KR20100043678A - 발광 소자 및 그 제조방법 - Google Patents
발광 소자 및 그 제조방법 Download PDFInfo
- Publication number
- KR20100043678A KR20100043678A KR1020080102799A KR20080102799A KR20100043678A KR 20100043678 A KR20100043678 A KR 20100043678A KR 1020080102799 A KR1020080102799 A KR 1020080102799A KR 20080102799 A KR20080102799 A KR 20080102799A KR 20100043678 A KR20100043678 A KR 20100043678A
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- South Korea
- Prior art keywords
- semiconductor layer
- conductive semiconductor
- layer
- contact region
- light emitting
- Prior art date
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- 238000000034 method Methods 0.000 title claims 11
- 239000004065 semiconductor Substances 0.000 claims abstract description 114
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims description 16
- 238000005530 etching Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 description 10
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000011651 chromium Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 2
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- -1 bicetyl cyclopentadienyl magnesium Chemical compound 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 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
- H10H20/81—Bodies
- H10H20/816—Bodies having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures
-
- 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
- H10H20/831—Electrodes characterised by their shape
- H10H20/8312—Electrodes characterised by their shape extending at least partially through the bodies
-
- 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]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/018—Bonding of wafers
-
- 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]
- H10H20/052—Light-emitting semiconductor devices having Schottky type light-emitting regions; Light emitting semiconductor devices having Metal-Insulator-Semiconductor type light-emitting regions
-
- 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
-
- 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
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- Led Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (12)
- 제2 전극층;상기 제2 전극층 상에 쇼트키 접촉 영역 및 오믹 접촉 영역을 포함하는 제3 도전형의 반도체층;상기 제3 도전형의 반도체층 상에 제2 도전형의 반도체층;상기 제2 도전형의 반도체층 상에 활성층;상기 활성층 상에 제1 도전형의 반도체층; 및상기 제1 도전형의 반도체층 상에 형성되는 제1 전극층이 포함되는 발광 소자.
- 제 1항에 있어서,상기 제1 도전형의 반도체층은 n형 반도체층이고, 상기 제2 도전형의 반도체층은 p형 반도체층이고, 상기 제3 도전형의 반도체층은 n형 반도체층 또는 Un-doped 반도체층인 발광 소자.
- 제 1항에 있어서,상기 쇼트키 접촉 영역은 상기 제3 도전형의 반도체층의 중앙부에 형성되고, 상기 쇼트키 접촉 영역의 주위에 오믹 접촉 영역이 형성되는 발광 소자.
- 제 3항에 있어서,상기 쇼트키 접촉 영역은 상기 제3 도전형의 반도체층의 주변부에 형성되는 발광 소자.
- 제 1항에 있어서,상기 제1 전극층과 상기 쇼트키 접촉 영역은 적어도 일부분이 수직 방향에서 오버랩되는 발광 소자.
- 제 1항에 있어서,상기 쇼트키 접촉 영역은 100~1000Å의 두께로 형성되고, 상기 오믹 접촉 영역은 10~90Å로 형성되는 발광 소자.
- 제 1항에 있어서,상기 오믹 접촉 영역 아래의 상기 제2 전극층은 제1 두께로 형성되고, 상기 쇼트키 접촉 영역 아래의 상기 제2 전극층은 상기 제1 두께보다 얇은 제2 두께로 형성된 발광 소자.
- 기판 상에 Un-doped GaN층, 제1 도전형의 반도체층, 활성층, 제2 도전형의 반도체층 및 제3 도전형의 반도체층을 형성하는 단계;상기 제3 도전형의 반도체층 상에 마스크층을 형성하고 상기 제3 도전형의 반도체층을 선택적으로 식각하는 단계;상기 제3 도전형의 반도체층 상에 제2 전극층을 형성하는 단계; 및상기 기판 및 Un-doped GaN층을 제거하고, 상기 제1 도전형의 반도체층 상에 제1 전극층을 형성하는 단계가 포함되는 발광 소자 제조방법.
- 제 8항에 있어서,상기 제3 도전형의 반도체층은 제3 두께로 형성된 쇼트키 접촉 영역과, 상기 제3 두께보다 얇은 제4 두께로 형성된 오믹 접촉 영역을 포함하는 발광 소자 제조방법.
- 제 9항에 있어서,상기 제3 두께는 100~1000Å이고, 상기 제4 두께는 10~90Å인 발광 소자 제조방법.
- 제 8항에 있어서,상기 제1 도전형의 반도체층은 n형 반도체층이고, 상기 제2 도전형의 반도체층은 p형 반도체층이고, 상기 제3 도전형의 반도체층은 n형 반도체층 또는 Un-doped 반도체층인 발광 소자 제조방법.
- 제 9항에 있어서,상기 제1 전극층과 상기 쇼트키 접촉 영역은 적어도 일부분이 수직 방향에서 오버랩되는 발광 소자 제조방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080102799A KR100992728B1 (ko) | 2008-10-20 | 2008-10-20 | 발광 소자 및 그 제조방법 |
EP09822135.1A EP2339653B1 (en) | 2008-10-20 | 2009-07-07 | Light emitting device, and manufacturing method thereof |
CN2009801331206A CN102132427B (zh) | 2008-10-20 | 2009-07-07 | 发光器件及其制造方法 |
PCT/KR2009/003695 WO2010047459A1 (ko) | 2008-10-20 | 2009-07-07 | 발광 소자 및 그 제조방법 |
US12/500,988 US8008684B2 (en) | 2008-10-20 | 2009-07-10 | Light emitting device and method for manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080102799A KR100992728B1 (ko) | 2008-10-20 | 2008-10-20 | 발광 소자 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100043678A true KR20100043678A (ko) | 2010-04-29 |
KR100992728B1 KR100992728B1 (ko) | 2010-11-05 |
Family
ID=42107944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080102799A KR100992728B1 (ko) | 2008-10-20 | 2008-10-20 | 발광 소자 및 그 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8008684B2 (ko) |
EP (1) | EP2339653B1 (ko) |
KR (1) | KR100992728B1 (ko) |
CN (1) | CN102132427B (ko) |
WO (1) | WO2010047459A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140027836A (ko) * | 2012-08-27 | 2014-03-07 | 엘지이노텍 주식회사 | 발광 소자 |
CN108565320B (zh) * | 2018-01-12 | 2019-09-27 | 厦门乾照光电股份有限公司 | 一种发光二极管及其制备方法 |
US11362237B2 (en) * | 2020-06-02 | 2022-06-14 | Facebook Technologies, Llc | High-efficiency red micro-LED with localized current aperture |
KR102618972B1 (ko) * | 2021-08-25 | 2023-12-29 | 인하대학교 산학협력단 | 반도체 발광 다이오드 및 그의 제조 방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW253999B (ko) * | 1993-06-30 | 1995-08-11 | Hitachi Cable | |
TWI276230B (en) * | 2001-12-04 | 2007-03-11 | Epitech Corp Ltd | Structure and manufacturing method of light emitting diode |
TWI230472B (en) * | 2002-11-29 | 2005-04-01 | Sanken Electric Co Ltd | Semiconductor light emitting device and the manufacturing method thereof |
KR20050060740A (ko) * | 2003-12-17 | 2005-06-22 | 엘지전자 주식회사 | 질화물 반도체 발광 다이오드 및 그의 제조 방법 |
TWI244220B (en) * | 2004-02-20 | 2005-11-21 | Epistar Corp | Organic binding light-emitting device with vertical structure |
US20060002442A1 (en) * | 2004-06-30 | 2006-01-05 | Kevin Haberern | Light emitting devices having current blocking structures and methods of fabricating light emitting devices having current blocking structures |
KR20050029167A (ko) | 2005-02-17 | 2005-03-24 | 이강재 | 광결정 공진기를 갖는 질화물반도체 발광소자 |
KR100638819B1 (ko) * | 2005-05-19 | 2006-10-27 | 삼성전기주식회사 | 광추출효율이 개선된 수직구조 질화물 반도체 발광소자 |
KR20070012930A (ko) * | 2005-07-25 | 2007-01-30 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
DE102005061346A1 (de) * | 2005-09-30 | 2007-04-05 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip |
KR100640497B1 (ko) * | 2005-11-24 | 2006-11-01 | 삼성전기주식회사 | 수직 구조 질화갈륨계 발광다이오드 소자 |
KR100723150B1 (ko) * | 2005-12-26 | 2007-05-30 | 삼성전기주식회사 | 수직구조 질화물 반도체 발광소자 및 제조방법 |
DE102006034847A1 (de) * | 2006-04-27 | 2007-10-31 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip |
KR100730755B1 (ko) | 2006-05-12 | 2007-06-21 | 서울옵토디바이스주식회사 | 수직형 발광소자 제조 방법 및 그 수직형 발광소자 |
KR100878979B1 (ko) | 2007-01-18 | 2009-01-14 | 광주과학기술원 | 광결정 구조를 가지는 발광 다이오드 |
KR20100003469A (ko) | 2008-07-01 | 2010-01-11 | 삼성전기주식회사 | Led 패키지 |
-
2008
- 2008-10-20 KR KR1020080102799A patent/KR100992728B1/ko active IP Right Grant
-
2009
- 2009-07-07 EP EP09822135.1A patent/EP2339653B1/en not_active Not-in-force
- 2009-07-07 CN CN2009801331206A patent/CN102132427B/zh active Active
- 2009-07-07 WO PCT/KR2009/003695 patent/WO2010047459A1/ko active Application Filing
- 2009-07-10 US US12/500,988 patent/US8008684B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2339653A1 (en) | 2011-06-29 |
CN102132427B (zh) | 2013-07-17 |
US20100096641A1 (en) | 2010-04-22 |
US8008684B2 (en) | 2011-08-30 |
CN102132427A (zh) | 2011-07-20 |
EP2339653B1 (en) | 2013-08-21 |
WO2010047459A1 (ko) | 2010-04-29 |
KR100992728B1 (ko) | 2010-11-05 |
EP2339653A4 (en) | 2012-07-04 |
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