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    • 1. 发明申请
    • High brightness light emitting diode with a bidrectionally angled substrate
    • 高亮度发光二极管,具有双偏角底板
    • US20090218562A1
    • 2009-09-03
    • US12381238
    • 2009-03-10
    • Joon-Suk SongSoo-Hyung SeoMyung-Hwan Oh
    • Joon-Suk SongSoo-Hyung SeoMyung-Hwan Oh
    • H01L33/00
    • H01L33/16H01L33/22Y10S438/973
    • A light emitting diode includes a substrate tilted toward first and second directions simultaneously, a first cladding layer formed with a semiconductor material of a first conductive type on the substrate, an active layer formed on the first cladding layer, and a second cladding layer formed with a semiconductor material of a second conductive type on the active layer, wherein concavo-convexes are formed on the interfaces of the first cladding layer, the second cladding layer, and the active layer, and the (100) substrate is a III-V or a IV-IV group semiconductor substrate, and has a crystal orientation such that a (100) plane of the (100) substrate is inclined 2 to 20° toward the [0-1-1] direction and 1 to 8° toward the [0-11] direction.
    • 发光二极管包括同时向第一和第二方向倾斜的衬底,在衬底上形成有第一导电类型的半导体材料的第一覆层,形成在第一覆层上的有源层和形成有第二覆层的第二覆层, 在所述有源层上具有第二导电类型的半导体材料,其中在所述第一包层,所述第二包层和所述有源层的界面上形成凹凸,并且所述(100)衬底为III-V或 具有使(100)基板的(100)面朝向[0-1-1]方向倾斜2〜20°,朝向[0-1-1]方向1〜8°的晶体取向的晶体取向, 0-11]方向。