KR20020000142A - 발광 소자 - Google Patents
발광 소자 Download PDFInfo
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- KR20020000142A KR20020000142A KR1020017010648A KR20017010648A KR20020000142A KR 20020000142 A KR20020000142 A KR 20020000142A KR 1020017010648 A KR1020017010648 A KR 1020017010648A KR 20017010648 A KR20017010648 A KR 20017010648A KR 20020000142 A KR20020000142 A KR 20020000142A
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- Prior art keywords
- electrode
- submount
- led
- light
- solder
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- 229910000679 solder Inorganic materials 0.000 claims description 81
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- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 claims description 2
- 239000003989 dielectric material Substances 0.000 claims 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 claims 1
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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
- H01L33/48—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 body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- 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
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- 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
- H01L33/405—Reflective materials
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
- G09G2360/147—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel
- G09G2360/148—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel the light being detected by light detection means within each pixel
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
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- H01L24/02—Bonding areas ; Manufacturing methods related thereto
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- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
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- H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
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- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
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- 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
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- H01L33/48—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 body packages
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- H01L33/641—Heat extraction or cooling elements characterized by the materials
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- H01L33/48—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 body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/647—Heat extraction or cooling elements the elements conducting electric current to or from the semiconductor body
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Abstract
Description
Claims (28)
- 발광 소자로서,활성 영역을 포함하는 제 1 발광 유닛과 n 및 p 접촉층을 갖는 Ⅲ-질화물 재료의 헤테로 구조체와,상기 p 접촉층에 부착된 불투명 p 전극과,상기 n 접촉층에 부착되어 있으며, 상기 p 전극을 간삽하는(interposing) n 전극과,상기 p 전극에 부착된 p 솔더 인터페이스와 상기 n 전극에 부착된 n 솔더 인터페이스를 포함하고,상기 솔더 인터페이스의 측단면 면적은 p 전극 면적의 15%인 발광 소자.
- 제 1 항에 있어서,상기 p 및 n 솔더 인터페이스 중 한 부분을 덮는 유전체 재료를 더 포함하는 발광 소자.
- 제 1 항에 있어서,상기 p 및 n 솔더 인터페이스 중 한 부분의 주변을 덮는 유전체 재료를 더포함하는 발광 소자.
- 제 1 항에 있어서,상기 p 및 n 전극과 상기 대응하는 솔더 인터페이스 중 하나를 간삽하는 장벽층을 더 포함하는 발광 소자.
- 제 1 항에 있어서,상기 p 및 n 전극 중 하나의 일부를 덮는 금속간 유전 재료를 더 포함하는 발광 소자.
- 제 1 항에 있어서,상기 활성 영역의 면적은 0.16mm2보다 큰 발광 소자.
- 제 1 항에 있어서,상기 p 전극은 25% 미만의 흡광률을 갖는 발광 소자.
- 제 7 항에 있어서,상기 p 전극은 Ni 및 Ag로 이루어지는 발광 소자.
- 제 7 항에 있어서,상기 p 전극은 Au, NiOx, Al로 이루어지는 발광 소자.
- 제 1 항에 있어서,헤테로 구조체를 포함하는 상기 층들 중 적어도 하나는 텍스처되는(textured) 발광 소자.
- 제 1 항에 있어서,상기 p 전극의 특정 접촉 저항률은 10-2Ωcm2미만인 발광 소자.
- 제 1 항에 있어서,상기 솔더 인터페이스를 통해 상기 헤테로 구조에 전기적으로 접속된 서브마운트를 더 포함하는 발광 소자.
- 제 12 항에 있어서,상기 서브마운트는 실리콘인 발광 소자.
- 제 12 항에 있어서,상기 서브마운트는 상기 발광 소자의 p-n 접합부와 반평행하게 전기적으로 접속된 적어도 하나의 다이오드로 이루어진 회로를 포함하는 발광 소자.
- 제 12 항에 있어서,상기 서브마운트는 상기 발광 소자로부터 방출된 광의 경로 내에 적어도 하나의 광 다이오드로 이루어진 회로를 포함하는 발광 소자.
- 제 12 항에 있어서,상기 서브마운트는 6각형, 원, 사각형, 8각형을 포함하는 그룹으로부터 선택된 형상을 갖는 발광 소자.
- 제 12 항에 있어서,상기 Ⅲ족-질화물 헤테로 구조체 상에 위치된 제 2 발광 유닛을 더 포함하고,상기 Ⅲ족-질화물 헤테로 구조체는 트렌치를 더 포함하고,상기 제 1 및 제 2 발광 유닛은 상기 트렌치의 반대편에 위치하며 전기적으로 직렬로 접속되는 발광 소자.
- 발광 소자로서,최대 방사 파장을 갖는 활성 영역을 포함하며, n 접촉층 및 p 접촉층을 포함하는 Ⅲ족-질화물 재료의 헤테로 구조체와,상기 p 접촉층에 부착된 p 전극과 n 접촉층에 부착된 n 전극과,굴절률이 1.8보다 크며 상기 헤테로 구조체에 부착된 수퍼스트레이트(superstrate)를 포함하는 발광 소자.
- 제 18 항에 있어서,상기 수퍼스트레이트는 상기 최대 방사 파장에서 흡광률이 3cm-1미만인 발광 소자.
- 제 18 항에 있어서,상기 p 전극은 25% 미만의 흡광률을 갖는 발광 소자.
- 제 18 항에 있어서,상기 헤테로 구조체를 포함하는 층들 중 적어도 하나는 텍스처되는(textured) 발광 소자.
- 제 18 항에 있어서,상기 수퍼스트레이트는 SiC, ZnO, YAG, ZnSe, ZnS, 지르코니아(zirconia), 다이아몬드, CdS를 포함하는 그룹으로부터 선택되는 발광 소자.
- 제 22 항에 있어서,상기 수퍼스트레이트는 SiC이며, 0.5Ωcm 미만을 저항률을 갖는 발광 소자.
- 제 18 항에 있어서,상기 수퍼스트레이트의 적어도 한 표면은 거칠게 되는 발광 소자.
- 제 18 항에 있어서,상기 수퍼스트레이트의 상부면의 면적은 상기 수퍼스트레이트의 바닥 표면의 면적보다 더 큰 발광 소자.
- 발광 소자로서,최대 방사 파장을 갖는 활성 영역을 포함하며, n 접촉층 및 p 접촉층을 포함하는 Ⅲ족-질화물 재료의 헤테로 구조체와,흡광률이 25% 미만이며 상기 p 접촉층에 부착되는 p 전극과 상기 n 접촉층에 부착되는 n 전극과,중심이 상기 p 전극에 대해 대략 상기 최대 방사 파장의 1/4 파장의 홀수배의 거리에 위치하는 활성 영역을 포함하는 발광 소자.
- 제 26 항에 있어서,상기 활성 영역의 중심과 상기 p 전극 사이의 거리는 상기 최대 방사 파장의 약 1/4인 발광 소자.
- 제 27 항에 있어서,상기 활성 영역의 중심과 상기 p 전극 사이의 거리는 약 500Å인 발광 소자.
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- 2000-12-07 KR KR1020017010648A patent/KR100843787B1/ko active IP Right Grant
- 2000-12-07 EP EP00984091.9A patent/EP1159766B1/en not_active Expired - Lifetime
- 2000-12-07 AU AU20769/01A patent/AU2076901A/en not_active Abandoned
- 2000-12-07 WO PCT/US2000/033366 patent/WO2001047036A1/en active Application Filing
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2002
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101138861B1 (ko) * | 2003-10-01 | 2012-05-14 | 삼성전자주식회사 | 발광소자의 본딩 구조체 및 이를 이용한 본딩방법 |
KR101138945B1 (ko) * | 2005-01-29 | 2012-04-25 | 서울옵토디바이스주식회사 | 복수개의 발광셀들을 갖는 발광 소자 및 그것을 탑재한패키지 |
KR100721150B1 (ko) * | 2005-11-24 | 2007-05-22 | 삼성전기주식회사 | 수직 구조 질화갈륨계 발광다이오드 소자 |
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KR100843787B1 (ko) | 2008-07-03 |
EP1159766A1 (en) | 2001-12-05 |
JP5354828B2 (ja) | 2013-11-27 |
US6844571B2 (en) | 2005-01-18 |
WO2001047036A1 (en) | 2001-06-28 |
JP2001203386A (ja) | 2001-07-27 |
EP1159766B1 (en) | 2017-08-02 |
US6521914B2 (en) | 2003-02-18 |
US20020171087A1 (en) | 2002-11-21 |
US20020070386A1 (en) | 2002-06-13 |
AU2076901A (en) | 2001-07-03 |
US6486499B1 (en) | 2002-11-26 |
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