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    • 1. 发明专利
    • Fluorescence material and white light emitting element
    • 荧光材料和白光发光元件
    • JP2012111928A
    • 2012-06-14
    • JP2011028409
    • 2011-02-14
    • Chunghwa Picture Tubes Ltd中華映管股▲ふん▼有限公司
    • CHIU CHUANG-HUNGLI HUAI-AN
    • C09K11/64H01L33/50
    • C09K11/7734C09K11/0883C09K11/643H01L33/502H01L33/504Y02B20/181
    • PROBLEM TO BE SOLVED: To provide fluorescence powder capable of adjusting the wavelength of radiant light beams according to each different request, and to provide a white light emitting element having a comparatively good color rendering properties and a comparatively good quality.SOLUTION: A fluorescence material and the white light emitting element are provided. The white light emitting element includes a light emitting diode chip, a first fluorescence material, and a second fluorescence material. The light emitting diode chip is arranged on a substrate in order to emit laser light. The first fluorescence material and the second fluorescence material are arranged on the light emitting diode chip. A composition component of the first fluorescence material includes an aluminum nitride oxide doped with at least one of europium (eurpium=Eu) and manganese (Mn). The second fluorescence material is arranged on the light emitting diode chip, and thereafter first radiant light emitted by the first fluorescence material after absorbing the laser light emitted from the light emitting diode chip and second radiant light emitted by the second fluorescence material after absorbing the laser light emitted from the light emitting diode chip are mixed to generate white light beams.
    • 要解决的问题:提供能够根据各种不同的要求调节辐射光束的波长的荧光粉末,并提供具有比较好的显色性能和较好质量的白色发光元件。 解决方案:提供荧光材料和白色发光元件。 白色发光元件包括发光二极管芯片,第一荧光材料和第二荧光材料。 发光二极管芯片布置在基板上以发射激光。 第一荧光材料和第二荧光材料被布置在发光二极管芯片上。 第一荧光材料的组成成分包括掺杂有铕(eurPium = Eu)和锰(Mn)中的至少一种的氮化铝。 第二荧光材料布置在发光二极管芯片上,之后在吸收从发光二极管芯片发射的激光后由第一荧光材料发射的第一辐射光和吸收激光后由第二荧光材料发射的第二辐射光 从发光二极管芯片发射的光被混合以产生白色光束。 版权所有(C)2012,JPO&INPIT