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    • 6. 发明申请
    • SINGLE-COLOR WAVELENGTH-CONVERTED LIGHT EMITTING DEVICES
    • 单色波长转换发光装置
    • WO2011008627A3
    • 2011-03-10
    • PCT/US2010041350
    • 2010-07-08
    • CREE INCLETOQUIN RONAN PBRANDES GEORGE
    • LETOQUIN RONAN PBRANDES GEORGE
    • H01L33/50
    • H01L33/502H01L2224/48247H01L2924/181H01L2924/00012
    • A packaged light emitting device (LED) (10) includes an LED chip (12) configured to emit light within a first wavelength range, and a wavelength conversion material (16) on the LED chip. The wavelength conversion material is configured to receive the light within the first wavelength range and responsiveIy 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.
    • 封装发光器件(LED)(10)包括配置成发射第一波长范围内的光的LED芯片(12)和LED芯片上的波长转换材料(16)。 波长转换材料被配置为在第一波长范围内接收光,并且响应于在不同于第一波长范围的第二波长范围内发光,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。