JP2010147463A - 複数の発光セルを有する発光ダイオード及びその製造方法 - Google Patents
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- 238000004020 luminiscence type Methods 0.000 title abstract 6
- 239000004065 semiconductor Substances 0.000 claims abstract description 108
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 23
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 12
- 238000005268 plasma chemical vapour deposition Methods 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 8
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- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 7
- 229910052737 gold Inorganic materials 0.000 description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
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- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- -1 gallium nitride compound Chemical class 0.000 description 1
- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—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
- H01L24/18—High density interconnect [HDI] connectors; Manufacturing methods related thereto
- H01L24/23—Structure, shape, material or disposition of the high density interconnect connectors after the connecting process
- H01L24/24—Structure, shape, material or disposition of the high density interconnect connectors after the connecting process of an individual high density interconnect connector
-
- 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
- H01L2224/18—High density interconnect [HDI] connectors; Manufacturing methods related thereto
- H01L2224/23—Structure, shape, material or disposition of the high density interconnect connectors after the connecting process
- H01L2224/24—Structure, shape, material or disposition of the high density interconnect connectors after the connecting process of an individual high density interconnect connector
- H01L2224/241—Disposition
- H01L2224/24135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/24137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
-
- 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
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/82—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected by forming build-up interconnects at chip-level, e.g. for high density interconnects [HDI]
- H01L2224/82909—Post-treatment of the connector or the bonding area
- H01L2224/82951—Forming additional members
-
- 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
- H01L2924/1204—Optical Diode
- H01L2924/12041—LED
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/50—Wavelength conversion elements
- H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
Abstract
【解決手段】同一基板上に互いに分離した複数の発光セルを形成し、発光セルは、下部半導体層と、下部半導体層の一部領域上に位置する上部半導体層と、下部半導体層と上部半導体層との間に配置された活性層と、をそれぞれ含み、複数の発光セルの全面を覆う第1の絶縁層を形成し、第1の絶縁層は、下部半導体層の他の領域上及び上部半導体層上に形成された開口部を有し、第1の絶縁層上に開口部を介して隣接する発光セルを電気的に接続する配線を形成し、第1の絶縁層及び配線を覆う第2の絶縁層を形成することを含み、第1の絶縁層及び第2の絶縁層は同一の材質で形成され、第1の絶縁層は、第2の絶縁層に比べて厚いことを特徴とする発光ダイオード製造方法が提供される。
【選択図】図1
Description
AVING LIGHT―EMITTING ELEMENTS)という発明の名称で酒井らの特許文献1に開示されている。
ドは、発光ダイオードチップの製造工程と別に、パッケージング工程で蛍光物質を含有する色変換物質層が形成されるので、発光ダイオードのパッケージング工程を複雑にし、パッケージング工程における不良率を高くする。パッケージング工程の不良は、発光ダイオードチップ製造工程の不良に比べて相当大きな費用損失をもたらす。
形成された層であることが望ましく、同一の形成温度で形成された層であることがより望ましい。
例えば、マグネシウム(Mg)をドーピングして形成してもよい。
絶縁層63と同一の材質、例えば、シリコン酸化膜又はシリコン窒化膜で形成され、プラズマCVDを用いて200〜300℃の温度範囲で形成してもよい。特に、第2の絶縁層67は、第1の絶縁層63の形成温度に対して−20%〜+20%の温度範囲内で形成されることが望ましい。
Claims (14)
- 同一基板上に互いに分離した複数の発光セルを形成し、前記発光セルは、下部半導体層と、前記下部半導体層の一部領域上に位置する上部半導体層と、前記下部半導体層と前記上部半導体層との間に配置された活性層と、をそれぞれ含み、
前記複数の発光セルの全面を覆う第1の絶縁層を形成し、前記第1の絶縁層は、前記下部半導体層の他の領域上及び前記上部半導体層上に形成された開口部を有し、
前記第1の絶縁層上に前記開口部を介して隣接する発光セルを電気的に接続する配線を形成し、
前記第1の絶縁層及び前記配線を覆う第2の絶縁層を形成することを含み、
前記第1の絶縁層及び前記第2の絶縁層は同一の材質で形成され、
前記第1の絶縁層は、前記第2の絶縁層に比べて厚いことを特徴とする発光ダイオード製造方法。 - 前記第1の絶縁層は4500Å〜1μmの範囲の厚さを有し、前記第2の絶縁層は500Åより厚いことを特徴とする請求項1に記載の発光ダイオード製造方法。
- 前記第1の絶縁層及び前記第2の絶縁層は、プラズマCVD法により200〜300℃の温度で形成したシリコン酸化膜であることを特徴とする請求項2に記載の発光ダイオード製造方法。
- 前記第2の絶縁層は、前記第1の絶縁層の形成温度の−20%〜+20%の範囲の温度で形成したシリコン酸化膜であることを特徴とする請求項3に記載の発光ダイオード製造方法。
- 前記配線は、前記第1の絶縁層に接する下部層及び前記第2の絶縁層に接する上部層を含み、前記下部層はCr層又はTi層あり、且つ、前記上部層はCr層又はTi層であることを特徴とする請求項2に記載の発光ダイオード製造方法。
- 前記第2の絶縁層を形成する前に、前記配線と前記第1の絶縁層との界面接着特性を改善するために前記配線を熱処理することをさらに含むことを特徴とする請求項5に記載の発光ダイオード製造方法。
- 前記配線は300〜500℃の温度範囲で熱処理されることを特徴とする請求項6に記載の発光ダイオード製造方法。
- 前記第1の絶縁層及び前記第2の絶縁層は、プラズマCVD法で形成されたシリコン酸化膜である請求項2に記載の発光ダイオード製造方法。
- 前記第1の絶縁層及び前記第2の絶縁層はポリマーで形成されることを特徴とする請求項1に記載の発光ダイオード製造方法。
- 前記第2の絶縁層は蛍光体を含有することを特徴とする請求項9に記載の発光ダイオード製造方法。
- 前記第2の絶縁層上に蛍光体層を形成することをさらに含むことを特徴とする請求項1に記載の発光ダイオード製造方法。
- 前記複数の発光セルの形成は、前記上部半導体層上に透明電極層を形成することをさらに含むことを特徴とする請求項1に記載の発光ダイオード製造方法。
- 前記透明電極層は500〜800℃の温度で熱処理されることを特徴とする請求項12に記載の発光ダイオード製造方法。
- 前記透明電極層は、前記上部半導体層を露出する開口部を有するように形成され、
前記配線は前記透明電極層の前記開口部を充填する請求項12に記載の発光ダイオード製造方法。
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KR1020080128522A KR20100076083A (ko) | 2008-12-17 | 2008-12-17 | 복수개의 발광셀들을 갖는 발광 다이오드 및 그것을 제조하는 방법 |
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EP (2) | EP2200085B1 (ja) |
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KR101017395B1 (ko) * | 2008-12-24 | 2011-02-28 | 서울옵토디바이스주식회사 | 복수개의 발광셀들을 갖는 발광 소자 및 그것을 제조하는 방법 |
KR101533817B1 (ko) | 2008-12-31 | 2015-07-09 | 서울바이오시스 주식회사 | 복수개의 비극성 발광셀들을 갖는 발광 소자 및 그것을 제조하는 방법 |
KR101557362B1 (ko) * | 2008-12-31 | 2015-10-08 | 서울바이오시스 주식회사 | 복수개의 비극성 발광셀들을 갖는 발광 소자 및 그것을 제조하는 방법 |
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EP2367203A1 (en) * | 2010-02-26 | 2011-09-21 | Samsung LED Co., Ltd. | Semiconductor light emitting device having multi-cell array and method for manufacturing the same |
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TWI483381B (zh) | 2015-05-01 |
US7709849B1 (en) | 2010-05-04 |
US20100151604A1 (en) | 2010-06-17 |
CN101752399B (zh) | 2013-05-22 |
EP2200086B1 (en) | 2015-02-25 |
TW201025558A (en) | 2010-07-01 |
KR20100076083A (ko) | 2010-07-06 |
US7846755B2 (en) | 2010-12-07 |
EP2200086A1 (en) | 2010-06-23 |
JP5706082B2 (ja) | 2015-04-22 |
EP2200085A1 (en) | 2010-06-23 |
JP2010147462A (ja) | 2010-07-01 |
EP2200085B1 (en) | 2014-07-16 |
CN101752399A (zh) | 2010-06-23 |
JP4663810B2 (ja) | 2011-04-06 |
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