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公开(公告)号:US20170054055A1
公开(公告)日:2017-02-23
申请号:US15147039
申请日:2016-05-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jung Sub KIM , Dong Hyun LEE , Jin Sub LEE , Kyung Wook HWANG , In Su SHIN , Eui Joon YOON , Gun Do LEE , Jeong Hwan JANG
Abstract: A semiconductor ultraviolet light emitting device includes: a substrate; a buffer layer disposed on the substrate and comprising a plurality of nanorods between which a plurality of voids are formed; a first conductive nitride layer disposed on the buffer layer and having a first conductive AlGaN layer; an active layer disposed on the first conductive nitride layer and having a quantum well including AlxInyGa1-x-yN (0≦x+y≦1, 0≦y
Abstract translation: 一种半导体紫外线发射装置,包括:基板; 缓冲层,其设置在所述基板上并且包括多个纳米棒,在所述多个纳米棒之间形成有多个空隙; 第一导电氮化物层,设置在所述缓冲层上并具有第一导电AlGaN层; 设置在第一导电氮化物层上并具有包括Al x In y Ga 1-x-y N(0≤x+y≤1,0≤y<0.15)的量子阱的有源层)。 以及设置在所述有源层上并具有第二导电AlGaN层的第二导电氮化物层,其中所述多个纳米棒满足3.5≤n(λ)×D /λ≤5.0,其中λ表示由所述活性物质产生的光的波长 层,n(λ)表示波长为λ的多个纳米棒的折射率,D表示多个纳米棒的直径。