JP4091048B2 - 窒化ガリウム系半導体発光素子及びその製造方法 - Google Patents
窒化ガリウム系半導体発光素子及びその製造方法 Download PDFInfo
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- JP4091048B2 JP4091048B2 JP2005014511A JP2005014511A JP4091048B2 JP 4091048 B2 JP4091048 B2 JP 4091048B2 JP 2005014511 A JP2005014511 A JP 2005014511A JP 2005014511 A JP2005014511 A JP 2005014511A JP 4091048 B2 JP4091048 B2 JP 4091048B2
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- gallium nitride
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- 229910002601 GaN Inorganic materials 0.000 title claims description 106
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 title claims description 104
- 239000004065 semiconductor Substances 0.000 title claims description 88
- 238000000034 method Methods 0.000 title claims description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 238000005253 cladding Methods 0.000 claims description 52
- 239000000758 substrate Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 229910002704 AlGaN Inorganic materials 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 229910052741 iridium Inorganic materials 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 5
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 204
- 238000002834 transmittance Methods 0.000 description 32
- 230000003287 optical effect Effects 0.000 description 18
- 239000010409 thin film Substances 0.000 description 17
- 239000010408 film Substances 0.000 description 14
- 229910052594 sapphire Inorganic materials 0.000 description 13
- 239000010980 sapphire Substances 0.000 description 13
- 229910052725 zinc Inorganic materials 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 6
- 150000004767 nitrides Chemical class 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- -1 gallium nitride compound Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28575—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising AIIIBV compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
- H01L29/452—Ohmic electrodes on AIII-BV compounds
-
- 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
- H01L33/36—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 electrodes
- H01L33/40—Materials therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/1015—Shape
- H01L2924/10155—Shape being other than a cuboid
-
- 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
-
- 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
- H01L33/36—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 electrodes
- H01L33/40—Materials therefor
- H01L33/42—Transparent materials
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Led Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Description
22 下部クラッド層
23 活性層
24 上部クラッド層
25 オーミック形成層
26 透明電極層
27 第1電極
28 第2電極
29 反射層
Claims (11)
- 窒化ガリウム系半導体物質を成長させるための基板と、
上記基板上に形成され第1導電性の窒化ガリウム系半導体物質から成る下部クラッド層と、
上記下部クラッド層の一部領域に形成され、アンドープされた窒化ガリウム系半導体物質から成る活性層と、
上記活性層上に形成され第2導電性の窒化ガリウム系半導体物質から成る上部クラッド層と、
上記上部クラッド層上に形成され、Cuを含むIn2O3から成るオーミック形成層と、
上記オーミック形成層の上部に形成され、ITO、ZnO、MgO中少なくとも一種から成る透明電極層と、
夫々上記下部クラッド層と透明電極層上に形成される第1、2電極と、
を含む窒化ガリウム系半導体発光素子。 - 上記上部クラッド層は、上記活性層の上部に順次に形成されるp型GaN層とp型AlGaN層を含んで成る請求項1に記載の窒化ガリウム系半導体発光素子。
- 上記オーミック形成層と透明電極層の間に形成され、Ag、Pt、Au、Co及びIr で成る群から選ばれた一種の金属から成る一層以上の金属層をさらに含むことを特徴とする請求項1に記載の窒化ガリウム系半導体発光素子。
- 上記オーミック形成層は約100Å以下の厚さを有するものを特徴とする請求項1に記載の窒化ガリウム系半導体発光素子。
- 上記透明電極層は数千Å以下の厚さを有するものを特徴とする請求項1に記載の窒化ガリウム系半導体発光素子。
- 窒化ガリウム系半導体物質を成長させるための基板を設ける段階と、
上記基板上に第1 導電型窒化ガリウム系半導体物質で下部クラッド層を形成する段階と、
上記下部導電型クラッド層上にアンドープされた窒化ガリウム系半導体物質で活性層を形成する段階と、
上記活性層上に第2導電型窒化ガリウム系半導体物質で上部クラッド層を形成する段階と、
上記少なくとも上部クラッド層と活性層の一部領域を除去して上記下部クラッド層の一部を露出させる段階と、
上記上部クラッド層上面にCuを含むIn2O3から成るオーミック形成層を形成する段階と、
上記オーミック形成層の上部にITO、ZnO、MgO中少なくとも一種から成る透明電極層を形成する段階と、
を含む窒化ガリウム系半導体発光素子の製造方法。 - 上記オーミック形成層を形成する段階は、上記上部クラッド層上に100Å以下の厚さで合金層を形成する段階であることを特徴とする請求項6に記載の窒化ガリウム系半導体発光素子の製造方法。
- 上記オーミック形成層を形成する段階は、Cuを含むIn2O3を所定の厚さで蒸着した後に熱処理する段階であることを特徴とする請求項6に記載の窒化ガリウム系半導体発光素子の製造方法。
- 上記オーミック形成層を形成する段階は、蒸着されたCuを含むIn2O3を約200℃以上で10秒以上熱処理することを特徴とする請求項8に記載の窒化ガリウム系半導体発光素子の製造方法。
- 上記透明電極層を形成する段階は、ITO(Indium Tin Oxide)、ZnO、MgO中一種を上記オーミック形成層の上部に蒸着し、蒸着されたITO(Indium Tin Oxide)、ZnO、MgOを200℃以上で10秒以上熱処理する段階であることを特徴とする請求項6に記載の窒化ガリウム系半導体発光素子の製造方法。
- 上記オーミック形成層の上部にAg、Pt、Au、Co及びIr で成る群から選ばれた一種の金属から成る金属層を一層以上形成する段階をさらに含むことを特徴とする請求項6に記載の窒化ガリウム系半導体発光素子の製造方法。
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KR1020040062686A KR100568308B1 (ko) | 2004-08-10 | 2004-08-10 | 질화 갈륨계 반도체 발광소자 및 그 제조 방법 |
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JP2007337879A Division JP5251121B2 (ja) | 2004-08-10 | 2007-12-27 | 窒化ガリウム系半導体発光素子及びその製造方法 |
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JP2006054417A JP2006054417A (ja) | 2006-02-23 |
JP4091048B2 true JP4091048B2 (ja) | 2008-05-28 |
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JP2007337879A Expired - Fee Related JP5251121B2 (ja) | 2004-08-10 | 2007-12-27 | 窒化ガリウム系半導体発光素子及びその製造方法 |
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Country Status (3)
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US (3) | US20060033116A1 (ja) |
JP (2) | JP4091048B2 (ja) |
KR (1) | KR100568308B1 (ja) |
Families Citing this family (20)
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TWI292630B (en) * | 2004-10-22 | 2008-01-11 | Univ Nat Taiwan | Light emitting device covered with reflective structure and method of making the same |
KR100676286B1 (ko) * | 2006-02-16 | 2007-01-30 | 서울옵토디바이스주식회사 | ZnO층을 갖는 수직형 발광다이오드 및 그 제조방법 |
TWI306316B (en) * | 2006-07-28 | 2009-02-11 | Huga Optotech Inc | Semiconductor light emitting device and method of fabricating the same |
KR100809236B1 (ko) * | 2006-08-30 | 2008-03-05 | 삼성전기주식회사 | 편광 발광 다이오드 |
KR100862366B1 (ko) * | 2007-05-11 | 2008-10-13 | (주)더리즈 | 발광 다이오드 소자의 제조 방법 |
KR100946102B1 (ko) * | 2008-03-31 | 2010-03-10 | 삼성전기주식회사 | 질화물 반도체 발광소자 |
KR101449035B1 (ko) * | 2008-04-30 | 2014-10-08 | 엘지이노텍 주식회사 | 반도체 발광소자 |
JP2010003804A (ja) * | 2008-06-19 | 2010-01-07 | Sharp Corp | 窒化物半導体発光ダイオード素子およびその製造方法 |
KR101483230B1 (ko) * | 2008-11-18 | 2015-01-16 | 삼성전자주식회사 | 질화물 반도체 발광 소자 |
DE112011103819T5 (de) * | 2010-11-18 | 2013-08-22 | Seoul Opto Device Co., Ltd. | Lichtemittierender Diodenchip mit Elektrodenfeld |
US9166116B2 (en) | 2012-05-29 | 2015-10-20 | Formosa Epitaxy Incorporation | Light emitting device |
JP6055316B2 (ja) * | 2013-01-15 | 2016-12-27 | 日本放送協会 | 発光素子 |
JP2014204000A (ja) * | 2013-04-05 | 2014-10-27 | 株式会社アルバック | 半導体装置 |
CN105612622B (zh) | 2013-09-27 | 2019-02-22 | 英特尔公司 | 在硅鳍状物上形成led结构 |
KR101771461B1 (ko) * | 2015-04-24 | 2017-08-25 | 엘지전자 주식회사 | 반도체 발광 소자를 이용한 디스플레이 장치 및 이의 제조방법 |
KR102641716B1 (ko) * | 2015-08-03 | 2024-02-29 | 루미리즈 홀딩 비.브이. | 반사성 측면 코팅을 가지는 반도체 발광 디바이스 |
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KR102621592B1 (ko) | 2018-08-23 | 2024-01-08 | 삼성디스플레이 주식회사 | 디스플레이 장치 및 이의 제조 방법 |
CN109216523A (zh) * | 2018-08-30 | 2019-01-15 | 武汉华星光电技术有限公司 | 发光单元及其制造方法 |
CN112768582B (zh) * | 2021-02-26 | 2022-03-25 | 南京大学 | 包含高反射n-GaN欧姆接触的倒装LED芯片及其制作方法 |
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US20050167681A1 (en) * | 2004-02-04 | 2005-08-04 | Samsung Electronics Co., Ltd. | Electrode layer, light emitting device including the same, and method of forming the electrode layer |
-
2004
- 2004-08-10 KR KR1020040062686A patent/KR100568308B1/ko not_active IP Right Cessation
-
2005
- 2005-01-21 JP JP2005014511A patent/JP4091048B2/ja not_active Expired - Fee Related
- 2005-02-04 US US11/049,876 patent/US20060033116A1/en not_active Abandoned
-
2007
- 2007-12-27 JP JP2007337879A patent/JP5251121B2/ja not_active Expired - Fee Related
-
2008
- 2008-07-01 US US12/166,113 patent/US20080286894A1/en not_active Abandoned
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2011
- 2011-06-21 US US13/165,203 patent/US20110248240A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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US20110248240A1 (en) | 2011-10-13 |
JP5251121B2 (ja) | 2013-07-31 |
KR100568308B1 (ko) | 2006-04-05 |
JP2006054417A (ja) | 2006-02-23 |
JP2008153676A (ja) | 2008-07-03 |
KR20060014106A (ko) | 2006-02-15 |
US20080286894A1 (en) | 2008-11-20 |
US20060033116A1 (en) | 2006-02-16 |
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