CA3063060A1 - Dispositifs contenant un module de luminophore distant avec des luminophores emettant une ligne rouge et des points quantiques emettant une lumiere verte - Google Patents
Dispositifs contenant un module de luminophore distant avec des luminophores emettant une ligne rouge et des points quantiques emettant une lumiere verte Download PDFInfo
- Publication number
- CA3063060A1 CA3063060A1 CA3063060A CA3063060A CA3063060A1 CA 3063060 A1 CA3063060 A1 CA 3063060A1 CA 3063060 A CA3063060 A CA 3063060A CA 3063060 A CA3063060 A CA 3063060A CA 3063060 A1 CA3063060 A1 CA 3063060A1
- Authority
- CA
- Canada
- Prior art keywords
- backlight unit
- combinations
- phosphor
- quantum dot
- remote phosphor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000002096 quantum dot Substances 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 28
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 9
- 239000011159 matrix material Substances 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 7
- 229910052738 indium Inorganic materials 0.000 claims abstract description 7
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 7
- 229910052701 rubidium Inorganic materials 0.000 claims abstract description 7
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 7
- 229910052718 tin Inorganic materials 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 229910052688 Gadolinium Inorganic materials 0.000 claims abstract description 6
- 229910052792 caesium Inorganic materials 0.000 claims abstract description 6
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 6
- 229910052706 scandium Inorganic materials 0.000 claims abstract description 6
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 6
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 11
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 2
- 229910020440 K2SiF6 Inorganic materials 0.000 claims 3
- 239000004065 semiconductor Substances 0.000 claims 2
- 239000004973 liquid crystal related substance Substances 0.000 description 15
- 239000010408 film Substances 0.000 description 13
- -1 fluoride ions Chemical class 0.000 description 9
- 239000003446 ligand Substances 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 7
- 229910004074 SiF6 Inorganic materials 0.000 description 5
- 229910004613 CdTe Inorganic materials 0.000 description 4
- 101100396546 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) tif-6 gene Proteins 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- YBNMDCCMCLUHBL-UHFFFAOYSA-N (2,5-dioxopyrrolidin-1-yl) 4-pyren-1-ylbutanoate Chemical compound C=1C=C(C2=C34)C=CC3=CC=CC4=CC=C2C=1CCCC(=O)ON1C(=O)CCC1=O YBNMDCCMCLUHBL-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- 229910017115 AlSb Inorganic materials 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 2
- 229910005540 GaP Inorganic materials 0.000 description 2
- 229910005542 GaSb Inorganic materials 0.000 description 2
- 229910004262 HgTe Inorganic materials 0.000 description 2
- 229910000673 Indium arsenide Inorganic materials 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 229910007709 ZnTe Inorganic materials 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 229920013822 aminosilicone Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 2
- 229910052950 sphalerite Inorganic materials 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical compound Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 description 1
- 229910003373 AgInS2 Inorganic materials 0.000 description 1
- 229910015894 BeTe Inorganic materials 0.000 description 1
- 101100533772 Caenorhabditis elegans snf-6 gene Proteins 0.000 description 1
- 229910004611 CdZnTe Inorganic materials 0.000 description 1
- 229910021589 Copper(I) bromide Inorganic materials 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- 229910021593 Copper(I) fluoride Inorganic materials 0.000 description 1
- 229910021595 Copper(I) iodide Inorganic materials 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- XPIIDKFHGDPTIY-UHFFFAOYSA-N F.F.F.P Chemical compound F.F.F.P XPIIDKFHGDPTIY-UHFFFAOYSA-N 0.000 description 1
- 229910005987 Ge3N4 Inorganic materials 0.000 description 1
- 229910005829 GeS Inorganic materials 0.000 description 1
- 229910005866 GeSe Inorganic materials 0.000 description 1
- 229910005900 GeTe Inorganic materials 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- 241000120527 Kemerovo virus Species 0.000 description 1
- ATUUNJCZCOMUKD-OKILXGFUSA-N MLI-2 Chemical compound C1[C@@H](C)O[C@@H](C)CN1C1=CC(C=2C3=CC(OC4(C)CC4)=CC=C3NN=2)=NC=N1 ATUUNJCZCOMUKD-OKILXGFUSA-N 0.000 description 1
- 229910000661 Mercury cadmium telluride Inorganic materials 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 101100175325 Mus musculus Gdf7 gene Proteins 0.000 description 1
- 229910002665 PbTe Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 229910005642 SnTe Inorganic materials 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 229910052956 cinnabar Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 150000004678 hydrides Chemical group 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920006294 polydialkylsiloxane Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- OCGWQDWYSQAFTO-UHFFFAOYSA-N tellanylidenelead Chemical compound [Pb]=[Te] OCGWQDWYSQAFTO-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/61—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
- C09K11/615—Halogenides
- C09K11/616—Halogenides with alkali or alkaline earth metals
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/70—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
- C09K11/881—Chalcogenides
- C09K11/883—Chalcogenides with zinc or cadmium
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Luminescent Compositions (AREA)
- Led Device Packages (AREA)
Abstract
Un module de luminophore distant selon la présente invention comprend un matériau à points quantiques d'émission de lumière verte et un luminophore dopé par Mn4+ de Ax[MFy]:Mn4+ (formule I), dispersé dans une matrice hôte dans laquelle A,est Li, Na, K, Rb, Cs, ou des combinaisons de ceux-ci; M représente Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, ou des combinaisons de ceux-ci; x est une valeur absolue d'une charge de l'ion [MFy]; et y est 5, 6 ou 7.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2017/027209 WO2018190827A1 (fr) | 2017-04-12 | 2017-04-12 | Dispositifs contenant un module de luminophore distant avec des luminophores émettant une ligne rouge et des points quantiques émettant une lumière verte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3063060A1 true CA3063060A1 (fr) | 2018-10-18 |
Family
ID=58701839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3063060A Pending CA3063060A1 (fr) | 2017-04-12 | 2017-04-12 | Dispositifs contenant un module de luminophore distant avec des luminophores emettant une ligne rouge et des points quantiques emettant une lumiere verte |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3609979A1 (fr) |
| KR (1) | KR102380421B1 (fr) |
| CN (1) | CN110914382A (fr) |
| CA (1) | CA3063060A1 (fr) |
| WO (1) | WO2018190827A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021211181A1 (fr) | 2020-04-14 | 2021-10-21 | General Electric Company | Compositions d'encre et films renfermant des matériaux luminophores à émission à bande étroite |
| WO2021211600A1 (fr) | 2020-04-14 | 2021-10-21 | General Electric Company | Phosphores émettant dans le vert et dispositifs associés |
| WO2022051302A1 (fr) | 2020-09-01 | 2022-03-10 | General Electric Company | Dispositifs compatibles avec un équipement de vision nocturne |
| KR20230170708A (ko) | 2021-04-13 | 2023-12-19 | 제네럴 일렉트릭 컴퍼니 | 디스플레이 및 조명 용도를 위한 우라늄-기반 인광체 및 조성물 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7648649B2 (en) | 2005-02-02 | 2010-01-19 | Lumination Llc | Red line emitting phosphors for use in led applications |
| US7497973B2 (en) | 2005-02-02 | 2009-03-03 | Lumination Llc | Red line emitting phosphor materials for use in LED applications |
| US7358542B2 (en) | 2005-02-02 | 2008-04-15 | Lumination Llc | Red emitting phosphor materials for use in LED and LCD applications |
| US20130335677A1 (en) * | 2012-06-15 | 2013-12-19 | Apple Inc. | Quantum Dot-Enhanced Display Having Dichroic Filter |
| US9698314B2 (en) * | 2013-03-15 | 2017-07-04 | General Electric Company | Color stable red-emitting phosphors |
| US9868898B2 (en) * | 2013-03-15 | 2018-01-16 | General Electric Company | Processes for preparing color stable red-emitting phosphors |
| WO2015057930A1 (fr) * | 2013-10-17 | 2015-04-23 | Nanosys, Inc. | Dispositifs à diodes électroluminescentes (del) |
| US10230022B2 (en) * | 2014-03-13 | 2019-03-12 | General Electric Company | Lighting apparatus including color stable red emitting phosphors and quantum dots |
| CN107250906A (zh) * | 2015-03-23 | 2017-10-13 | 英特曼帝克司公司 | 光致发光彩色显示器 |
| EP3298103B1 (fr) * | 2015-05-18 | 2019-09-04 | General Electric Company | Procédé de fabrication de phosphores fluorés dopés au mn |
-
2017
- 2017-04-12 CA CA3063060A patent/CA3063060A1/fr active Pending
- 2017-04-12 EP EP17723171.9A patent/EP3609979A1/fr active Pending
- 2017-04-12 WO PCT/US2017/027209 patent/WO2018190827A1/fr unknown
- 2017-04-12 KR KR1020197033447A patent/KR102380421B1/ko active Active
- 2017-04-12 CN CN201780090701.0A patent/CN110914382A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018190827A1 (fr) | 2018-10-18 |
| CN110914382A (zh) | 2020-03-24 |
| KR102380421B1 (ko) | 2022-03-31 |
| KR20190139268A (ko) | 2019-12-17 |
| EP3609979A1 (fr) | 2020-02-19 |
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Legal Events
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| EEER | Examination request |
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| EEER | Examination request |
Effective date: 20220407 |