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    • 4. 发明申请
    • OPTOELECTRONIC SEMICONDUCTOR CHIP
    • 光电子半导体芯片
    • WO2011104274A3
    • 2011-12-01
    • PCT/EP2011052681
    • 2011-02-23
    • OSRAM OPTO SEMICONDUCTORS GMBHEICHLER CHRISTOPHLERMER TERESAAVRAMESCU ADRIAN STEFAN
    • EICHLER CHRISTOPHLERMER TERESAAVRAMESCU ADRIAN STEFAN
    • H01S5/343H01S5/20
    • H01S5/2018B82Y20/00H01S5/0655H01S5/2009H01S5/2027H01S5/3211H01S5/34333H01S2301/18
    • In at least one embodiment of the optoelectronic semiconductor chip (1) the same comprises a substrate (2) and a semiconductor layer sequence (3) which is epitaxially grown on the substrate (2). The semiconductor layer sequence (3) is based on a nitride compound semiconductor material and includes at least one active zone (4) for generating electromagnetic radiation and at least one waveguide layer (5) which adjoins the active zone (4) indirectly or directly, thereby forming a waveguide (45). The semiconductor layer sequence (4) further comprises a p-cladding (6p) adjoining the waveguide layer (4) on a p-doped side or/and an n-cladding (6n) on an n-doped side of the active zone (4). The waveguide layer (5) adjoins the cladding (6n, 6p) indirectly or directly. An effective refractive index (neff) of a mode (M) passing through the waveguide is higher than a refractive index of the substrate (2).
    • 在载体(2)的光电子半导体芯片(1)的至少一个实施例,并且所述载体(2)上生长的半导体层序列(3)。 半导体层序列(3)基于氮化物的化合物半导体材料,并且包括至少一个有源区(4),用于产生电磁辐射和至少一个波导层(5),其直接或间接地邻接所述有源区(4),其中一个波导( 45)形成。 此外,半导体层序列(3)包括一个以上的掺杂p侧和/或n覆层(6 N)的波导层(4)接壤p覆层(6P)在有源区(4)的n型掺杂侧上。 波导层(5)间接或直接毗邻包层(6N,6P)上。 在波导(M)引导的模式的有效折射率(夫)在这种情况下比所述载体(2)的折射率更大。