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303results about How to "Good hole transport properties" patented technology
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Organic light emitting display apparatus employing anode having multi-layer structure
InactiveUS20080111484A1Easy to manufactureReduce processing stepsDischarge tube luminescnet screensElectroluminescent light sourcesOrganic layerDisplay device
An organic light emitting display device including an anode having a multi-layer structure which can be manufactured using a simple process, has good hole transfer properties and high reflectivity, and prevents energy loss due to a drop in voltage. The organic light emitting display device includes a substrate, a thin film transistor formed on the substrate and including source and drain electrodes, a first anode patterned simultaneously with the source and drain electrodes of the thin film transistor, formed integrally with the source or drain electrode, and made out of a conductive material having a low resistance, a second anode formed on the first anode, and made out of a conductive material having a high work function, an organic layer formed on the second anode and a cathode formed on the organic layer.
Owner:SAMSUNG MOBILE DISPLAY CO LTD
Organic Compound, Charge-Transporting Material, and Organic Electroluminescent Element
ActiveUS20080145699A1Good electron transport propertiesSatisfactory durabilityOrganic chemistryElectroluminescent light sourcesOrtho positionOrganic compound
There are provided an organic having both excellent hole transporting property and satisfactory electron transporting and showing excellent durability against electric oxidation / reduction and a high triplet excitation level, and a charge transporting material and an organic electroluminescent device each using the organic compound. The organic compound is represented by following Formula (I):wherein Cz1 and Cz2 each represent a carbazolyl group; Z represents a direct bond or an arbitrary linkage group enabling the conjugation of nitrogen atoms in the carbazole rings of Cz1 and Cz2 with each other; and Q represents a direct bond connecting to “G” in following Formula (II):wherein Ring B1 represents a six-membered aromatic heterocyclic ring having “n” nitrogen atom(s) as hetero atom(s); “n” represents an integer of from 1 to 3; G represents a direct bond or an arbitrary linkage group connecting to Q when G connects to Q; Gs connect to carbon atoms at the ortho-position and the para-position with respect to nitrogen atom(s) in Ring B1; G represents an aromatic hydrocarbon group when G does not connect to Q; and “m” represents an integer of from 3 to 5.
Owner:PIONEER CORP +1
Carbazole Derivative, and Light-Emitting Element and Light-Emitting Device Using the Carbzole Derivative
InactiveUS20080254318A1Long life-timeImprove reliabilityOrganic chemistryDischarge tube luminescnet screensEmission efficiencyLight emitting device
The present invention provides a material having excellent hole injecting and hole transporting properties. Moreover, the present invention provides a light-emitting element and a light-emitting device using the material having excellent hole injecting and hole transporting properties. The present invention provides a carbazole derivative represented by the general formula (1). By applying the carbazole derivative of the present invention to a light-emitting element or a light-emitting device, a lower driving voltage, enhanced emission efficiency, a longer lifetime and enhanced reliability of the light-emitting element or the light-emitting device can be realized.
Owner:SEMICON ENERGY LAB CO LTD
Novel organic electroluminescent compounds and organic electroluminescent device comprising the same
InactiveCN104271700AImprove luminous efficiencyExtend working lifeGroup 4/14 element organic compoundsElectroluminescent light sourcesOrganic electroluminescenceOrganic chemistry
Owner:ROHM & HAAS ELECTRONICS MATERIALS LLC
Arylamine compound and organic electroluminescence device
InactiveUS7081550B2Increase brightnessGood hole transport propertiesOrganic chemistryDischarge tube luminescnet screensArylHeat resistance
A novel arylamine compound represented by the following general formula (1):wherein R1 and R2 each independently represent an alkyl group, an alkoxyl group, an aryl group, an arylalkyl group or an aryloxyl group, Ar1 to Ar4 each independently represent an aryl group or a heterocyclic group, with provisos that at least two of Ar1 to Ar4 each represent m-biphenyl group or a biphenyl group substituted with aryl groups and the others of Ar1 to Ar4 each represent biphenyl group and that, when the biphenyl group substituted with aryl groups is a biphenyl group substituted with two aryl groups, the others of Ar1 to Ar4 each represent an aryl group; and an organic electroluminescence device comprising a layer of organic compounds which comprises the novel arylamine compound. The organic electroluminescence device has a high luminance, excellent heat resistance and a long life and emits light at a high efficiency. The novel arylamine compound provides the advantageous properties to the organic electroluminescence device
Owner:IDEMITSU KOSAN CO LTD
Triarylamine compound and organic electroluminescent device thereof
ActiveCN111808042AHigh triplet energy levelHigh glass transition temperatureOrganic chemistrySolid-state devicesBenzoxazoleRefractive index
The invention provides a triarylamine compound and an organic electroluminescent device thereof, and relates to the technical field of organic photoelectric materials. According to the invention, a substituted or unsubstituted 9-phenyl-fluorene group and a triarylamine group containing benzoxazole / benzothiazole / benzimidazole / benzotriazole undergoes a reaction to obtain the triarylamine compound by9-position (tertiary C) connection of fluorene. The triarylamine compound has a good hole transport capability, is high in glass transition temperature, good in thermal stability, good in film-forming property, high in refractive index and simple to synthesize, can be applied to an organic electroluminescent device to serve as a hole transport layer and / or a covering layer, can effectively solvethe problems of low luminous efficiency and short service life of the organic electroluminescent device, and has the advantages of high luminous efficiency and long service life.
Owner:CHANGCHUN HYPERIONS TECH CO LTD
Carbazole Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device
ActiveUS20120302762A1Improve efficiencyGood hole transport propertiesOrganic chemistryCarbazolePhenyl group
A carbazole compound represented by General Formula (G1) is provided.In the formula, α represents a phenylene group, Ar1 represents an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, or a substituted or unsubstituted phenanthryl group, Ar2 represents hydrogen, a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, or a substituted or unsubstituted phenanthryl group, Ar3 represents a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, or a substituted or unsubstituted phenanthryl group, and R1 represents hydrogen, an alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted phenyl group. Further, n is 0 or 1.
Owner:SEMICON ENERGY LAB CO LTD
9, 9-bis(triphenyl amino) fluorine derivatives and preparation and use thereof
InactiveCN1634864AImprove performanceLighting up voltage dropOrganic chemistrySolid-state devicesLight-emitting diodePhotochemistry
The invention relates to a method for preparing 9,9-bis(trianilino) fluorene derivatives and their use. The derivatives can be prepared by Suzuki coupling of dihalogenated 9,9-bis(trianilino) fluorene and aromatic ring or heterocyclo-boric acid or its ester. And the derivatives can be used as auxiliary hole transportation materials of organic light emitting diode and can reduce the starting voltage of device.
Owner:SHANGHAI INST OF ORGANIC CHEM CHINESE ACAD OF SCI
Carbazole Derivative, and Light Emitting Element and Light Emitting Device Using the Carbazole Derivative
InactiveUS20080284328A1Excellent in hole injecting propertyReduce the driving voltageOrganic chemistryDischarge tube luminescnet screensHole injection layerInjected material
It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazol derivative represented by a general formula (1). The carbazol derivative according to the present invention is excellent in the hole injecting property. By using the carbazol derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device.
Owner:SEMICON ENERGY LAB CO LTD
Aromatic amine compound containing 9,9'-spirobifluorene and dibenzothiophene and organic electroluminescent device thereof
InactiveCN108658932AGood hole transport ability and stabilityHigh refractive indexOrganic chemistrySolid-state devicesOrganic electroluminescenceChemistry
The invention provides an aromatic amine compound containing 9,9'-spirobifluorene and dibenzothiophene and an organic electroluminescent device thereof, and relates to the technical field of organic photoelectric materials. The compound has a simple preparation method, easily available raw materials, good hole transport capability and stability, can realize charge balance in a light-emitting layer, has a suitable highest occupied molecular orbital energy level, a high T1 value and a high refractive index, can remarkably improve the light emitting efficiency, the heat resistance and the servicelife of the device when applied to an OLED device, and can also effectively reduce the driving voltage of the device, thereby being an OLED material with excellent performance.
Owner:CHANGCHUN HYPERIONS TECH CO LTD
Triarylated amine derivative and organic electroluminescence device with same
InactiveCN108341795AIncreased conjugated systemHigh hole mobilityOrganic chemistrySolid-state devicesOrganic electroluminescencePerylene derivatives
The invention discloses a triarylated amine derivative and an organic electroluminescence device with the same, and relates to the technical field of organic photoelectric materials. The triarylated amine derivative has a large conjugated system, thereby having high hole mobility and presenting good hole transmissibility; in addition, the triarylated amine derivative has high thermal stability anddissolubility and is beneficial for material film forming. The organic electroluminescence device comprises a cathode, an anode and one or more organic matter layers. The organic matter layers are located between the cathode and the anode. At least one of the organic matter layers contains the triarylated amine derivative. The organic electroluminescence device has low driving voltages, high light-emitting efficiency, light-emitting luminance and long service life.
Owner:CHANGCHUN HYPERIONS TECH CO LTD
Organic electroluminescent material and application thereof
ActiveCN105349134AAvoid stackingGood hole transport propertiesOrganic compound preparationGroup 5/15 element organic compoundsOrganic electroluminescenceMolecular energy level
The invention relates to an organic electroluminescent material and an application thereof. The electroluminescent material has a molecular structure as shown in a formula (I), has relatively good thin film stability and suitable molecular energy level, can serve as a hole-transport material, and is applied to the field of organic electroluminescent.
Owner:VALIANT CO LTD
Aromatic amine compound containing 9, 9'-spirobifluorene and dibenzofuran and organic electroluminescent device thereof
InactiveCN108689972AImprove thermal stabilityGood chemical stabilityOrganic chemistrySolid-state devicesMolecular orbital energyHeat resistance
The invention provides an aromatic amine compound containing 9, 9'-spirobifluorene and dibenzofuran and an organic electroluminescent device thereof, and relates to the technical field of organic photoelectric materials. The preparation method of the compound is simple, the raw material is easy to obtain, the aromatic amine compound has the highest occupied molecular orbital energy level, a high T1 value and a high refractive index, has good hole transporting ability, thermal stability and film forming properties, is applied to the OLED device, can significantly improve the luminous efficiency, heat resistance and service life of the device and can effectively reduce the driving voltage of the device.
Owner:CHANGCHUN HYPERIONS TECH CO LTD
Thiophene-bridged pyrenetetramine hole-transport material and application of same to perovskite solar cell
ActiveCN108484569AImprove solubilityGood hole transport propertiesOrganic chemistrySolid-state devicesElectricityOrganic solvent
The invention discloses a thiophene-bridged pyrenetetramine hole-transport material and application of the same to a perovskite solar cell. The thiophene-bridged pyrenetetramine hole-transport material has a structural formula as shown in a formula I which is described in the specification. The hole-transport material has a thiophene-bridged triarylated amine unit which presents good dissolvability and good film forming ability in an organic solvent, a large conjugate plane structure is beneficial for effective improvement of the hole mobility of the material, and preparation cost is low. Thetesting results of physical properties, electrochemical performance and heat stability prove that the hole-transport material has good heat stability and can match with the energy level of perovskite.When the hole-transport material is applied to the perovskite solar cell as a hole-transport layer, good photoelectric conversion efficiency is obtained.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Organic luminescence compound and organic luminescence device thereof
InactiveCN107986975AIncreased conjugated systemHigh hole mobilitySilicon organic compoundsGroup 5/15 element organic compoundsSolubilityOrganic light emitting device
The invention discloses an organic luminescence compound and an organic luminescence device thereof, and relates to the technical field of an organic photoelectric material. A conjugated system of theorganic luminescence compound is great, so that higher hole mobility is realized; good hole transmission performance is shown. In addition, the organic luminescence compound provided by the inventionalso has good thermal stability and solubility; the film forming of the material is facilitated. The organic luminescence device using the organic luminescence material as an organic matter layer hasthe advantages that the driving voltage is lower; the luminescence efficiency and luminescence brightness are high; the service life is longer.
Owner:CHANGCHUN HYPERIONS TECH CO LTD
Carbazole derivative, and light emitting element and light emitting device using the carbazole derivative
InactiveUS7901791B2Good hole injection and hole transporting propertyExcellent hole injectionOrganic chemistryDischarge tube luminescnet screensHole injection layerInjected material
Owner:SEMICON ENERGY LAB CO LTD
Fluorene derivative and organic luminescent device thereof
InactiveCN107652189AIncreased conjugated systemHigh hole mobilityGroup 4/14 element organic compoundsGroup 5/15 element organic compoundsSolubilityOrganic light emitting device
The invention discloses fluorene derivative and an organic luminescent device thereof and relates to the technical field of organic photoelectric materials. The fluorene derivative disclosed by the invention has a larger conjugated system, so that the fluorene derivative has a higher hole mobility and shows better hole transmission performance. In addition, the fluorene derivative disclosed by theinvention further has better thermal stability and solubility, so that material film formation is facilitated. When the fluorene derivative is utilized as an organic luminescent device of an organismlayer, the fluorene derivative has lower driving voltage and higher luminous efficiency and luminance and further has longer service life.
Owner:CHANGCHUN HYPERIONS TECH CO LTD
Nitrogen-containing compound, and electronic component and electronic device using same
ActiveCN112110849AHigh glass transition temperatureDifficult to crystallizeOrganic chemistrySolid-state devicesEngineeringElectron blocking layer
The invention belongs to the technical field of organic materials, and particularly relates to a nitrogen-containing compound, an electronic component and an electronic device using the same. When thecompound provided by the invention is used as an electron blocking layer for preparing an organic light-emitting device, the service life of the organic light-emitting device can be effectively prolonged, and the light-emitting efficiency or the driving voltage is improved to a certain extent.
Owner:SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO LTD
Preparation of silver-doped nickel oxide film and application of nickel oxide film in perovskite solar cell as hole transport layer
ActiveCN106972102AGood light transmissionGood hole transport propertiesSolid-state devicesSemiconductor/solid-state device manufacturingHole transport layerSpin coating
The invention provides preparation of a silver-doped nickel oxide film and an application of the nickel oxide film in a perovskite solar cell as a hole transport layer. The preparation of the silver-doped nickel oxide film includes: dissolving nickel nitrate hexahydrate and silver nitrate in a diethylamine-containing glycol solution, stirring the mixture at a room temperature for 12-16 h, preparing a mixed precursor solution of nickel nitrate and silver nitrate with the metallic ion total concentration of 0.5-1.5 M, wherein the ratio of Ag to Ni is 1-2:100; and performing spin coating of the mixed precursor solution of nickel nitrate and silver nitrate on a substrate with the rotating speed of 2500-3500 rmp, and then performing heating at the temperature of 300 DEG C for 60-80 min. According to the silver-doped nickel oxide film, the light transmission and the hole transport capability are better, the degree of crystallization and the surface coverage rate of the perovskite film grown on the silver-doped nickel oxide film are higher compared with the pure nickel oxide film, and the reverse planar perovskite solar cell prepared by the nickel oxide film as the hole transport layer is advantaged by higher photoelectric conversion efficiency and environmental stability.
Owner:NANCHANG UNIV
Aromatic amine compound and organic electroluminescent devices thereof
ActiveCN110845394AHigh glass transition temperatureHigh triplet energy levelOrganic chemistrySolid-state devicesOrganic electroluminescenceOptoelectronic materials
The invention provides an aromatic amine compound and organic electroluminescent devices thereof, and relates to the technical field of organic photoelectric materials. According to the invention, a specific heteroaryl group and a bicyclic heptane group are introduced into a triarylamine structure to obtain the aromatic amine compound disclosed by the invention; the aromatic amine compound has good hole transport capability, high glass transition temperature, excellent thermal stability, excellent film-forming property, high refractive index and simple synthesis process, can be applied to theorganic electroluminescent devices as a hole transport layer and / or a covering layer, can effectively solve the problems of poor thermal stability, low luminous efficiency and short service life of the organic electroluminescent devices; and the advantages of high luminous efficiency and long service life of the organic electroluminescent devices are achieved.
Owner:CHANGCHUN HYPERIONS TECH CO LTD
Full-inorganic perovskite solar energy cell prepared based on spray auxiliary method and preparation method and application of full-inorganic perovskite solar energy cell
InactiveCN108550655AReduce compoundingGood hole transport propertiesFinal product manufacturePhotovoltaic energy generationElectronic transmissionLevel structure
The invention provides a full-inorganic perovskite solar energy cell prepared based on spray auxiliary method and a preparation method and application of the full-inorganic perovskite solar energy cell. The preparation method comprises steps of preparing a titanium dioxide electronic transmission layer on FTO conductive glass; then, coating the titanium dioxide electronic transmission layer with lead bromide solution in a spinning manner; coating the titanium dioxide electronic transmission layer with brominated caesium solution so as to form high-purity big-grained CsPbBr3 perovskite light-absorption layer; then, depositing interface modification layer materials; and finally, carrying out knife coating on a carbon back electrode so as to assembly the materials into the full-inorganic perovskite solar energy cell. According to the invention, by improving a preparation method and optimizing interface level structures of a carbon electrode and a perovskite light-absorption layer, the photoelectric conversion efficiency and the stability of the cell are improved; and the preparation method is simple and feasible, and low in cost and has commercial prospects of large-area production.
Owner:JINAN UNIVERSITY
Novel organic electroluminescent compounds and organic electroluminescent device comprising the same
InactiveUS20150105563A1High luminous efficiencyGood hole transport propertiesGroup 4/14 element organic compoundsSolid-state devicesHost materialOrganic electroluminescence
The present invention relates to novel organic electroluminescent compounds and an organic electroluminescent device containing the same. The organic electroluminescent compounds according to the present invention can be used as a phosphorescent host material, a hole transport material, or a mixed host material; have a good hole transport ability; prevent crystallization in the production of the device; are suitable for forming a layer; and improve the current density of the device thereby reducing the driving voltage of the device.
Owner:MITSUBISHI ELECTRIC RES LAB INC
Phosphorescent host material and preparation method thereof, and organic electroluminescent device
ActiveCN103304540AImprove thermal stabilityImprove mechanical stabilityOrganic chemistrySolid-state devicesCarbazoleHost material
The invention provides a phosphorescent host material. The phosphorescent host material has a structural formula as described in the specification; in the structural formula, R is one selected from the group consisting of an H atom and C1-C10 alkyl groups or phenyl groups. The phosphorescent host material is pyridine-substituted difluorene prepared by bonding fluorene containing a carbazole group with pyridine, fluorene and pyridine have high heat stability, the carbazole group has a good hole transport property, and pyridine has a good electron transport property, so the phosphorescent host material has high heat stability and good carrier transport performance. Furthermore, the invention also provides a preparation method for the phosphorescent host material, and the preparation method has simple process. Moreover, the invention further provides an organic electroluminescent device using the phosphorescent host material, and the organic electroluminescent device has high performance.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1
Organic electronic material
ActiveUS20150108448A1Good electron transport propertiesEfficient transportOrganic chemistryFinal product manufactureOrganic light emitting deviceOrganic layer
The present invention discloses an “organic light-emitting device (OLED)”, comprising an anode, a cathode, and one or more organic layers, wherein the said organic layer contains at least one compound having the formula (I), and the said OLED has the advantages of excellent light-emitting efficiency, excellent color purity and long lifetime.
Owner:GUANGDONG AGLAIA OPTOELECTRONICS MATERIALS +1
Novel compound and electroluminescent device including same
ActiveUS20150171344A1Improve heat resistanceConvenient lightingOrganic chemistrySolid-state devicesOrganic electroluminescenceMaterials science
Disclosed is a novel benzimidazole compound having excellent hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the benzimidazole compound in one or more organic material layers thereof so as to thereby achieve enhanced characteristics, such as light-emitting efficiency, driving voltage, and lifespan.
Owner:SOLUS ADVANCED MATERIALS CO LTD
Fluorine-substituted organic micro-molecular hole-transport material and application thereof
InactiveCN108467402AIncrease energy levelGood hole transport propertiesOrganic chemistrySolid-state devicesSolubilityBenzene
The invention discloses a fluorine-substituted organic micro-molecular hole-transport material and an application thereof. The material provided by the invention has a simple molecular structure, wherein benzodithiophene and derivatives thereof are used as a central core; different heterocycle-containing units are introduced to capping groups; and the central core and the capping groups are linkedby different fluorine-substituted phenyl groups. The material provided by the invention has the advantages of simple synthesis steps, easiness in purification, good solubility in an organic solvent,proper molecular energy levels, high hole mobility and electrical conductivity, and good hydrophobicity, is applied to perovskite solar cells with good stability and high short-circuit current densityand energy conversion efficiency, and has extensive application prospects.
Owner:TAIYUAN UNIV OF TECH
Triphenylamine-benzothiophene organic small-molecule hole transporting material and application thereof
InactiveCN105753883AEasy transferLarge planar delocalized structureOrganic chemistrySolid-state devicesHigh current densitySolubility
The invention discloses a triphenylamine-benzothiophene organic small-molecule hole transporting material and an application thereof.The material has a specific heterocycle conjugated system and triphenylamine structural units with alkyl chains, and the solubleness and the hydrophobicity are good in an organic solvent; as the hole mobility can be effectively improved through a large two-dimensional conjugate plane structure, the material is applied to a perovskite solar cell, the stability of a device can be improved, the current density and the high photoelectric conversion rate are increased, and the material has the broad application prospects.
Owner:CENT SOUTH UNIV
Organic compound, charge-transporting material, and organic electroluminescent element
ActiveUS20090191426A2Good electron transport propertiesSatisfactory durabilityOrganic chemistryElectroluminescent light sourcesOrtho positionTriplet state
Owner:PIONEER CORP +1
Perovskite solar cell with hole transport system free of ionic additive
InactiveCN104201285AImprove stabilityGood hole transport propertiesSolid-state devicesSemiconductor/solid-state device manufacturingElectrical batteryPerovskite (structure)
The invention discloses a perovskite solar cell with a hole transport system free of ionic additive. The perovskite solar cell comprises a substrate, a transparent electrode, an electron transport layer, a light absorbing layer, a hole transport layer and a top electrode, all of which are orderly stacked on each other, wherein the light absorbing layer is made of a photovoltaic material with a perovskite structure; the hole transport layer contains no ionic additive, and instead, is doped or interface-modified by use of a non-ionic material. The perovskite solar cell with the hole transport system free of ionic additive has the advantages that the hole transport material is doped or interface-modified by use of a common non-ionic p type doping material and a similar effect to an ionic additive can be achieved, and meanwhile, the influence of water molecule can be effectively avoided and the stability of a device can be improved.
Owner:PEKING UNIV
Arylamine derivative and organic electroluminescent device thereof
InactiveCN109336834AGood hole transport propertiesPass wellOrganic chemistrySolid-state devicesOrganic light emitting deviceThermal stability
The invention provides an arylamine derivative and an organic electroluminescent device thereof, and relates to the technical field of organic photoelectric materials. According to the invention, a fluorene-derived group and a large steric hindrance group are bonded with a main structure of triarylamine to obtain the arylamine derivative. The arylamine derivative has good hole transporting abilityand thermal stability, is liable to form a film, simple to synthesize and easy to operate, can be applied to the organic electroluminescent device as a hole transporting layer, and can effectively solve problems that the hole transporting material in the organic electroluminescent device is poor in thermal stability, low in possibility of forming a film, low in light-emitting efficiency of deviceand serious in roll-off; and the organic electroluminescent device has the advantages of low driving voltage, high light-emitting efficiency and long service life.
Owner:CHANGCHUN HYPERIONS TECH CO LTD
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