JP5380516B2 - 窒化物半導体発光素子 - Google Patents
窒化物半導体発光素子 Download PDFInfo
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- JP5380516B2 JP5380516B2 JP2011252895A JP2011252895A JP5380516B2 JP 5380516 B2 JP5380516 B2 JP 5380516B2 JP 2011252895 A JP2011252895 A JP 2011252895A JP 2011252895 A JP2011252895 A JP 2011252895A JP 5380516 B2 JP5380516 B2 JP 5380516B2
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Claims (3)
- p型及びn型のGaN層と、これらGaN層間に挟まれた単一量子井戸構造又は多重量子井戸構造の活性層を具備する窒化物系半導体発光ダイオードにおいて、
前記活性層は、量子井戸層と、この量子井戸層を間に挟む、量子井戸層よりもバンドギャップが大きい一対のバリア層とを含み、
前記一対のバリア層のそれぞれは、前記量子井戸層側から順に、Iny1Ga1-y1Nから構成される第1のサブバリア層、Iny2Ga1-y2Nから構成される第2のサブバリア層、及びIny3Ga1-y3Nから構成される第3のサブバリア層を含む多層構造を有し、0<y1,y3<y2<1、及びy1=y3の関係を満たし、n型不純物がドープされていないことを特徴とする窒化物系半導体発光ダイオード。 - 前記バリア層の膜厚をbnmとした場合、前記第1及び第3のサブバリア層の膜厚はそれぞれ0.25nm以上、(b/2)nm未満であることを特徴とする請求項1に記載の窒化物系半導体発光ダイオード。
- 前記第1及び第3のサブバリア層の膜厚は、それぞれ第2のサブバリア層の膜厚よりも小さいことを特徴とする請求項1に記載の窒化物半導体発光ダイオード。
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JP2011252895A JP5380516B2 (ja) | 2011-11-18 | 2011-11-18 | 窒化物半導体発光素子 |
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JP2012069982A JP2012069982A (ja) | 2012-04-05 |
JP5380516B2 true JP5380516B2 (ja) | 2014-01-08 |
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Families Citing this family (3)
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KR101953716B1 (ko) * | 2012-08-23 | 2019-03-05 | 엘지이노텍 주식회사 | 발광소자, 발광 소자 패키지 및 조명 시스템 |
KR20150025264A (ko) * | 2013-08-28 | 2015-03-10 | 삼성전자주식회사 | 정공주입층을 구비하는 반도체 발광 소자 및 그 제조 방법 |
JP6955172B2 (ja) | 2018-08-31 | 2021-10-27 | 日亜化学工業株式会社 | 窒化物半導体発光素子とその製造方法 |
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JP4285949B2 (ja) * | 2002-06-27 | 2009-06-24 | シャープ株式会社 | 窒化物半導体発光素子 |
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