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    • 57. 发明公开
    • NITRIDE-BASED SEMICONDUCTOR LIGHT-EMITTING ELEMENT
    • 基督教徒基督教徒基督教信仰基金会
    • EP2455988A1
    • 2012-05-23
    • EP10787665.8
    • 2010-06-14
    • Sumitomo Electric Industries, Ltd.
    • KYONO TakashiENYA YoheiYOSHIZUMI YusukeAKITA KatsushiSUMITOMO TakamichiUENO Masaki
    • H01L33/32H01L33/06H01L33/16
    • H01L33/04H01L33/12
    • A nitride-based semiconductor light-emitting device having enhanced efficiency of carrier injection to a well layer is provided. The nitride-based semiconductor light-emitting device comprises a hexagonal gallium nitride-based semiconductor substrate 5, an n-type gallium nitride-based semiconductor region 7 disposed on the principal surface S1 of the substrate 5, a light-emitting layer 11 having a single-quantum-well structure disposed on the n-type gallium nitride-based semiconductor region 7, and a p-type gallium nitride-based semiconductor region 19 disposed on the light-emitting layer 11. The light-emitting layer 11 is disposed between the n-type gallium nitride-based semiconductor region 7 and the p-type gallium nitride-based semiconductor region 19. The light-emitting layer 11 includes a well layer 15 and barrier layers 13 and 17. The well layer 15 comprises InGaN. The principal surface S1 extends along a reference plane S5 tilting from a plane perpendicular to the c-axis of the hexagonal gallium nitride-based semiconductor at a tilt angle in a range of not less than 63 degrees and not more than 80 degrees or in a range of not less than 100 degrees and not more than 117 degrees.
    • 提供了具有提高载流子注入阱层效率的氮化物基半导体发光器件。 氮化物系半导体发光元件包括六方晶系氮化镓系半导体基板5,配置在基板5的主面S1上的n型氮化镓系半导体区域7,发光层11具有 设置在n型氮化镓系半导体区域7上的单量子阱结构以及配置在发光层11上的p型氮化镓系半导体区域19.发光层11配置在 n型氮化镓基半导体区域7和p型氮化镓基半导体区域19.发光层11包括阱层15和阻挡层13和17.阱层15包括InGaN。 主表面S1沿着垂直于六方晶系氮化镓基半导体的c轴的平面倾斜的参考平面S5延伸,倾斜角度在不小于63度且不大于80度的范围内,或者在 范围不小于100度且不超过11​​7度。