KR101181182B1 - 질화물 반도체 발광소자 및 그 제조방법 - Google Patents
질화물 반도체 발광소자 및 그 제조방법 Download PDFInfo
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- KR101181182B1 KR101181182B1 KR1020040092097A KR20040092097A KR101181182B1 KR 101181182 B1 KR101181182 B1 KR 101181182B1 KR 1020040092097 A KR1020040092097 A KR 1020040092097A KR 20040092097 A KR20040092097 A KR 20040092097A KR 101181182 B1 KR101181182 B1 KR 101181182B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 107
- 238000000034 method Methods 0.000 title claims abstract description 24
- 229910017464 nitrogen compound Inorganic materials 0.000 title 1
- 150000002830 nitrogen compounds Chemical class 0.000 title 1
- 150000004767 nitrides Chemical class 0.000 claims abstract description 99
- 230000004888 barrier function Effects 0.000 claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000001257 hydrogen Substances 0.000 claims abstract description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 21
- 239000013078 crystal Substances 0.000 abstract description 15
- 239000010409 thin film Substances 0.000 abstract description 8
- 230000001965 increasing effect Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 253
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 13
- 229910002601 GaN Inorganic materials 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 8
- 229910052738 indium Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 230000004807 localization Effects 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- -1 respectively Chemical compound 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 230000005428 wave function Effects 0.000 description 1
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- 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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- H01S5/00—Semiconductor lasers
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- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34333—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer based on Ga(In)N or Ga(In)P, e.g. blue laser
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- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
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- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34346—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser characterised by the materials of the barrier layers
- H01S5/34386—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser characterised by the materials of the barrier layers explicitly Al-free
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- H10H20/812—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions within the light-emitting regions, e.g. having quantum confinement structures
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Abstract
Description
Claims (14)
- 제1 질화물 반도체층과,상기 제1 질화물 반도체층 상에 수소분위기에서 성장시킨 장벽층을 포함하여 형성된 활성층과,상기 활성층 상에 형성된 제2 질화물 반도체층을 포함하고,상기 활성층은 상기 장벽층과, 상기 장벽층 상에 시드층과, 상기 시드층 상에 우물층을 포함하며,상기 우물층은 InxGa1-xN(0≤x≤1)으로 형성되고, 상기 장벽층은 InyGa1-yN(0≤y≤1)으로 형성되며,상기 시드층은 상기 우물층의 두께보다 얇게 형성되고, 상기 시드층은 20Å 이하의 두께로 형성되며,상기 우물층에서 In의 조성비는 15% 이상이고, 상기 시드층에서 In의 조성비는 10% 이상인 질화물 반도체 발광소자.
- 제 1항에 있어서,상기 활성층은 우물층과 장벽층으로된 단일 양자우물구조나 다수의 우물층과 장벽층이 교대로 다수층 형성되는 질화물 반도체 발광소자.
- 제 1항에 있어서,상기 시드층은 InN으로 형성되는 질화물 반도체 발광소자.
- 제 1항에 있어서,상기 활성층은 상기 우물층과 상기 장벽층과 상기 시드층이 교대로 다수층 형성되는 질화물 반도체 발광소자.
- 삭제
- 제1 질화물 반도체층을 형성시키는 단계와,상기 제1 질화물 반도체층 상에 수소 분위기에서 성장시킨 장벽층을 포함시킨 활성층을 형성시키는 단계와,상기 활성층 상에 제2 질화물 반도체층을 형성시키는 단계를 포함하고,상기 활성층은 상기 장벽층과, 상기 장벽층 상에 시드층과, 상기 시드층 상에 우물층을 포함하며,상기 우물층은 InxGa1-xN(0≤x≤1)으로 형성되고, 상기 장벽층은 InyGa1-yN(0≤y≤1)으로 형성되며, 상기 시드층은 InN으로 형성되며,상기 시드층은 상기 우물층의 두께보다 얇게 형성되고, 상기 시드층의 두께는 20Å이하로 형성되는 질화물 반도체 발광소자 제조방법.
- 제 6항에 있어서,상기 장벽층의 성장온도는 900~1040℃인 질화물 반도체 발광소자 제조방법.
- 제 6항에 있어서,상기 장벽층의 두께는 30 ~ 200 Å으로 성장시키는 질화물 반도체 발광소자 제조방법.
- 삭제
- 삭제
- 삭제
- 제 6항에 있어서,상기 시드층을 형성시킨후 상기 시드층을 열처리하는 과정이 더 구비되고, 상기 열처리를 완료한 후 상기 우물층을 형성하는 질화물 반도체 발광소자 제조방법.
- 삭제
- 제 6항에 있어서,상기 제1 질화물 반도체층을 형성시키는 단계는,기판을 준비하고 상기 기판상에 버퍼층을 형성하는 단계와, 상기 버퍼층 상에 제1 질화물 반도체층을 형성하는 단계를 포함하는 질화물 반도체 발광소자 제조방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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KR1020040092097A KR101181182B1 (ko) | 2004-11-11 | 2004-11-11 | 질화물 반도체 발광소자 및 그 제조방법 |
US10/592,573 US7728338B2 (en) | 2004-11-11 | 2005-11-04 | Nitride semiconductor light emitting device and fabricating method thereof |
EP05820555.0A EP1810352B1 (en) | 2004-11-11 | 2005-11-04 | Method of fabricating a nitride semiconductor light emitting device |
PCT/KR2005/003702 WO2006052068A1 (en) | 2004-11-11 | 2005-11-04 | Nitride semiconductor light emitting device and fabricating method thereof |
CNB2005800086124A CN100452456C (zh) | 2004-11-11 | 2005-11-04 | 氮化物半导体发光器件及其制造方法 |
US12/770,534 US8044386B2 (en) | 2004-11-11 | 2010-04-29 | Nitride semiconductor light emitting device and fabricating method thereof |
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KR1020040092097A KR101181182B1 (ko) | 2004-11-11 | 2004-11-11 | 질화물 반도체 발광소자 및 그 제조방법 |
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KR20060044241A KR20060044241A (ko) | 2006-05-16 |
KR101181182B1 true KR101181182B1 (ko) | 2012-09-18 |
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US (2) | US7728338B2 (ko) |
EP (1) | EP1810352B1 (ko) |
KR (1) | KR101181182B1 (ko) |
CN (1) | CN100452456C (ko) |
WO (1) | WO2006052068A1 (ko) |
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US7514721B2 (en) * | 2005-11-29 | 2009-04-07 | Koninklijke Philips Electronics N.V. | Luminescent ceramic element for a light emitting device |
US7977665B2 (en) | 2006-07-26 | 2011-07-12 | Lg Electronics Inc. & Lg Innotek Co., Ltd. | Nitride-based light emitting device |
KR100809215B1 (ko) * | 2006-11-21 | 2008-02-29 | 삼성전기주식회사 | 질화물 반도체 발광소자 |
KR100907510B1 (ko) * | 2007-06-22 | 2009-07-14 | 서울옵토디바이스주식회사 | 발광 다이오드 및 그 제조방법 |
KR100881053B1 (ko) * | 2007-09-20 | 2009-02-27 | 서울옵토디바이스주식회사 | 질화물계 발광소자 |
US9800017B1 (en) | 2009-05-29 | 2017-10-24 | Soraa Laser Diode, Inc. | Laser device and method for a vehicle |
US9250044B1 (en) * | 2009-05-29 | 2016-02-02 | Soraa Laser Diode, Inc. | Gallium and nitrogen containing laser diode dazzling devices and methods of use |
US9243329B2 (en) * | 2009-08-12 | 2016-01-26 | Georgia State University Research Foundation, Inc. | High pressure chemical vapor deposition apparatuses, methods, and compositions produced therewith |
WO2011084478A1 (en) * | 2009-12-15 | 2011-07-14 | Lehigh University | Nitride based devices including a symmetrical quantum well active layer having a central low bandgap delta-layer |
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- 2005-11-04 CN CNB2005800086124A patent/CN100452456C/zh not_active Expired - Fee Related
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US20080142779A1 (en) | 2008-06-19 |
CN100452456C (zh) | 2009-01-14 |
KR20060044241A (ko) | 2006-05-16 |
US20100207099A1 (en) | 2010-08-19 |
CN1934719A (zh) | 2007-03-21 |
EP1810352A1 (en) | 2007-07-25 |
US8044386B2 (en) | 2011-10-25 |
WO2006052068A1 (en) | 2006-05-18 |
EP1810352A4 (en) | 2010-12-08 |
US7728338B2 (en) | 2010-06-01 |
EP1810352B1 (en) | 2017-02-08 |
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