JP2013008803A - Iii族窒化物半導体発光素子の製造方法 - Google Patents
Iii族窒化物半導体発光素子の製造方法 Download PDFInfo
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Abstract
【解決手段】InGaNからなる井戸層、AlGaNからなる障壁層、が順に繰り返し形成されたMQW構造の発光層を形成するに当たり、障壁層131のAl組成比をx(%)、障壁層131のバンドギャップエネルギーと井戸層130のバンドギャップエネルギーとの差をy(eV)として、12.9≦−2.8x+100y≦37、かつ、0.65≦y≦0.86、の範囲を満たすように井戸層130と障壁層131を形成する。あるいは、障壁層131のAl組成比をx(%)、井戸層130のIn組成比をz(%)として、162.9≦7.1x+10z≦216.1、かつ、3.1≦z≦9.2、の範囲を満たすように形成する。
【選択図】図4
Description
11:n型コンタクト層
12:n型クラッド層
13:発光層
14:p型クラッド層
15:p型コンタクト層
16:p電極
17:n電極
130:井戸層
131:障壁層
Claims (4)
- Inを含むIII 族窒化物半導体からなる井戸層、前記井戸層よりもバンドギャップが大きなAlを含むIII 族窒化物半導体からなる障壁層、が順に繰り返し形成されたMQW構造の発光層を有したIII 族窒化物半導体発光素子の製造方法において、
前記障壁層のAl組成比をx(%)、前記障壁層のバンドギャップエネルギーと前記井戸層のバンドギャップエネルギーとの差をy(eV)として、
12.9≦−2.8x+100y≦37、かつ、0.65≦y≦0.86
を満たすよう前記井戸層および前記障壁層を形成する、
ことを特徴とするIII 族窒化物半導体発光素子の製造方法。 - Inを含むIII 族窒化物半導体からなる井戸層、前記井戸層よりもバンドギャップが大きなAlを含むIII 族窒化物半導体からなる障壁層、が順に繰り返し形成されたMQW構造の発光層を有したIII 族窒化物半導体発光素子の製造方法において、
前記障壁層のAl組成比をx(%)、前記井戸層のIn組成比をz(%)として、
162.9≦7.1x+10z≦216.1、かつ、3.1≦z≦9.2
を満たすよう前記井戸層および前記障壁層を形成する、
ことを特徴とするIII 族窒化物半導体発光素子の製造方法。 - 発光波長が380〜410nmであることを特徴とする請求項1または請求項2に記載のIII 族窒化物半導体発光素子の製造方法。
- 前記井戸層はInGaN、前記障壁層はAlGaNであることを特徴とする請求項1ないし請求項3のいずれか1項に記載のIII 族窒化物半導体発光素子の製造方法。
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JP2011139869A JP2013008803A (ja) | 2011-06-23 | 2011-06-23 | Iii族窒化物半導体発光素子の製造方法 |
US13/527,458 US8878232B2 (en) | 2011-06-23 | 2012-06-19 | Method for producing group III nitride semiconductor light-emitting device |
CN2012102107273A CN102842658A (zh) | 2011-06-23 | 2012-06-20 | 用于制造第iii族氮化物半导体发光器件的方法 |
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US9577148B2 (en) | 2013-05-09 | 2017-02-21 | The University Of Tokyo | Light emitting diode element and method of manufacturing the same |
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US9818907B2 (en) * | 2013-01-23 | 2017-11-14 | Ushio Denki Kabushiki Kaisha | LED element |
CN112219324A (zh) * | 2018-10-31 | 2021-01-12 | 深圳市大疆创新科技有限公司 | 激光二极管芯片、封装模块、发射及测距装置、电子设备 |
US11552217B2 (en) * | 2018-11-12 | 2023-01-10 | Epistar Corporation | Semiconductor device |
Citations (4)
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JP2002084000A (ja) * | 2000-07-03 | 2002-03-22 | Toyoda Gosei Co Ltd | Iii族窒化物系化合物半導体発光素子 |
JP2006310864A (ja) * | 2005-04-28 | 2006-11-09 | Sharp Corp | 半導体発光デバイスおよび半導体デバイスの製造方法 |
JPWO2005101532A1 (ja) * | 2004-04-16 | 2007-08-16 | ナイトライド・セミコンダクター株式会社 | 窒化ガリウム系発光装置 |
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JPH10335700A (ja) * | 1997-06-04 | 1998-12-18 | Toshiba Corp | 半導体発光素子およびその製造方法 |
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TWI271877B (en) * | 2002-06-04 | 2007-01-21 | Nitride Semiconductors Co Ltd | Gallium nitride compound semiconductor device and manufacturing method |
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KR100482511B1 (ko) * | 2004-02-05 | 2005-04-14 | 에피밸리 주식회사 | Ⅲ-질화물계 반도체 발광소자 |
JP2006332365A (ja) | 2005-05-26 | 2006-12-07 | Toyoda Gosei Co Ltd | Iii族窒化物系化合物半導体発光素子およびそれを用いた発光装置 |
JP2008141118A (ja) * | 2006-12-05 | 2008-06-19 | Rohm Co Ltd | 半導体白色発光装置 |
JP5143171B2 (ja) * | 2010-03-17 | 2013-02-13 | 株式会社東芝 | 半導体発光素子及びその製造方法 |
JP5372045B2 (ja) * | 2011-02-25 | 2013-12-18 | 株式会社東芝 | 半導体発光素子 |
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JP2002084000A (ja) * | 2000-07-03 | 2002-03-22 | Toyoda Gosei Co Ltd | Iii族窒化物系化合物半導体発光素子 |
JPWO2005101532A1 (ja) * | 2004-04-16 | 2007-08-16 | ナイトライド・セミコンダクター株式会社 | 窒化ガリウム系発光装置 |
JP2006310864A (ja) * | 2005-04-28 | 2006-11-09 | Sharp Corp | 半導体発光デバイスおよび半導体デバイスの製造方法 |
JP2011222812A (ja) * | 2010-04-12 | 2011-11-04 | Showa Denko Kk | 半導体発光素子の製造方法およびランプ、電子機器、機械装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US9577148B2 (en) | 2013-05-09 | 2017-02-21 | The University Of Tokyo | Light emitting diode element and method of manufacturing the same |
JPWO2014181558A1 (ja) * | 2013-05-09 | 2017-02-23 | 国立大学法人 東京大学 | 発光ダイオード素子およびその製造方法 |
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US8878232B2 (en) | 2014-11-04 |
CN102842658A (zh) | 2012-12-26 |
US20120326205A1 (en) | 2012-12-27 |
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