FI129359B - Diffractive grating - Google Patents
Diffractive grating Download PDFInfo
- Publication number
- FI129359B FI129359B FI20185294A FI20185294A FI129359B FI 129359 B FI129359 B FI 129359B FI 20185294 A FI20185294 A FI 20185294A FI 20185294 A FI20185294 A FI 20185294A FI 129359 B FI129359 B FI 129359B
- Authority
- FI
- Finland
- Prior art keywords
- waveguide
- grating
- different
- stack
- wavelengths
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 40
- 239000006185 dispersion Substances 0.000 claims abstract description 31
- 230000000737 periodic effect Effects 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 210000001747 pupil Anatomy 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 28
- 238000010168 coupling process Methods 0.000 description 15
- 238000005859 coupling reaction Methods 0.000 description 15
- 230000003287 optical effect Effects 0.000 description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 229910004205 SiNX Inorganic materials 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 230000005492 condensed matter physics Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
-
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
-
- 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
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- 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
- G02B27/10—Beam splitting or combining systems
- G02B27/1086—Beam splitting or combining systems operating by diffraction only
-
- 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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
- G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
- G02B5/1823—Plural gratings positioned on the same surface, e.g. array of gratings in an overlapping or superposed manner
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
- G02B5/1871—Transmissive phase gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/203—Filters having holographic or diffractive elements
-
- 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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- 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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
-
- 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/34—Optical coupling means utilising prism or grating
-
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
-
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
- G02B2027/0114—Head-up displays characterised by optical features comprising device for genereting colour display comprising dichroic elements
-
- 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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
- G02B2027/0174—Head mounted characterised by optical features holographic
-
- 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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- 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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4294—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect in multispectral systems, e.g. UV and visible
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20185294A FI129359B (en) | 2018-03-28 | 2018-03-28 | Diffractive grating |
| CA3095242A CA3095242A1 (en) | 2018-03-28 | 2019-02-25 | Diffractive grating |
| KR1020207023667A KR102733556B1 (ko) | 2018-03-28 | 2019-02-25 | 회절 격자 |
| EP19774459.2A EP3732530B1 (en) | 2018-03-28 | 2019-02-25 | Diffractive grating |
| US17/041,308 US12032182B2 (en) | 2018-03-28 | 2019-02-25 | Diffractive grating |
| JP2020545653A JP7587821B2 (ja) | 2018-03-28 | 2019-02-25 | 回折格子 |
| PCT/FI2019/050149 WO2019185975A1 (en) | 2018-03-28 | 2019-02-25 | Diffractive grating |
| SG11202008106PA SG11202008106PA (en) | 2018-03-28 | 2019-02-25 | Diffractive grating |
| CN201980010969.8A CN111670403B (zh) | 2018-03-28 | 2019-02-25 | 衍射光栅 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20185294A FI129359B (en) | 2018-03-28 | 2018-03-28 | Diffractive grating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI20185294A1 FI20185294A1 (en) | 2019-09-29 |
| FI129359B true FI129359B (en) | 2021-12-31 |
Family
ID=68060972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20185294A FI129359B (en) | 2018-03-28 | 2018-03-28 | Diffractive grating |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US12032182B2 (https=) |
| EP (1) | EP3732530B1 (https=) |
| JP (1) | JP7587821B2 (https=) |
| KR (1) | KR102733556B1 (https=) |
| CN (1) | CN111670403B (https=) |
| CA (1) | CA3095242A1 (https=) |
| FI (1) | FI129359B (https=) |
| SG (1) | SG11202008106PA (https=) |
| WO (1) | WO2019185975A1 (https=) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0718706D0 (en) | 2007-09-25 | 2007-11-07 | Creative Physics Ltd | Method and apparatus for reducing laser speckle |
| US11726332B2 (en) | 2009-04-27 | 2023-08-15 | Digilens Inc. | Diffractive projection apparatus |
| US9274349B2 (en) | 2011-04-07 | 2016-03-01 | Digilens Inc. | Laser despeckler based on angular diversity |
| WO2016020630A2 (en) | 2014-08-08 | 2016-02-11 | Milan Momcilo Popovich | Waveguide laser illuminator incorporating a despeckler |
| EP2842003B1 (en) | 2012-04-25 | 2019-02-27 | Rockwell Collins, Inc. | Holographic wide angle display |
| US9933684B2 (en) | 2012-11-16 | 2018-04-03 | Rockwell Collins, Inc. | Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration |
| WO2016042283A1 (en) | 2014-09-19 | 2016-03-24 | Milan Momcilo Popovich | Method and apparatus for generating input images for holographic waveguide displays |
| US10437064B2 (en) | 2015-01-12 | 2019-10-08 | Digilens Inc. | Environmentally isolated waveguide display |
| US9632226B2 (en) | 2015-02-12 | 2017-04-25 | Digilens Inc. | Waveguide grating device |
| WO2017060665A1 (en) | 2015-10-05 | 2017-04-13 | Milan Momcilo Popovich | Waveguide display |
| JP6895451B2 (ja) | 2016-03-24 | 2021-06-30 | ディジレンズ インコーポレイテッド | 偏光選択ホログラフィー導波管デバイスを提供するための方法および装置 |
| EP3548939A4 (en) | 2016-12-02 | 2020-11-25 | DigiLens Inc. | UNIFORM OUTPUT LIGHTING WAVEGUIDE DEVICE |
| US10545346B2 (en) | 2017-01-05 | 2020-01-28 | Digilens Inc. | Wearable heads up displays |
| JP7456929B2 (ja) | 2018-01-08 | 2024-03-27 | ディジレンズ インコーポレイテッド | 導波管セルを製造するためのシステムおよび方法 |
| JP7404243B2 (ja) | 2018-01-08 | 2023-12-25 | ディジレンズ インコーポレイテッド | 導波管セル内のホログラフィック格子の高スループット記録のためのシステムおよび方法 |
| CN114721242B (zh) | 2018-01-08 | 2025-08-15 | 迪吉伦斯公司 | 用于制造光学波导的方法 |
| FI128573B (en) * | 2018-03-28 | 2020-08-14 | Dispelix Oy | Waveguide display element |
| WO2020149956A1 (en) | 2019-01-14 | 2020-07-23 | Digilens Inc. | Holographic waveguide display with light control layer |
| US20200247017A1 (en) | 2019-02-05 | 2020-08-06 | Digilens Inc. | Methods for Compensating for Optical Surface Nonuniformity |
| EP3924759B1 (en) | 2019-02-15 | 2025-07-30 | Digilens Inc. | Methods and apparatuses for providing a holographic waveguide display using integrated gratings |
| US20220283377A1 (en) | 2019-02-15 | 2022-09-08 | Digilens Inc. | Wide Angle Waveguide Display |
| JP2022525165A (ja) | 2019-03-12 | 2022-05-11 | ディジレンズ インコーポレイテッド | ホログラフィック導波管バックライトおよび関連する製造方法 |
| EP3980825A4 (en) | 2019-06-07 | 2023-05-03 | Digilens Inc. | WAVEGUIDES WITH TRANSMITTING AND REFLECTING GRIDS AND RELATED MANUFACTURING PROCESSES |
| JP2022546413A (ja) | 2019-08-29 | 2022-11-04 | ディジレンズ インコーポレイテッド | 真空回折格子および製造方法 |
| WO2022150841A1 (en) * | 2021-01-07 | 2022-07-14 | Digilens Inc. | Grating structures for color waveguides |
| KR20230153459A (ko) | 2021-03-05 | 2023-11-06 | 디지렌즈 인코포레이티드. | 진공 주기적 구조체 및 제조 방법 |
| CN113485063A (zh) * | 2021-06-29 | 2021-10-08 | 歌尔股份有限公司 | 一种光机光路系统及其控制方法 |
| US20230359031A1 (en) * | 2022-05-09 | 2023-11-09 | Visera Technologies Company Limited | Waveguide structure and display device using the same |
| US12118951B2 (en) * | 2022-08-17 | 2024-10-15 | Ii-Vi Delaware, Inc. | Display system with optical device |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3623797A (en) * | 1970-02-06 | 1971-11-30 | Harold Albert Daw | Internally reflecting barrier control filtering apparatus |
| US4729640A (en) * | 1984-10-03 | 1988-03-08 | Canon Kabushiki Kaisha | Liquid crystal light modulation device |
| JPH01205106A (ja) * | 1988-02-10 | 1989-08-17 | Hitachi Ltd | グレーティングレンズ |
| WO2003025633A1 (en) | 2001-09-13 | 2003-03-27 | Asahi Glass Company, Limited | Diffraction device |
| KR20030088217A (ko) * | 2002-05-13 | 2003-11-19 | 삼성전자주식회사 | 배율 조정이 가능한 착용형 디스플레이 시스템 |
| JP4266732B2 (ja) | 2002-08-30 | 2009-05-20 | キヤノン株式会社 | 積層型回折光学素子 |
| CN100351927C (zh) | 2003-04-25 | 2007-11-28 | 旭硝子株式会社 | 衍射元件和光学头装置 |
| JP4487699B2 (ja) | 2004-09-14 | 2010-06-23 | 旭硝子株式会社 | 回折素子および光ピックアップ装置 |
| KR100615257B1 (ko) | 2004-10-05 | 2006-08-25 | 삼성에스디아이 주식회사 | 유기 전계 발광 표시 장치 및 이의 제조 방법 |
| JPWO2007069660A1 (ja) | 2005-12-15 | 2009-05-21 | 旭硝子株式会社 | 波長選択回折素子及び光ヘッド装置 |
| US7714368B2 (en) * | 2006-06-26 | 2010-05-11 | Aptina Imaging Corporation | Method and apparatus providing imager pixel array with grating structure and imager device containing the same |
| JP2008058777A (ja) * | 2006-09-01 | 2008-03-13 | Sony Corp | 光学装置及び画像表示装置 |
| JP2008203821A (ja) | 2007-01-22 | 2008-09-04 | Canon Inc | 積層型回折光学素子 |
| JP5151518B2 (ja) | 2008-02-07 | 2013-02-27 | ソニー株式会社 | 光学装置及び画像表示装置 |
| JP2012243378A (ja) * | 2011-05-24 | 2012-12-10 | Asahi Glass Co Ltd | 光学素子及び光ヘッド装置 |
| EP2855540B1 (en) | 2012-06-05 | 2018-04-04 | Empire Technology Development LLC | Physical colorants for plastics based on the christiansen effect |
| JP5496258B2 (ja) * | 2012-06-11 | 2014-05-21 | キヤノン株式会社 | 積層型回折光学素子および光学系 |
| US9933684B2 (en) | 2012-11-16 | 2018-04-03 | Rockwell Collins, Inc. | Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration |
| JP2014224846A (ja) * | 2013-05-15 | 2014-12-04 | セイコーエプソン株式会社 | 表示装置 |
| JP6187045B2 (ja) * | 2013-08-30 | 2017-08-30 | セイコーエプソン株式会社 | 光学デバイス及び画像表示装置 |
| US10677969B2 (en) * | 2013-11-27 | 2020-06-09 | Magic Leap, Inc. | Manufacturing for virtual and augmented reality systems and components |
| IL256276B (en) * | 2015-06-15 | 2022-09-01 | Magic Leap Inc | Display system with optical components for coupling multiple light streams |
| WO2017060665A1 (en) * | 2015-10-05 | 2017-04-13 | Milan Momcilo Popovich | Waveguide display |
| DE102015122055B4 (de) * | 2015-12-17 | 2018-08-30 | Carl Zeiss Ag | Optisches System sowie Verfahren zum Übertragen eines Quellbildes |
| US9904058B2 (en) | 2016-05-12 | 2018-02-27 | Magic Leap, Inc. | Distributed light manipulation over imaging waveguide |
| CN107632406A (zh) | 2016-07-18 | 2018-01-26 | 北京灵犀微光科技有限公司 | 全息波导、增强现实显示系统及显示方法 |
-
2018
- 2018-03-28 FI FI20185294A patent/FI129359B/en active IP Right Grant
-
2019
- 2019-02-25 JP JP2020545653A patent/JP7587821B2/ja active Active
- 2019-02-25 CN CN201980010969.8A patent/CN111670403B/zh active Active
- 2019-02-25 SG SG11202008106PA patent/SG11202008106PA/en unknown
- 2019-02-25 WO PCT/FI2019/050149 patent/WO2019185975A1/en not_active Ceased
- 2019-02-25 EP EP19774459.2A patent/EP3732530B1/en active Active
- 2019-02-25 US US17/041,308 patent/US12032182B2/en active Active
- 2019-02-25 CA CA3095242A patent/CA3095242A1/en active Pending
- 2019-02-25 KR KR1020207023667A patent/KR102733556B1/ko active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20200136887A (ko) | 2020-12-08 |
| JP7587821B2 (ja) | 2024-11-21 |
| KR102733556B1 (ko) | 2024-11-26 |
| US20210080628A1 (en) | 2021-03-18 |
| WO2019185975A1 (en) | 2019-10-03 |
| SG11202008106PA (en) | 2020-09-29 |
| EP3732530B1 (en) | 2023-07-26 |
| US12032182B2 (en) | 2024-07-09 |
| CA3095242A1 (en) | 2019-10-03 |
| EP3732530A4 (en) | 2021-09-15 |
| EP3732530C0 (en) | 2023-07-26 |
| FI20185294A1 (en) | 2019-09-29 |
| CN111670403B (zh) | 2022-04-08 |
| EP3732530A1 (en) | 2020-11-04 |
| JP2021516779A (ja) | 2021-07-08 |
| CN111670403A (zh) | 2020-09-15 |
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