JP2006245532A - 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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- JP2006245532A JP2006245532A JP2005307061A JP2005307061A JP2006245532A JP 2006245532 A JP2006245532 A JP 2006245532A JP 2005307061 A JP2005307061 A JP 2005307061A JP 2005307061 A JP2005307061 A JP 2005307061A JP 2006245532 A JP2006245532 A JP 2006245532A
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- inalgan
- emitting device
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- nitride semiconductor
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- 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
- H10H20/816—Bodies having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures
-
- 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
-
- 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
- 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
- H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Devices (AREA)
Abstract
【解決手段】本発明による窒化物発光素子は、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む。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1InAlGaN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2InAlGaN層とが交互に積層され形成される。
【選択図】図2
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 (26)
- 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1InAlGaN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2InAlGaN層とが交互に積層され形成された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1×1018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。
- 上記第1InAlGaN層の電子濃度は1×1020cm‐3以下で、上記第2InAlGaN層の電子濃度は1×1016cm‐3以上である請求項2に記載の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2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1InAlGaN層と上記第2InAlGaN層を各々一つ以上含み、全体として3層以上のInAlGaN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1InAlGaN層と上記第2InAlGaN層を各々2層以上含み、全体として4層以上のInAlGaN層を含む請求項5に記載の窒化物半導体発光素子。
- 上記電流拡散層と上記活性層との間にn型InAlGaN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InAlGaNクラッド層の電子濃度は、上記第1InAlGaN層の電子濃度より低く、上記第2InAlGaN層の電子濃度よりは高い請求項7に記載の窒化物半導体発光素子。
- 上記n型InAlGaN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7に記載の窒化物半導体発光素子。
- 上記n型InAlGaN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7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1InAlGaN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2InAlGaN層である請求項11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1InAlGaN層である請求項11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2InAlGaN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1InAlGaN層である請求項14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2InAlGaN層である請求項14に記載の窒化物半導体発光素子。
- 上記電流拡散層は階段型の電子濃度プロファイルを有する請求項1に記載の窒化物半導体発光素子。
- 上記電流拡散層はデルタドーピングによって尖ったピーク形態のスパイク部を有する電子濃度プロファイルを有する請求項1に記載の窒化物半導体発光素子。
- 上記第1InAlGaN層と上記第2InAlGaN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1InAlGaN層と上記第2InAlGaN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1InAlGaN層と上記第2InAlGaN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23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25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 |
|---|---|
| JP2006245532A true JP2006245532A (ja) | 2006-09-14 |
| JP4592560B2 JP4592560B2 (ja) | 2010-12-01 |
Family
ID=36931267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007221056A (ja) * | 2006-02-20 | 2007-08-30 | Sharp Corp | 窒化物半導体発光素子およびその製造方法 |
| KR101007086B1 (ko) | 2008-09-02 | 2011-01-10 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
| KR20140060149A (ko) * | 2012-11-09 | 2014-05-19 | 서울바이오시스 주식회사 | 발광 소자 및 그것을 제조하는 방법 |
| WO2014115800A1 (ja) * | 2013-01-23 | 2014-07-31 | ウシオ電機株式会社 | Led素子 |
| US8860077B2 (en) | 2010-02-12 | 2014-10-14 | Lg Innotek Co., Ltd. | Light emitting device and light emitting device package including the same |
| US9818907B2 (en) | 2013-01-23 | 2017-11-14 | Ushio Denki Kabushiki Kaisha | LED element |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE102009060747B4 (de) * | 2009-12-30 | 2025-01-09 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Halbleiterchip |
| WO2011083940A2 (ko) | 2010-01-05 | 2011-07-14 | 서울옵토디바이스주식회사 | 발광 다이오드 및 그것을 제조하는 방법 |
| JP4833383B2 (ja) | 2010-01-06 | 2011-12-07 | パナソニック株式会社 | 窒化物系半導体発光素子およびその製造方法 |
| 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 |
| 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 |
| WO2015156588A1 (ko) * | 2014-04-07 | 2015-10-15 | 엘지이노텍 주식회사 | 발광소자 및 조명시스템 |
| KR102432226B1 (ko) * | 2017-12-01 | 2022-08-12 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 반도체 소자 |
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| JPH11195840A (ja) * | 1998-01-06 | 1999-07-21 | Nichia Chem Ind Ltd | 窒化物半導体発光素子 |
| 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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| 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 |
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2005
- 2005-02-28 KR KR1020050016524A patent/KR100631971B1/ko not_active Expired - Fee Related
- 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11195840A (ja) * | 1998-01-06 | 1999-07-21 | Nichia Chem Ind Ltd | 窒化物半導体発光素子 |
| 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 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007221056A (ja) * | 2006-02-20 | 2007-08-30 | Sharp Corp | 窒化物半導体発光素子およびその製造方法 |
| KR101007086B1 (ko) | 2008-09-02 | 2011-01-10 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
| US8860077B2 (en) | 2010-02-12 | 2014-10-14 | Lg Innotek Co., Ltd. | Light emitting device and light emitting device package including the same |
| KR20140060149A (ko) * | 2012-11-09 | 2014-05-19 | 서울바이오시스 주식회사 | 발광 소자 및 그것을 제조하는 방법 |
| JP2014096592A (ja) * | 2012-11-09 | 2014-05-22 | Seoul Viosys Co Ltd | 発光素子及びそれを製造する方法 |
| KR102013363B1 (ko) * | 2012-11-09 | 2019-08-22 | 서울바이오시스 주식회사 | 발광 소자 및 그것을 제조하는 방법 |
| WO2014115800A1 (ja) * | 2013-01-23 | 2014-07-31 | ウシオ電機株式会社 | Led素子 |
| US9818907B2 (en) | 2013-01-23 | 2017-11-14 | Ushio Denki Kabushiki Kaisha | LED element |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060192207A1 (en) | 2006-08-31 |
| JP4592560B2 (ja) | 2010-12-01 |
| KR20060095689A (ko) | 2006-09-01 |
| KR100631971B1 (ko) | 2006-10-11 |
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