KR20060079737A - 질화물 반도체 발광소자 - Google Patents
질화물 반도체 발광소자 Download PDFInfo
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- KR20060079737A KR20060079737A KR1020050000266A KR20050000266A KR20060079737A KR 20060079737 A KR20060079737 A KR 20060079737A KR 1020050000266 A KR1020050000266 A KR 1020050000266A KR 20050000266 A KR20050000266 A KR 20050000266A KR 20060079737 A KR20060079737 A KR 20060079737A
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- nitride semiconductor
- light emitting
- emitting device
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- 150000004767 nitrides Chemical class 0.000 title claims abstract description 124
- 239000004065 semiconductor Substances 0.000 title claims abstract description 115
- 239000000758 substrate Substances 0.000 claims abstract description 73
- 238000000149 argon plasma sintering Methods 0.000 claims abstract description 71
- 238000002834 transmittance Methods 0.000 claims abstract description 14
- 239000011810 insulating material Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 15
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000002861 polymer material Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- 229910003465 moissanite Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 238000002310 reflectometry Methods 0.000 claims description 2
- 229910052594 sapphire Inorganic materials 0.000 abstract description 39
- 239000010980 sapphire Substances 0.000 abstract description 39
- 238000000605 extraction Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 description 8
- 238000005530 etching Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 nitride nitride Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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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
- H01L33/44—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 coatings, e.g. passivation layer or anti-reflective coating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- 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
- H01L33/22—Roughened surfaces, e.g. at the interface between epitaxial layers
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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
- H01L2933/0091—Scattering means in or on the semiconductor body or semiconductor body package
-
- 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
- H01L33/44—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 coatings, e.g. passivation layer or anti-reflective coating
- H01L33/46—Reflective coating, e.g. dielectric Bragg reflector
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims (23)
- 광투과성 기판 상에 순차적으로 형성된 제1 도전형 질화물 반도체층, 활성층 및 제2 도전형 질화물 반도체층을 포함한 질화물 발광소자에 있어서,상기 질화물 반도체 발광소자의 적어도 일면에 형성된, 광투과율이 50%이상인 절연성 물질로 이루어지며, 그 외부면에 광을 산란시키기 위한 요철패턴이 형성된 절연성 광산란층을 포함하는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 절연성 광산란층은 광투과율이 70%이상인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항 또는 제2항에 있어서,상기 절연성 광산란층은 폴리머 물질인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 절연성 광산란층은 SiO2, SiNx, SiC, SnO2, TiO2, ZrO 2, MgO 및 ZnO으로 구성된 그룹으로부터 선택된 물질로 이루어진 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 절연성 광산란층의 요철패턴의 주기는 약 0.001∼1㎛범위인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 절연성 광산란층은 적어도 상기 광투과성 기판의 하면에 형성된 것을 특징으로 하는 질화물 반도체 발광소자.
- 제6항에 있어서,상기 절연성 광산란층은 상기 광투과성 기판보다 낮은 굴절율을 갖는 물질로 이루어진 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 절연성 광산란층은 상기 광투광성 기판과 대향하는 상기 질화물 발광소자의 상면에 형성된 것을 특징으로 하는 질화물 반도체 발광소자.
- 제8항에 있어서,상기 절연성 광산란층은 상기 질화물 발광소자의 상면으로부터 그 측면의 적 어도 일부까지 연장되어 형성된 것을 특징으로 하는 질화물 반도체 발광소자.
- 제8항에 있어서,상기 절연성 광산란층은 상기 제1 및 제2 도전형 질화물 반도체층보다 낮은 굴절율을 갖는 물질로 이루어진 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 질화물 반도체 발광소자 중 광 방출면을 제외한 적어도 일면에 형성된 반사메탈층을 더 포함하는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제11항에 있어서,상기 반사 메탈층은 상기 절연성 광산란층 상에 형성된 것을 특징으로 하는 질화물 반도체 발광소자.
- 제11항에 있어서,상기 반사 메탈층은 적어도 90%의 반사율을 갖는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제11항에 있어서,상기 반사 메탈층은 Ag, Al, Rh, Ru, Pt, Au, Cu, Pd, Cr, Ni, Co, Ti, In 및 Mo으로 구성된 그룹으로부터 선택된 적어도 1종의 금속층 또는 그 합금층으로 이루어진 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 광투광성 기판은 그 측단의 적어도 일부가 경사면으로 이루어지며,상기 절연성 광산란층은 적어도 상기 광투과성 기판의 하면과 그 경사면에 형성된 것을 특징으로 하는 질화물 반도체 발광소자.
- 제15항에 있어서,상기 절연성 광산란층은 상기 광투과성 기판보다 낮은 굴절율을 갖는 물질로 이루어진 것을 특징으로 하는 질화물 반도체 발광소자.
- 광투과성 기판 상에 순차적으로 형성된 제1 도전형 질화물 반도체층, 활성층 및 제2 도전형 질화물 반도체층과, 상기 제1 및 제2 도전형 질화물 반도체층에 각각 접속된 제1 및 제2 전극을 갖는 질화물 발광소자;상기 제1 및 제2 전극에 각각 연결된 제1 및 제2 도전라인을 갖는 패키지 기판; 및,상기 광투과성 기판의 적어도 하면에 형성된, 광투과율이 50%이상인 절연성 물질로 이루어지며, 그 외부면에 광을 산란시키기 위한 요철패턴이 형성된 절연성 광산란층을 포함하는 것을 특징으로 하는 플립칩 질화물 반도체 발광소자.
- 제17항에 있어서,상기 절연성 광산란층은 상기 광투과성 기판보다 낮은 굴절율을 갖는 물질로 이루어진 것을 특징으로 하는 플립칩 질화물 반도체 발광소자.
- 제17항에 있어서,상기 절연성 광산란층은 폴리머 물질인 것을 특징으로 하는 플립칩 질화물 반도체 발광소자.
- 제17항에 있어서,상기 절연성 광산란층은 SiO2, SiNx, SiC 및 ZnO으로 구성된 그룹으로부터 선택된 물질로 이루어진 것을 특징으로 하는 플립칩 질화물 반도체 발광소자.
- 제17항에 있어서,상기 절연성 광산란층의 요철패턴 주기는 약 0.1∼1㎛범위인 것을 특징으로 하는 플립칩 질화물 반도체 발광소자.
- 제17항에 있어서,상기 질화물 반도체 발광소자 중 광 방출면을 제외한 적어도 일면에 형성된 반사메탈층을 더 포함하는 것을 특징으로 하는 플립칩 질화물 반도체 발광소자.
- 제17항에 있어서,상기 반사 메탈층은 상기 절연성 광산란층 상에 형성된 것을 특징으로 하는 플립칩 질화물 반도체 발광소자.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020050000266A KR100638666B1 (ko) | 2005-01-03 | 2005-01-03 | 질화물 반도체 발광소자 |
JP2005379215A JP5037013B2 (ja) | 2005-01-03 | 2005-12-28 | 窒化物半導体発光素子 |
US11/319,973 US20060145170A1 (en) | 2005-01-03 | 2005-12-28 | Nitride based semiconductor light emitting device |
Applications Claiming Priority (1)
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KR1020050000266A KR100638666B1 (ko) | 2005-01-03 | 2005-01-03 | 질화물 반도체 발광소자 |
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KR20060079737A true KR20060079737A (ko) | 2006-07-06 |
KR100638666B1 KR100638666B1 (ko) | 2006-10-30 |
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US (1) | US20060145170A1 (ko) |
JP (1) | JP5037013B2 (ko) |
KR (1) | KR100638666B1 (ko) |
Cited By (5)
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KR20130027302A (ko) * | 2011-09-07 | 2013-03-15 | 엘지이노텍 주식회사 | 발광소자 |
KR20140017108A (ko) * | 2012-07-30 | 2014-02-11 | 한국전자통신연구원 | 유기발광소자 제조방법 |
US8829540B2 (en) | 2010-02-19 | 2014-09-09 | Samsung Electronics Co., Ltd. | Semiconductor light emitting device having multi-cell array, light emitting module, and illumination apparatus |
KR20150034902A (ko) * | 2013-09-26 | 2015-04-06 | 서울바이오시스 주식회사 | 발광 다이오드 |
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US9142734B2 (en) | 2003-02-26 | 2015-09-22 | Cree, Inc. | Composite white light source and method for fabricating |
EP2264798B1 (en) * | 2003-04-30 | 2020-10-14 | Cree, Inc. | High powered light emitter packages with compact optics |
US7005679B2 (en) | 2003-05-01 | 2006-02-28 | Cree, Inc. | Multiple component solid state white light |
US7915085B2 (en) * | 2003-09-18 | 2011-03-29 | Cree, Inc. | Molded chip fabrication method |
US8294166B2 (en) | 2006-12-11 | 2012-10-23 | The Regents Of The University Of California | Transparent light emitting diodes |
KR100638819B1 (ko) * | 2005-05-19 | 2006-10-27 | 삼성전기주식회사 | 광추출효율이 개선된 수직구조 질화물 반도체 발광소자 |
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JP2007300069A (ja) * | 2006-04-04 | 2007-11-15 | Toyoda Gosei Co Ltd | 発光素子、この発光素子を用いた発光装置及びこの発光素子の製造方法 |
DE102007004303A1 (de) | 2006-08-04 | 2008-02-07 | Osram Opto Semiconductors Gmbh | Dünnfilm-Halbleiterbauelement und Bauelement-Verbund |
US20100224890A1 (en) * | 2006-09-18 | 2010-09-09 | Cree, Inc. | Light emitting diode chip with electrical insulation element |
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US20060145170A1 (en) | 2006-07-06 |
JP2006191103A (ja) | 2006-07-20 |
KR100638666B1 (ko) | 2006-10-30 |
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