KR101008285B1 - 3족 질화물 반도체 발광소자 - Google Patents
3족 질화물 반도체 발광소자 Download PDFInfo
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- KR101008285B1 KR101008285B1 KR1020050102063A KR20050102063A KR101008285B1 KR 101008285 B1 KR101008285 B1 KR 101008285B1 KR 1020050102063 A KR1020050102063 A KR 1020050102063A KR 20050102063 A KR20050102063 A KR 20050102063A KR 101008285 B1 KR101008285 B1 KR 101008285B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 124
- 150000004767 nitrides Chemical class 0.000 title claims abstract description 117
- 230000000873 masking effect Effects 0.000 claims abstract description 39
- 230000006798 recombination Effects 0.000 claims abstract description 4
- 238000005215 recombination Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 22
- 239000010410 layer Substances 0.000 description 200
- 239000010408 film Substances 0.000 description 29
- 239000000758 substrate Substances 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 239000010409 thin film Substances 0.000 description 5
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 229910052594 sapphire Inorganic materials 0.000 description 4
- 239000010980 sapphire Substances 0.000 description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 238000001994 activation Methods 0.000 description 2
- 238000003486 chemical etching Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000003446 memory effect Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
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
- H10H20/81—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
- H10H20/81—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
- H10H20/81—Bodies
- H10H20/817—Bodies characterised by the crystal structures or orientations, e.g. polycrystalline, amorphous or porous
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- Led Devices (AREA)
Abstract
Description
Claims (10)
- 전자와 정공의 재결합을 통해 빛을 생성하는 활성층을 n형 질화물 반도체층과 p형 질화물 반도체층 사이에 포함하며 활성층이 n형 질화물 반도체층 위에 위치하는 3족 질화물 반도체 발광소자에 있어서,p형 질화물 반도체층 위에 불연속적으로 성장되는 MgN로 된 마스킹막; 그리고MgN로 된 마스킹막 성장 후에 적어도 MgN로 된 마스킹막이 성장되지 않은 p형 질화물 반도체층 위에 성장되는 질화물 반도체층을 갖는 하나 이상의 질화물 반도체층;을 포함하는 것을 특징으로 하는 3족 질화물 반도체 발광소자.
- 제 1 항에 있어서, 하나 이상의 질화물 반도체층은 제1 AlxInyGazN(x+y+z=1)층을 포함하는 것을 특징으로 하는 3족 질화물 반도체 발광소자.
- 제 2 항에 있어서, 제1 AlxInyGazN(x+y+z=1)층은 복수개의 섬들로 이루어지는 것을 특징으로 하는 3족 질화물 반도체 발광소자.
- 제 1 항에 있어서, 하나 이상의 질화물 반도체층은 제1 AlaInbGacN(a+b+c=1)층과 제2 AlaInbGacN(a+b+c=1)층을 포함하며 제2 AlaInbGacN(a+b+c=1)층은 MgN로 된 마스킹막과 제1 AlaInbGacN(a+b+c=1)층 전체를 덮는 것을 특징으로 하는 3족 질화물 반도체 발광소자.
- 제 4 항에 있어서, 하나 이상의 질화물 반도체층은 제2 AlaInbGacN(a+b+c=1)층 위에 성장되는 제3 AleInfGagN(e+f+g=1)층을 더 포함하는 것을 특징으로 하는 3족 질화물 반도체 발광소자.
- 제 5 항에 있어서, 제2 AlaInbGacN(a+b+c=1)은 제1 온도에서 성장되고 제3 AleInfGagN(e+f+g=1)층은 제2 온도에서 성장되며, 제1 온도는 제2 온도보다 낮은 것을 특징으로 하는 3족 질화물 반도체 발광소자.
- 제 1 항에 있어서, 하나 이상의 질화물 반도체층은 제1 AlxInyGazN(x+y+z=1)층, 제2 AlaInbGacN(a+b+c=1)층 및 제3 AleInfGagN(e+f+g=1)층을 포함하며, 제1 AlxInyGazN(x+y+z=1)층, 제2 AlaInbGacN(a+b+c=1)층 및 제3 AleInfGagN(e+f+g=1)층은 p형 도전성을 가지는 것을 특징으로 하는 3족 질화물 반도체 발광소자.
- 제 7 항에 있어서, 제1 AlxInyGazN(x+y+z=1)층, 제2 AlaInbGacN(a+b+c=1)층 및 제3 AleInfGagN(e+f+g=1)층중 적어도 하나는 p형 도전성을 가지는 질화물 반도체층 과 100Å 이하의 n형 도전성을 가지는 질화물 반도체층의 적층 구조로 형성되는 것을 특징으로 하는 3족 질화물 반도체 발광소자.
- 제 1 항에 있어서, 하나 이상의 질화물 반도체층은 복수개의 섬들로 이루어진 AlxInyGazN(x+y+z=1)층;과 MgN로 된 마스킹막과 복수개의 섬들로 이루어진 AlxInyGazN(x+y+z=1)층을 덮는 추가의 AleInfGagN(e+f+g=1)층을 포함하는 것을 특징으로 하는 3족 질화물 반도체 발광소자.
- 제 9 항에 있어서, 하나 이상의 질화물 반도체층은 추가의 AleInfGagN(e+f+g=1)층의 성장 온도보다 낮은 성장 온도에서 성장되는 AlaInbGacN(a+b+c=1)층을 복수개의 섬들로 이루어진 AlxInyGazN(x+y+z=1)층과 추가의 AleInfGagN(e+f+g=1)층 사이에 더 포함하는 것을 특징으로 하는 3족 질화물 반도체 발광소자.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050102063A KR101008285B1 (ko) | 2005-10-28 | 2005-10-28 | 3족 질화물 반도체 발광소자 |
US12/084,198 US8053793B2 (en) | 2005-10-28 | 2006-10-30 | III-nitride semiconductor light emitting device |
PCT/KR2006/004457 WO2007049946A1 (en) | 2005-10-28 | 2006-10-30 | Iii-nitride semiconductor light emitting device |
Applications Claiming Priority (1)
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KR1020050102063A KR101008285B1 (ko) | 2005-10-28 | 2005-10-28 | 3족 질화물 반도체 발광소자 |
Publications (2)
Publication Number | Publication Date |
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KR20070045616A KR20070045616A (ko) | 2007-05-02 |
KR101008285B1 true KR101008285B1 (ko) | 2011-01-13 |
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KR1020050102063A Expired - Fee Related KR101008285B1 (ko) | 2005-10-28 | 2005-10-28 | 3족 질화물 반도체 발광소자 |
Country Status (3)
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US (1) | US8053793B2 (ko) |
KR (1) | KR101008285B1 (ko) |
WO (1) | WO2007049946A1 (ko) |
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KR101151956B1 (ko) * | 2006-02-17 | 2012-06-01 | 엘지이노텍 주식회사 | 고휘도 발광소자 제조방법 |
KR100946031B1 (ko) * | 2007-11-19 | 2010-03-09 | 삼성전기주식회사 | 질화물 반도체 발광소자 및 그 제조 방법 |
KR100999739B1 (ko) * | 2008-04-02 | 2010-12-08 | 엘지이노텍 주식회사 | 발광소자 및 그 제조방법 |
KR101103882B1 (ko) * | 2008-11-17 | 2012-01-12 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
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KR20070045616A (ko) | 2007-05-02 |
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US20100012920A1 (en) | 2010-01-21 |
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