KR100482511B1 - Ⅲ-질화물계 반도체 발광소자 - Google Patents
Ⅲ-질화물계 반도체 발광소자 Download PDFInfo
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- KR100482511B1 KR100482511B1 KR1020040007541A KR20040007541A KR100482511B1 KR 100482511 B1 KR100482511 B1 KR 100482511B1 KR 1020040007541 A KR1020040007541 A KR 1020040007541A KR 20040007541 A KR20040007541 A KR 20040007541A KR 100482511 B1 KR100482511 B1 KR 100482511B1
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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
- H10H20/822—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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/0098—Word or number games
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/22—Games, e.g. card games
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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
- H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
- 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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/0023—Colour matching, recognition, analysis, mixture or the like
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- 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
- H01S5/3403—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 having a strained layer structure in which the strain performs a special function, e.g. general strain effects, strain versus polarisation
- H01S5/3406—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 having a strained layer structure in which the strain performs a special function, e.g. general strain effects, strain versus polarisation including strain compensation
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- 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
- H01S5/3407—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 characterised by special barrier layers
-
- 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
-
- 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
- H01S5/34346—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
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
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- General Physics & Mathematics (AREA)
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- Led Devices (AREA)
- Semiconductor Lasers (AREA)
- Luminescent Compositions (AREA)
Abstract
Description
Claims (4)
- n-InxAlyGazN(x+y+z=1, 0≤x<1, 0≤y<1, 0<z≤1)층과 p-InxAlyGazN(x+y+z=1, 0≤x<1, 0≤y<1, 0<z≤1)층 사이에 개재되는 다중양자우물 활성층을 포함하되,상기 활성층은, 샌드위치 장벽층과 InxGa1-xN (0.05<x<1)으로 이루어지는 양자우물층이 번갈아 적층되어 이루어지며,상기 샌드위치 장벽층은, InaGa1-aN(0<a≤0.05)으로 이루어지는 제1 외피장벽층과, 상기 제1 외피장벽층 상에 형성되는 AlyGa1-yN(0≤y<1)으로 이루어진 중앙장벽층과, 상기 중앙장벽층 상에 형성되는 InbGa1-bN(0<b≤0.05)으로 이루어지는 제2 외피장벽층을 포함하고,상기 중앙장벽층은 상기 제1 외피장벽층과 상기 제2 외피장벽층 보다 큰 밴드갭 에너지를 가지는 것을 특징으로 하는 Ⅲ-질화물계 반도체 발광소자.
- 제1항에 있어서, 상기 양자우물층의 두께는 60Å 이하이고, 상기 샌드위치 장벽층의 두께는 300Å 이하이며, 상기 중앙장벽층 두께 t2에 대한 상기 제1 외피장벽층과 상기 제2 외피장벽층의 두께합 t1의 비 즉, t1/t2 가 1/50 내지 1/2 인 것을 특징으로 하는 Ⅲ-질화물계 반도체 발광소자.
- 제1항에 있어서, 상기 n-InxAlyGazN층과 접촉하는 상기 활성층의 최하층은 상기 InxGa1-xN으로 이루어지는 첫 번째 양자우물층이고, 상기 p-InxAly GazN층과 접촉하는 상기 활성층의 최상층은 상기 InxGa1-xN으로 이루어지는 마지막번째 양자우물층인 것을 특징으로 하는 Ⅲ-질화물계 반도체 발광소자.
- 제1항에 있어서, 상기 n-InxAlyGazN층과 접촉하는 상기 활성층의 최하층과 상기 p-InxAlyGazN층과 접촉하는 상기 활성층의 최상층이 상기 샌드위치 장벽층의 중앙장벽층인 것을 특징으로 하는 Ⅲ-질화물계 반도체 발광소자.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040007541A KR100482511B1 (ko) | 2004-02-05 | 2004-02-05 | Ⅲ-질화물계 반도체 발광소자 |
DE602005020586T DE602005020586D1 (de) | 2004-02-05 | 2005-02-05 | Iii-nitridverbindungs-halbleiter-lichtemissionsbauelement |
EP05726372A EP1721341B1 (en) | 2004-02-05 | 2005-02-05 | Iii-nitride compound semiconductor light emitting device |
PCT/KR2005/000360 WO2005076374A1 (en) | 2004-02-05 | 2005-02-05 | Iii-nitride compound semiconductor light emitting device |
AT05726372T ATE464658T1 (de) | 2004-02-05 | 2005-02-05 | Iii-nitridverbindungs-halbleiter- lichtemissionsbauelement |
US10/597,607 US7547909B2 (en) | 2004-02-05 | 2005-03-05 | III-nitride compound semiconductor light emitting device |
Applications Claiming Priority (1)
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KR1020040007541A KR100482511B1 (ko) | 2004-02-05 | 2004-02-05 | Ⅲ-질화물계 반도체 발광소자 |
Publications (1)
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KR100482511B1 true KR100482511B1 (ko) | 2005-04-14 |
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KR1020040007541A Expired - Fee Related KR100482511B1 (ko) | 2004-02-05 | 2004-02-05 | Ⅲ-질화물계 반도체 발광소자 |
Country Status (6)
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US (1) | US7547909B2 (ko) |
EP (1) | EP1721341B1 (ko) |
KR (1) | KR100482511B1 (ko) |
AT (1) | ATE464658T1 (ko) |
DE (1) | DE602005020586D1 (ko) |
WO (1) | WO2005076374A1 (ko) |
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KR100723022B1 (ko) * | 2006-05-19 | 2007-05-30 | 경희대학교 산학협력단 | 양자 우물 구조를 갖는 나노 구조체 및 그 제조방법 |
KR101123011B1 (ko) * | 2008-12-10 | 2012-03-15 | 삼성엘이디 주식회사 | 질화물 반도체 소자 |
KR101163319B1 (ko) * | 2010-02-25 | 2012-07-05 | 가부시끼가이샤 도시바 | 반도체 발광 소자 및 그 제조 방법 |
US8274069B2 (en) | 2008-05-09 | 2012-09-25 | Samsung Electronics Co., Ltd. | Nitride semiconductor light emitting device |
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EP1668709B1 (en) * | 2003-10-02 | 2019-05-01 | Toyoda Gosei Co., Ltd. | Methods for producing a nitride semiconductor product, a light-emitting device, a light-emitting diode, a laser device and a lamp using the nitride semiconductor product |
WO2005050748A1 (ja) * | 2003-11-19 | 2005-06-02 | Nichia Corporation | 半導体素子及びその製造方法 |
-
2004
- 2004-02-05 KR KR1020040007541A patent/KR100482511B1/ko not_active Expired - Fee Related
-
2005
- 2005-02-05 EP EP05726372A patent/EP1721341B1/en not_active Expired - Lifetime
- 2005-02-05 WO PCT/KR2005/000360 patent/WO2005076374A1/en active Application Filing
- 2005-02-05 AT AT05726372T patent/ATE464658T1/de not_active IP Right Cessation
- 2005-02-05 DE DE602005020586T patent/DE602005020586D1/de not_active Expired - Lifetime
- 2005-03-05 US US10/597,607 patent/US7547909B2/en not_active Expired - Fee Related
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KR100723022B1 (ko) * | 2006-05-19 | 2007-05-30 | 경희대학교 산학협력단 | 양자 우물 구조를 갖는 나노 구조체 및 그 제조방법 |
KR101283233B1 (ko) * | 2007-06-25 | 2013-07-11 | 엘지이노텍 주식회사 | 발광 소자 및 그 제조방법 |
US8274069B2 (en) | 2008-05-09 | 2012-09-25 | Samsung Electronics Co., Ltd. | Nitride semiconductor light emitting device |
KR101123011B1 (ko) * | 2008-12-10 | 2012-03-15 | 삼성엘이디 주식회사 | 질화물 반도체 소자 |
KR101163319B1 (ko) * | 2010-02-25 | 2012-07-05 | 가부시끼가이샤 도시바 | 반도체 발광 소자 및 그 제조 방법 |
US8399896B2 (en) | 2010-02-25 | 2013-03-19 | Kabushiki Kaisha Toshiba | Semiconductor light emitting device and method of manufacturing the same |
KR101244583B1 (ko) | 2011-05-16 | 2013-03-25 | 한국광기술원 | 톱니 형태의 에너지 밴드갭을 가지는 활성층을 구비한 발광 소자 |
US8575593B2 (en) | 2011-07-25 | 2013-11-05 | Samsung Electronics Co., Ltd. | Semiconductor light emitting device and fabrication method thereof |
KR20150115413A (ko) * | 2014-04-04 | 2015-10-14 | 엘지이노텍 주식회사 | 발광 소자 |
KR102140277B1 (ko) | 2014-04-04 | 2020-07-31 | 엘지이노텍 주식회사 | 발광 소자 |
US9337391B2 (en) | 2014-08-11 | 2016-05-10 | Samsung Electronics Co., Ltd. | Semiconductor light emitting device, light emitting device package comprising the same, and lighting device comprising the same |
US10134949B2 (en) | 2017-01-11 | 2018-11-20 | Samsung Electronics Co., Ltd. | Semiconductor light emitting device |
WO2023003446A1 (ko) * | 2021-07-23 | 2023-01-26 | 주식회사 소프트에피 | 3족 질화물 반도체 발광 소자를 제조하는 방법 |
Also Published As
Publication number | Publication date |
---|---|
EP1721341A4 (en) | 2007-10-24 |
EP1721341A1 (en) | 2006-11-15 |
US7547909B2 (en) | 2009-06-16 |
WO2005076374A1 (en) | 2005-08-18 |
DE602005020586D1 (de) | 2010-05-27 |
ATE464658T1 (de) | 2010-04-15 |
US20080149917A1 (en) | 2008-06-26 |
EP1721341B1 (en) | 2010-04-14 |
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