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    • 7. 发明申请
    • LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE
    • 发光装置和发光装置包装
    • US20110249468A1
    • 2011-10-13
    • US13080706
    • 2011-04-06
    • Yong Tae Moon
    • Yong Tae Moon
    • F21V7/22H01L33/50
    • H01L33/08H01L33/32H01L33/50H01L2224/48091H01L2924/00014
    • A light emitting device includes a light emitting structure comprising a first conductivity type semiconductor layer, a second conductivity type semiconductor layer and an active layer disposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer to emit a light of a first wavelength; and a re-emission layer disposed on the light emitting structure, the re-emission layer comprising a nitride semiconductor, wherein the re-emission layer absorbs the light of the first wavelength range and the re-emission layer emits a light of a second wavelength range longer than the first wavelength range, and the re-emission layer is configured of multi layers having different indium (In) compositions, respectively, and the indium content in the multi-layer is largest in a top layer of the multi-layers.
    • 发光器件包括发光结构,其包括第一导电类型半导体层,第二导电类型半导体层和设置在第一导电类型半导体层和第二导电类型半导体层之间的有源层,以发射第一波长的光 ; 以及设置在所述发光结构上的再发射层,所述再发射层包括氮化物半导体,其中所述再发射层吸收所述第一波长范围的光,并且所述再发射层发射第二波长的光 范围比第一波长范围长,并且再发射层分别由具有不同铟(In)组成的多层构成,多层中的铟含量在多层顶层中最大。