发明名称 LIGHT EMITTING DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a light emitting device which is improved in light extraction efficiency by suppressing variations of an uneven shape formed on a semiconductor surface. <P>SOLUTION: The light emitting device includes a substrate, a semiconductor stack structure having a plurality of semiconductor layers including at least a light emitting layer and formed on the substrate, and an uneven shape portion formed on the surface of the semiconductor stack structure on the opposite side from the substrate while including projection portions and recessed portions, surfaces of the projection portions or recessed portions of the uneven shape portion exposing a plurality of regions of the plurality of semiconductor layers that the semiconductor stack structure have. <P>COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009070991(A) 申请公布日期 2009.04.02
申请号 JP20070236962 申请日期 2007.09.12
申请人 HITACHI CABLE LTD 发明人 YOKOYAMA KOSUKE
分类号 H01L33/22;H01L33/30;H01L33/62 主分类号 H01L33/22
代理机构 代理人
主权项
地址