125results about How to "Suitable for large-scale industrial use" patented technology

The invention provides a selective leaching agent and recovery method for metal components in positive electrode materials. The leaching agent is a solution containing a reducing agent, ammonium salt and ammonia water, and the reducing agent is a reducing substance under alkaline conditions. , the concentration of ammonia water in the leaching agent is 0-10 mol / L, the concentration of ammonium ion is 0-8 mol / L, and the concentration of reducing agent is 0-2 mol / L. The leaching agent provided by the invention has a wide range of sources, cheap raw materials, high leaching selectivity and leaching rate (up to 90%), and the prepared lithium carbonate has a purity of 99%, which is used to reclaim Li, Co and Ni in positive electrode materials. The introduction of hetero ions in the existing acid leaching process is avoided, the separation and purification process is simplified, the recycling of the leaching agent is realized, the treatment cost is reduced, and the method is suitable for large-scale industrial production.

The present invention discloses a kind of catalyst for water vapor reformation of ethanol to prepare hydrogen and its preparation process and use. The catalyst includes composite carrier of alumina and magnesia and at least one of carried transition metal, transition metal alloy, and transition metal-RE metal mixed oxide. The preparation process includes the following steps: preparing catalyst carrier, compounding water solution of nitrate, setting the carrier into the water solution of nitrate and adding urea via stirring, evaporating to eliminate water, stoving, grinding and roasting. The catalyst has low carrier cost and simple preparation process, is used in water vapor reformation of ethanol to prepare hydrogen, and can result in low reaction temperature, high hydrogen selectivity and no generation of side products ethylene, acetaldehyde, etc.

The invention provides a white-light OLED (organic light emission diode) device. The device comprises a glass substrate as well as a red light color conversion layer, an anode, a hole-transmission layer, a blue light emitting layer, an electronic transmission layer and a cathode which are stacked sequentially, wherein a yellow light color conversion layer is arranged on one surface, facing air, of the glass substrate; the materials of the red light color conversion layer comprise a red light fluorescent material and a red light host material; the materials of the blue light emitting layer comprise a blue light fluorescent material and a blue light host material or comprise a blue light phosphor material and a phosphor host material; the materials of the yellow light emitting layer comprise yellow fluorescent powder and a photocuring adhesive; the light absorption wavelength peak of each of the red light fluorescent material and the yellow fluorescent powder ranges from 460 nm to 470 nm; the material of the anode adopts metal gold or silver. The white-light OLED device can realize emission of white light with stable light color. The invention further provides a preparation method of the white-light OLED device.

The invention relates to a water-borne epoxy composite-containing emulsified asphalt cold-recycling agent and a preparation method thereof. The cold-recycling agent is prepared from the following components in parts by mass: 100 parts of emulsified asphalt and 10-20 parts of water-borne epoxy composite, wherein the water-borne epoxy composite comprises a component A and a component B, the component A is prepared from the following ingredients in parts by mass: 100 parts of water-borne epoxy emulsion, 10-25 parts of waterborne blocked polyurethane, 0.5-2 parts of associated thickener and 0.5-2 parts of coupler, and the component B is prepared from the following ingredients in parts by mass: 100 parts of an amine water-borne epoxy curing agent and 10-20 parts of accelerant. Compared with the prior art, the water-borne epoxy composite-containing emulsified asphalt cold-recycling agent belongs to a homogeneous system, has an excellent low-temperature flexibility, high-temperature stability, excellent water stability, good abrasion resistance and high early strength while the strength is improved, and the mixed material has excellent pavement performances and can be directly applied to the surface layer of pavement.

The invention relates to a preparation method of a Ce2S3 / TiO2 nanosheet composite. According to the method, a small amount of titanium dioxide is doped into cerium sesquisulphide to obtain a cheap andefficient photocatalyst, and specifically, the Ce2S3 / TiO2 nanosheet composite is prepared from titanium dioxide, cerium nitrate hexahydrate and thioacetamide through a hydrothermal method and a calcination reaction. The Ce2S3 / TiO2 nanosheet composite involved in the invention is capable of rapidly degrading organic pollutant, especially dye organic pollutant in wastewater into pollution-free substances such as H2O and CO2 under normal temperature, normal pressure and illumination, and has lasting photocatalytic activity.

The invention provides an organic light-emitting device which comprises an anode substrate, a functional layer, a light-emitting layer, a cathode and an encapsulation layer. Enclosed space is formed by the anode substrate and the encapsulation layer, and the functional layer, the light-emitting layer and the cathode are held in the enclosed space. The encapsulation layer sequentially comprises an organic material film layer, a thermal buffering layer, an inorganic material film layer and a polyethylene glycol terephthalate film layer, wherein the thermal buffering layer is made of SiO or SiO2, and the inorganic material film layer is made of mixed materials formed by V2O5 or MoO3 or ITO or TiO2 or WO3 or GeO2 doped with SiO or SiO2. The encapsulation layer can effectively reduce erosion of oxygen and moisture on the organic light-emitting device, rapid heat conduction can be achieved, heat is evacuated, and therefore the service life of the organic light-emitting device can be effectively prolonged. The invention further provides a preparation method of the organic light-emitting device.

The invention provides an organic electroluminescent device comprising an anode conductive substrate, a functional layer, a luminescent layer, a cathode layer, a protective layer, and an encapsulating layer. The encapsulating layer comprises an insulating layer, metallic layers, and plate glass. The insulating layer is arranged in a surrounding manner along the edge of the top surface of the anode conductive substrate. A groove is surrounded by the insulating layer surrounding structure. The functional layer, the luminescent layer, the cathode layer, and the protective layer are successively extended from the top surface of the anode conductive substrate to the groove. The metallic layers are disposed on the top surface of the insulating layer and a gap is arranged between the metallic layers and the functional layer, the luminescent layer, the cathode layer, and the protective layer. The sum of heights of the insulating layer and the metallic layers is more than that of the functional layer, the luminescent layer, the cathode layer, and the protective layer. The plate glass is disposed on the top surfaces of the metallic layers. The invention also provides a method for producing the organic electroluminescent device. The method effectively reduces erosion, caused by moisture and oxygen, on the device, and substantially prolongs the service life of the device.

The invention discloses a method for treating excrements in a farm. The method for treating the excrements in the farm sequentially comprises the following steps: (1) adding biomass materials into excrements in the farm and mixing to obtain an animal excrement mixture; (2) carrying out solid-liquid separation on the animal excrement mixture to obtain solid excrements and wastewater; 3) carrying out dry distillation on the solid excrements to obtain animal excrement activated carbon, animal excrement carbon and fuel gas formed by pyrolysis of the animal excrement mixture; and 4) filtering the wastewater. The excrements in a large-medium-scale farm are treated by the method disclosed by the invention, the farm environment can be significantly improved, the problem of treatment of excrements in the farm is effectively solved, and novel environmental pollution cannot be caused, the process is rapid, convenient and easily implemented, has obvious effect and is suitable for industrial large-scale application.

The invention provides an organic electroluminescent device, including a light transmission substrate, and a light extraction layer, an anode, an organic luminous functional layer and a cathode which are stacked on the light transmission substrate in sequence. The light extraction layer includes a plurality of oxide layers parallelly arranged on the surface of the light transmission substrate at intervals, a sulfide layer that covers the surfaces of the light transmission substrate and the oxide layers, and a transparent polymer film that covers the surface of the sulfide layer, the oxide layers are in the shapes of long strips, oxides are one or more of titanium dioxide, silicon dioxide and zirconium dioxide, the thickness of the oxide layers is 5 to 10 [mu]m, and the sulfide layer is a continuous thin film layer and has a wave-shaped curved surface structure. According to the organic electroluminescent device, through the arrangement of the light extraction layer, a critical angle of total reflection of an interface of the light transmission substrate is increased, thereby increasing the light extraction efficiency between the light transmission substrate and the anode, and improving the luminous efficiency of the device. The invention also provides a preparation method of the organic electroluminescent device.

The invention provides an organic light-emitting device comprising a conductive anode substrate, a hole injection layer, a hole transport layer, a luminescent layer, an electron transport layer, an electron injection layer and a composite cathode layer. The above-mentioned layers are successively laminated. The composite cathode layer includes a first metal layer, a doping layer, and a second metal layer, wherein the layers are successively laminated. The first metal layer is made of a metal material with the work function less than -3.5eV; the doping material is made of a mixing material formed by titanium dioxide doped with fullerene or a fullerene derivative, wherein the fullerene is C60 or C70 and the fullerene derivative is [6,6]-phenyl-C61-butyric acid methyl ester or [6,6]-phenyl-C71-butyric acid methyl ester; and the second metal layer is made of silver, aluminum, platinum, or gold. Because of the composite cathode layer, the light can be scattered, thereby improving the luminous efficiency of the device. In addition, the invention also provides a preparation method of the organic light-emitting device.

The invention provides an organic light emitting diode device. The organic light emitting diode device includes a transparent electric conduction anode substrate as well as a light-emitting functional layer and a cathode which are sequentially stacked on the transparent electric conduction anode substrate, wherein the cathode includes a cathode layer and a second cathode layer which are stacked sequentially; the first cathode layer comprises a plurality of strip-shaped oxide / metal / oxide composite layers which are arranged on the light-emitting functional layer at intervals; the second cathode layer comprises a metal oxide layer, an alloy layer and an electric conduction oxide thin film layer which are stacked sequentially, wherein the metal oxide layer is made of at least two kinds of materials selected from Nb2O5, V2O5 and Ta2O5, and the alloy layer is made of magnesium-silver alloy or lithium-aluminum alloy. The organic light emitting diode device can be adopted as a transparent product when not being lit; and when the organic light emitting diode device works normally, the light extraction contrast of the anode and cathode is (15 to 20):1. The invention also provides a preparation method of the organic light emitting diode device.

The invention provides an organic light-emitting device which comprises an anode conductive substrate, a hole injection layer, a hole transporting layer, a luminescent layer, an electron transporting layer, an electron injection layer and a cathode which are successively stacked. The organic light-emitting device also contains a protective layer arranged on the surface of the cathode. The protective layer successively comprises an organic barrier layer, an inorganic barrier layer and a moisture absorption layer. The material of the inorganic barrier layer is metallic telluride which is one or more of Sb2Te3, Bi2Te, CdTe, In2Te3, SnTe and PbTe. The material of the moisture absorption layer is calcium oxide, barium oxide, strontium oxide or magnesium oxide. The invention also provides a preparation method of the organic light-emitting device. By the method, erosion of active materials such as steam, oxygen and the like to the organic light-emitting device can be effectively reduced, and service life of the organic light-emitting device is prolonged.

The invention provides an organic light-emitting device which comprises an anode conductive substrate, a functional layer, a light-emitting layer, a cathode layer and an encapsulation layer, wherein the anode conductive substrate, the functional layer, the light-emitting layer, the cathode layer and the encapsulation layer are stacked in sequence. Enclosed space is formed by the anode conductive substrate and the encapsulation layer, and the functional layer, the light-emitting layer and the cathode layer are arranged in the enclosed space. The encapsulation layer sequentially comprises an organic barrier layer, an inorganic barrier layer and a polyethylene terephthalate film, and the organic barrier layer and the inorganic barrier layer are stacked alternately to form a multilayered structure. The invention further provides a preparation method of the organic light-emitting device. The method can effectively reduce erosion of moisture and oxygen on the organic light-emitting device, and therefore organic functional materials and electrodes of the organic light-emitting device are effectively protected, light transmittance of the organic light-emitting device is improved, and the service life of the organic light-emitting device can be remarkably prolonged. The method is particularly suitable for encapsulation of flexible organic light-emitting devices.

The invention provides an organic light emission diode device. The organic light emission diode device comprises a substrate and a reflection layer, a light scattering layer, a first transmitting electrode, a light emission functional layer and a second transmitting electrode which are sequentially laminated on the substrate, the material of the light scattering layer comprises nanoparticles and a polymer material, the nanoparticles are ceramic or high-polymer material particles with grain size of 50 to 1,500 nanometers, the polymer material is a heat cured polymer or photo cured polymer material, the thickness of the light scattering layer is 10 to 100 micrometers, the material of the reflection electrode is a metal membrane, and the metal membrane comprises metal elemental gold, silver, aluminum, copper, nickel, platinum and magnesium or an alloy formed by any combination thereof. In the organic light emission diode device, through the arrangement of the light scattering layer on the surface of the reflection electrode, the reflectivity of the device is greatly reduced, so that the contrast of the device is improved. The invention also provides a fabrication method of the organic light emission diode device.

The invention provides an organic electroluminescent device which comprises the components of: an anode substrate, a light emitting functional layer, a cathode and a packaging layer; wherein the anode substrate, the light emitting functional layer, the cathode and the packaging layer are successively laminated. The packaging layer has a composite structure which is formed through repeatedly arranging packaging layer units. Each packaging layer unit comprises a mixed barrier layer and an inorganic barrier layer which are successively laminated. The mixed barrier layer is made of a mixed material which is formed by doping an organic material, a metal oxide and a metal. The metal oxide is molybdena, vanadic anhydride, tungsten trioxide, cesium oxide, nickel oxide or manganese dioxide. The inorganic barrier layer is made of a mixed material which is formed by a metal fluoride and a metal sulfide. The metal fluoride is lithium fluoride, cesium fluoride, magnesium fluoride, aluminum fluoride, calcium fluoride or barium fluoride. The metal sulfide is cadmium sulfide, lead sulfide, iron disulfide, copper sulfide, zinc sulfide or nickel sulfide. The invention further provides a preparation method for the organic electroluminescent device. The preparation method can effectively reduce erosion of water and oxygen to the organic electroluminescent device, and prolongs service life of the organic electroluminescent device.

The invention belongs to the technical field of sewage treatment and particularly relates to a preparation method of a novel liquid-state nano complex flocculant. The preparation method comprises thefollowing steps: step 1, taking waste liquid containing hydrochloric acid, corroded aluminum and oxidized ferric, discharged in production processes, as raw materials, and performing stirring treatment for reacting to generate an aluminum chloride and ferric chloride mixture solution; step 2: adding the aluminum chloride and ferric chloride mixture solution generated in the reaction to a sodium hydroxide solution, adjusting the solution to a certain pH value, and standing the solution for a period of time to obtain a polymeric aluminum ferric chloride (PAFC) solution; and step 3, adding the obtained PAFC solution to an organic cation polymer product to generate a nano flocculant. The nano complex flocculant prepared by the preparation method provided by the invention has the beneficial effects that the nano complex flocculant belongs to an efficient complex variety, and pesticide wastes are used as raw materials, so that waste utilization is realized, ecological environment protectionis realized, and green cyclic development of agriculture is promoted; and compared with a traditional solid-state product, the nano complex flocculant has the advantages of high reaction speed, full reaction, uniform concentration and greatly improved treatment efficiency.

The invention provides an organic light emission diode device. The organic light emission diode device comprises a substrate and an anode, a light emission functional layer and a cathode which are sequentially laminated on the substrate, a light matching layer and a light extraction layer are sequentially arranged on the surface of the cathode, the material of the light extraction layer comprises nanoparticles and a polymer material, the nanoparticles are ceramic or high-polymer material particles with the grain size of 50 to 1,500 nanometers, the polymer material is a heat cured polymer or photo cured polymer material, the thickness of the light extraction layer is 10 to 100 micrometers, the material of the light matching layer is a mixed material formed by metal and an organic material, the metal is silver, aluminum or magnesium, and the organic material is N,N'-diphenyl-N,N'-bis(1-naphthyl)-1,1'-biphenyl-4,4'-diamine, copper phthalocyanine or 8- hydroxyquinoline aluminum. The luminous efficiency of the cathode of the organic light emission diode device is high, so that the luminous efficiency of the device is improved. The invention also provides a fabrication method of the organic light emission diode device.

The invention provides an organic light-emitting diode which comprises an anode conductive substrate, a light-emitting function layer, a cathode layer and a packaging layer which are laminated sequentially, wherein the packaging layer is in a composite structure formed by overlapping a packaging layer unit; and the packaging layer unit comprises a first organic barrier layer, a second organic barrier layer, a first inorganic barrier layer, a third organic barrier layer, a fourth organic barrier layer and a second inorganic barrier layer which are laminated sequentially. The invention further provides a preparation method of the organic light-emitting diode. The method can effectively reduce corrosion of water vapor and oxygen to the organic light-emitting diode, so that an organic function material and an electrode of the organic light-emitting diode are effectively protected, the light transmittance of the organic light-emitting diode is improved, and the service life of the organic light-emitting diode can be prolonged significantly. The method is particularly suitable for packaging a flexible organic light-emitting diode.

The invention provides an organic light-emitting diode which comprises an anode conductive substrate, a light-emitting functional layer, a cathode layer and a packaging layer which are laminated sequentially, wherein the packaging layer is in a composite structure formed by overlapping a packaging layer unit; and the packaging layer unit comprises a first organic barrier layer, a second organic barrier layer, a first inorganic barrier layer, a third organic barrier layer, a fourth organic barrier layer and a second inorganic barrier layer which are laminated sequentially. The invention further provides a preparation method of the organic light-emitting diode. The method can effectively reduce corrosion of water vapor and oxygen to the organic light-emitting diode, so that an organic functional material and an electrode of the organic light-emitting diode are effectively protected, and the service life of the organic light-emitting diode can be prolonged significantly. The method is particularly suitable for packaging a flexible organic light-emitting diode.

The invention provides an organic light emitting diode device. The organic light emitting diode device include an anode electric conduction substrate, a light-emitting functional layer, a cathode layer and an encapsulation layer which are stacked to one another sequentially; the encapsulation layer comprises at least one encapsulation unit, wherein the encapsulation unit includes a silicon oxynitride barrier layer, a first inorganic barrier layer and a second inorganic barrier layer which are stacked to one another sequentially, wherein the silicon oxynitride barrier layer is made of a silicon oxynitride compound, and the first inorganic barrier layer is made of an oxide of IIIA-family metal, and the second inorganic barrier layer is made of an oxide of IVB-family metal. According to the organic light emitting diode device, multi-layer material alternate encapsulation is adopted, so that the organic light emitting diode device has high density, and erosion of the organic light emitting diode device, which is caused by oxygen and water vapor, can be effectively reduced, and therefore, the service life of the organic light emitting diode device can be greatly prolonged. The invention also provides a preparation method of the organic light emitting diode device.

The invention provides an organic electroluminescent device. The organic electroluminescent device comprises an anode conductive substrate, a cavity implantation layer, a cavity transmission layer, a luminescent layer, an electron transmission layer, an electron injecting layer, a cathode layer and a packaging layer which are successively stacked. The anode conductive substrate and the packaging layer form an enclosed space, and the cavity implantation layer, the cavity transmission layer, the luminescent layer, the electron transmission layer and the electron injecting layer and the cathode layer are accommodated in the enclosed space. The packaging layer comprises a protective layer, a fluoride layer, an organic silicon layer and a poly(ethylene terephthalate) membrane which are successively stacked. The invention further provides a preparation method of the organic electroluminescent device. According to the invention, the method can effectively reduce corrosion caused by oxygen and steam to the organic electroluminescent device, forms effective protection of the organic function material of the device and electrodes, and can substantially prolong the life of the organic electroluminescent device. The method is especially suitable for packaging a flexible organic electroluminescent device.

The invention provides an organic light-emitting device which sequentially comprises an anode conductive substrate, a functional layer, a light-emitting layer, a cathode layer and an encapsulation layer. Enclosed space is formed by the anode conductive substrate and the encapsulation layer, and the functional layer, the light-emitting layer and the cathode layer are arranged in the enclosed space. The encapsulation layer sequentially comprises a protective layer, a barrier layer and a polyethylene terephthalate film, wherein the barrier layer sequentially comprises a first organic barrier layer, an oxide layer, a second organic barrier layer and a nitride layer, the first organic barrier layer and the second organic barrier layer are made of different materials, the first organic barrier layer, the oxide layer, the second organic barrier layer and the nitride layer form a basic structure, and the barrier layer is formed by multiple basic structures in a repeated mode. The invention further provides a preparation method of the organic light-emitting device. The method can effectively reduce erosion of moisture and oxygen on the organic light-emitting device, and the service life of the organic light-emitting device can be remarkably prolonged.

The invention provides an organic light-emitting device comprising a conductive anode substrate, a hole injection layer, a hole transport layer, a luminescent layer, an electron transport layer, an electron injection layer and a composite cathode layer. The above-mentioned layers are successively laminated. The composite cathode layer includes a fullerene or fullerene derivative layer, a metal phthalocyanine compound layer and a conductive oxide layer, wherein the layers are successively laminated. The material forming the fullerene or fullerene derivative layer is C60, C70, [6,6]-phenyl-C61-butyric acid methyl ester or [6,6]-phenyl-C71-butyric acid methyl ester; the metal phthalocyanine compound layer is made from copper phthalocyanine, zinc phthalocyanine, vanadium phthalocyanine, or magnesium phthalocyanine; and the a conductive oxide layer is made from indium tin oxide, aluminium-zinc oxide or indium zinc oxide. Because of the composite cathode layer, the light can be scattered, thereby improving the luminous efficiency of the device. In addition, the invention also provides a preparation method of the organic light-emitting device.

The invention provides an organic light emission diode device. The organic light emission diode device comprises a substrate, and a reflection electrode, a crystallization organic layer, a first transmission electrode, a light emission function layer and a second transmission electrode which are sequentially laminated on the substrate, the material of the crystallization organic layer comprises an active crystallization material and an induction crystallization material, the active crystallization material is copper phthalocyanine, and the induction crystallization material is N,N'-diphenyl-N,N'-bis (3-methyl phenyl)-1,1'-biphenyl-4,4'-diamine or 4,7-bis (4-tri-aminoethyl)-2,1,3-diazosulfide. In the organic light emission diode device, through the arrangement of the crystallization organic layer formed by the active crystallization material and the induction crystallization material on the surface of the reflection electrode, the reflectivity of the device is greatly reduced, and the device has the characteristics of high contrast and excellent luminous efficiency. The invention also provides a fabrication method of the organic light emission diode device.

The invention provides an organic light emission diode device which comprises a substrate, an anode, a light emission functional layer and a cathode, the cathode comprises a first doping layer and a second doping layer which are sequentially laminated, the material of the first doping is a mixed material formed by organic particles and metal, the mass rate of the organic particles to the metal is (0.6-1.2):1, the grain size of the organic particles is 10 to 100 nanometers, the organic particles are an electron-transmitted organic material, the material of the second doping layer is a mixed material formed by inorganic particles and metal, the mass rate of the inorganic particles to the metal is (0.02-1):1, the grain size of the inorganic particles is 10 to 50 nanometers, the inorganic particles are one or more of silicon monoxide, silicon dioxide, titanium dioxide and tungsten oxide, and the metal is elementary substance of gold, silver, aluminum or magnesium. The luminous efficiency of the cathode of the organic light emission diode device is high, therefore, the luminous efficiency of the device is improved. The invention also provides a fabrication method of the organic light emission diode device.

The invention provides an organic light-emitting device comprising a conductive anode substrate, a hole injection layer, a hole transport layer, a luminescent layer, an electron transport layer, an electron injection layer and a composite cathode layer. The above-mentioned layers are successively laminated. The composite electrode layer consists of a zinc compound layer, an organic material layer, a metal layer and a passivation layer, wherein the layers are successively laminated. The zinc compound layer is made of a material from zinc oxide, zinc sulfide, zinc selenide, or zinc chloride; the organic material layer is made of an organic material with the highest occupied molecular orbital (HOMO) energy level of -6.5eV to -7.5eV and the glass-transition temperature of 50 to 100 DEG C; the metal layer is made of silver, aluminum, platinum or gold; and the passivation layer is made from silicon dioxide, aluminium oxide, or copper oxide. Because of the composite cathode layer, the light can be scattered and then be emitted to the bottom of the device, thereby improving the luminous efficiency of the device. In addition, the invention also provides a preparation method of the organic light-emitting device.

The invention provides an organic light emitting diode device. The organic light emitting diode device includes a transparent electric conduction anode substrate as well as a light-emitting functional layer and a cathode which are sequentially stacked on the transparent electric conduction anode substrate, wherein the cathode includes a cathode layer and a second cathode layer which are stacked sequentially; the first cathode layer comprises a plurality of strip-shaped metal layers which are arranged on the light-emitting functional layer at intervals, wherein the metal layers are made of Al, Ag, Au, Cu, Ca or Ba; and the second cathode layer comprises a metal oxide layer, an alloy layer and an electric conduction oxide thin film layer which are stacked sequentially, wherein the metal oxide layer is made of at least two kinds of materials selected from Nb2O5, V2O5 and Ta2O5, and the alloy layer is made of magnesium-silver alloy or lithium-aluminum alloy. The organic light emitting diode device can be adopted as a transparent product when not being lit; and when the organic light emitting diode device works normally, the light extraction contrast of the anode and cathode is (30 to 40):1. The invention also provides a preparation method of the organic light emitting diode device.

The invention provides a white-light OLED (organic light emission diode) device. The device comprises a conductive anode substrate as well as a hole-transmission layer, a blue light emitting layer, an electronic transmission layer and a cathode which are stacked on the conductive anode substrate sequentially, wherein the conductive anode substrate comprises a glass substrate and a conductive anode arranged on the glass substrate, and a red light color conversion layer is arranged on one surface, facing air, of the glass substrate; materials of the red light color conversion layer comprise a red light fluorescent material, scattering nanoparticles and a photocuring adhesive, and the light absorption wavelength peak of the red light fluorescent material ranges from 460 nm to 470 nm; the materials of the blue light emitting layer comprise a blue light fluorescent material and a blue light host material, and the light absorption wavelength peak of the blue light fluorescent material ranges from 460 nm to 470 nm. The white-light OLED device can realize emission of white light with stable light color, and the light emitting efficiency can be improved by means of the red light color conversion layer. The invention further provides a preparation method of the white-light OLED device.

Provided in the invention is an organic light-emitting device comprising a substrate, an anode, a functional layer, a cathode, a packaging layer, and a packaging cover. The substrate, the anode, the functional layer, the cathode, the packaging layer, and the packaging cover are successively laminated. The substrate and the packaging cover form an enclosed space; and the anode, the functional layer, the cathode, and the packaging layer are accommodated into the enclosed space. The packaging layer successively includes a protection layer, an oxygen-nitrogen compound film, an organic blocking layer, a moisture absorbing layer, and a cooling layer; and the oxygen-nitrogen compound film is an oxide film doped with nitride. In addition, the invention also provides a preparation method of the organic light-emitting device. With the method, erosion on the organic light-emitting device by moisture and oxygen can be effectively reduced, so that the device organic functional material and the electrode can be effectively protected and thus the service life of the organic light-emitting device can be obviously prolonged. The method is especially suitable for packaging of a flexible organic light-emitting device.

The invention provides an organic light emitting diode device. The organic light emitting diode device includes an anode electric conduction substrate, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, an electron injection layer, a cathode layer and an encapsulation layer which are stacked to one another sequentially; the anode electric conduction substrate and the encapsulation layer form a closed space; the hole injection layer, the hole transport layer, the light-emitting layer, the electron transport layer, the electron injection layer and the cathode layer are accommodated in the closed space; and the encapsulation layer includes hybrid barrier layers and inorganic barrier layers which are stacked sequentially, wherein the hybrid barrier layers are made of a mixture of phthalocyanine, fluoride, an organic material and an oxide, and the inorganic barrier layers are made of titanium dioxide, zirconium dioxide or hafnium dioxide. The method provided by the invention is especially suitable for the encapsulation of flexible organic light emitting diode devices.