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    • 3. 发明申请
    • Led with Improve Light Emittance Profile
    • 带动改善发光特性
    • US20080284329A1
    • 2008-11-20
    • US11570438
    • 2005-06-10
    • Dietrich BertramThomas Justel
    • Dietrich BertramThomas Justel
    • H01J1/62H01J9/02B05D5/06
    • H01L33/504H01L33/08
    • The present invention relates to a LED comprising at least one red light emitting and/or conversion layer, which emits light in the wavelength of ≧550 nm to ≦750 nm, preferably ≧630 nm to ≦700 nm, and/or at least one blue light emitting layer, which emits light in the wavelength of ≧400 nm to ≦550 nm, preferably ≧420 nm to ≦500 nm, and/or at least one green and/or yellow emitting luminescence material, which emits light in the wavelength ≧530 nm to ≦610 nm, whereby the at least one green and/or yellow emitting luminescence material is capable of absorbing light which is emitted by the at least one blue light emitting layer, characterized in that the red light emitting and/or conversion layer is made of a semiconductor material.
    • 本发明涉及一种包括至少一个红光发射和/或转换层的LED,其发射波长> = 550nm至<= 750nm,优选> = 630nm至<= 700nm的光,和/ 或至少一个蓝色发光层,其发射波长> = 400nm至<= 550nm的光,优选> = 420nm至<= 500nm,和/或至少一种绿色和/或黄色发光发光 其发射波长> = 530nm至+ 610nm的光,由此所述至少一个绿色和/或黄色发光的发光材料能够吸收由至少一个蓝色发光层发射的光,其特征在于 红色发光和/或转换层由半导体材料制成。