KR101007136B1 - 발광 소자, 발광 소자 패키지 및 발광 소자 제조방법 - Google Patents
발광 소자, 발광 소자 패키지 및 발광 소자 제조방법 Download PDFInfo
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- KR101007136B1 KR101007136B1 KR20100014437A KR20100014437A KR101007136B1 KR 101007136 B1 KR101007136 B1 KR 101007136B1 KR 20100014437 A KR20100014437 A KR 20100014437A KR 20100014437 A KR20100014437 A KR 20100014437A KR 101007136 B1 KR101007136 B1 KR 101007136B1
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- 239000011701 zinc Substances 0.000 description 1
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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
- H01L33/02—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
- H01L33/24—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 of the light emitting region, e.g. non-planar junction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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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
- H01L2924/1203—Rectifying Diode
- H01L2924/12032—Schottky diode
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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
- H01L33/02—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
- H01L33/04—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 quantum effect structure or superlattice, e.g. tunnel junction
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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
- H01L33/02—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
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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
- H01L33/02—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
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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Abstract
Description
도 2는 실시예에 따른 발광 소자를 이용한 수평형(Lateral) 전극 구조의 발광 소자의 단면도이다.
도 3은 실시예에 따른 발광 소자를 이용한 수직형(Vertical) 전극 구조의 발광 소자의 단면도이다.
도 4는 실시예에 따른 발광 소자를 포함하는 발광 소자 패키지의 단면도이다.
112 : 버퍼층 120 : 언도프드 반도체층
123 : 홈형성층 127 : 초격자구조층
130 : 제1 도전형 반도체층 140 : 활성층
145 : 누설전류방지층 150 : 제2 도전형 반도체층
Claims (20)
- 복수의 홈을 포함하는 제1 도전형 반도체층;
상기 제1 도전형 반도체층의 상면 및 상기 복수의 홈을 따라 형성되는 활성층;
상기 활성층 상에 형성되며 편평한 상면을 갖는 누설전류방지층; 및
상기 누설전류방지층 상에 제2 도전형 반도체층을 포함하는 발광 소자. - 제 1항에 있어서,
상기 복수의 홈의 형상은 브이(V) 형상이 일 방향으로 길게 연장된 형상, 원뿔 형상 및 다각뿔의 형상 중 어느 하나를 포함하는 발광 소자. - 제 1항에 있어서,
상기 누설전류방지층의 밴드갭 에너지는 상기 활성층의 밴드갭 에너지보다 큰 발광 소자. - 제 1항에 있어서,
상기 누설전류방지층은 제1 누설전류방지층 및 제2 누설전류방지층 중 적어도 하나를 포함하며,
상기 제1 누설전류방지층은 InxAlyGa1 -x- yN (0<x≤0.03, 0<y<1, 0<x+y<1)을 포함하고, 상기 제2 누설전류방지층은 n형 도펀트가 도핑된 AlGaN층과 GaN층을 포함하는 구조가 반복적으로 적층된 초격자 구조를 갖는 발광 소자. - 제 1항에 있어서,
상기 제1 도전형 반도체층은 1μm 내지 5μm의 두께를 가지고,
상기 제2 도전형 반도체층은 1μm 내지 1.5μm의 두께를 가지는 발광 소자. - 제 1항에 있어서,
상기 제1 도전형 반도체층은 Zn을 포함하는 발광 소자. - 제 1항에 있어서,
상기 제1 도전형 반도체층 아래에 홈형성층 및 상기 홈형성층 아래에 언도프드 반도체층을 포함하며,
상기 홈형성층은 복수의 제2 홈을 포함하는 발광 소자. - 제 7항에 있어서,
상기 홈형성층 및 상기 언도프드 반도체층은 같은 재질인 발광 소자. - 제 7항에 있어서,
상기 홈형성층과 상기 제1 도전형 반도체층 사이에 반복적으로 적층된 InGaN층과 GaN층을 포함하는 초격자구조층을 포함하는 발광 소자. - 제 7항에 있어서,
상기 홈형성층의 두께는 0.5μm 내지 5μm 인 발광 소자. - 제 7항에 있어서,
상기 복수의 제2 홈의 상부의 지름은 0.5μm 내지 1.5μm이고, 깊이는 0.3μm 내지 0.7μm인 발광 소자. - 기판;
상기 기판 상에 형성되며, 복수의 홈을 포함하는 홈 형성층;
상기 홈 형성층 상에 1μm 내지 5μm의 두께로 형성되며, p형 도펀트로 도핑된 제1 도전형 반도체층;
상기 제1 도전형 반도체층의 상에 형성된 활성층; 및
상기 활성층 상에 형성되며, n형 도펀트로 도핑된 제2 도전형 반도체층을 포함하는 발광 소자. - 삭제
- 제 12항에 있어서,
상기 활성층 및 상기 제2 도전형 반도체층 사이에 누설전류방지층을 포함하며, 상기 누설전류방지층의 밴드갭 에너지는 상기 활성층의 밴드갭 에너지보다 큰 발광 소자. - 제 12항에 있어서,
상기 제2 도전형 반도체층은 1μm 내지 1.5μm의 두께를 가지는 발광 소자. - 기판 상에 복수의 홈을 포함하는 홈형성층을 형성하는 단계;
상기 홈형성층 상에 상기 복수의 홈의 형상이 잔존하도록 제1 도전형 반도체층을 형성하는 단계;
상기 제1 도전형 반도체층 상에 상기 복수의 홈의 형상이 잔존하도록 활성층을 형성하는 단계;
상기 활성층 상에 편평한 상면을 갖는 누설전류방지층을 형성하는 단계; 및
상기 누설전류방지층 상에 제2 도전형 반도체층을 형성하는 단계를 포함하는 발광 소자 제조방법. - 제 16항에 있어서,
상기 제1 도전형 반도체층은 p형 도펀트를 포함하고, 상기 제2 도전형 반도체층은 n형 도펀트를 포함하는 발광 소자 제조방법. - 제 16항에 있어서,
상기 홈형성층은 InxAlyGa1 -x- yN (0≤x≤1, 0 ≤y≤1, 0≤x+y≤1)을 포함하며, 600℃ 내지 1000℃의 성장 온도에서 형성되는 발광 소자 제조방법. - 제 16항에 있어서,
상기 제1 도전형 반도체층은 1100℃ 내지 1150℃의 성장 온도에서 형성되며, 1μm 내지 5μm의 두께를 가지도록 형성되는 발광 소자 제조방법. - 패키지 몸체부;
상기 패키지 몸체부에 설치된 제1 리드전극 및 제2 리드전극;
상기 패키지 몸체부에 설치되어 상기 제1 리드전극 및 제2 리드전극에 전기적으로 연결되는 발광 소자; 및
상기 발광 소자를 포위하는 몰딩부재를 포함하며,
상기 발광 소자는 복수의 홈을 포함하는 제1 도전형 반도체층과, 상기 제1 도전형 반도체층의 상면 및 상기 복수의 홈을 따라 형성되는 활성층과, 상기 활성층 상에 형성되며 편평한 상면을 갖는 누설전류방지층과, 상기 누설전류방지층 상에 제2 도전형 반도체층을 포함하는 발광 소자 패키지.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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KR20100014437A KR101007136B1 (ko) | 2010-02-18 | 2010-02-18 | 발광 소자, 발광 소자 패키지 및 발광 소자 제조방법 |
EP11154428.4A EP2362447B1 (en) | 2010-02-18 | 2011-02-14 | Light emitting diode |
TW100104884A TWI460888B (zh) | 2010-02-18 | 2011-02-15 | 發光裝置 |
US13/028,449 US8426887B2 (en) | 2010-02-18 | 2011-02-16 | Light emitting device and light emitting device package |
CN201510344582.XA CN104966770B (zh) | 2010-02-18 | 2011-02-18 | 发光器件 |
CN201110042266.9A CN102169935B (zh) | 2010-02-18 | 2011-02-18 | 发光器件 |
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US (1) | US8426887B2 (ko) |
EP (1) | EP2362447B1 (ko) |
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CN (2) | CN102169935B (ko) |
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Publication number | Publication date |
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TWI460888B (zh) | 2014-11-11 |
EP2362447A2 (en) | 2011-08-31 |
CN104966770A (zh) | 2015-10-07 |
EP2362447B1 (en) | 2018-07-25 |
CN102169935A (zh) | 2011-08-31 |
CN104966770B (zh) | 2018-03-16 |
EP2362447A3 (en) | 2014-09-03 |
US8426887B2 (en) | 2013-04-23 |
CN102169935B (zh) | 2015-08-05 |
US20110198564A1 (en) | 2011-08-18 |
TW201133931A (en) | 2011-10-01 |
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