KR100882112B1 - 반도체 발광소자 및 그의 제조방법 - Google Patents
반도체 발광소자 및 그의 제조방법 Download PDFInfo
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- KR100882112B1 KR100882112B1 KR1020070098105A KR20070098105A KR100882112B1 KR 100882112 B1 KR100882112 B1 KR 100882112B1 KR 1020070098105 A KR1020070098105 A KR 1020070098105A KR 20070098105 A KR20070098105 A KR 20070098105A KR 100882112 B1 KR100882112 B1 KR 100882112B1
- Authority
- KR
- South Korea
- Prior art keywords
- type
- semiconductor layer
- gan
- substrate
- light emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 178
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 103
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 52
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 27
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 6
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 102
- 239000000758 substrate Substances 0.000 claims description 39
- DOARWPHSJVUWFT-UHFFFAOYSA-N lanthanum nickel Chemical compound [Ni].[La] DOARWPHSJVUWFT-UHFFFAOYSA-N 0.000 claims description 18
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- 229910052594 sapphire Inorganic materials 0.000 claims description 3
- 239000010980 sapphire Substances 0.000 claims description 3
- 229910002601 GaN Inorganic materials 0.000 description 64
- 230000015572 biosynthetic process Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- H10H20/83—Electrodes
- H10H20/832—Electrodes characterised by their material
-
- 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
- H10H20/822—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
Landscapes
- Led Devices (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (12)
- n형 GaN 반도체층;상기 n형 GaN 반도체층의 갈륨표면에 형성된 활성층;상기 활성층 상에 형성된 p형 반도체층; 및상기 n형 GaN 반도체층의 질소표면에 형성된, 란탄(La)-니켈(Ni) 합금을 포함하는 n형 전극;을 포함하는 반도체 발광소자.
- 제1항에 있어서,상기 n형 전극은, LaNi5를 포함하는 것을 특징으로 하는 반도체 발광소자.
- 기판 상에 n형 GaN 반도체층을 형성하는 단계;상기 n형 GaN 반도체층의 갈륨표면 상에 활성층을 형성하는 단계;상기 활성층 상에 p형 반도체층을 형성하는 단계;상기 기판을 제거하는 단계; 및상기 n형 GaN 반도체층의 질소표면 상에, 란탄-니켈 합금을 포함하는 n형 전극을 형성하는 단계;를 포함하는 반도체 발광소자 제조방법.
- 제3항에 있어서,상기 n형 전극은, LaNi5를 포함하는 것을 특징으로 하는 반도체 발광소자 제조방법.
- 제3항에 있어서,상기 기판은, 사파이어 기판인 것을 특징으로 하는 반도체 발광소자 제조방법.
- 제3항에 있어서,상기 n형 전극 형성 전에, 상기 n형 GaN 반도체층의 질소표면을 레이저 처리하는 단계;를 더 포함하는 것을 특징으로 하는 반도체 발광소자 제조방법.
- GaN 기판;상기 GaN 기판의 갈륨표면에 형성된 n형 반도체층;상기 n형 반도체층 상에 형성된 활성층;상기 활성층 상에 형성된 p형 반도체층; 및상기 GaN 기판의 질소표면에 형성된, 란탄-니켈 합금을 포함하는 n형 전극;을 포함하는 반도체 발광소자.
- 제7항에 있어서,상기 GaN 기판은, 성장기판 또는 지지기판인 것을 특징으로 하는 반도체 발광소자.
- 제7항에 있어서,상기 n형 전극은, LaNi5를 포함하는 것을 특징으로 하는 반도체 발광소자.
- GaN 기판의 갈륨표면 상에 n형 반도체층을 형성하는 단계;상기 n형 반도체층 상에 활성층을 형성하는 단계;상기 활성층 상에 p형 반도체층을 형성하는 단계; 및상기 GaN 기판의 질소표면 상에, 란탄-니켈 합금을 포함하는 n형 전극을 형성하는 단계;를 포함하는 반도체 발광소자 제조방법.
- 제10항에 있어서,상기 n형 전극은, LaNi5를 포함하는 것을 특징으로 하는 반도체 발광소자 제조방법.
- 제10항에 있어서,상기 n형 전극 형성 전에, 상기 GaN 기판의 질소표면을 레이저 처리하는 것을 특징으로 하는 반도체 발광소자 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070098105A KR100882112B1 (ko) | 2007-09-28 | 2007-09-28 | 반도체 발광소자 및 그의 제조방법 |
JP2008229635A JP5165508B2 (ja) | 2007-09-28 | 2008-09-08 | 半導体発光素子及びその製造方法 |
US12/210,472 US7968893B2 (en) | 2007-09-28 | 2008-09-15 | Semiconductor light emitting device and method of manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070098105A KR100882112B1 (ko) | 2007-09-28 | 2007-09-28 | 반도체 발광소자 및 그의 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100882112B1 true KR100882112B1 (ko) | 2009-02-06 |
Family
ID=40507148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070098105A Expired - Fee Related KR100882112B1 (ko) | 2007-09-28 | 2007-09-28 | 반도체 발광소자 및 그의 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7968893B2 (ko) |
JP (1) | JP5165508B2 (ko) |
KR (1) | KR100882112B1 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007081719A2 (en) | 2006-01-05 | 2007-07-19 | Illumitex, Inc. | Separate optical device for directing light from an led |
US20090275157A1 (en) * | 2006-10-02 | 2009-11-05 | Illumitex, Inc. | Optical device shaping |
KR20090064474A (ko) | 2006-10-02 | 2009-06-18 | 일루미텍스, 인크. | Led 시스템 및 방법 |
WO2009100358A1 (en) | 2008-02-08 | 2009-08-13 | Illumitex, Inc. | System and method for emitter layer shaping |
KR100982993B1 (ko) * | 2008-10-14 | 2010-09-17 | 삼성엘이디 주식회사 | Ⅲ족 질화물 반도체의 표면 처리 방법, ⅲ족 질화물 반도체및 그의 제조 방법 및 ⅲ족 질화물 반도체 구조물 |
TW201034256A (en) | 2008-12-11 | 2010-09-16 | Illumitex Inc | Systems and methods for packaging light-emitting diode devices |
EP2418696A4 (en) * | 2009-04-09 | 2014-02-19 | Panasonic Corp | NITRIDE SEMICONDUCTOR LIGHT ELEMENT, LIGHTING DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, METHOD FOR PRODUCING A NITRIDE SEMICONDUCTOR LIGHT ELEMENT AND METHOD FOR PRODUCING A LIGHTING DEVICE |
US8585253B2 (en) | 2009-08-20 | 2013-11-19 | Illumitex, Inc. | System and method for color mixing lens array |
US8449128B2 (en) | 2009-08-20 | 2013-05-28 | Illumitex, Inc. | System and method for a lens and phosphor layer |
JP2011103400A (ja) * | 2009-11-11 | 2011-05-26 | Sumitomo Electric Ind Ltd | 化合物半導体素子 |
WO2011070770A1 (ja) * | 2009-12-09 | 2011-06-16 | パナソニック株式会社 | 窒化物系半導体発光素子、照明装置、液晶表示装置および照明装置の製造方法 |
Citations (3)
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US6555256B1 (en) | 1998-09-30 | 2003-04-29 | Ut-Battelle, Llc | Method of depositing an electrically conductive oxide film on a textured metallic substrate and articles formed therefrom |
KR100561840B1 (ko) | 2003-07-09 | 2006-03-16 | 삼성전자주식회사 | 전극층, 이를 구비하는 발광소자 및 전극층 제조방법 |
KR100631408B1 (ko) | 2005-04-08 | 2006-10-04 | 삼성전기주식회사 | p형 질화갈륨층과 투명전극박막 간의 오믹접촉 형성방법및 그를 위한 열처리장치 |
Family Cites Families (12)
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JPH06152072A (ja) * | 1992-11-16 | 1994-05-31 | Asahi Chem Ind Co Ltd | 半導体レーザ |
JPH10247747A (ja) * | 1997-03-05 | 1998-09-14 | Toshiba Corp | 半導体発光素子およびその製造方法 |
JP2000058919A (ja) * | 1998-08-13 | 2000-02-25 | Toshiba Corp | 半導体素子及びその製造方法 |
JP4148976B2 (ja) * | 2002-03-26 | 2008-09-10 | 三洋電機株式会社 | 窒化物系半導体素子の製造方法 |
JP4325232B2 (ja) * | 2003-03-18 | 2009-09-02 | 日亜化学工業株式会社 | 窒化物半導体素子 |
US7538361B2 (en) * | 2003-03-24 | 2009-05-26 | Showa Denko K.K. | Ohmic electrode structure, compound semiconductor light emitting device having the same, and LED lamp |
KR100736674B1 (ko) | 2003-07-16 | 2007-07-06 | 쇼와 덴코 가부시키가이샤 | n형 Ⅲ족 질화물 반도체용 n형 오믹전극, 이 전극을구비한 반도체 발광소자 및 n형 오믹전극의 형성방법 |
KR100506736B1 (ko) * | 2003-10-10 | 2005-08-08 | 삼성전기주식회사 | 질화갈륨계 반도체 발광 소자 및 그 제조방법 |
KR100631898B1 (ko) * | 2005-01-19 | 2006-10-11 | 삼성전기주식회사 | Esd보호 능력을 갖는 질화갈륨계 발광 소자 및 그 제조방법 |
KR100638732B1 (ko) * | 2005-04-15 | 2006-10-30 | 삼성전기주식회사 | 수직구조 질화물 반도체 발광소자의 제조방법 |
CN100375303C (zh) * | 2005-10-27 | 2008-03-12 | 晶能光电(江西)有限公司 | 含有金锗镍的欧姆电极、铟镓铝氮半导体发光元件及制造方法 |
US8021904B2 (en) * | 2007-02-01 | 2011-09-20 | Cree, Inc. | Ohmic contacts to nitrogen polarity GaN |
-
2007
- 2007-09-28 KR KR1020070098105A patent/KR100882112B1/ko not_active Expired - Fee Related
-
2008
- 2008-09-08 JP JP2008229635A patent/JP5165508B2/ja not_active Expired - Fee Related
- 2008-09-15 US US12/210,472 patent/US7968893B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6555256B1 (en) | 1998-09-30 | 2003-04-29 | Ut-Battelle, Llc | Method of depositing an electrically conductive oxide film on a textured metallic substrate and articles formed therefrom |
KR100561840B1 (ko) | 2003-07-09 | 2006-03-16 | 삼성전자주식회사 | 전극층, 이를 구비하는 발광소자 및 전극층 제조방법 |
KR100631408B1 (ko) | 2005-04-08 | 2006-10-04 | 삼성전기주식회사 | p형 질화갈륨층과 투명전극박막 간의 오믹접촉 형성방법및 그를 위한 열처리장치 |
Also Published As
Publication number | Publication date |
---|---|
US7968893B2 (en) | 2011-06-28 |
JP5165508B2 (ja) | 2013-03-21 |
JP2009088495A (ja) | 2009-04-23 |
US20090085043A1 (en) | 2009-04-02 |
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