilicate luminophores 有权
    使用发光物质的发光器件与氧硅酸发光体

    公开(公告)号：US08535564B2

    公开(公告)日：2013-09-17

    申请号：US12767253

    申请日：2010-04-26

    申请人： Chung Hoon Lee ,  Walter Tews ,  Gundula Roth ,  Detlef Starick

    发明人： Chung Hoon Lee ,  Walter Tews ,  Gundula Roth ,  Detlef Starick

    IPC分类号： C09K11/08 ,  C09K11/59

    CPC分类号： C09K11/7792 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2224/8592 ,  H01L2924/181 ,  H01L2924/19107 ,  H05B33/14 ,  H01L2924/00014 ,  H01L2924/00012

    摘要： A light emitting device having oxyorthosilicate luminophores is disclosed. The light emitting device includes a light emitting diode and luminescent substances disposed around the light emitting diode, to absorb at least a portion of light emitted from the light emitting diode and emitting light having different wavelength from that of the absorbed light. The luminescent substances have Eu2+-doped silicate luminophores in which solid solutions in the form of mixed phases between alkaline earth metal oxyorthosilicates and rare earth metal oxyorthosilicates are used as base lattices for the Eu2+activation leading to luminescence. The luminescent substances are used as radiation converters to convert a higher-energy primary radiation, for example, ultra violet (UV) radiation or blue light, into a longer-wave visible radiation and are therefore preferably employed in corresponding light-emitting devices.

    摘要翻译： 公开了一种具有氧硅酸发光体的发光器件。 发光器件包括发光二极管和布置在发光二极管周围的发光物质，以吸收从发光二极管发出的光的至少一部分并发射具有与吸收光的波长不同的波长的光。 发光物质具有Eu 2+掺杂的硅酸盐发光体，其中使用碱土金属氧化硅酸钙和稀土金属氧化硅酸盐之间的混合相形式的固溶体作为导致发光的Eu 2+激活的基质晶格。 发光物质用作辐射转换器以将较高能量的一次辐射（例如紫外线（UV）辐射或蓝光）转换成更长波的可见光，因此优选地应用于相应的发光器件中。

    STRONTIUM OXYORTHOSILICATE PHOSPHORS HAVING IMPROVED STABILITY UNDER A RADIATION LOAD AND RESISTANCE TO ATMOSPHERIC HUMIDITY
    7.
    发明申请
    STRONTIUM OXYORTHOSILICATE PHOSPHORS HAVING IMPROVED STABILITY UNDER A RADIATION LOAD AND RESISTANCE TO ATMOSPHERIC HUMIDITY 有权
    具有辐射负载和抵抗大气湿度的改进稳定性的锑氧化硅酸盐磷酸盐

    公开(公告)号：US20120181481A1

    公开(公告)日：2012-07-19

    申请号：US13434529

    申请日：2012-03-29

    申请人： Chung Hoon LEE ,  Walter TEWS ,  Gundula ROTH ,  Detlef STARICK

    发明人： Chung Hoon LEE ,  Walter TEWS ,  Gundula ROTH ,  Detlef STARICK

    IPC分类号： C09K11/79

    CPC分类号： C09K11/7734 ,  H05B33/14

    摘要： Exemplary embodiments of the present invention relate to inorganic phosphors based on silicate compounds having improved stability under a resulting radiation load and resistance to atmospheric humidity, which are capable of converting higher-energy excitation radiation, i.e. ultraviolet (UV) or blue light, with high efficiency into a longer-wavelength radiation which may be in the visible spectral range. A calcium molar fraction x having a value between 0 and 0.05 is added to a silicate phosphor having the general formula Sr3-x-y-zCaxMIIySiO5:Euz.

    摘要翻译： 本发明的示例性实施方案涉及基于硅酸盐化合物的无机磷光体，其在所得到的辐射负载和耐大气湿度下具有改进的稳定性，其能够将高能激发辐射即紫外（UV）或蓝光转化为高 效率变成可能在可见光谱范围内的较长波长辐射。 向具有通式Sr3-x-y-zCaxMIIySiO5：Euz的硅酸盐荧光体中加入0至0.05的值的钙摩尔分数x。

    STRONTIUM OXYORTHOSILICATE PHOSPHORS HAVING IMPROVED STABILITY UNDER A RADIATION LOAD AND RESISTANCE TO ATMOSPHERIC HUMIDITY
    8.
    发明申请
    STRONTIUM OXYORTHOSILICATE PHOSPHORS HAVING IMPROVED STABILITY UNDER A RADIATION LOAD AND RESISTANCE TO ATMOSPHERIC HUMIDITY 有权
    具有辐射负载和抵抗大气湿度的改进稳定性的锑氧化硅酸盐磷酸盐

    公开(公告)号：US20110147662A1

    公开(公告)日：2011-06-23

    申请号：US12879361

    申请日：2010-09-10

    申请人： Chung Hoon LEE ,  Walter TEWS ,  Gundula ROTH ,  Detlef STARICK

    发明人： Chung Hoon LEE ,  Walter TEWS ,  Gundula ROTH ,  Detlef STARICK

    IPC分类号： C09K11/79 ,  C09K11/54 ,  C09K11/81

    CPC分类号： C09K11/7734 ,  H05B33/14

    摘要： Exemplary embodiments of the present invention relate to inorganic phosphors based on silicate compounds having improved stability under a resulting radiation load and resistance to atmospheric humidity, which are capable of converting higher-energy excitation radiation, i.e. ultraviolet (UV) or blue light, with high efficiency into a longer-wavelength radiation which may be in the visible spectral range. A calcium molar fraction x having a value between 0 and 0.05 is added to a silicate phosphor having the general formula Sr3-x-y-zCaxMIIySiO5:Euz.

    摘要翻译： 本发明的示例性实施方案涉及基于硅酸盐化合物的无机磷光体，其在所得到的辐射负载和耐大气湿度下具有改进的稳定性，其能够将高能激发辐射即紫外（UV）或蓝光转化为高 效率变成可能在可见光谱范围内的较长波长辐射。 向具有通式Sr3-x-y-zCaxMIIySiO5：Euz的硅酸盐荧光体中加入0至0.05的值的钙摩尔分数x。

    RARE-EARTH DOPED ALKALINE-EARTH SILICON NITRIDE PHOSPHOR, METHOD FOR PRODUCING AND RADIATION CONVERTING DEVICE COMPRISING SUCH A PHOSPHOR
    9.
    发明申请
    RARE-EARTH DOPED ALKALINE-EARTH SILICON NITRIDE PHOSPHOR, METHOD FOR PRODUCING AND RADIATION CONVERTING DEVICE COMPRISING SUCH A PHOSPHOR 有权
    稀土碱性碱土金属氮化硅磷酸盐，包含这种磷酸盐的生产和辐射转换装置的方法

    公开(公告)号：US20100288972A1

    公开(公告)日：2010-11-18

    申请号：US12738213

    申请日：2008-10-14

    申请人： Sven Roesler ,  Sylke Rösler ,  Detlef STARICK ,  Sven Rösler ,  Anne Charlotte Antoinette Delsing ,  Cheng-Jun Duan

    发明人： Sven Roesler ,  Sylke Rösler ,  Detlef STARICK ,  Sven Rösler ,  Anne Charlotte Antoinette Delsing ,  Cheng-Jun Duan

    IPC分类号： C09K11/59

    CPC分类号： C09K11/0883 ,  C09K11/773 ,  C09K11/7734

    摘要： The invention relates to a method of manufacturing a rare-earth doped alkaline-earth silicon nitride phosphor of a stoichiometric composition. Said method comprising the step of selecting one or more compounds each comprising at least one element of the group comprising the rare-earth elements (RE), the alkaline-earth elements (AE), silicon (Si) and nitrogen (N) and together comprising the necessary elements to form the rare-earth doped alkaline-earth silicon nitride phosphor (AE2Si5N8:RE). The method further comprises the step of bringing the compounds at an elevated temperature in reaction for forming the rare-earth doped alkaline-earth silicon nitride phosphor (AE2Si5N8:RE). In such a method normally a small amount of oxygen, whether intentionally or not-intentionally added, will be incorporated in the rare-earth doped alkaline-earth silicon nitride phosphor (AE2Si5N8:RE). According to the invention the creation of defects by formation of a non-stoichiometric oxygen containing phosphor is at least partly prevented by partly substituting for the ions (AE, Si, N) of the alkaline-earth silicon nitride phosphor (AE2Si5N8:RE) suitable further elements of the periodic system by which vacancies are created, filled or annihilated resulting in the formation of a modified alkaline-earth silicon nitride phosphor (AE2Si5N8:RE) having a stoichiometric composition. In this way a modified phosphor is obtained having excellent and stable optical properties. The invention further relates to a modified phosphor obtainable by the above-mentioned method and a radiation converting device comprising such a phosphor.

    摘要翻译： 本发明涉及一种制备化学计量组成的稀土掺杂碱土金属氮化硅荧光体的方法。 所述方法包括选择一种或多种化合物的步骤，每种化合物包含稀土元素（RE），碱土元素（AE），硅（Si）和氮（N）的组中的至少一种元素并在一起 包括形成稀土掺杂的碱土金属氮化硅荧光体（AE2Si5N8：RE）所必需的元素。 该方法还包括使化合物在升高的温度下反应以形成稀土掺杂的碱土金属氮化硅荧光体（AE2Si5N8：RE）的步骤。 在这种方法中，通常将少量的氧，无论有意或没有有意添加，都将被掺入稀土掺杂的碱土金属氮化硅荧光体（AE2Si5N8：RE）中。 根据本发明，通过部分代替碱土金属氮化硅荧光体（AE2Si5N8：RE）中的离子（AE2Si5N8：RE），至少部分地替代了通过形成非化学计量的含氧荧光体来产生缺陷， 产生空位的周期性系统的另外的元素，填充或消除，导致形成具有化学计量组成的改性碱土金属氮化硅荧光体（AE2Si5N8：RE）。 以这种方式获得具有优异且稳定的光学性质的改性荧光体。 本发明还涉及通过上述方法获得的改性荧光体和包含这种荧光体的辐射转换装置。