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    • 6. 发明申请
    • LIGHT-EMITTING DEVICE
    • 发光装置
    • US20140225138A1
    • 2014-08-14
    • US14174036
    • 2014-02-06
    • Epistar Corporation
    • Tsung-Hsien YANGTzu-Chieh HSUYi-Ming CHENYi-Tang LAIJhih-Jheng YANGChih-Wei WEIChing-Sheng CHENShih-I CHENChia-Liang HSUYe-Ming HSU
    • H01L33/22
    • H01L33/02H01L33/0079
    • A light-emitting device is disclosed and comprises: a transparent substrate; a semiconductor light-emitting stack on the transparent substrate, wherein the semiconductor light-emitting stack comprises a first semiconductor layer close to the transparent substrate, a second semiconductor layer away from the transparent substrate, and a light-emitting layer capable of emitting a light disposed between the first semiconductor layer and the second semiconductor layer; and a bonding layer between the transparent substrate and the semiconductor light-emitting stack, wherein the bonding layer has a gradually changed refractive index, and each of critical angles at the bonding layer and the transparent substrate for the light emitted from the light-emitting layer towards the transparent substrate is larger than 35 degrees.
    • 公开了一种发光器件,包括:透明衬底; 在所述透明基板上的半导体发光层,其中,所述半导体发光层包括靠近所述透明基板的第一半导体层,远离所述透明基板的第二半导体层,以及能够发光的发光层 设置在第一半导体层和第二半导体层之间; 以及在所述透明基板和所述半导体发光叠层之间的接合层,其中所述接合层具有逐渐变化的折射率,并且所述接合层处的临界角和从所述发光层发射的光的所述透明基板 朝向透明基板大于35度。