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    • 10. 发明授权
    • ZnO compound semiconductor light emitting element
    • ZnO化合物半导体发光元件
    • US06674098B1
    • 2004-01-06
    • US10031931
    • 2002-01-25
    • Shigeru NikiPaul FonsKakuya IwataTetsuhiro TanabeHidemi TakasuKen Nakahara
    • Shigeru NikiPaul FonsKakuya IwataTetsuhiro TanabeHidemi TakasuKen Nakahara
    • H01L2715
    • H01L33/28H01L33/0087H01S5/021H01S5/32308H01S5/32341H01S5/327
    • A light emitting device includes a silicon substrate (1), a silicon nitride film (2) formed on the surface of the silicon substrate (1), at least an n-type layer (3), (4) and a p-type layer (6), (7) which are formed on the silicon nitride film (2) and also which are made of a ZnO based compound semiconductor, and a semiconductor layer lamination (11) in which layers are laminated to form a light emitting layer. Preferably this silicon nitride film (2) is formed by thermal treatment conducted in an atmosphere containing nitrogen such as an ammonium gas. Also, in another embodiment, a light emitting device is formed by growing a ZnO based compound semiconductor layer on a main face of a sapphire substrate, the main face being perpendicular to the C-face thereof. As a result, it is possible to obtain a device using a ZnO based compound with high properties such as an LED very excellent in crystallinity and having a high light emitting efficiency.
    • 发光器件包括:硅衬底(1),形成在硅衬底(1)的表面上的氮化硅膜(2),至少n型层(3),(4)和p型 形成在氮化硅膜(2)上并且由ZnO基化合物半导体制成的层(6),(7)和层叠层以形成发光层的半导体层层叠体 。 优选地,该氮化硅膜(2)通过在含氮气体的气氛中进行热处理而形成。 此外,在另一实施例中,通过在蓝宝石衬底的主面上生长ZnO基化合物半导体层,主面垂直于其C面而形成发光器件。 结果,可以获得使用具有高性能的ZnO基化合物的器件,例如非常优异的结晶度并且具有高发光效率的LED。