KR101438812B1 - 반사 구조물 및 이를 구비하는 발광 장치 - Google Patents
반사 구조물 및 이를 구비하는 발광 장치 Download PDFInfo
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- KR101438812B1 KR101438812B1 KR1020080005102A KR20080005102A KR101438812B1 KR 101438812 B1 KR101438812 B1 KR 101438812B1 KR 1020080005102 A KR1020080005102 A KR 1020080005102A KR 20080005102 A KR20080005102 A KR 20080005102A KR 101438812 B1 KR101438812 B1 KR 101438812B1
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- light emitting
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- 239000004065 semiconductor Substances 0.000 claims abstract description 109
- 150000001875 compounds Chemical class 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 30
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- 238000004220 aggregation Methods 0.000 claims abstract description 16
- 239000011573 trace mineral Substances 0.000 claims abstract description 16
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 16
- 229910052718 tin Inorganic materials 0.000 claims abstract description 8
- 229910052738 indium Inorganic materials 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 238000009792 diffusion process Methods 0.000 claims description 36
- 239000003963 antioxidant agent Substances 0.000 claims description 13
- 230000003078 antioxidant effect Effects 0.000 claims description 13
- 229910052703 rhodium Inorganic materials 0.000 claims description 13
- 229910052709 silver Inorganic materials 0.000 claims description 13
- 229910052697 platinum Inorganic materials 0.000 claims description 10
- 230000003064 anti-oxidating effect Effects 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 229910052741 iridium Inorganic materials 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 229910052702 rhenium Inorganic materials 0.000 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- 239000012811 non-conductive material Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 21
- 239000000956 alloy Substances 0.000 abstract description 21
- 229910052763 palladium Inorganic materials 0.000 abstract description 8
- 229910052804 chromium Inorganic materials 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 238000002310 reflectometry Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 255
- 239000000758 substrate Substances 0.000 description 38
- 229910052751 metal Inorganic materials 0.000 description 33
- 239000002184 metal Substances 0.000 description 33
- 239000000463 material Substances 0.000 description 16
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 10
- 229910002601 GaN Inorganic materials 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- 229910002668 Pd-Cu Inorganic materials 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 235000012431 wafers Nutrition 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 4
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- 230000006866 deterioration Effects 0.000 description 4
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- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005324 grain boundary diffusion Methods 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000002744 anti-aggregatory effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- YQNQTEBHHUSESQ-UHFFFAOYSA-N lithium aluminate Chemical compound [Li+].[O-][Al]=O YQNQTEBHHUSESQ-UHFFFAOYSA-N 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Classifications
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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
- H10H20/83—Electrodes
- H10H20/832—Electrodes characterised by their material
- H10H20/835—Reflective materials
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Abstract
Description
Claims (11)
- 제1 도전형 반도체층과 제2 도전형 반도체층 및 그 사이에 게재된 활성층을 포함하는 화합물 반도체층;상기 화합물 반도체층과 오믹 접촉하며 상기 화합물 반도체층 상면을 덮도록 배치되고, 투명 전도성 산화물인 확산 방지층;상기 확산 방지층 상면을 덮도록 배치되어, 상기 활성층으로부터 방출된 광을 반사하기 위한 반사층; 및상기 반사층 상에 배치된 산화 방지층;을 포함하며,상기 반사층은 미량 원소로서 In, C 중 하나 이상을 포함하고, 상기 확산 방지층과 오믹 접촉을 형성하기 위해 Pt, W, Ir, V, Vo, Os, Re, Rh의 원소 중 하나 이상을 실질적으로 소량 포함하는 합금으로 형성되며.상기 반사층은 150 nm 두께를 갖고, 상기 확산 방지층은 10 nm 두께를 갖는 것을 특징으로 하는 발광 장치.
- 제 1 항에 있어서,상기 반사층은 Ag, Al, Rh, Sn 중 하나 이상의 물질을 포함하는 것을 특징으로 하는 발광 장치.
- 삭제
- 제 1 항에 있어서,상기 산화 방지층은 Au, Pt, Rh, TCO, 투명 전도성 질화물(Transparent Conductive Nitride: TCN) 중 어느 하나 이상의 물질을 포함하는 것을 특징으로 하는 발광 장치.
- 삭제
- 삭제
- 삭제
- 삭제
- Ag, Al, Rh, Sn 중 어느 하나 이상의 물질을 포함하고, 열처리 과정에서의 뭉침 현상을 억제하기 위한 미량 원소로서 In, C 중 하나 이상을 포함하고, 화합물 반도체와 오믹 접촉을 형성하기 위해 Pt, W, Ir, V, Vo, Os, Re, Rh의 원소 중 하나 이상을 실질적으로 소량 포함하는 합금으로 구성된 반사층;상기 반사층과 상기 화합물 반도체 사이에 불연속적으로 배치되며, 투명 비도전성 물질로 형성된 확산 방지층; 및상기 반사층 상에 배치된 산화 방지층;을 포함하고,상기 반사층은 상기 확산 방지층으로부터 노출된 상기 화합물 반도체와 오믹 접촉을 형성하는 것을 특징으로 하는 반사 구조물.
- 삭제
- 제 9 항에 있어서,상기 산화 방지층은 Au, Pt, Rh, TCO, 투명 전도성 질화물(Transparent Conductive Nitride: TCN) 중 어느 하나 이상의 물질을 포함하는 것을 특징으로 하는 반사 구조물.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080005102A KR101438812B1 (ko) | 2008-01-16 | 2008-01-16 | 반사 구조물 및 이를 구비하는 발광 장치 |
| US12/522,246 US8558260B2 (en) | 2008-01-16 | 2009-01-15 | Light emitting device |
| PCT/KR2009/000222 WO2009091194A2 (ko) | 2008-01-16 | 2009-01-15 | 발광장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080005102A KR101438812B1 (ko) | 2008-01-16 | 2008-01-16 | 반사 구조물 및 이를 구비하는 발광 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20090079122A KR20090079122A (ko) | 2009-07-21 |
| KR101438812B1 true KR101438812B1 (ko) | 2014-09-05 |
Family
ID=40885801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020080005102A Active KR101438812B1 (ko) | 2008-01-16 | 2008-01-16 | 반사 구조물 및 이를 구비하는 발광 장치 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8558260B2 (ko) |
| KR (1) | KR101438812B1 (ko) |
| WO (1) | WO2009091194A2 (ko) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5258707B2 (ja) * | 2009-08-26 | 2013-08-07 | 株式会社東芝 | 半導体発光素子 |
| US9000469B2 (en) * | 2010-12-08 | 2015-04-07 | Nichia Corporation | Nitride group semiconductor light emitting device |
| DE102011112000B4 (de) * | 2011-08-31 | 2023-11-30 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Leuchtdiodenchip |
| KR101294246B1 (ko) * | 2012-06-22 | 2013-08-07 | 고려대학교 산학협력단 | 중간층을 이용한 반사막을 포함하는 발광 다이오드 제조 방법, 및 상기 방법으로 제조한 발광 다이오드 |
| KR101448842B1 (ko) * | 2013-06-19 | 2014-10-13 | 엘지이노텍 주식회사 | 발광 다이오드 |
| DE102014202424A1 (de) * | 2014-02-11 | 2015-08-13 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement mit einer reflektierenden Schichtenfolge und Verfahren zum Erzeugen einer reflektierenden Schichtenfolge |
| KR20160024170A (ko) | 2014-08-25 | 2016-03-04 | 삼성전자주식회사 | 반도체 발광 소자 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005197296A (ja) * | 2003-12-26 | 2005-07-21 | Shin Etsu Handotai Co Ltd | 発光素子及びその製造方法 |
| KR20050096582A (ko) * | 2004-03-31 | 2005-10-06 | 서울옵토디바이스주식회사 | 질화물계 반도체소자의 피형 전극 |
| KR100635157B1 (ko) * | 2005-09-09 | 2006-10-17 | 삼성전기주식회사 | 질화물계 반도체 발광소자 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI227354B (en) * | 2001-12-12 | 2005-02-01 | Seiko Epson Corp | Liquid crystal display device, substrate assembly for liquid crystal display device, and electronic apparatus |
| TW200520266A (en) * | 2003-11-21 | 2005-06-16 | Sanken Electric Co Ltd | Semiconductor luminous element and manufacturing method of the same |
| JP4592388B2 (ja) | 2004-11-04 | 2010-12-01 | シャープ株式会社 | Iii−v族化合物半導体発光素子およびその製造方法 |
| KR100691177B1 (ko) * | 2005-05-31 | 2007-03-09 | 삼성전기주식회사 | 백색 발광소자 |
| TWI370555B (en) * | 2006-12-29 | 2012-08-11 | Epistar Corp | Light-emitting diode and method for manufacturing the same |
-
2008
- 2008-01-16 KR KR1020080005102A patent/KR101438812B1/ko active Active
-
2009
- 2009-01-15 US US12/522,246 patent/US8558260B2/en active Active
- 2009-01-15 WO PCT/KR2009/000222 patent/WO2009091194A2/ko not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005197296A (ja) * | 2003-12-26 | 2005-07-21 | Shin Etsu Handotai Co Ltd | 発光素子及びその製造方法 |
| KR20050096582A (ko) * | 2004-03-31 | 2005-10-06 | 서울옵토디바이스주식회사 | 질화물계 반도체소자의 피형 전극 |
| KR100635157B1 (ko) * | 2005-09-09 | 2006-10-17 | 삼성전기주식회사 | 질화물계 반도체 발광소자 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110303934A1 (en) | 2011-12-15 |
| KR20090079122A (ko) | 2009-07-21 |
| WO2009091194A2 (ko) | 2009-07-23 |
| US8558260B2 (en) | 2013-10-15 |
| WO2009091194A3 (ko) | 2009-11-05 |
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