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    • 10. 发明申请
    • Gan-Based III-V Compound Semiconductor Light-Emitting Element and Method for Manufacturing Thereof
    • 赣基III-V复合半导体发光元件及其制造方法
    • US20080217632A1
    • 2008-09-11
    • US10569877
    • 2004-08-26
    • Shigetaka TomiyaOsamu Goto
    • Shigetaka TomiyaOsamu Goto
    • H01L33/00H01L21/02
    • H01L33/32B82Y20/00H01L33/06H01S5/2009H01S5/3407
    • A GaN-based III-V group compound semiconductor light-emitting element having high light-emitting efficiency and high reliability at a light-emitting wavelength of 440 nm or more is provided.A GaN-based semiconductor laser element 10 has a laminated structure of: a stripe-shaped convex portion 18 made of a surface layer of a sapphire substrate 12, a buffer layer 14 and a first GaN layer 16, and on the sapphire substrate, a second GaN layer 20, an n-side cladding layer 22, an n-side guide layer 24, an active layer 26, a deterioration prevention layer 28, a p-side guide layer 30, a p-side cladding layer 32 and a p-side contact layer 34. The active layer is formed of a quantum well structure including a GaInN barrier layer 36 and a GaInN well layer 38, and a planar crystal defect prevention layer 40 made of an AlGaN layer is provided on the upper surface or lower surface, or between both the surfaces of the barrier layer and the well layer. Upper portions of the p-side contact layer and the p-side cladding layer are formed as a stripe-shaped ridge 42 and a mesa 44 is formed in parallel with the ridge.
    • 提供了在440nm以上的发光波长下具有高发光效率和高可靠性的GaN系III-V族化合物半导体发光元件。 GaN系半导体激光元件10具有如下层叠结构:由蓝宝石基板12的表面层,缓冲层14和第一GaN层16构成的条状凸部18,在蓝宝石基板上, 第二GaN层20,n侧包层22,n侧引导层24,有源层26,劣化防止层28,p侧引导层30,p侧覆层32和p 有源层由包括GaInN势垒层36和GaInN阱层38的量子阱结构形成,并且在上表面或更低层上设置由AlGaN层制成的平面晶体缺陷防止层40 表面,或在阻挡层和阱层的两个表面之间。 p侧接触层和p侧包覆层的上部形成为条状的脊部42,并且与脊部平行地形成台面44。