JP4875455B2 - 窒化物半導体発光素子 - Google Patents
窒化物半導体発光素子 Download PDFInfo
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- JP4875455B2 JP4875455B2 JP2006286518A JP2006286518A JP4875455B2 JP 4875455 B2 JP4875455 B2 JP 4875455B2 JP 2006286518 A JP2006286518 A JP 2006286518A JP 2006286518 A JP2006286518 A JP 2006286518A JP 4875455 B2 JP4875455 B2 JP 4875455B2
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- nitride semiconductor
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- 239000004065 semiconductor Substances 0.000 title claims description 105
- 150000004767 nitrides Chemical class 0.000 title claims description 101
- 239000000203 mixture Substances 0.000 claims description 23
- 230000004888 barrier function Effects 0.000 claims description 20
- 229910052738 indium Inorganic materials 0.000 claims description 7
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 7
- 239000002800 charge carrier Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006798 recombination Effects 0.000 description 4
- 238000005215 recombination Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005036 potential barrier Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 2
- 230000005428 wave function Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- 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
- H01S5/34333—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- 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
- H01L33/06—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 within the light emitting region, e.g. quantum confinement structure or tunnel barrier
-
- 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)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Led Devices (AREA)
- Semiconductor Lasers (AREA)
Description
101 n型窒化物半導体層
103 活性層
104 p型窒化物半導体層
106 p型コンタクト層
110 p側電極
120 量子井戸層
122 量子障壁層
Claims (8)
- n型窒化物半導体層と、
前記n型窒化物半導体層上に形成され、3以上の量子井戸層と複数の量子障壁層を有する多重量子井戸構造の活性層と、
前記活性層上に形成されたp型窒化物半導体層とを含み、
前記n型窒化物半導体層に隣接した量子井戸層のエネルギーバンドギャップは、前記p型窒化物半導体層に隣接した量子井戸層のエネルギーバンドギャップより大きく、
前記3以上の量子井戸層は前記n型窒化物半導体層に近いものほど厚さが小さく、相互に隣接したもの同士は厚さが相違していることを特徴とする窒化物半導体発光素子。 - 前記n型窒化物半導体層に隣接した量子井戸層のIn組成は、前記p型窒化物半導体層に隣接した量子井戸層のIn組成より低い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。
- 前記活性層は、相互交代で積層された多数のInxGa1−xN(0≦x≦1)の量子井戸層とInyGa1−yN(0≦y<1、x>y)の量子障壁層を含む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。
- 前記量子井戸層はインジウムを含むInGaNで形成され、前記量子障壁層はインジウムを含まないGaNで形成され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。
- 前記量子井戸層のエネルギーバンドギャップは、前記n型窒化物半導体層に近いほど大きい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。
- 前記量子井戸層のIn組成は、前記n型窒化物半導体層に近いほど小さい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。
- 前記n型窒化物半導体層に隣接した量子井戸層の厚さは、前記p型窒化物半導体層に隣接した量子井戸層の厚さより小さい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。
- 前記量子井戸層の厚さは、10乃至100Å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。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050100782A KR100649749B1 (ko) | 2005-10-25 | 2005-10-25 | 질화물 반도체 발광 소자 |
KR10-2005-0100782 | 2005-10-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007123878A JP2007123878A (ja) | 2007-05-17 |
JP4875455B2 true JP4875455B2 (ja) | 2012-02-15 |
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JP2006286518A Active JP4875455B2 (ja) | 2005-10-25 | 2006-10-20 | 窒化物半導体発光素子 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7705364B2 (ja) |
JP (1) | JP4875455B2 (ja) |
KR (1) | KR100649749B1 (ja) |
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DE102007044439B4 (de) * | 2007-09-18 | 2022-03-24 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronischer Halbleiterchip mit Quantentopfstruktur |
JP2009252861A (ja) * | 2008-04-03 | 2009-10-29 | Rohm Co Ltd | 半導体レーザ素子 |
WO2009139239A1 (ja) * | 2008-05-14 | 2009-11-19 | 日本電気株式会社 | 窒化物半導体レーザ及びその製造方法 |
JP2009289983A (ja) * | 2008-05-29 | 2009-12-10 | Sharp Corp | 窒化物半導体発光ダイオード |
JP5196160B2 (ja) * | 2008-10-17 | 2013-05-15 | 日亜化学工業株式会社 | 半導体発光素子 |
KR101018088B1 (ko) * | 2008-11-07 | 2011-02-25 | 삼성엘이디 주식회사 | 질화물 반도체 소자 |
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JP2011054834A (ja) * | 2009-09-03 | 2011-03-17 | Sharp Corp | 窒化物半導体レーザ素子 |
KR100993085B1 (ko) | 2009-12-07 | 2010-11-08 | 엘지이노텍 주식회사 | 발광 소자, 발광 소자 패키지 및 라이트 유닛 |
JP4960465B2 (ja) | 2010-02-16 | 2012-06-27 | 株式会社東芝 | 半導体発光素子 |
KR101667821B1 (ko) * | 2010-07-09 | 2016-10-19 | 엘지이노텍 주식회사 | 발광소자 |
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JP5044704B2 (ja) | 2010-08-26 | 2012-10-10 | 株式会社東芝 | 半導体発光素子 |
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KR20120138080A (ko) * | 2011-06-14 | 2012-12-24 | 엘지이노텍 주식회사 | 발광 소자 |
KR101803573B1 (ko) | 2011-06-30 | 2017-12-28 | 엘지이노텍 주식회사 | 발광소자 |
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KR101377969B1 (ko) | 2012-07-12 | 2014-03-24 | 엘지전자 주식회사 | 자외선 발광 질화물계 반도체 발광 소자 |
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KR100649749B1 (ko) | 2006-11-27 |
US20070090339A1 (en) | 2007-04-26 |
US7705364B2 (en) | 2010-04-27 |
JP2007123878A (ja) | 2007-05-17 |
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