JP2016048785A - 電流拡散層を有する発光ダイオードチップ - Google Patents
電流拡散層を有する発光ダイオードチップ Download PDFInfo
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 26
- 239000004065 semiconductor Substances 0.000 claims abstract description 80
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- 230000005670 electromagnetic radiation Effects 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 23
- 239000002019 doping agent Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000031700 light absorption Effects 0.000 abstract description 6
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 166
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000010409 thin film Substances 0.000 description 4
- 239000002800 charge carrier Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000004047 hole gas Substances 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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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
- H01L33/02—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
- H01L33/14—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 carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure
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- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/10—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by potential barriers, e.g. phototransistors
- H01L31/101—Devices sensitive to infrared, visible or ultraviolet radiation
- H01L31/112—Devices sensitive to infrared, visible or ultraviolet radiation characterised by field-effect operation, e.g. junction field-effect phototransistor
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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
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
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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
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/305—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table characterised by the doping materials
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- H01L33/40—Materials therefor
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- H01L33/58—Optical field-shaping elements
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- 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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Abstract
Description
Claims (14)
- リン化物化合物半導体材料を含んでいる半導体積層体(5)を備えた発光ダイオードチップであって、前記半導体積層体(5)が
− p型半導体領域(2)と、
− n型半導体領域(4)と、
− 前記p型半導体領域(2)と前記n型半導体領域(4)との間に配置されており、電磁放射を放出する役割を果たす活性層(3)と、
を含んでおり、
前記n型半導体領域(4)が前記発光ダイオードチップの放射出口領域(6)の側にあり、前記p型半導体領域(2)が前記発光ダイオードチップのキャリア(7)の側にある、発光ダイオードチップにおいて、
前記キャリア(7)と前記p型半導体領域(2)との間に、500nm未満の厚さを有する電流拡散層(1)が配置されており、前記電流拡散層が、1層または複数層のp型にドープされたAlxGa1−xAs層(0.5<x≦1)層を有し、
InxGayAl1−x−yAs(0≦x≦1、0≦y≦1、x+y≦1)からなる少なくとも1層が、前記電流拡散層(1)に隣接しており、前記少なくとも1層が、前記電流拡散層(1)よりも小さいバンドギャップと、より低いドーパント濃度とを有することを特徴とする、
発光ダイオードチップ。 - 前記電流拡散層(1)が、300nm未満の厚さを有する、
請求項1に記載の発光ダイオードチップ。 - 前記電流拡散層(1)のアルミニウムの割合xについて、0.6≦x≦0.8が成り立つ、
請求項1または請求項2に記載の発光ダイオードチップ。 - 前記電流拡散層(1)が、1×1019cm−3より高いドーパント濃度を有する、
請求項1から請求項3のいずれかに記載の発光ダイオードチップ。 - 前記電流拡散層(1)が、少なくとも5×1019cm−3のドーパント濃度を有する、
請求項1から請求項4のいずれかに記載の発光ダイオードチップ。 - 前記電流拡散層(1)がCによってドープされている、
請求項1から請求項5のいずれかに記載の発光ダイオードチップ。 - 側端面(11)を含んだ前記電流拡散層(1)に封止層(8)が設けられている、
請求項1から請求項6のいずれかに記載の発光ダイオードチップ。 - 前記封止層(8)が、酸化ケイ素、窒化ケイ素、酸化亜鉛、または金属を含んでいる、
請求項7に記載の発光ダイオードチップ。 - 前記電流拡散層(1)が傾斜側端面(12)を有し、前記傾斜側端面が、前記電流拡散層(1)の層平面に対して20゜〜70゜の範囲内(両端値を含む)の角度だけ傾いている、
請求項1から請求項8のいずれかに記載の発光ダイオードチップ。 - 前記電流拡散層(1)に少なくとも1本の溝(13)が形成されている、
請求項1から請求項9のいずれかに記載の発光ダイオードチップ。 - 前記少なくとも1本の溝(13)が、窒化ケイ素、酸化ケイ素、酸化亜鉛、または金属によって満たされている、
請求項10に記載の発光ダイオードチップ。 - 前記少なくとも1本の溝(13)が前記p型半導体領域(2)の中まで達している、
請求項10または請求項11に記載の発光ダイオードチップ。 - 前記半導体積層体(5)から成長基板が分離されており、前記キャリア(7)が、前記半導体積層体(5)の成長基板とは異なる、
請求項1から請求項12のいずれかに記載の発光ダイオードチップ。 - 前記キャリア(7)が、シリコン、モリブデン、またはゲルマニウムを含んでいる、
請求項13に記載の発光ダイオードチップ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010014667.6 | 2010-04-12 | ||
DE102010014667A DE102010014667A1 (de) | 2010-04-12 | 2010-04-12 | Leuchtdiodenchip mit Stromaufweitungsschicht |
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JP2013504213A Division JP5943904B2 (ja) | 2010-04-12 | 2011-04-08 | 電流拡散層を有する発光ダイオードチップ |
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JP2016048785A true JP2016048785A (ja) | 2016-04-07 |
JP6124973B2 JP6124973B2 (ja) | 2017-05-10 |
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JP2015206284A Active JP6124973B2 (ja) | 2010-04-12 | 2015-10-20 | 電流拡散層を有する発光ダイオードチップ |
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US (2) | US20130126920A1 (ja) |
EP (2) | EP3131127B1 (ja) |
JP (2) | JP5943904B2 (ja) |
KR (1) | KR20130060189A (ja) |
CN (2) | CN102834937B (ja) |
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WO (1) | WO2011128277A1 (ja) |
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DE102010014667A1 (de) * | 2010-04-12 | 2011-10-13 | Osram Opto Semiconductors Gmbh | Leuchtdiodenchip mit Stromaufweitungsschicht |
DE102013100818B4 (de) * | 2013-01-28 | 2023-07-27 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronischer Halbleiterchip und Verfahren zur Herstellung eines optoelektronischen Halbleiterchips |
EP2903027B1 (de) | 2014-01-30 | 2018-08-22 | AZUR SPACE Solar Power GmbH | LED-Halbleiterbauelement |
JP2016054260A (ja) | 2014-09-04 | 2016-04-14 | 株式会社東芝 | 半導体発光素子 |
DE102015011635B4 (de) | 2015-09-11 | 2020-10-08 | Azur Space Solar Power Gmbh | lnfrarot-LED |
DE102015118041A1 (de) * | 2015-10-22 | 2017-04-27 | Osram Opto Semiconductors Gmbh | Leuchtdiodenchip und Verfahren zur Herstellung eines Leuchtdiodenchips |
DE102017101637A1 (de) * | 2017-01-27 | 2018-08-02 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip |
DE102017104144B9 (de) * | 2017-02-28 | 2022-03-10 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Verfahren zur Herstellung von Leuchtdioden |
TWI635626B (zh) * | 2017-10-19 | 2018-09-11 | 友達光電股份有限公司 | 發光裝置 |
US11569415B2 (en) | 2020-03-11 | 2023-01-31 | Lumileds Llc | Light emitting diode devices with defined hard mask opening |
US11942507B2 (en) | 2020-03-11 | 2024-03-26 | Lumileds Llc | Light emitting diode devices |
US11848402B2 (en) | 2020-03-11 | 2023-12-19 | Lumileds Llc | Light emitting diode devices with multilayer composite film including current spreading layer |
US20210288222A1 (en) * | 2020-03-11 | 2021-09-16 | Lumileds Llc | Light Emitting Diode Devices With Common Electrode |
US11735695B2 (en) | 2020-03-11 | 2023-08-22 | Lumileds Llc | Light emitting diode devices with current spreading layer |
CN113793887A (zh) * | 2021-08-24 | 2021-12-14 | 天津三安光电有限公司 | Led外延结构及其制备方法、led芯片及其制备方法 |
CN116978999B (zh) * | 2023-09-22 | 2024-01-02 | 南昌凯捷半导体科技有限公司 | 一种电流限域Micro-LED芯片及其制作方法 |
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2011
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- 2011-04-08 US US13/640,037 patent/US20130126920A1/en not_active Abandoned
- 2011-04-08 EP EP16181773.9A patent/EP3131127B1/de active Active
- 2011-04-08 EP EP11714027.7A patent/EP2559076B1/de active Active
- 2011-04-08 CN CN201510504954.0A patent/CN105206731B/zh active Active
- 2011-04-08 WO PCT/EP2011/055566 patent/WO2011128277A1/de active Application Filing
- 2011-04-08 KR KR1020127029623A patent/KR20130060189A/ko not_active Application Discontinuation
- 2011-04-08 JP JP2013504213A patent/JP5943904B2/ja active Active
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2015
- 2015-08-19 US US14/830,616 patent/US9853188B2/en active Active
- 2015-10-20 JP JP2015206284A patent/JP6124973B2/ja active Active
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Also Published As
Publication number | Publication date |
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EP2559076B1 (de) | 2016-09-21 |
JP2013524547A (ja) | 2013-06-17 |
WO2011128277A1 (de) | 2011-10-20 |
EP3131127A1 (de) | 2017-02-15 |
CN105206731B (zh) | 2018-01-19 |
CN102834937B (zh) | 2015-08-26 |
EP3131127B1 (de) | 2018-01-31 |
JP6124973B2 (ja) | 2017-05-10 |
KR20130060189A (ko) | 2013-06-07 |
CN102834937A (zh) | 2012-12-19 |
US9853188B2 (en) | 2017-12-26 |
EP2559076A1 (de) | 2013-02-20 |
CN105206731A (zh) | 2015-12-30 |
DE102010014667A1 (de) | 2011-10-13 |
US20130126920A1 (en) | 2013-05-23 |
JP5943904B2 (ja) | 2016-07-05 |
US20150357516A1 (en) | 2015-12-10 |
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