JP7479279B2 - 発光デバイス及び発光ダイオードデバイス - Google Patents
発光デバイス及び発光ダイオードデバイス Download PDFInfo
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- 239000004038 photonic crystal Substances 0.000 claims description 47
- 230000010287 polarization Effects 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 238000002310 reflectometry Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000004065 semiconductor Substances 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 11
- 239000002131 composite material Substances 0.000 description 8
- 230000001186 cumulative effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910003087 TiOx Inorganic materials 0.000 description 2
- 208000013715 atelosteogenesis type I Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- HLLICFJUWSZHRJ-UHFFFAOYSA-N tioxidazole Chemical compound CCCOC1=CC=C2N=C(NC(=O)OC)SC2=C1 HLLICFJUWSZHRJ-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/002—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials
- G02B1/005—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials made of photonic crystals or photonic band gap materials
-
- 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
- H01L33/10—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 light reflecting structure, e.g. semiconductor Bragg reflector
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/1225—Basic optical elements, e.g. light-guiding paths comprising photonic band-gap structures or photonic lattices
-
- 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
- H01L33/26—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
-
- 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
- H01L33/36—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
-
- 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
- H01L33/36—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
- H01L33/42—Transparent materials
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
-
- 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
- H01L2933/0083—Periodic patterns for optical field-shaping in or on the semiconductor body or semiconductor body package, e.g. photonic bandgap structures
-
- 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
- H01L33/26—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
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Led Devices (AREA)
- Optical Elements Other Than Lenses (AREA)
- Luminescent Compositions (AREA)
Description
本出願は、2017年10月17日に出願された米国仮特許出願第62/573,382号、及び2018年10月15日に出願された「NANO-PHOTONICS REFLECTOR FOR LED EMITTERS」と題する米国特許出願第16/160,713号、及び2018年1月23日に出願された欧州特許出願第18152921.5号の利益を主張するものであり、これらの出願は、いずれも、引用により、あたかも完全に記載されているかのように本明細書に組み込まれている。
本発明は、発光ダイオード(LED)エミッタ用のナノフォトニクス反射器、より詳細には、入射光を完全に遮断するために分布ブラッグ反射器(DBR)の制限された反射率を改善する反射器構造に関する。
を有する。
ブルースター角(100%透過)は、
Claims (15)
- 第1の光と第2の光とを作動中に放出する発光半導体構造であって、前記第1の光はピーク波長及びTE偏光を有し、前記第2の光は前記ピーク波長及びTM偏光を有する、発光半導体構造と、
反射構造と、を備える発光デバイスであって、
前記反射構造は、
前記反射構造にTE偏光で入射する前記第1の光を反射するように構成された分布ブラッグ反射器(DBR)であって、前記DBRは前記第1の光に対して、前記反射構造にTM偏光で入射する前記第2の光に対してより大きい反射率を有する、DBR、及び、
前記反射構造にTM偏光で入射する前記第2の光を反射するように構成されたフォトニック結晶であって、前記フォトニック結晶は前記第2の光に対して前記第1の光に対してより大きい反射率を有し、前記フォトニック結晶は2Dフォトニック結晶若しくは3Dフォトニック結晶である、フォトニック結晶を有する、
発光デバイス。 - 複数のITO層をさらに有する、
請求項1記載の発光デバイス。 - 前記フォトニック結晶は2Dフォトニック結晶である、
請求項1記載の発光デバイス。 - 前記フォトニック結晶は材料対を含む、
請求項1記載の発光デバイス。 - 前記材料対はSiO2とTiO2とを含む、
請求項4記載の発光デバイス。 - 前記フォトニック結晶は3Dフォトニック結晶である、
請求項1記載の発光デバイス。 - 前記3Dフォトニック結晶は、垂直シリンダーバーを含む、
請求項6記載の発光デバイス。 - 前記3Dフォトニック結晶は、球体及び木材パイルのうち少なくとも1つを含む、
請求項6記載の発光デバイス。 - 底部金属反射器をさらに有する、
請求項1記載の発光デバイス。 - 前記底部金属反射器はAgフリーである、
請求項9記載の発光デバイス。 - 前記発光デバイスに隣り合って配置されるべき部材に結合すべき前記底部金属反射器は結合層として作用する、
請求項9記載の発光デバイス。 - 前記分布ブラッグ反射器と前記フォトニック結晶とは略同じ厚さを有する、
請求項1記載の発光デバイス。 - 発光ダイオードデバイス(LED)であって、
III/V直接バンドギャップ半導体として形成され、作動中に第1の光と第2の光とを放出する半導体層であって、前記第1の光はピーク波長及びTE偏光を有し、前記第2の光は前記ピーク波長及びTM偏光を有する、半導体層と、
反射構造と、を備え、
前記反射構造は、
前記反射構造にTE偏光で入射する前記第1の光を高度に反射するように構成された分布ブラッグ反射器(DBR)であって、前記DBRは前記第1の光に対して、前記反射構造にTM偏光で入射する第2の光に対してより大きい反射率を有する、DBRと、
前記反射構造にTM偏光で入射する前記第2の光を高度に反射するように構成されたフォトニック結晶であって、前記フォトニック結晶は前記第2の光に対して前記第1の光に対してより大きい反射率を有し、前記フォトニック結晶は2Dフォトニック結晶若しくは3Dフォトニック結晶である、フォトニック結晶と、を有し、
前記発光ダイオードデバイスはさらに、
複数のITO層と、
Agフリーであり、前記発光ダイオードデバイスに隣り合って配置されるべき部材に結合すべき結合層である底部金属反射器と、を備え、
前記半導体層上に前記ITO層、前記反射構造、前記底部金属反射器が順に配置されている、
発光ダイオードデバイス。 - 前記底部金属反射器はAuを含む、
請求項13記載の発光ダイオードデバイス。 - 前記フォトニック結晶は、3Dフォトニック結晶である、
請求項13記載の発光ダイオードデバイス。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762573382P | 2017-10-17 | 2017-10-17 | |
US62/573,382 | 2017-10-17 | ||
EP18152921 | 2018-01-23 | ||
EP18152921.5 | 2018-01-23 | ||
US16/160,713 US11024767B2 (en) | 2017-10-17 | 2018-10-15 | Nano-photonics reflector for LED emitters |
US16/160,713 | 2018-10-15 | ||
PCT/US2018/056062 WO2019079282A1 (en) | 2017-10-17 | 2018-10-16 | NANOPHOTONIC REFLECTOR FOR LED TRANSMITTERS |
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JP2020537823A JP2020537823A (ja) | 2020-12-24 |
JP7479279B2 true JP7479279B2 (ja) | 2024-05-08 |
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US (3) | US11024767B2 (ja) |
EP (1) | EP3698414B1 (ja) |
JP (1) | JP7479279B2 (ja) |
KR (1) | KR102357225B1 (ja) |
CN (1) | CN111466035B (ja) |
TW (1) | TWI808104B (ja) |
WO (1) | WO2019079282A1 (ja) |
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US11024767B2 (en) | 2017-10-17 | 2021-06-01 | Lumileds Llc | Nano-photonics reflector for LED emitters |
CN111969085A (zh) * | 2020-09-14 | 2020-11-20 | 南京邮电大学 | 一种基于图形化衬底的led及其制备方法 |
US20230361534A1 (en) | 2022-05-06 | 2023-11-09 | Nexus Photonics, Inc. | Heterogeneous gan lasers and active components |
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- 2018-10-16 WO PCT/US2018/056062 patent/WO2019079282A1/en unknown
- 2018-10-16 EP EP18795915.0A patent/EP3698414B1/en active Active
- 2018-10-16 CN CN201880081642.5A patent/CN111466035B/zh active Active
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US20230197894A1 (en) | 2023-06-22 |
JP2020537823A (ja) | 2020-12-24 |
CN111466035B (zh) | 2024-02-06 |
KR20200065072A (ko) | 2020-06-08 |
US11024767B2 (en) | 2021-06-01 |
EP3698414A1 (en) | 2020-08-26 |
TWI808104B (zh) | 2023-07-11 |
WO2019079282A1 (en) | 2019-04-25 |
CN111466035A (zh) | 2020-07-28 |
EP3698414B1 (en) | 2021-12-22 |
US20210328101A1 (en) | 2021-10-21 |
US20190115496A1 (en) | 2019-04-18 |
KR102357225B1 (ko) | 2022-02-08 |
US11532766B2 (en) | 2022-12-20 |
TW201926739A (zh) | 2019-07-01 |
US11949041B2 (en) | 2024-04-02 |
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