WO2018206902A1 - Dispositif electronique a tenue au vieillissement amelioree - Google Patents
Dispositif electronique a tenue au vieillissement amelioree Download PDFInfo
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- WO2018206902A1 WO2018206902A1 PCT/FR2018/051160 FR2018051160W WO2018206902A1 WO 2018206902 A1 WO2018206902 A1 WO 2018206902A1 FR 2018051160 W FR2018051160 W FR 2018051160W WO 2018206902 A1 WO2018206902 A1 WO 2018206902A1
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/80—Constructional details
- H10K10/88—Passivation; Containers; Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/88—Passivation; Containers; Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present application relates to an electronic device comprising at least one organic electronic component and its manufacturing method.
- An organic electronic component is an electronic component made at least in part of at least one organic semiconductor material.
- organic electronic components are organic transistors, organic photodiode (OPD) or organic light-emitting diode (OLED).
- Organic semiconductor materials tend to degrade in the presence of air and water. An organic electronic component may then not work properly after a certain time. To improve the aging behavior of an organic electronic component, it is known to place the electronic device comprising this electronic component sandwiched between airtight and watertight coatings. However, the protection afforded by these coatings may be insufficient to prevent degradation of the organic materials.
- An object of an embodiment is to overcome all or part of the disadvantages of known electronic devices comprising at least one organic electronic component.
- Another object of an embodiment is to increase the aging resistance of the electronic device.
- Another object of an embodiment is to improve the protection of the organic electronic component against water and oxygen.
- Another object of an embodiment is that all or part of the electronic device can be made by successive layers of layers by printing techniques, for example by inkjet, by heliography, by screen printing, by flexography or by by coating.
- an electronic device comprising:
- At least one electronic component located on the first protective layer and comprising at least one organic semiconductor region;
- an oxygen and watertight encapsulation layer comprising an epoxy or acrylate glue, completely covering the organic semiconductor region;
- a second oxygen and water-tight protective layer covering the entire encapsulation layer; and a support layer covering the second protective layer.
- the substrate and / or the support layer comprises a layer of plastic, in particular polyethylene naphthalate, polyethylene terephthalate, polyimide, cellulose triacetate, cycloolefin copolymer, polyetheretherketone, or a mixture of these compounds.
- plastic in particular polyethylene naphthalate, polyethylene terephthalate, polyimide, cellulose triacetate, cycloolefin copolymer, polyetheretherketone, or a mixture of these compounds.
- the first and second protective layers each comprise at least one layer of an inorganic material chosen from silicon nitride, aluminum nitride, aluminum oxide, silicon oxide and mixtures of at least two of these compounds.
- the encapsulation layer further extends between the first and second protective layers around the electronic component.
- the thickness of the encapsulation layer on the electronic component is between 1 ⁇ m and 50 ⁇ m.
- the thickness of the first protective layer and / or the second protective layer is between 10 nm and 500 nm.
- the electronic component comprises an organic photodiode, an organic light-emitting diode or an organic transistor.
- the electronic component comprises:
- first and second electrodes extending over the first protective layer
- first interface layer extending at least in part over the first electrode
- a second interface layer extending at least in part over the active region, the encapsulation layer completely covering the second interface layer and the active region.
- the electronic component is adapted to emit or pick up electromagnetic radiation and the active region is the region in which the majority of the electromagnetic radiation supplied by the optoelectronic component or in which the majority of the converting the electromagnetic radiation received by the optoelectronic component into an electrical signal.
- An embodiment also provides a method of manufacturing an electronic device, comprising the following successive steps:
- step c) comprises the following successive steps:
- FIG. 1 is a sectional view of an example of an electronic device comprising an organic electronic component
- FIG. 2 represents evolution curves of the illumination current and of the dark current of an organic photodiode of an electronic device having the structure represented in FIG. 1;
- Figure 3 is a sectional view of an embodiment of an electronic device comprising an organic electronic component
- FIG. 4 represents curves of evolution of the illumination current and of the dark current of an organic photodiode of an electronic device having the structure represented in FIG. 3;
- Figure 5 is a sectional view of another embodiment of an electronic device comprising an organic electronic component
- FIG. 6 represents a more detailed embodiment of an optoelectronic device comprising an organic photodiode
- FIG. 7 represents a more detailed embodiment of an optoelectronic device comprising an organic transistor.
- active region of an optoelectronic component is the region of the optoelectronic component in which the majority of the electromagnetic radiation supplied by the optoelectronic component or in which the majority of the conversion of a electromagnetic radiation received by the optoelectronic component into an electrical signal.
- a material is said to be oxygen-tight when the permeability of the material to oxygen at 40 ° C. is less than 1. our).
- Oxygen permeability can be measured according to ASTM Method D3985 "Standard Test Method for Oxygen Gas Transmission Rates Through Plastic Film and Sheeting Using a Coulometric Sensor".
- a material is said to be watertight when the permeability of the material to water at 40 ° C is less than 1.10 ⁇ 1 ⁇ 2 / (m ⁇ * day).
- the water permeability can be measured according to ASTM method F1249 entitled "Standard Test Method for Water Vapor Rate Transmission Through Plastic Film and Sheeting Using a Modulated Infrared Sensor".
- FIG. 1 represents an example of an electrical device 10.
- the device 10 comprises:
- a substrate 12 having a lower face 14 and an upper face 16 opposite the lower face 14;
- the organic electronic component 18 may be an optoelectronic component.
- An organic optoelectronic component generally comprises an active zone made of organic materials in which the conversion of electromagnetic radiation into an electrical signal is performed.
- Coatings 20 and 30 may be commercially available products. Coatings 20, 30 may be rolled on faces 14 and 16 and on electronic device 18.
- Each support layer 22, 32 may be of plastic material.
- Each protective layer 24, 34 is a substantially airtight and watertight layer.
- Each protective layer 24, 34 may have a monolayer structure or a multilayer structure.
- each protective layer 24, 34 may comprise a stack of at least one layer of an inorganic material and at least one layer of an organic material.
- inorganic materials are silicon nitride, aluminum nitride, aluminum oxide, silicon oxide and mixtures of at least two of these compounds.
- inorganic materials are polyacrylates.
- the thickness of the protective layer 24, 34 may be between 500 nm and 500 ⁇ m.
- the adhesive layers 26, 36 may be in a pressure-sensitive adhesive (PSA).
- PSA pressure-sensitive adhesive
- Figure 2 shows curves I] _ ⁇ 2 and obtained in the case where the electronic component 18 of the device 10 shown in FIG. 1 comprises a reverse biased photodiode with a constant voltage.
- the curve I ] _ corresponds to the evolution curve as a function of time of the current flowing through the photodiode when it is illuminated, also called the illumination current
- the curve ⁇ 2 corresponds to the curve of evolution as a function of time current flowing through the photodiode in the absence of illumination, also called dark current.
- the curve I ] successively comprises a first phase PI during which the illumination current I ] decreases rapidly and a second phase PII during which the illumination current I ] decreases more slowly.
- the curve I2 comprises a first phase, generally close to the phase P1, during which the dark current I2 is substantially constant and a second phase during which the dark current I2 increases.
- Fig. 3 shows an embodiment of an improved electronic aging device 50.
- the electronic device 50 comprises the substrate 12 and the component However, unlike the electronic device 1, the electronic device 50 comprises a first protective layer 52, or lower protective layer, disposed between the substrate 12 and the electronic electronic component. 18 and which is in contact with the face 16 of the substrate 12 and in contact with the organic electronic component 18.
- the electronic device 50 further comprises a coating 60 comprising a support layer 62 and a second protective layer 64, called a layer
- the electronic device 50 further comprises an encapsulation layer 66, disposed between the upper protective layer 64 and the organic electronic component 18 and between the upper protective layer 64. and the lower protective layer 52 around the organic electronic component 18.
- the lower protective layer 52 and the upper protective layer 64 may each have the same structure as the protective layers 24, 34 described above.
- the thickness of the substrate 12 may be between 5 ⁇ m and 1000 ⁇ m.
- the substrate 12 may be a rigid substrate or a flexible substrate.
- An example of a rigid substrate comprises a substrate made of silicon, germanium or glass.
- the substrate 12 is a flexible film.
- An example of a flexible substrate comprises a film made of PEN (polyethylene naphthalate), PET (polyethylene terephthalate), PI (polyimide), TAC (cellulose triacetate), COP (cycloolefin copolymer) or PEEK (polyetheretherketone).
- the substrate 12 may have a thickness of 10 ⁇ m to 300 ⁇ m, preferably between 75 ⁇ m and 250 ⁇ m, in particular of the order of 125 ⁇ m, and have a flexible behavior, that is to say that the substrate 12 may under the action of an external force, to deform, especially to bend, without breaking or tearing.
- the support layer 62 may have the same structure as the substrate 12 when it corresponds to a flexible substrate.
- the substrate 12 may be temporarily attached to a handle.
- the encapsulation layer 66 is substantially airtight and watertight.
- the material composing the encapsulation layer 66 is selected from the group consisting of a polyepoxide or a polyacrylate.
- the material constituting the encapsulation layer 66 may be chosen from the group comprising bisphenol A epoxy resins, in particular the diglycidyl ether of bisphenol A (DGEBA) and the diglycidyl ether of bisphenol A and tetrabromobisphenol A, the epoxy resins.
- bisphenol A epoxy resins in particular the diglycidyl ether of bisphenol A (DGEBA) and the diglycidyl ether of bisphenol A and tetrabromobisphenol A, the epoxy resins.
- epoxy novolac resins especially epoxy-phenol-novolac resins (EPN) and epoxy-cresol novolac resins (ECN)
- EPN epoxy-phenol-novolac resins
- ECN epoxy-cresol novolac resins
- aliphatic epoxy resins in particular epoxy resins with glycidyl groups and cycloaliphatic epoxides
- epoxy glycidylamine resins including glycidyl ethers of methylene dianiline (TGMDA), and a mixture of at least two of these compounds.
- the material making up the encapsulation layer 66 can be made from monomers including acrylic acid, methylmethacrylate, acrylonitrile, methacrylates, methyl acrylate, ethyl acrylate, 2-chloroethyl vinyl ether, 2-ethylhexyl acrylate, hydroxyethyl methacrylate, butyl acrylate, butyl methacrylate, trimethylolpropane triacrylate (TMPTA) and derivatives thereof.
- monomers including acrylic acid, methylmethacrylate, acrylonitrile, methacrylates, methyl acrylate, ethyl acrylate, 2-chloroethyl vinyl ether, 2-ethylhexyl acrylate, hydroxyethyl methacrylate, butyl acrylate, butyl methacrylate, trimethylolpropane triacrylate (TMPTA) and derivatives thereof.
- TMPTA trimethylolpropane triacrylate
- the thickness of the encapsulation layer 66 covering the organic electronic component 18 is between 1 ⁇ m and
- 50 ⁇ m preferably between 5 ⁇ m and 40 ⁇ m, in particular of the order of 15 ⁇ m.
- Figure 4 represents curves of evolution of the illumination current I] _ 'and the dark current ⁇ 2' obtained in the case where the electronic component 18 of the electrical device 50 shown in Figure 3 comprises a reverse biased photodiode with constant tension.
- the illumination current I ] _ ' is substantially constant at least for 600 hours and the dark current ⁇ 2' is substantially constant at least during 600 hours.
- the aging resistance of the organic electronic component 18 of the electronic device 50 having the structure shown in FIG. 3 is therefore increased.
- the protection of the organic electronic component 18 against water and oxygen is achieved by the protective layers 52, 64 and the encapsulation layer 66 which form a barrier completely surrounding the organic electronic component 18 with the possible exception of zones located to connect the organic electronic component 18 to an electronic system, not shown, external to the electronic device 50.
- At least some elements of the organic electronic component 18 and of the encapsulation layer 66 may be formed by an additive method, for example by direct printing of the material adapted to the desired locations, for example by ink jet printing, heliography, serigraphy, flexography, spray coating (English spray coating) or drop-casting (drop-casting). At least some elements of the organic electronic component 18 and the encapsulation layer 66 may be formed by a so-called subtractive process, in which the adapted material is deposited on the entire structure and in which the unused portions are then removed. for example by photolithography or laser ablation. Depending on the material considered, the deposition on the entire structure may be carried out for example by liquid, sputtering or evaporation. This may include processes such as spin coating, spray coating, heliography, coating-coating (English slot-die coating), coating blade (English blade-coating), flexography or screen printing.
- At least some elements of the organic electronic component 18 and the encapsulation layer 66 may be made by printing techniques.
- the lower protective layer 52 may be deposited on the substrate 12 by evaporation.
- the upper protective layer 64 may be deposited on the support layer 62 by evaporation.
- the encapsulation layer 66 may be formed by the deposition of precursors of the material composing the encapsulation layer 66, for example an epoxy or acrylate glue, at the desired location by screen printing, in particular on the organic electronic component 18 and possibly at least on a portion of the lower protective layer 52 around the organic electronic component 18.
- the precursors are not deposited on the entire lower protective layer 52 around the organic electronic component 18.
- the coating 60 comprising the support layer 62 covered with the upper protective layer 64, can then be deposited on the organic electronic component 18 and on the lower protective layer 52 around the organic electronic component 18 by rolling. It can be a hot-rolling, cold-rolling or vacuum-rolling process. The rolling operation further causes the precursors of the material making up the encapsulation layer 66 to spread between the upper protective layer 64 and the organic electronic component 18, and between the upper protective layer 64 and the protective layer. lower 52 around the organic electronic component 18.
- a step of crosslinking the precursors of the material making up the encapsulation layer 66 is then performed to obtain the encapsulation layer 66, for example by exposing the structure to ultraviolet radiation.
- ultraviolet radiation may have a wavelength less than or equal to 400 nm.
- the energy of the ultraviolet radiation may be greater than or equal to 100 mJ / cm 2.
- the encapsulation layer 66 acts as a glue between the coating 60 and the organic electronic component 18 and between the coating 60 and the lower barrier layer 52.
- the water and oxygen tightness of the encapsulation layer 66 may be less than the water and oxygen tightness provided by the protective layers 52, 64. It is advantageous to provide the upper protective layer 64.
- the material forming the encapsulation layer 66 it is advantageous for the material forming the encapsulation layer 66 to have, in addition to the bonding properties, a water and oxygen tightness. Indeed, the protective layer 66 provides a barrier against the penetration of water and oxygen on the lateral edge of the electronic device 50.
- FIG. 5 shows another embodiment of an improved electronic aging device 70.
- the electronic device 70 comprises all the elements of the electronic device 50 shown in FIG. 3 and further comprises an insulating layer 72 located between the encapsulation layer 66 and the organic electronic component 18.
- the insulating layer 72 can completely cover the component 18.
- the insulating layer 72 may be in contact with the organic electronic component 18.
- the encapsulation layer 66 may be in contact with the insulating layer 72.
- the insulating layer 72 may comprise an organic insulating material, for example parylene.
- the thickness of the insulating layer 72 may be between 20 nm and 1 ⁇ m.
- the insulating layer 72 can play a role of protective layer in the case where at least some materials of the electronic component 18 are capable of reacting with the material of the encapsulation layer 66 and / or the precursors of the material of the encapsulation layer 66.
- FIG 6 shows an embodiment of an electronic device 80 having the same structure as the electronic device 50, shown in Figure 3, in the case where the optoelectronic component 18 comprises a photodiode.
- the electronic device 80 comprises all the elements of the electronic device 50 and furthermore comprises:
- first electrode 82 and a second electrode 84 in contact with the lower protective layer 52 and covering the lower protective layer 52;
- first interface layer 86 or lower interface layer 86, in contact with the first electrode 82 and covering the first electrode 82 in part or in whole;
- an active region 88 in contact with the lower interface layer 86, covering the lower interface layer 86 partially or totally and partially covering the first electrode 82 and / or the lower protective layer 52;
- the material composing the electrodes 82, 84 is chosen from the group comprising:
- TCO transparent conductive oxide
- ITO in particular ITO, a zinc oxide and aluminum oxide (AZO), a gallium zinc oxide (GZO), an acronym for Gallium Zinc Oxide , an ITO / Ag / ITO alloy, an AZO / Ag / AZO alloy or a ZnO / Ag / ZnO alloy;
- a metal for example silver, gold, lead, palladium, copper, nickel, tungsten or chromium;
- each electrode 82, 84 is between 10 nm and 5 ⁇ m, preferably between 50 nm and 1 ⁇ m, in particular of the order of 130 nm.
- the electrodes 82, 84 are made of a conductive material and at least partially transparent, for example indium tin oxide or ITO (acronym for Indium Tin Oxide).
- the interface layer 86 or 90 may correspond to an electron-injecting layer or a hole-injecting layer.
- the output work of the interface layer 86 or 90 is adapted to block, collect or inject holes and / or electrons depending on whether this interface layer acts as a cathode or anode. More specifically, when the interface layer 86 or 90 plays the role of anode, it corresponds to a layer hole injector and electron blocker.
- the output work of the interface layer 86 or 90 is then greater than or equal to 4.5 eV, preferably greater than or equal to 5 eV.
- the interface layer 86 or 90 acts as a cathode, it corresponds to an electron-injecting and hole-blocking layer.
- the output work of the interface layer 86 or 90 is then less than or equal to 4.5 eV, preferably less than or equal to 4.2 eV.
- the material constituting the interface layer 86 or 90 is chosen from the group comprising:
- a metal oxide especially a titanium oxide or a zinc oxide
- a doped conductive or semiconductive polymer for example the PEDO: osylate polymer which is a mixture of poly (3,4) -ethylenedioxythiophene and tosylate;
- carbonate for example CsCO3
- polyelectrolyte for example poly [9,9-bis (3 '- (N, N-dimethylamino) propyl) -2,7-fluorene-alt-2,7- (9,9-dioctylfluorene)] (PFN) poly [3- (6-trimethylammoniumhexyl) thiophene] (P3TMA.HT) or poly [9,9-bis (2-ethylhexyl) fluorene] - b-poly [3- (6-trimethylammoniumhexyl) thiophene (PF2 / 6-b-P3TMA.HT);
- PEI polyethyleneimine polymer
- PEIE ethoxylated polyethyleneimine polymer
- the lower interface layer 86 acts as an electron-injecting layer and is made of ethoxylated polyethyleneimine polymer.
- the material constituting the interface layer 86 or 90 may be chosen from the group comprising:
- a doped conductive or semiconductive polymer in particular the materials marketed under the names Plexcore OC RG-1100, Plexcore OC RG-1200 by Sigma-Aldrich, the polymer PEDOT: PSS, which is a mixture of poly (3,4) - ethylenedioxythiophene and sodium polystyrene sulfonate, or polyaniline;
- a polyelectrolyte for example Nafion
- a metal oxide for example a molybdenum oxide, a vanadium oxide, ITO, or a nickel oxide
- the material making up the interface layer 86 or 90 is a doped conductive or semiconductor polymer.
- the upper interface layer 90 acts as a hole-injecting layer and is in PEDOT: PSS.
- PEDOT: PSS An advantage of the PEDOT: PSS is that it can be easily deposited by printing techniques, for example by inkjet, heliography, screen printing or coating.
- the thickness of the upper interface layer 90 covering the active region 88 is between 10 nm and 10 ⁇ m, preferably between 100 nm and 1 ⁇ m, in particular of the order of 500 nm.
- a layer of the material used for the lower interface layer 86 may, in addition, be present between the electrode 84 and the upper interface layer 90.
- the active region 88 comprises at least one organic material and may comprise a stack or a mixture of several organic materials. Active region 88 may comprise a mixture of an electron donor polymer and an electron acceptor molecule.
- the functional area of the active region 88 is delimited by the overlap between the lower interface layer 86 and the upper interface layer 90.
- the currents flowing through the functional zone of the active region 88 can vary from a few picoamperes to a few microamperes.
- the thickness of the active region 88 covering the lower interface layer 86 may be between 50 nm and 1 ⁇ m, for example of the order of 500 nm.
- Active region 88 can include small molecules, oligomers or polymers. It can be organic or inorganic materials.
- the active region 88 may comprise an ambipolar semiconductor material, or a mixture of an N-type semiconductor material and a P-type semiconductor material, for example in the form of superposed layers or of an intimate mixture at the nanoscale so to form a heterojunction in volume.
- P-type semiconductor polymers suitable for producing the active region 88 are poly (3-hexylthiophene) (P3HT), poly [N-9'-heptadecanyl-2,7-carbazole-alt-5,5 (4, 7-di-2-thienyl-2 ', 1', 3'-benzothiadiazole)] (PCDTBT), Poly [(4,8-bis (2-ethylhexyloxy) -benzo [1,2- b, 4,5-b'-dithiophene) -2,6-diyl-alt- (4- (2-ethylhexanoyl) thi no [3,4-b] thiophene) -2,6-diyl]; 4, 5-b '] dithi-ophene) -2,6-diyl-alt- (5,5'-bis (2-thienyl) -4,4-dinonyl-2,2'-bithiazole) -5' , 5
- PBDTTT-C poly [2-methoxy-5- (2-ethylhexyloxy) -1,4-phenylenevinylene]
- MEH-PPV poly [2-methoxy-5- (2-ethylhexyloxy) -1,4-phenylenevinylene]
- PCPDTBT Poly [2,6- (4,4) -bis- (2-ethylhexyl) -4H-cyclopenta [2,1-b; 3,4-b] dithiophene) - ⁇ -, 1 (2,1,3-benzothiadiazole)]
- N type semiconductor materials suitable for producing the active region 88 are fullerenes, especially C60, methyl [6, 6] -phenyl-C8 ] -butanoate ([60] PCBM), [ 6, 6] -phenyl-C7] _ methyl-butanoate ([70JPCBM), the diimide perylene, zinc oxide (ZnO) or nanocrystals allowing the formation of quantum dots, in English quantum dots.
- the thickness of the stack comprising the lower interface layer 86, the active region 88 and the upper interface layer 90 is between 1 ⁇ m and 4 ⁇ m, preferably between 1.5 ⁇ m and 2 ⁇ m.
- FIG. 7 represents an embodiment of an electronic device 100 having the same structure as the electronic device 50, represented in FIG. 3, in the case where the optoelectronic component 18 comprises an organic transistor called "high gate".
- the electronic device 100 comprises all the elements of the electronic device 50 and furthermore comprises:
- a semiconductor layer 106 covering the conductive portions 102, 104 and the lower protective layer 52 between the conductive portions 102, 104;
- the conductive portion 110 forms the gate of the transistor.
- the insulating layer 108 corresponds to the gate of the transistor.
- the conductive portions 102 and 104 form the drain and source contacts of the transistor.
- the transistor channel is formed in the semiconductor layer 106.
- the conductive portions 102, 104 and 110 may have the same structure and the same composition as the electrodes 82, 84 described above.
- the optoelectronic component 18 may comprise an organic transistor called "low gate".
- the conductive portion 110 forming the gate of the transistor, is located on the lower protective layer 52 and is covered by the insulating layer 108 and the insulating layer 108 is covered by the semiconductor layer 106 on which are formed the conductive portions 102 and 104;
- the electronic device comprises only a single electronic component, it is clear that the electronic device can comprise several electronic components, in particular several photodiodes or light-emitting diodes, photodiodes and transistors, or light emitting diodes and transistors.
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- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
- Thin Film Transistor (AREA)
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Abstract
Description
Claims
Priority Applications (5)
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EP18728443.5A EP3622566A1 (fr) | 2017-05-11 | 2018-05-11 | Dispositif electronique a tenue au vieillissement amelioree |
CN201880041936.5A CN110785864B (zh) | 2017-05-11 | 2018-05-11 | 具有改善的抗老化性的电子设备 |
KR1020197035688A KR102550310B1 (ko) | 2017-05-11 | 2018-05-11 | 내노화성이 개선된 전자 장치 |
US16/612,262 US11283046B2 (en) | 2017-05-11 | 2018-05-11 | Electronic device having improved ageing resistance |
JP2019561880A JP2020520109A (ja) | 2017-05-11 | 2018-05-11 | 耐劣化性が高められた電子デバイス |
Applications Claiming Priority (2)
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FR1754149 | 2017-05-11 | ||
FR1754149A FR3066324B1 (fr) | 2017-05-11 | 2017-05-11 | Dispositif electronique a tenue au vieillissement amelioree |
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EP (1) | EP3622566A1 (fr) |
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CN (1) | CN110785864B (fr) |
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KR102093393B1 (ko) * | 2013-08-14 | 2020-03-26 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 이의 제조 방법 |
KR101825805B1 (ko) * | 2015-02-17 | 2018-02-08 | 주식회사 엘지화학 | 봉지 필름 |
WO2016143775A1 (fr) * | 2015-03-11 | 2016-09-15 | 富士フイルム株式会社 | Composition pour la formation d'un film semi-conducteur organique, et élément à semi-conducteur organique |
CN106654041B (zh) * | 2016-12-05 | 2018-10-26 | 武汉华星光电技术有限公司 | 柔性oled显示器及其制作方法 |
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2017
- 2017-05-11 FR FR1754149A patent/FR3066324B1/fr active Active
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2018
- 2018-05-11 JP JP2019561880A patent/JP2020520109A/ja active Pending
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- 2018-05-11 WO PCT/FR2018/051160 patent/WO2018206902A1/fr unknown
- 2018-05-11 EP EP18728443.5A patent/EP3622566A1/fr active Pending
- 2018-05-11 US US16/612,262 patent/US11283046B2/en active Active
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Patent Citations (3)
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FR2965407A1 (fr) * | 2010-09-27 | 2012-03-30 | Saint Gobain | Procédé de connexion(s) électrique(s) d'un dispositif a diode électroluminescente organique encapsule et un tel dispositif oled |
WO2012046741A1 (fr) * | 2010-10-08 | 2012-04-12 | 住友化学株式会社 | Dispositif électroluminescent organique |
US20160204185A1 (en) * | 2015-01-14 | 2016-07-14 | Panasonic Intellectual Property Management Co., Ltd. | Light-emitting device comprising flexible substrate and light-emitting element |
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Publication number | Publication date |
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EP3622566A1 (fr) | 2020-03-18 |
US11283046B2 (en) | 2022-03-22 |
CN110785864B (zh) | 2024-02-09 |
FR3066324A1 (fr) | 2018-11-16 |
JP2020520109A (ja) | 2020-07-02 |
KR20200004350A (ko) | 2020-01-13 |
CN110785864A (zh) | 2020-02-11 |
KR102550310B1 (ko) | 2023-06-30 |
FR3066324B1 (fr) | 2021-09-10 |
US20210159449A1 (en) | 2021-05-27 |
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