JP2022553590A - 発光ダイオードを備えたアキシャル型光電子デバイス、及び、これを製造する方法 - Google Patents
発光ダイオードを備えたアキシャル型光電子デバイス、及び、これを製造する方法 Download PDFInfo
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- 230000005693 optoelectronics Effects 0.000 title claims abstract description 79
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- 230000000284 resting effect Effects 0.000 claims description 2
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- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 2
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 2
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 2
- 238000000927 vapour-phase epitaxy Methods 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
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- 239000010980 sapphire Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
- 好ましくは平坦な平行な表面16及び表面18を有する基板14、例えば半導体基板(表面18はワイヤの成長を有利にすべく処理されている。この処理は、基板14の表面18に、ワイヤの成長を有利にする材料で形成されたシード層20として図1に概略的に示されている)と、
- シード層20を覆って貫通開口部24を有する絶縁層22と、
- 平行な軸芯Cを有して、第1の導電型、例えばN型に少なくとも部分的にドープされたワイヤ26(2つのワイヤ26が図1に示されている)と、
- ワイヤ26毎にワイヤ26の最上部30を覆う頭部28と、
- ワイヤ26の側面を覆って頭部28の側面を部分的に覆う絶縁層32と、
- 絶縁層32を覆って頭部28と接している電極層34と
を備えている。
- ワイヤ26の最上部30を覆うアクティブ領域40と、
- アクティブ領域40を覆う半導体積層体42であって、ワイヤ26の導電型と反対の第2の導電型、例えばP型にドープされてアクティブ領域40を覆う半導体層44を有する半導体積層体42と
を有している。
- 基板14上にシード層20を形成する工程、
- シード層20上に絶縁層22を形成する工程、
- 絶縁層22に開口部24を形成し、シード層20の一部をワイヤ26の所望の位置で露出させる(開口部24の直径はワイヤ26の下側部分62の平均直径に実質的に相当する)工程、及び
- シード層20から開口部24にワイヤ26の下側部分62を成長させる工程
の後に得られた構造を示す。
Claims (18)
- 一又は複数の発光ダイオード(DEL) を備えており、
前記発光ダイオードは、三次元半導体素子(26)、前記三次元半導体素子に載置されているアクティブ領域(40)、及び前記アクティブ領域を覆う半導体層の積層体(42)を有しており、
前記アクティブ領域は複数の量子井戸(50)を有しており、
前記積層体は、複数の量子井戸と物理的に接している、光電子デバイス(55; 58; 60; 65)。 - 前記アクティブ領域(40)は、基部、側部(56)及び最上部(57)を有しており、
前記基部は前記三次元半導体素子(26)に載置されており、
前記量子井戸は、前記側部に露出した縁部を有しており、前記積層体(42)は前記側部及び前記最上部を覆っている、請求項1に記載の光電子デバイス。 - 前記アクティブ領域(40)は、前記基部が前記三次元半導体素子(26)に載置されている半頂角βの角錐又は角錐台の形状を有する、請求項2に記載の光電子デバイス。
- 前記半頂角βは0°より大きく、好ましくは5°~80°の範囲内であり、より好ましくは20°~30°の範囲内である、請求項3に記載の光電子デバイス。
- 前記半導体層の積層体(42)は、前記積層体の半導体層を形成する結晶材料の成長方向Cと平行な側壁を有している、請求項4に記載の光電子デバイス。
- 前記アクティブ領域(40)は、前記基部が前記三次元半導体素子(26)に載置されている筒の形状を有する、請求項2に記載の光電子デバイス。
- 前記三次元半導体素子(26)は平行な軸芯に沿って延びており、下側部分(62)と、前記下側部分に対して広がって半頂角αの円錐台内に内接している上側部分(64)とを有している、請求項1~6のいずれか1つに記載の光電子デバイス。
- 前記半頂角αは0°より大きく、好ましくは5°~50°の範囲内であり、より好ましくは5°~30°の範囲内である、請求項7に記載の光電子デバイス。
- 前記三次元半導体素子(26)の少なくとも一部がマイクロワイヤ、ナノワイヤ、又はマイクロメートルサイズ若しくはナノメートルサイズの錐台形素子である、請求項1~8のいずれか1つに記載の光電子デバイス。
- 前記三次元半導体素子(26)はIII-V 族化合物を含んでいる、請求項1~9のいずれか1つに記載の光電子デバイス。
- 前記三次元半導体素子(26)はN型にドープされている、請求項1~10のいずれか1つに記載の光電子デバイス。
- 前記積層体(42)は、P型にドープされたIII-V 族化合物で形成された半導体層(44)を有している、請求項11に記載の光電子デバイス。
- 前記積層体(42)は、少なくとも1つの電子遮断層を有している、請求項1~12のいずれか1つに記載の光電子デバイス。
- 各量子井戸(50)は、第1のIII 族元素、前記III-V 族化合物のV 族元素、及び第2のIII 族元素を含む三元合金を含んでいる、請求項10に記載の光電子デバイス。
- 3~10の量子井戸(50)を備えている、請求項1~14のいずれか1つに記載の光電子デバイス。
- 前記積層体(42)は、各量子井戸(50)と物理的に接している、請求項1~15のいずれか1つに記載の光電子デバイス。
- 一又は複数の発光ダイオード(DEL) を備えた光電子デバイス(55; 58; 60; 65)を製造する方法であって、
前記発光ダイオード毎に、三次元半導体素子(26)を形成し、前記三次元半導体素子に載置されるアクティブ領域(40)を形成し、前記アクティブ領域を覆う半導体層の積層体(42)を形成し、
前記アクティブ領域は複数の量子井戸(50)を有し、前記積層体は、複数の量子井戸と物理的に接する、方法。 - 前記三次元半導体素子(26)はIII-V 族化合物を含み、
各量子井戸(50)は、第1のIII 族元素、前記III-V 族化合物のV 族元素、及び第2のIII 族元素を含む三元合金を含み、
前記量子井戸は、前記III-V 族化合物を含む障壁層(52)によって隔てられ、
前記障壁層(52)を成長させるために、前記III-V 族化合物のIII 族元素の原子流束対前記V 族元素の原子流束の比が1未満である、請求項17に記載の方法。
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FR1906899A FR3098013B1 (fr) | 2019-06-25 | 2019-06-25 | Procédé de fabrication d'un dispositif optoélectronique à diodes électroluminescentes de type axial |
PCT/EP2020/067969 WO2020260548A1 (fr) | 2019-06-25 | 2020-06-25 | Dispositif optoélectronique à diodes électroluminescentes de type axial et son procédé de fabrication |
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US20230110324A1 (en) * | 2021-10-12 | 2023-04-13 | Google Llc | Optical devices with lateral current injection |
TWI796046B (zh) * | 2021-12-13 | 2023-03-11 | 國立中山大學 | 氮化銦鎵量子井製造方法 |
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US7132677B2 (en) * | 2004-02-13 | 2006-11-07 | Dongguk University | Super bright light emitting diode of nanorod array structure having InGaN quantum well and method for manufacturing the same |
TWI500072B (zh) * | 2004-08-31 | 2015-09-11 | Sophia School Corp | 發光元件之製造方法 |
JP5145120B2 (ja) * | 2008-05-26 | 2013-02-13 | パナソニック株式会社 | 化合物半導体発光素子およびそれを用いる照明装置ならびに化合物半導体発光素子の製造方法 |
US8143769B2 (en) * | 2008-09-08 | 2012-03-27 | Intematix Corporation | Light emitting diode (LED) lighting device |
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FR2984599B1 (fr) * | 2011-12-20 | 2014-01-17 | Commissariat Energie Atomique | Procede de fabrication d'un micro- ou nano- fil semiconducteur, structure semiconductrice comportant un tel micro- ou nano- fil et procede de fabrication d'une structure semiconductrice |
FR3000612B1 (fr) | 2012-12-28 | 2016-05-06 | Commissariat Energie Atomique | Dispositif optoelectronique a microfils ou nanofils |
FR3007574B1 (fr) * | 2013-06-21 | 2015-07-17 | Commissariat Energie Atomique | Procede de fabrication d'une structure semiconductrice et composant semiconducteur comportant une telle structure semiconductrice |
FR3020177B1 (fr) * | 2014-04-22 | 2016-05-13 | Commissariat Energie Atomique | Dispositif optoelectronique a rendement d'extraction lumineuse ameliore |
FR3026564B1 (fr) * | 2014-09-30 | 2018-02-16 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Dispositif optoelectronique a elements semiconducteurs tridimensionnels |
US11594657B2 (en) * | 2015-07-13 | 2023-02-28 | Crayonano As | Nanowires/nanopyramids shaped light emitting diodes and photodetectors |
FR3044470B1 (fr) * | 2015-11-30 | 2018-03-23 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Dispositif optoelectronique comportant des structures semiconductrices tridimensionnelles en configuration axiale |
FR3053531B1 (fr) * | 2016-06-30 | 2018-08-17 | Aledia | Dispositif optoelectronique a diodes tridimensionnelles |
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US20200388723A1 (en) * | 2019-06-07 | 2020-12-10 | Intel Corporation | Micro light-emitting diode display having truncated nanopyramid structures |
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