JP5060656B2 - 窒化物半導体発光素子およびその製造方法 - Google Patents
窒化物半導体発光素子およびその製造方法 Download PDFInfo
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- JP5060656B2 JP5060656B2 JP2011540650A JP2011540650A JP5060656B2 JP 5060656 B2 JP5060656 B2 JP 5060656B2 JP 2011540650 A JP2011540650 A JP 2011540650A JP 2011540650 A JP2011540650 A JP 2011540650A JP 5060656 B2 JP5060656 B2 JP 5060656B2
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- H10H20/822—Materials of the light-emitting regions
- H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
- H10H20/825—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP containing nitrogen, e.g. GaN
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- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
- H10H20/0133—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials
- H10H20/01335—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials the light-emitting regions comprising nitride materials
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- H10H20/80—Constructional details
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- H10H20/8215—Bodies characterised by crystalline imperfections, e.g. dislocations; characterised by the distribution of dopants, e.g. delta-doping
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- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/24—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials using chemical vapour deposition [CVD]
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- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/29—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
- H10P14/2901—Materials
- H10P14/2907—Materials being Group IIIA-VA materials
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- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/32—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
- H10P14/3202—Materials thereof
- H10P14/3214—Materials thereof being Group IIIA-VA semiconductors
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- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/32—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
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- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/34—Deposited materials, e.g. layers
- H10P14/3402—Deposited materials, e.g. layers characterised by the chemical composition
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- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/34—Deposited materials, e.g. layers
- H10P14/3438—Doping during depositing
- H10P14/3441—Conductivity type
- H10P14/3442—N-type
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- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/34—Deposited materials, e.g. layers
- H10P14/3438—Doping during depositing
- H10P14/3441—Conductivity type
- H10P14/3444—P-type
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
- H10H20/812—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions within the light-emitting regions, e.g. having quantum confinement structures
Description
11 基板
12 GaN層
13 n型GaNクラッド層
14 MQW活性層
15 GaN障壁層
16 InGaN井戸層
17 GaNキャップ層
18 AlGaNキャップ層
19 p型AlGaN電子障壁層
20 p型GaNクラッド層
21 p型GaNコンタクト層
22 p側電極
23 n側電極
Claims (3)
- n型窒化物半導体を有する第1クラッド層と、
前記第1クラッド層上に形成され、Inを含む窒化物半導体を有する活性層と、
前記活性層上に形成され、Mg濃度が1E18cm −3 以下のGaN層と、
前記GaN層上に形成され、第1のAl組成比が0より大きく0.01以下、Mg濃度が1E18cm −3 以下、厚さが前記GaN層の厚さより薄い第1AlGaN層と、
前記第1AlGaN層上に形成され、前記第1のAl組成比より高い第2のAl組成比を有し、且つ前記GaN層および前記第1AlGaN層より多量にMgを含有するp型第2AlGaN層と、
前記第2AlGaN層上に形成され、p型窒化物半導体を有する第2クラッド層と、
を具備することを特徴とする窒化物半導体発光素子。 - 前記活性層がバリア層と井戸層を積層した量子井戸構造を有し、前記GaN層に接する層が井戸層であることを特徴とする請求項1に記載の窒化物半導体発光素子。
- n型窒化物半導体を有する第1クラッド層上に、Inを含む窒化物半導体を有する活性層を形成する工程と、
前記活性層上に、Mg濃度が1E18cm −3 以下のGaN層および第1のAl組成比が0より大きく0.01以下、Mg濃度が1E18cm −3 以下、厚さが前記GaN層の厚さより薄い第1AlGaN層を順に、有機金属気相成長法により前記活性層を形成する温度と同じ第1の成長温度、窒素ガス雰囲気およびMgを無添加で形成する工程と、
前記第1AlGaN層上に、前記第1のAl組成比より大きい第2のAl組成比を有する第2AlGaN層を、有機金属気相成長法により前記第1の成長温度より高い第2の成長温度、水素ガスを主成分とする雰囲気およびMgを添加して形成する工程と、
前記第2AlGaN層上に、p型窒化物半導体を有する第2クラッド層を形成する工程と、
を具備することを特徴とする窒化物半導体発光素子の製造方法。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2009/007049 WO2011077473A1 (ja) | 2009-12-21 | 2009-12-21 | 窒化物半導体発光素子およびその製造方法 |
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| JP2012111397A Division JP5607106B2 (ja) | 2012-05-15 | 2012-05-15 | 窒化物半導体発光素子およびその製造方法 |
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| JP5060656B2 true JP5060656B2 (ja) | 2012-10-31 |
| JPWO2011077473A1 JPWO2011077473A1 (ja) | 2013-05-02 |
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| JP2011540650A Active JP5060656B2 (ja) | 2009-12-21 | 2009-12-21 | 窒化物半導体発光素子およびその製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US8455917B2 (ja) |
| EP (1) | EP2518783B1 (ja) |
| JP (1) | JP5060656B2 (ja) |
| KR (2) | KR101422452B1 (ja) |
| CN (1) | CN102668138B (ja) |
| WO (1) | WO2011077473A1 (ja) |
Cited By (4)
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| US9196786B2 (en) | 2012-12-28 | 2015-11-24 | Kabushiki Kaisha Toshiba | Semiconductor light emitting element and method for manufacturing the same |
| US9269868B2 (en) | 2013-09-24 | 2016-02-23 | Kabushiki Kaisha Toshiba | Semiconductor light emitting element and method for manufacturing semiconductor light emitting element |
| WO2016092822A1 (ja) * | 2014-12-08 | 2016-06-16 | Dowaエレクトロニクス株式会社 | Iii族窒化物半導体発光素子の製造方法 |
| JP2016111370A (ja) * | 2014-12-08 | 2016-06-20 | Dowaエレクトロニクス株式会社 | Iii族窒化物半導体発光素子の製造方法およびiii族窒化物半導体発光素子 |
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| JP5668647B2 (ja) * | 2011-09-06 | 2015-02-12 | 豊田合成株式会社 | Iii族窒化物半導体発光素子およびその製造方法 |
| US9312432B2 (en) * | 2012-03-13 | 2016-04-12 | Tsmc Solid State Lighting Ltd. | Growing an improved P-GaN layer of an LED through pressure ramping |
| US20140203287A1 (en) * | 2012-07-21 | 2014-07-24 | Invenlux Limited | Nitride light-emitting device with current-blocking mechanism and method for fabricating the same |
| KR20140074516A (ko) * | 2012-12-10 | 2014-06-18 | 서울바이오시스 주식회사 | 질화갈륨계 반도체층 성장 방법 및 발광 소자 제조 방법 |
| JP2014192274A (ja) * | 2013-03-27 | 2014-10-06 | Stanley Electric Co Ltd | 高出力GaN系半導体発光素子 |
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| KR20220058643A (ko) | 2015-06-05 | 2022-05-09 | 오스텐도 테크놀로지스 인코포레이티드 | 다수의 활성층들로 선택적으로 캐리어를 주입한 발광 구조체 |
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2009
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- 2009-12-21 WO PCT/JP2009/007049 patent/WO2011077473A1/ja not_active Ceased
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- 2009-12-21 CN CN200980163090.3A patent/CN102668138B/zh active Active
- 2009-12-21 KR KR1020147005124A patent/KR101422452B1/ko active Active
- 2009-12-21 KR KR1020127015478A patent/KR101408610B1/ko active Active
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| JP2007207827A (ja) * | 2006-01-31 | 2007-08-16 | Toshiba Corp | 半導体レーザ装置 |
| JP2009016467A (ja) * | 2007-07-03 | 2009-01-22 | Sony Corp | 窒化ガリウム系半導体素子及びこれを用いた光学装置並びにこれを用いた画像表示装置 |
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| US9196786B2 (en) | 2012-12-28 | 2015-11-24 | Kabushiki Kaisha Toshiba | Semiconductor light emitting element and method for manufacturing the same |
| US9269868B2 (en) | 2013-09-24 | 2016-02-23 | Kabushiki Kaisha Toshiba | Semiconductor light emitting element and method for manufacturing semiconductor light emitting element |
| WO2016092822A1 (ja) * | 2014-12-08 | 2016-06-16 | Dowaエレクトロニクス株式会社 | Iii族窒化物半導体発光素子の製造方法 |
| JP2016111370A (ja) * | 2014-12-08 | 2016-06-20 | Dowaエレクトロニクス株式会社 | Iii族窒化物半導体発光素子の製造方法およびiii族窒化物半導体発光素子 |
| CN107004745A (zh) * | 2014-12-08 | 2017-08-01 | 同和电子科技有限公司 | 第iii族氮化物半导体发光器件的制造方法 |
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| CN107004745B (zh) * | 2014-12-08 | 2019-03-08 | 同和电子科技有限公司 | 第iii族氮化物半导体发光器件的制造方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101408610B1 (ko) | 2014-06-17 |
| WO2011077473A1 (ja) | 2011-06-30 |
| CN102668138B (zh) | 2015-06-10 |
| EP2518783A4 (en) | 2014-03-19 |
| US20130122626A1 (en) | 2013-05-16 |
| KR20120081249A (ko) | 2012-07-18 |
| EP2518783B1 (en) | 2016-04-13 |
| JPWO2011077473A1 (ja) | 2013-05-02 |
| EP2518783A1 (en) | 2012-10-31 |
| CN102668138A (zh) | 2012-09-12 |
| US8455917B2 (en) | 2013-06-04 |
| US20120049157A1 (en) | 2012-03-01 |
| KR20140047147A (ko) | 2014-04-21 |
| US8623683B2 (en) | 2014-01-07 |
| KR101422452B1 (ko) | 2014-07-22 |
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