发明名称 Nitride-based semiconductor light-emitting device
摘要 A nitride-based semiconductor light-emitting device includes a light-emitting stack comprising a first semiconductor structure having a first conductivity, a second semiconductor structure having a second conductivity, and an active region interposed the first semiconductor structure and the second semiconductor structure; a semiconductor buffer structure formed under the first semiconductor structure; and an un-doped AlGaN layer formed between the first semiconductor structure and the semiconductor buffer structure.
申请公布号 US9524869(B2) 申请公布日期 2016.12.20
申请号 US201414154149 申请日期 2014.01.13
申请人 Epistar Corporation 发明人 Lin Wen Hsiang;Hsieh Chang-Hua
分类号 H01L29/06;H01L21/02;H01L33/00;H01L33/12 主分类号 H01L29/06
代理机构 Muncy, Geissler, Olds & Lowe, P.C. 代理人 Muncy, Geissler, Olds & Lowe, P.C.
主权项 1. A nitride-based semiconductor light-emitting device, comprising: a light-emitting stack comprising a first semiconductor structure having a first conductivity, a second semiconductor structure having a second conductivity, and an active region between the first semiconductor structure and the second semiconductor structure; a semiconductor buffer structure formed under the first semiconductor structure; and an un-doped AlGaN layer formed between the first semiconductor structure and the semiconductor buffer structure, wherein the un-doped AlGaN layer comprises a thickness between 40 and 600 angstrom.
地址 Hsinchu TW