39results about How to "High water and oxygen barrier" patented technology

The invention belongs to the technical field of microelectronic and flat panel display, and particularly relates to a flexible ZnO based thin film transistor and a preparation method thereof. The flexible thin film transistor comprises a flexible substrate, a flat layer, an isolation buffer layer, a gate, a gate insulating layer, a source electrode, a drain electrode and semiconductor channel layers. N type and P type zinc oxide semiconductor channel layers are prepared by using a simple inorganic solution method, and the temperature of the whole process is controlled within 200 DEG C. When in manufacturing, the flat layer and the isolation buffer layer with the same thickness are grown at two sides of the substrate, the flexible substrate bending in the process is alleviated through a thermal annealing mode, and the subsequent lithography alignment accuracy is improved. According to the transistor and the preparation method, the maneuverability and stability of the flexible TFT and subsequent devices can be improved, the preparation process is simple, and the production cost is low.

The invention discloses a flexible OLED substrate. The flexible OLED substrate comprises a flexible transparent substrate, a transparent conductive layer, a water and oxygen blocking layer and an electrode modification layer, wherein the flexible transparent substrate and the transparent conductive layer are arranged opposite to each other, the water and oxygen blocking layer is arranged between the flexible transparent substrate and the transparent conductive layer, the electrode modification layer is arranged at one side, deviating from the water and oxygen blocking layer, of the transparentconductive layer, the sheet resistance of the transparent conductive layer is 10 ohms per sheet, the light transmittance is larger than 85%, and the water and oxygen permeation rate is lower than 10<-6>g/m<2>/d. The water and oxygen blocking layer having relatively high water and oxygen blocking performance is arranged, the transparent conductive layer with high conductivity, high light transmittance and low surface roughness is arranged, thus, the uniformity of an electric field in the device is effectively improved, the internal resistance energy consumption is reduced, and the performanceof the device is optimized; and moreover, a conductive polymer is also introduced as the electrode modification layer, and the smoothness of a surface of the transparent conductive layer is further improved. The flexible OLED substrate can be used for a flexible OLED display and lighting device and has the advantages of low internal consumption, good light-emitting uniformity, high winding resistance and long lifetime.

The invention discloses mildew-proof and fresh-keeping coated paper and a processing method thereof. The mildew-proof and fresh-keeping coated paper is prepared from a mildew-proof and fresh-keeping coated paper raw paper layer and a blocking mildew-proof coating formed on the raw paper layer, wherein the blocking mildew-proof coating is prepared from the following components in parts by weight: 50 to 60 parts of polyvinylidene chloride emulsion, 10 to 20 parts of an ethylene-vinyl acetate copolymer emulsion, 1 to 5 parts of isocyanate, 5 to 20 parts of a micro-encapsulated mildew preventive,0.5 to 2 parts of emulsifying agent and 0.05 to 0.5 part of de-foaming agent; a capsule membrane material of the micro-encapsulated mildew preventive is cyclodextrin or chitosan; a capsule core of themicro-encapsulated mildew preventive is selected from at least one of an organic mildew preventive and an inorganic mildew preventive. The mildew preventive in the mildew-proof coating of the mildew-proof and fresh-keeping coated paper is subjected to micro-encapsulation treatment and the mildew preventive is covered with a bag film, so that the slow release and mildew prevention effects are realized and the mildew-proof and fresh-keeping coated paper can keep antibacterial and mildew-proof effects for a long time; the mildew-proof and fresh-keeping coating has good water-oxygen stopping performance and can keep moisture in packages constant.

The invention discloses a glue composition, comprising a block copolymer, an active diluent and a curing agent. The block copolymer includes an intermediate block and a first and second blocks connected to the two ends of the intermediate block; the intermediate block is a flexible chain segment; the first and second blocks are rigid chain segments; the active diluent includes an acrylate monomer.The polyurethane acrylate prepolymer of the prior art is replaced with the block copolymer; the block copolymer plays a physical filling role in the glue composition and penetrates the molecular chains of the active diluent; after the active diluent cures, a three-dimensional network structure is formed; the block copolymer has better stability than the polyurethane acrylate prepolymer; therefore, a composite made by curing the glue composition herein helps evidently improve the aging black edge problem under light conditions; in addition, the cost of the block copolymer is low, so that the replacement of the polyurethane acrylate prepolymer via the block copolymer helps reduce the cost.

The invention provides a display panel which is characterized in that the display panel comprises a substrate; wherein the organic light-emitting layer is positioned on one side of the substrate and comprises a plurality of sub-pixels for displaying light emission; and the packaging layer is arranged in the display light-emitting direction of the organic light-emitting layer, and the packaging layer is a diamond-like carbon film doped with metal elements and non-metal elements. The diamond-like carbon film is used as the packaging layer, so that the water-oxygen barrier performance of packaging can be improved, and the heat dissipation performance of the packaging layer can also be improved. The diamond-like carbon film is doped with metal elements and non-metal elements, so that the elasticity modulus of the diamond-like carbon film can be improved, the technical problem that the diamond-like carbon film is hard, crisp and easy to break is solved, and the thermal conductivity and thewater-oxygen barrier property of the diamond-like carbon film can be further improved. The diamond-like carbon film doped with metal elements and non-metal elements is used as a packaging layer, so that the packaging layer has the functions of effectively blocking water and oxygen and dissipating heat in time.

The invention discloses a composite film packaging method of a perovskite solar cell, and belongs to the technical field of film packaging. The method specifically comprises the steps: using decamethylcyclopentasiloxane for diluting a mixture of two precursors of PDMS according to the mass ratio of 1: 1, spin coating the diluted viscous mixture on the upper surface and the side surface of an organic metal halide perovskite solar cell, and then forming a film formed through ultraviolet light curing; then, carrying out remote plasma treatment on PDMS, and forming a compact SiOX film; and repeating the operation for many times to obtain a PDMS/SiOX laminated structure, thereby completing the composite film packaging of the organic metal halide perovskite solar cell. All packaging processes donot need high-temperature conditions, so that damage of high temperature to the perovskite solar cell is avoided; and according to the invention, the remote plasma technology is applied, and the packaging film with high water-oxygen barrier property can be grown at a low temperature.

The invention relates to a flexible OLED (Organic Light Emitting Diode) device thin film packaging method. According to the thin film packaging method, an inorganic/organic overlapping packaging structure is adopted, and the surface of each organic layer of the packaging structure is modified, so that the surfaces become hydrophobic, the size and quantity of pinholes are reduced, the water-oxygenisolation performance of the packaging structure is improved, and meanwhile stress between each inorganic layer and each organic layer is reduced; and the steps are repeated periodically, and a sacrificial layer is arranged in the packaging structure, so that the water-oxygen isolation performance of the packaging structure is further improved. Through the method, process procedures are simple, and the packaging effect is good.

The invention discloses a packaging film, a preparation method thereof and a photoelectric device, and the packaging film comprises a ceramic film and a composite film which are arranged in a laminated manner. The method comprises the steps: employing a sputtering and ion implantation combined method; injecting high-energy inert gas ions to inject an organic material and an inorganic material sputtered on the surface of the ceramic film into the ceramic film together, and forming an organic-inorganic mixed injection layer; when the injection layer is dense enough, forming a composite film is formed. Due to the injection of high-energy inert gas ions and the organic and inorganic materials, the holes in the ceramic film are reduced, the bonding performance between the ceramic film and the composite film is effectively enhanced, and the water and oxygen barrier performance of the packaging film is obviously improved; meanwhile, due to the injection of high-energy inert gas ions and the organic and inorganic materials, the surface of the ceramic film is modified, and the bending resistance of the packaging film is obviously enhanced.

The invention relates to a display device and a preparation method thereof, and a display device. The display device comprises a substrate, a pixel definition layer, a light emitting unit and a thin film packaging structure, wherein the pixel defining layer is located on the substrate and defines a pixel area and a non-pixel area, and the light emitting unit is arranged in the pixel area; the thinfilm packaging structure is located on the substrate and covers the pixel definition layer and the light emitting unit; the thin film packaging structure comprises a plurality of inorganic packaginglayers arranged in a stacked mode and organic packaging layers arranged between every two adjacent inorganic packaging layers, a protruding structure is arranged on the surface, away from the pixel definition layer, of at least one organic packaging layer, and the protruding structure on the organic packaging layers is arranged in the non-pixel area. The display device has high bending performance.

An organic metal halide perovskite solar cell composite packaging thin film and a preparation method thereof belong to the technical field of thin film packaging. The organic metal halide perovskite solar cell composite packaging thin film comprises a substrate, an organic metal halide perovskite solar cell on the substrate, an organic-inorganic hybridized isolation layer packaged on the surface of the perovskite solar cell, a composite barrier layer packaged on the surface of the hybridized isolation layer, wherein the hybridized isolation layer and the composite barrier layer together constitute the composite packaging thin film. The hybridized isolation layer is a methyl-rich aluminoxane or ethyl-rich zincoxane, is prepared by an unsaturated molecular layer deposition method, and has aneffect of protecting a device against damage during a packaging process. The composite barrier layer includes at least two inorganic barrier layers prepared by a remote plasma enhanced atomic layer deposition method, and an organic barrier layer prepared by a coating and curing method and located between the two adjacent inorganic barrier layers, and has a water and oxygen barrier effect.

The invention belongs to the display technological field and provides a display device and a preparation method thereof. The display device comprises a display module set and a thin film barrier layer; the thin film barrier layer is composed of a plurality of barrier thin films; and the thin film barrier layer covers the continuous adjacent surfaces of the display module set, wherein the continuous adjacent surfaces comprise at least a top surface, a bottom surface, a first direction side surface and a second direction side surface which are oppositely arranged between the top surface and thebottom surface. According to the display device and the preparation method thereof of the invention, the thin film barrier layer is adopted to realize bilateral or multilateral wrapping for the display module set, so that the travel distance of water and oxygen entering the display module set is greatly increased, namely, the thin film barrier layer which wraps two sides or a plurality of sides ofthe display module set prolong a penetration path through which the external water and oxygen enter the display module set, and therefore, the water and oxygen blocking performance of the display device can be greatly improved, the display device can be protected, and the service life of the display device can be prolonged; and the mechanical strength of the screen body of the display device is increased.

The invention discloses a packaging structure, a preparation method thereof and a photoelectric device. The packaging structure comprises an activated carbon thin film and an oxide thin film formed onthe activated carbon thin film, wherein the activated carbon thin film is of a porous structure, and the holes are closed holes. The packaging structure formed by the porous activated carbon film andthe oxide film can effectively prevent water and oxygen from corroding a device, and the service life of the device is prolonged; meanwhile, due to the use of the carbon material with high thermal conductivity, the thermal conductivity of the packaging material can be remarkably improved, thereby improving the stability of the device and prolonging the service life of the device. Besides, compared with traditional cover plate packaging, the packaging method has the advantages of being light, thin, efficient and the like, the defect that glass is fragile is overcome, and therefore the servicelife of the device is prolonged.

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 includes germanium carbonitride barrier layers and inorganic barrier layers which are stacked sequentially, wherein the germanium carbonitride barrier layers are made of a germanium carbonitride compound, and the inorganic barrier layers are made of B2O3:Cl, Al2O3:Cl, Ga2O3:Cl, In2O3:Cl and Tl2O3:Cl. 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 relates to a color filter and a liquid crystal display device. The color filter comprises a first substrate and a second substrate; the first substrate comprises a first underlayer, a first photoresist layer and a color filter layer, the first photoresist layer is arranged on the first underlayer and provided with a plurality of parallel filter grooves formed at intervals, the colorfilter layer comprises a plurality of filter units, and the filter units are arranged in the filter grooves in a one-to-one correspondence mode. The second substrate comprises a second underlayer anda second photoresist layer, and the second photoresist layer is arranged on the second underlayer and provided with a plurality of strip-shaped hollowed-out patterns which are arranged in parallel atintervals; the face where the second photoresist layer of the second substrate is located is connected with the face where the first photoresist layer of the first substrate is located, and the strip-shaped hollowed-out patterns and the filter grooves are perpendicularly arranged in an intersecting mode. According to the color filter, the manufacturing and assembling difficulty of the photoresistlayers is reduced, the light leakage phenomenon of the liquid crystal display device can be reduced through the cooperation of the first photoresist layer and the second photoresist layer, and the display contrast ratio of the liquid crystal display device is improved.

The invention discloses an encapsulation film, a preparation method and application thereof. The packaging film of the present invention includes ceramics and metal filled between ceramic grains. The packaging film of the invention has excellent water and oxygen barrier effect and excellent thermal conductivity, ensures the stability of the electrochemical performance of the packaged electronic components, and prolongs the working life of the electronic components. The preparation method ensures the structural stability of the encapsulation film and excellent water and oxygen barrier performance. Applications thereof include applications in electronic devices.

The invention provides a thin film packaging structure. The thin film packaging structure comprises a first packaging layer used for covering a structure to be packaged; the second packaging layer is formed on the first packaging layer; wherein the first packaging layer comprises a modified layered two-dimensional material and nanocellulose, the second packaging layer comprises a modified layered two-dimensional material and a polymer water-blocking oxygen film-forming material, and the surface of the modified layered two-dimensional material contains hydroxyl or amino. And the content of the modified layered two-dimensional material in the first packaging layer is greater than or equal to that of the modified layered two-dimensional material in the second packaging layer. The invention also provides a preparation method of the thin film packaging structure. The invention further provides a light-emitting device which comprises the thin film packaging structure.