KR101731857B1 - 무반사층을 구비한 중적외선 발광 다이오드 - Google Patents
무반사층을 구비한 중적외선 발광 다이오드 Download PDFInfo
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- KR101731857B1 KR101731857B1 KR1020160040806A KR20160040806A KR101731857B1 KR 101731857 B1 KR101731857 B1 KR 101731857B1 KR 1020160040806 A KR1020160040806 A KR 1020160040806A KR 20160040806 A KR20160040806 A KR 20160040806A KR 101731857 B1 KR101731857 B1 KR 101731857B1
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- 239000011248 coating agent Substances 0.000 title abstract 2
- 238000000576 coating method Methods 0.000 title abstract 2
- 239000004065 semiconductor Substances 0.000 claims abstract description 71
- 239000005083 Zinc sulfide Substances 0.000 claims abstract description 18
- 229910052984 zinc sulfide Inorganic materials 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 14
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 claims abstract description 11
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 26
- 230000004888 barrier function Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 230000003667 anti-reflective effect Effects 0.000 claims description 5
- 229910052738 indium Inorganic materials 0.000 claims description 5
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 5
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 4
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 claims description 3
- 229910005542 GaSb Inorganic materials 0.000 claims description 3
- VTGARNNDLOTBET-UHFFFAOYSA-N gallium antimonide Chemical compound [Sb]#[Ga] VTGARNNDLOTBET-UHFFFAOYSA-N 0.000 claims description 3
- 229910000673 Indium arsenide Inorganic materials 0.000 claims 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 151
- 238000000605 extraction Methods 0.000 abstract description 8
- 239000011247 coating layer Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 8
- 238000002834 transmittance Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000006117 anti-reflective coating Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 239000005447 environmental material Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000013056 hazardous product Substances 0.000 description 1
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011540 sensing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- GTLQJUQHDTWYJC-UHFFFAOYSA-N zinc;selenium(2-) Chemical group [Zn+2].[Se-2] GTLQJUQHDTWYJC-UHFFFAOYSA-N 0.000 description 1
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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
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- H01L33/02—
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- H01L33/06—
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- H01L33/26—
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- H01L33/44—
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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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- 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
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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
- H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12041—LED
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Abstract
Description
도 2는 본 발명의 일 실시 예에 따른 무반사층을 구비한 중적외선 발광 다이오드를 나타내는 도면이다.
도 3은 본 발명의 일 실시 예에 따른 무반사층을 구비한 중적외선 발광 다이오드에 포함되는 무반사층을 구체적으로 나타내는 도면이다.
도 4는 본 발명의 일 실시 예에 따른 무반사층의 투과율을 나타내는 도면이다.
Claims (7)
- 기판 상에 형성되는 제1반도체층;
상기 제1반도체층 상에 형성되는 활성층;
상기 활성층 상에 형성되고, 상기 제 1 반도체층과 대응되는 제 2 반도체층; 및
상기 제 2 반도체층 상에 형성되고, 적어도 하나 이상의 다이아몬드상 탄소(DLC, diamond like carbon)층과 황화아연(ZnS) 및 셀레늄화아연(ZnSe) 중 적어도 하나 이상의 층을 구비하는 무반사층을 포함하되,
상기 무반사층은,
상기 황화아연 또는 상기 셀레늄화아연을 기준으로, 상부 및 하부에 상기 다이아몬드상 탄소(DLC)층이 형성되는 구조를 포함하는 무반사층을 구비한 중적외선 발광 다이오드.
- 삭제
- 제1항에 있어서,
상기 무반사층은,
상기 제 2 반도체층의 일부 영역을 외부로 노출하는 리세스를 적어도 하나이상 구비하고, 상기 리세스 내부에 형성되어 상기 제2 반도체층과 전기적으로 연결되는 전극을 적어도 하나 이상 구비하는 무반사층을 구비한 중적외선 발광 다이오드.
- 제1항에 있어서,
상기 제1 반도체층은,
상기 기판의 상에 n형 또는 p형 InAsSbP 또는 AlGaAsSb 물질로 형성되고,
상기 제2 반도체층은,
상기 활성층 상에 상기 제1 반도체층과 반대로 대응되는 p형 또는 n형 InAsSbP 또는 AlGaAsSb 물질로 형성되는 무반사층을 구비한 중적외선 발광 다이오드.
- 제1항에 있어서,
상기 활성층은,
제1및 2반도체층을 InAsSbP 물질로 한 경우 InAsSb 물질 또는
InGaAs물질로 형성되는 장벽층 및 InAsSb물질로 형성되는 우물층을 적어도 하나 이상 구비하는 단일 또는 다중양자 우물구조를 포함하는 무반사층을 구비한 중적외선 발광 다이오드.
- 제1항에 있어서,
상기 활성층은,
제1및 2반도체층을 AlGaAsSb 물질로 한 경우 InAsSb 물질 또는
AlGaAs물질로 형성되는 장벽층 및 InGaSb물질로 형성되는 우물층을 적어도 하나 이상 구비하는 단일 또는 다중양자 우물구조를 포함하는 무반사층을 구비한 중적외선 발광 다이오드.
- 제1항에 있어서,
상기 기판은,
비소화인듐(InAs) 및 안티몬화갈륨(GaSb) 중 어느 하나로 형성되는 무반사층을 구비한 중적외선 발광 다이오드.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160040806A KR101731857B1 (ko) | 2016-04-04 | 2016-04-04 | 무반사층을 구비한 중적외선 발광 다이오드 |
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| KR1020160040806A KR101731857B1 (ko) | 2016-04-04 | 2016-04-04 | 무반사층을 구비한 중적외선 발광 다이오드 |
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| KR101731857B1 true KR101731857B1 (ko) | 2017-05-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230049539A1 (en) * | 2021-08-13 | 2023-02-16 | Lumileds Llc | Semiconductor light-emitting device with near-field quasi-guided-mode reflector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015535141A (ja) * | 2012-09-07 | 2015-12-07 | リミテッド・ライアビリティ・カンパニー”エルイーディ・マイクロセンサー・エヌティ”Limited Liability Companyled Microsensor Nt | GalnAsSb固溶体ベースのヘテロ構造、該ヘテロ構造を製造する方法、および該ヘテロ構造をベースとした発光ダイオード |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015535141A (ja) * | 2012-09-07 | 2015-12-07 | リミテッド・ライアビリティ・カンパニー”エルイーディ・マイクロセンサー・エヌティ”Limited Liability Companyled Microsensor Nt | GalnAsSb固溶体ベースのヘテロ構造、該ヘテロ構造を製造する方法、および該ヘテロ構造をベースとした発光ダイオード |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230049539A1 (en) * | 2021-08-13 | 2023-02-16 | Lumileds Llc | Semiconductor light-emitting device with near-field quasi-guided-mode reflector |
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