KR101081129B1 - 발광소자 및 그 제조방법 - Google Patents
발광소자 및 그 제조방법 Download PDFInfo
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- KR101081129B1 KR101081129B1 KR1020090116993A KR20090116993A KR101081129B1 KR 101081129 B1 KR101081129 B1 KR 101081129B1 KR 1020090116993 A KR1020090116993 A KR 1020090116993A KR 20090116993 A KR20090116993 A KR 20090116993A KR 101081129 B1 KR101081129 B1 KR 101081129B1
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- 238000000034 method Methods 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000004065 semiconductor Substances 0.000 claims abstract description 155
- 239000000758 substrate Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 12
- 229910002704 AlGaN Inorganic materials 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 273
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 9
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 238000005530 etching Methods 0.000 description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- 239000002019 doping agent Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 4
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- VRIVJOXICYMTAG-IYEMJOQQSA-L iron(ii) gluconate Chemical compound [Fe+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O VRIVJOXICYMTAG-IYEMJOQQSA-L 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000001451 molecular beam epitaxy Methods 0.000 description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 229910019897 RuOx Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 239000002096 quantum dot Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910018229 Al—Ga Inorganic materials 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
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000012780 transparent material Substances 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
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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
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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
- H10H20/814—Bodies having reflecting means, e.g. semiconductor Bragg reflectors
-
- 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
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
- H10H20/821—Bodies characterised by their shape, e.g. curved or truncated substrates of the light-emitting regions, e.g. non-planar junctions
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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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
- 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
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/49105—Connecting at different heights
- H01L2224/49107—Connecting at different heights on the semiconductor or solid-state body
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- 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
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
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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]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/018—Bonding of wafers
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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
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
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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
- H10H20/831—Electrodes characterised by their shape
- H10H20/8312—Electrodes characterised by their shape extending at least partially through the bodies
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Abstract
Description
Claims (19)
- 전도성 지지부재 및 반사층 중 적어도 어느 하나;상기 전도성 지지부재 및 상기 반사층 중 적어도 어느 하나 상에 제2 도전형 반도체층;상기 제2 도전형 반도체층 상에 활성층;상기 활성층 상에 제3 굴절률을 갖는 제1 반도체층;상기 제1 반도체층 상에 상기 제1 반도체층을 노출하는 공간을 구비하는 중간굴절층; 및상기 중간굴절층 상에서 상기 공간을 통하여 상기 제1 반도체층에 연결되는 전극을 포함하고,상기 중간굴절층은 AlN, GaN, AlGaN, InGaN, AlInGaN, AlInN 및 InN 중 적어도 하나의 물질로 형성되며,상기 중간굴절층이 상기 제3 굴절률보다 작고, 공기의 제4 굴절률보다 큰 제2 굴절률을 갖는 발광 소자.
- 삭제
- 제 1항에 있어서,상기 중간굴절층은 다수의 다각 기둥 또는 다수의 원 기둥을 포함하여 상기 다수의 다각 기둥 또는 상기 다수의 원 기둥 사이에 상기 공간이 위치하는 발광 소자.
- 제 1항에 있어서,상기 중간굴절층은 0.5μ 내지 1.0μ의 두께를 가지는 발광 소자.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1항에 있어서,상기 중간굴절층의 제2 굴절률은 2.1 내지 2.2의 값을 가지는 발광 소자.
- 제 1항에 있어서,상기 제1 반도체층은 InxAlyGa1-x-yN (0≤x≤1, 0 ≤y≤1, 0≤x+y≤1)의 조성식을 갖는 반도체 재료로 형성되는 발광 소자.
- 기판 상에 제2 굴절률을 갖는 제2 중간굴절층을 형성하는 단계;상기 제2 중간굴절층 상에 제3 굴절률을 갖는 제1 반도체층을 형성하는 단계;상기 제1 반도체층 상에 활성층을 형성하는 단계;상기 활성층 상에 제2 도전형 반도체층을 형성하는 단계;상기 제2 도전형 반도체층 상에 전도성 지지부재 및 반사층 중 적어도 하나를 형성하는 단계;상기 기판을 제거하는 단계; 및상기 제2 중간굴절층 상에 전극을 형성하는 단계;를 포함하며,상기 제2 중간굴절층은 상기 제1 반도체층을 노출하는 공간을 구비하고, 상기 전극은 상기 공간을 통하여 상기 제1 반도체층에 연결되며,상기 제2 굴절률은 상기 제1 굴절률보다 크고, 상기 제3 굴절률보다 작은 발광 소자 제조방법.
- 제 11항에 있어서,상기 제2 중간굴절층은 AlN을 포함하며, 1000℃ 내지 1100℃의 성장 온도로 형성된 발광 소자 제조방법.
- 제 11항에 있어서,상기 기판은 사파이어(Al2O3), SiC, Si, GaAs, GaN, ZnO, Si, GaP, InP, Ge 중 적어도 하나로 형성되는 발광 소자 제조방법.
- 제 11항에 있어서,상기 제1 반도체층은 InxAlyGa1 -x- yN (0≤x≤1, 0 ≤y≤1, 0≤x+y≤1)의 조성식을 갖는 반도체 재료로 형성되는 발광 소자 제조방법.
- 제 11항에 있어서,상기 제1 반도체층을 형성하는 단계 이전에,상기 기판 상에 언도프트 반도체층을 형성하는 단계; 및상기 언도프트 반도체층 상에 상기 제2 중간굴절층을 형성하는 단계를 포함하며,상기 제1 반도체층은 상기 제2 중간굴절층 상에 형성되는 발광 소자 제조방법.
- 제 15항에 있어서,상기 제2 중간굴절층은 AlN을 포함하며, 1000℃ 내지 1100℃의 성장 온도로 형성된 발광 소자 제조방법.
- 삭제
- 삭제
- 제15 항에 있어서,상기 기판 상에 제1 중간굴절층을 형성하는 단계; 및상기 제1 중간굴절층 상에 상기 언도프트 반도체층을 형성하는 단계;를 포함하는 발광 소자 제조방법.
Priority Applications (6)
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KR1020090116993A KR101081129B1 (ko) | 2009-11-30 | 2009-11-30 | 발광소자 및 그 제조방법 |
EP10190500.8A EP2328188B1 (en) | 2009-11-30 | 2010-11-09 | Light emitting device |
US12/945,229 US8476646B2 (en) | 2009-11-30 | 2010-11-12 | Light emitting device and light emitting device package |
CN201010572450.XA CN102117875B (zh) | 2009-11-30 | 2010-11-30 | 发光器件和发光器件封装 |
US13/932,822 US8987753B2 (en) | 2009-11-30 | 2013-07-01 | Light emitting device and light emitting device package |
US14/619,185 US9595647B2 (en) | 2009-11-30 | 2015-02-11 | Light emitting device and light emitting device package |
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KR1020090116993A KR101081129B1 (ko) | 2009-11-30 | 2009-11-30 | 발광소자 및 그 제조방법 |
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KR101081129B1 true KR101081129B1 (ko) | 2011-11-07 |
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US (3) | US8476646B2 (ko) |
EP (1) | EP2328188B1 (ko) |
KR (1) | KR101081129B1 (ko) |
CN (1) | CN102117875B (ko) |
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KR101081129B1 (ko) * | 2009-11-30 | 2011-11-07 | 엘지이노텍 주식회사 | 발광소자 및 그 제조방법 |
US9000415B2 (en) * | 2012-09-12 | 2015-04-07 | Lg Innotek Co., Ltd. | Light emitting device |
GB2525840B (en) * | 2014-02-18 | 2016-09-07 | Jaguar Land Rover Ltd | Autonomous driving system and method for same |
CN104051561B (zh) * | 2014-07-04 | 2016-08-24 | 东南大学 | 一种氮化镓基紫外雪崩光电探测器 |
US10007263B1 (en) * | 2014-11-13 | 2018-06-26 | State Farm Mutual Automobile Insurance Company | Autonomous vehicle accident and emergency response |
KR102430018B1 (ko) | 2017-12-20 | 2022-08-05 | 엘지디스플레이 주식회사 | 이송 헤드 어셈블리 및 발광소자 이송장치 |
CN109037411A (zh) * | 2018-07-27 | 2018-12-18 | 西安电子科技大学 | 基于Sn离子注入的氮化物光电转换结构及制备方法 |
JP7681011B2 (ja) * | 2019-10-04 | 2025-05-21 | ケンブリッジ エンタープライズ リミティッド | 立方晶GaNの量子細線からの偏光発光 |
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JP2006253172A (ja) | 2005-03-08 | 2006-09-21 | Toshiba Corp | 半導体発光素子、半導体発光装置及び半導体発光素子の製造方法 |
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KR20010029852A (ko) | 1999-06-30 | 2001-04-16 | 도다 다다히데 | Ⅲ족 질화물계 화합물 반도체 소자 및 그 제조방법 |
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US9595647B2 (en) | 2017-03-14 |
US8476646B2 (en) | 2013-07-02 |
EP2328188B1 (en) | 2019-01-23 |
US20170077365A9 (en) | 2017-03-16 |
CN102117875A (zh) | 2011-07-06 |
EP2328188A2 (en) | 2011-06-01 |
EP2328188A3 (en) | 2014-03-05 |
CN102117875B (zh) | 2016-04-06 |
US8987753B2 (en) | 2015-03-24 |
US20110127550A1 (en) | 2011-06-02 |
US20140014898A1 (en) | 2014-01-16 |
KR20110060411A (ko) | 2011-06-08 |
US20150155455A1 (en) | 2015-06-04 |
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