- 专利标题： Light-emitting device
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申请号： US16397775申请日： 2019-04-29
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公开(公告)号： US10784404B2公开(公告)日： 2020-09-22
- 发明人: Peng Ren Chen , Yu-Shan Chiu , Wen-Hsiang Lin , Shih-Wei Wang , Chen Ou
- 申请人： EPISTAR CORPORATION
- 申请人地址： TW Hsinchu
- 专利权人： EPISTAR CORPORATION
- 当前专利权人： EPISTAR CORPORATION
- 当前专利权人地址： TW Hsinchu
- 代理机构： Ditthavong & Steiner P.C.
- 优先权： com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@769a61c0
- 主分类号： H01L33/22
- IPC分类号： H01L33/22 ; H01L33/12 ; H01L33/06 ; H01L33/02 ; H01L33/00 ; H01L33/32
摘要：
A light-emitting device, includes a substrate structure, including a base portion having a surface and a plurality of protrusions formed on the base portion; a buffer layer covering the plurality of protrusions and the surface; and III-V compound semiconductor layers formed on the buffer layer; wherein one of the plurality of protrusions has a height not greater than 1.5 μm; wherein the light-emitting device has a full width at half maximum (FWHM) of smaller than 250 arcsec in accordance with a (102) XRD rocking curve.
公开/授权文献
- US20190334059A1 LIGHT-EMITTING DEVICE 公开/授权日：2019-10-31
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