KR20070004365A - 발광 다이오드 및 그 제조방법 - Google Patents
발광 다이오드 및 그 제조방법 Download PDFInfo
- Publication number
- KR20070004365A KR20070004365A KR1020050059889A KR20050059889A KR20070004365A KR 20070004365 A KR20070004365 A KR 20070004365A KR 1020050059889 A KR1020050059889 A KR 1020050059889A KR 20050059889 A KR20050059889 A KR 20050059889A KR 20070004365 A KR20070004365 A KR 20070004365A
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- South Korea
- Prior art keywords
- nitride semiconductor
- semiconductor layer
- type nitride
- electrode
- trench
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 10
- 239000004065 semiconductor Substances 0.000 claims abstract description 91
- 150000004767 nitrides Chemical class 0.000 claims abstract description 83
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 238000001312 dry etching Methods 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 4
- 238000009616 inductively coupled plasma Methods 0.000 claims description 4
- 238000001020 plasma etching Methods 0.000 claims description 4
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 26
- 229910002601 GaN Inorganic materials 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 229910002704 AlGaN Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/0004—Devices characterised by their operation
- H01L33/0008—Devices characterised by their operation having p-n or hi-lo junctions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/14—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/40—Materials therefor
- H01L33/42—Transparent materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0016—Processes relating to electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0066—Processes relating to semiconductor body packages relating to arrangements for conducting electric current to or from the semiconductor body
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (5)
- 기판 상부에 n형 질화물 반도체층, 활성층, p형 질화물 반도체층이 순차적으로 형성되어 있고;상기 p형 질화물 반도체층에서 상기 n형 질화물 반도체층의 일부분까지 메사(mesa)식각 되어 상기 n형 질화물 반도체층의 일부분이 상부로부터 노출되어 있고;상기 노출된 n형 질화물 반도체층에는 일정 깊이를 가지는 트렌치(trench)가 상기 메사 식각된 면에 인접하여 형성되어 있으며;상기 p형 질화물 반도체층의 상부에는 p-전극이 형성되어 있고;상기 트렌치에 채워지며, 상기 n형 질화물 반도체층의 노출된 상부에 연장되어 형성된 n-전극을 포함하여 이루어지는 발광 다이오드.
- 제1항에 있어서, 상기 트렌치는 1 ~ 3 ㎛의 깊이를 가지는 것을 특징으로 하는 발광 다이오드.
- 제1항에 있어서, 상기 p형 질화물 반도체층과 상기 p-전극 사이에 투명 전극을 더 포함하는 것을 특징으로 하는 발광 다이오드.
- 기판 상부에 n형 질화물 반도체층, 활성층, p형 질화물 반도체층을 순차적으로 형성하는 단계;상기 p형 질화물 반도체층에서 상기 n형 질화물 반도체층의 일부분까지 메사 식각하여 상기 n형 질화물 반도체층의 일부분을 상부로부터 노출시키는 단계;건식 식각 공정을 수행하여 상기 노출된 n형 질화물 반도체층에 일정 깊이를 가지는 트렌치(trench)를 형성하는 단계; 및상기 p형 질화물 반도체층 상에 p-전극을 형성하고, 상기 노출된 n형 질화물 반도체층 상부와 상기 트렌치에 n-전극을 형성하는 단계를 포함하여 이루어지는 발광 다이오드 제조방법.
- 제4항에 있어서, 상기 건식 식각 공정은 ICP/RIE(Inductively Coupled Plasma/Reactive Ion Etching)방식으로 이루어지는 것을 특징으로 하는 발광 다이오드 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050059889A KR100744258B1 (ko) | 2005-07-04 | 2005-07-04 | 발광 다이오드 및 그 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050059889A KR100744258B1 (ko) | 2005-07-04 | 2005-07-04 | 발광 다이오드 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070004365A true KR20070004365A (ko) | 2007-01-09 |
KR100744258B1 KR100744258B1 (ko) | 2007-07-30 |
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KR1020050059889A KR100744258B1 (ko) | 2005-07-04 | 2005-07-04 | 발광 다이오드 및 그 제조방법 |
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KR (1) | KR100744258B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101240277B1 (ko) * | 2011-06-08 | 2013-03-11 | 영남대학교 산학협력단 | 질화물계 반도체 기반 열전소자가 집적된 발광소자 및 그 제조방법 |
KR20140020420A (ko) * | 2012-08-08 | 2014-02-19 | 엘지이노텍 주식회사 | 발광 소자 |
CN106558638A (zh) * | 2016-11-30 | 2017-04-05 | 东莞市佳乾新材料科技有限公司 | 一种具有高发光效率的led芯片及其制作方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI220578B (en) * | 2003-09-16 | 2004-08-21 | Opto Tech Corp | Light-emitting device capable of increasing light-emitting active region |
KR100590532B1 (ko) * | 2003-12-22 | 2006-06-15 | 삼성전자주식회사 | 플립칩형 질화물계 발광소자 및 그 제조방법 |
-
2005
- 2005-07-04 KR KR1020050059889A patent/KR100744258B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101240277B1 (ko) * | 2011-06-08 | 2013-03-11 | 영남대학교 산학협력단 | 질화물계 반도체 기반 열전소자가 집적된 발광소자 및 그 제조방법 |
KR20140020420A (ko) * | 2012-08-08 | 2014-02-19 | 엘지이노텍 주식회사 | 발광 소자 |
CN106558638A (zh) * | 2016-11-30 | 2017-04-05 | 东莞市佳乾新材料科技有限公司 | 一种具有高发光效率的led芯片及其制作方法 |
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Publication number | Publication date |
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KR100744258B1 (ko) | 2007-07-30 |
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