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    • 4. 发明申请
    • Substrate for fabricating light emitting device and light emitting device fabricated therefrom
    • 用于制造发光器件的基板和由其制造的发光器件
    • US20100006862A1
    • 2010-01-14
    • US12453409
    • 2009-05-11
    • Chih-Ching Cheng
    • Chih-Ching Cheng
    • H01L33/00B32B3/00
    • H01L33/22H01L33/16Y10T428/24479
    • The invention provides a substrate for fabricating a light emitting device and the light emitting device fabricated therefrom. The substrate includes at least one platform region having a first facet direction for epitaxial growth; and a plurality of continuous protruded portions surrounding the at least one platform region to isolate the at least one platform region from another platform region, wherein the first facet direction is substantially excluded from facet directions of the plurality of continuous protruded portions. Since facet directions of the plurality of continuous protruded portions substantially do not include the first facet direction, during formation of the light emitting device, epitaxial growth is mainly conducted on the at least one platform region, which may prevent epitaxial defects from generating and enhance external quantum efficiency of the light emitting device.
    • 本发明提供一种用于制造发光器件的衬底和由其制造的发光器件。 衬底包括具有用于外延生长的第一小面方向的至少一个平台区域; 以及围绕所述至少一个平台区域的多个连续突出部分,以将所述至少一个平台区域与另一个平台区域隔离,其中所述第一小面方向基本上从所述多个连续突出部分的小平面方向排除。 由于多个连续突出部分的面方向基本上不包括第一小面方向,所以在形成发光器件期间,外延生长主要在至少一个平台区域上进行,这可以防止外延缺陷产生和增强外部 发光器件的量子效率。