JP4592560B2 - 窒化物半導体発光素子 - Google Patents
窒化物半導体発光素子 Download PDFInfo
- Publication number
- JP4592560B2 JP4592560B2 JP2005307061A JP2005307061A JP4592560B2 JP 4592560 B2 JP4592560 B2 JP 4592560B2 JP 2005307061 A JP2005307061 A JP 2005307061A JP 2005307061 A JP2005307061 A JP 2005307061A JP 4592560 B2 JP4592560 B2 JP 4592560B2
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- Prior art keywords
- layer
- lnalgan
- light emitting
- emitting device
- nitride semiconductor
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- 150000004767 nitrides Chemical class 0.000 title claims description 49
- 239000004065 semiconductor Substances 0.000 title claims description 49
- 230000007480 spreading Effects 0.000 claims description 48
- 238000003892 spreading Methods 0.000 claims description 48
- 238000009792 diffusion process Methods 0.000 claims description 34
- 238000005253 cladding Methods 0.000 claims description 28
- 239000002019 doping agent Substances 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 229910002704 AlGaN Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000002800 charge carrier Substances 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- -1 and among these Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/80—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes
- F41B11/89—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes for toys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/14—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/50—Magazines for compressed-gas guns; Arrangements for feeding or loading projectiles from magazines
- F41B11/57—Electronic or electric systems for feeding or loading
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/60—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas
- F41B11/68—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas the gas being pre-compressed before firing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/04—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Led Devices (AREA)
Description
102 アンドープGaN層
103 n側コンタクト層
120 電流拡散層
140 活性層
150 p型クラッド層
160 p側コンタクト層
30 n側領域
40 p側領域
100 窒化物半導体発光素子
Claims (22)
- 基板上に形成されたn側コンタクト層と、
上記n側コンタクト層上に形成された電流拡散層と、
上記電流拡散層上に形成された活性層と、
上記活性層上に形成されたp型クラッド層とを含み、
上記電流拡散層は、上記n側コンタクト層の電子濃度より高い電子濃度を有する第1lnAlGaN層と上記n側コンタクト層の電子濃度より低い電子濃度を有する第2lnAlGaN層とが交互に積層され、
上記電流拡散層はn型ドーパントと共にInが添加され、上記第1及び第2lnAlGaN層はInが必須成分であり、
上記電流拡散層は上記第1lnAlGaN層と上記第2lnAlGaN層との間の電子濃度が次第に変更されるよう尖ったピーク形態のスパイク部を有し、
上記n側コンタクト層の電子濃度は1×10 18 ないし5×10 18 cm −3 で、
上記第1lnAlGaN層の電子濃度は1×10 20 cm −3 以下で、上記第2lnAlGaN層の電子濃度は1×10 16 cm −3 以上であることを特徴とする窒化物半導体発光素子。 - 上記n側コンタクト層の電子濃度は3×1018ないし5×1018cm−3である請求項1に記載の窒化物半導体発光素子。
- 上記電流拡散層は、上記第1lnAlGaN層と上記第2lnAlGaN層を各々一つ以上含み、全体として3層以上のlnAlGaN層を含む請求項1に記載の窒化物半導体発光素子。
- 上記電流拡散層は、上記第1lnAlGaN層と上記第2lnAlGaN層を各々2層以上含み、全体として4層以上のlnAlGaN層を含む請求項3に記載の窒化物半導体発光素子。
- 上記電流拡散層と上記活性層との間にn型lnAlGaNクラッド層をさらに含む請求項1に記載の窒化物半導体発光素子。
- 上記n型lnAlGaNクラッド層の電子濃度は、上記第1lnAlGaN層の電子濃度より低く、上記第2lnAlGaN層の電子濃度よりは高い請求項5に記載の窒化物半導体発光素子。
- 上記n型lnAlGaNクラッド層の電子濃度は、上記n側コンタクト層の電子濃度と同じか上記n側コンタクト層の電子濃度より低い請求項5に記載の窒化物半導体発光素子。
- 上記n型AlGaNクラッド層の電子濃度は5×1017ないし1×1018cm−3である請求項5に記載の窒化物半導体発光素子。
- 上記電流拡散層の最下層は上記第1lnAlGaN層である請求項1に記載の窒化物半導体発光素子。
- 上記電流拡散層の最上層は上記第2lnAlGaN層である請求項9に記載の窒化物半導体発光素子。
- 上記電流拡散層の最上層は上記第1lnAlGaN層である請求項9に記載の窒化物半導体発光素子。
- 上記電流拡散層の最下層は上記第2lnAlGaN層である請求項1に記載の窒化物半導体発光素子。
- 上記電流拡散層の最上層は上記第1lnAlGaN層である請求項12に記載の窒化物半導体発光素子。
- 上記電流拡散層の最上層は、上記第2lnAlGaN層である請求項12に記載の窒化物半導体発光素子。
- 上記第1lnAlGaN層と上記第2lnAlGaN層中少なくとも一方は臨界弾性厚さ以下の厚さを有する請求項1に記載の窒化物半導体発光素子。
- 上記第1lnAlGaN層と上記第2lnAlGaN層中少なくとも一方は100Å以下の厚さを有する請求項1に記載の窒化物半導体発光素子。
- 上記第1lnAlGaN層と上記第2lnAlGaN層中少なくとも一方は60Å以下の厚さを有する請求項1に記載の窒化物半導体発光素子。
- 上記電流拡散層は超格子構造の多層薄膜を成す請求項1に記載の窒化物半導体発光素子。
- 上記n側コンタクト層と電流拡散層には、Siドーパントが添加される請求項1に記載の窒化物半導体発光素子。
- 上記n側コンタクト層と電流拡散層には、Siドーパントと共にInが添加される請求項19に記載の窒化物半導体発光素子。
- 上記p型クラッド層には、Mgドーパントが添加される請求項1に記載の窒化物半導体発光素子。
- 上記p型クラッド層には、Mgドーパントと共にInが添加される請求項21に記載の窒化物半導体発光素子。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050016524A KR100631971B1 (ko) | 2005-02-28 | 2005-02-28 | 질화물 반도체 발광 소자 |
Publications (2)
Publication Number | Publication Date |
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JP2006245532A JP2006245532A (ja) | 2006-09-14 |
JP4592560B2 true JP4592560B2 (ja) | 2010-12-01 |
Family
ID=36931267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2005307061A Expired - Fee Related JP4592560B2 (ja) | 2005-02-28 | 2005-10-21 | 窒化物半導体発光素子 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060192207A1 (ja) |
JP (1) | JP4592560B2 (ja) |
KR (1) | KR100631971B1 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5068020B2 (ja) * | 2006-02-20 | 2012-11-07 | シャープ株式会社 | 窒化物半導体発光素子の製造方法 |
WO2008069422A1 (en) * | 2006-12-04 | 2008-06-12 | Electronics And Telecommunications Research Institute | Nitride semiconductor-based light emitting devices |
KR100868530B1 (ko) | 2006-12-04 | 2008-11-13 | 한국전자통신연구원 | 질화물 반도체 발광 소자 |
KR100869962B1 (ko) * | 2006-12-07 | 2008-11-24 | 한국전자통신연구원 | 전류 확산층을 포함하는 발광소자의 제조방법 |
KR101283261B1 (ko) * | 2007-05-21 | 2013-07-11 | 엘지이노텍 주식회사 | 발광 소자 및 그 제조방법 |
KR101438806B1 (ko) | 2007-08-28 | 2014-09-12 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
KR100903103B1 (ko) | 2007-12-05 | 2009-06-16 | 우리엘에스티 주식회사 | 화합물 반도체를 이용한 발광소자 |
KR101007086B1 (ko) | 2008-09-02 | 2011-01-10 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
DE102009060747A1 (de) | 2009-12-30 | 2011-07-07 | OSRAM Opto Semiconductors GmbH, 93055 | Halbleiterchip |
WO2011083940A2 (ko) | 2010-01-05 | 2011-07-14 | 서울옵토디바이스주식회사 | 발광 다이오드 및 그것을 제조하는 방법 |
US8587022B2 (en) | 2010-01-06 | 2013-11-19 | Panasonic Corporation | Nitride semiconductor light-emitting element and process for production thereof |
US8860077B2 (en) * | 2010-02-12 | 2014-10-14 | Lg Innotek Co., Ltd. | Light emitting device and light emitting device package including the same |
TW201240146A (en) * | 2011-03-16 | 2012-10-01 | Hon Hai Prec Ind Co Ltd | Light-emitting semiconductor chip |
US8785904B2 (en) * | 2011-04-20 | 2014-07-22 | Invenlux Corporation | Light-emitting device with low forward voltage and method for fabricating the same |
KR20130042784A (ko) * | 2011-10-19 | 2013-04-29 | 삼성전자주식회사 | 질화물 반도체 발광소자 |
KR101961798B1 (ko) * | 2011-12-27 | 2019-03-25 | 엘지이노텍 주식회사 | 발광 소자 |
CN102903615B (zh) * | 2012-10-18 | 2018-02-06 | 中山大学 | 一种p型GaN与AlGaN半导体材料的制备方法 |
KR102013363B1 (ko) * | 2012-11-09 | 2019-08-22 | 서울바이오시스 주식회사 | 발광 소자 및 그것을 제조하는 방법 |
US9818907B2 (en) * | 2013-01-23 | 2017-11-14 | Ushio Denki Kabushiki Kaisha | LED element |
WO2014115800A1 (ja) * | 2013-01-23 | 2014-07-31 | ウシオ電機株式会社 | Led素子 |
JP5861947B2 (ja) * | 2014-02-05 | 2016-02-16 | ウシオ電機株式会社 | 半導体発光素子及びその製造方法 |
EP3131129B1 (en) | 2014-04-07 | 2020-07-15 | LG Innotek Co., Ltd. | Light-emitting element |
KR102432226B1 (ko) * | 2017-12-01 | 2022-08-12 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 반도체 소자 |
Citations (1)
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JP2003289176A (ja) * | 2002-01-24 | 2003-10-10 | Sony Corp | 半導体発光素子およびその製造方法 |
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ATE550461T1 (de) * | 1997-04-11 | 2012-04-15 | Nichia Corp | Wachstumsmethode für einen nitrid-halbleiter |
JPH11195840A (ja) * | 1998-01-06 | 1999-07-21 | Nichia Chem Ind Ltd | 窒化物半導体発光素子 |
AU2746899A (en) * | 1998-03-12 | 1999-09-27 | Nichia Chemical Industries, Ltd. | Nitride semiconductor device |
JP2001085737A (ja) * | 1999-09-10 | 2001-03-30 | Sharp Corp | 窒化物半導体発光素子 |
TW492202B (en) * | 2001-06-05 | 2002-06-21 | South Epitaxy Corp | Structure of III-V light emitting diode (LED) arranged in flip chip configuration having structure for preventing electrostatic discharge |
US7919791B2 (en) * | 2002-03-25 | 2011-04-05 | Cree, Inc. | Doped group III-V nitride materials, and microelectronic devices and device precursor structures comprising same |
JP2004200723A (ja) | 2004-03-18 | 2004-07-15 | Sumitomo Chem Co Ltd | 3−5族化合物半導体の結晶性向上方法 |
-
2005
- 2005-02-28 KR KR1020050016524A patent/KR100631971B1/ko not_active IP Right Cessation
- 2005-10-12 US US11/247,152 patent/US20060192207A1/en not_active Abandoned
- 2005-10-21 JP JP2005307061A patent/JP4592560B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003289176A (ja) * | 2002-01-24 | 2003-10-10 | Sony Corp | 半導体発光素子およびその製造方法 |
Also Published As
Publication number | Publication date |
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US20060192207A1 (en) | 2006-08-31 |
JP2006245532A (ja) | 2006-09-14 |
KR100631971B1 (ko) | 2006-10-11 |
KR20060095689A (ko) | 2006-09-01 |
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