415results about How to "Excellent performance" patented technology

A method for cancelling co-channel interference in a multi-carrier communication system includes receiving a serial baseband multi-carrier signal including at least one desired signal and at least one interference signal over at least one receiving branch, and converting the received multi-carrier signal into a plurality of baseband sub-carrier signals. Co-channel interference in each sub-carrier signal is cancelled by subtracting an estimated desired received sub-carrier signal and an estimated interference sub-carrier signal from a received sub-carrier signal. The sub-carrier signals are converted to a multi-carrier output signal comprising the desired signal.

The invention discloses a three-dimensional convolution and Faster RCNN-based video action detection method. The method comprises the steps of firstly introducing a new model, and encoding a video stream by using a three-dimensional full convolutional network; secondly generating candidate time regions comprising actions based on generated features, and generating a group of candidate frames; andfinally performing classified detection on the candidate frames subjected to different film editing, thereby predicting action types and video action starting and ending time in the video stream, andpredicting spatial position boundary frames of the actions. Compared with an existing method, the method provided by the invention has excellent performance in unpruned data set video time sequence action detection, and can realize action localization in the absence of spatial labeling information.

The invention discloses a nematic phase liquid crystal composition comprising a compound with a first component shown as the general formula I, a compound with a second component shown as the general formula II, a compound with a third component shown as the general formula III, a compound with a fourth component shown as the general formula IV and a compound with a fifth component shown as the general formula V. The nematic phase liquid crystal composition disclosed by the invention has very low overall response time, lower voltage, high resistivity and voltage retention rate, low viscosity, short response time and proper optical anisotropy and dielectric anisotropy; after being treated at high temperature, the nematic phase liquid crystal composition still has high resistivity and excellent high temperature and ultraviolet stability, can be used for a photoelectric display with an active matrix address, and is particularly suitable for manufacturing active matrix TN-TFT (Twisted Nematic Thin Film Transistor) and IPS-TFT (In-Plane Switching Thin Film Transistor) liquid crystal display elements and liquid crystal displays which are rapid in response.

The invention provides a method for loading nanometer titanium dioxide on the surface of a carrier material. The method is characterized in that: the carrier material is washed; by using a silicasol solution with the weight percentage of between 5 and 25 percent, a binder coating is prepared on the surface of the carrier; and the binder coating is sprayed with a nanometer TiO2 ethanol suspension, so that the nanometer TiO2 is loaded on the surface of the carrier material. Because the binder is coated first, and then the nanometer TiO2 material is adhered to the surface of the carrier, the nudity of the nanometer particle is ensured maximally. The coating of the binder and the adhesion of the photocatalyst are completed by different working procedures, the distribution condition of the binder on the carrier surface and the loading capacity of the catalyst can be adjusted more easily as required, so that the best performance is achieved.

The invention belongs to the technical field of foundry, and relates to fly ash foundry coating. The invention provides foundry coating which is prepared through taking solid waste, namely the fly ash, which is produced after coal is burned as refractory aggregate, and the foundry coating is used for various nonferrous alloys and sand molds (cores) of iron castings. The foundry coating is prepared by materials according to the following weight proportion, the fly ash wt 20-100% and refractory powder wt 0-80% are taken as the refractory aggregate, and suspension concentrate, binder, thickener and carrier liquid are added to manufacture the foundry coating. The beneficial effects of the invention are that the invention provides the fly ash with an approach of waste secondary utilization, undisturbed fly ash is processed into refractory aggregate particle sizes which can be used for the foundry coating, the fly ash foundry coating which is manufactured can be applied to various different casts, performances such as coating high temperature crack resistance, coating surface strength, gas forming amount are good, and various requirements of the forging can be satisfied.

The invention relates to a preparation method of nitrogen-doped graphene. The preparation method comprises the following steps: adding raw materials of citric acid and melamine into methanol, stirring, performing ultrasonic treatment and drying to obtain a precursor, and calcining the precursor in a tubular furnace by two stages to finally obtain the nitrogen-doped grapheme. Compared with the prior art, the preparation method has the following advantages: the raw materials are wide in source; the steps are simple; requirements on equipment are low; in the preparation process, a reducing agent is not required, so that environment pollution is low; the prepared nitrogen-doped graphene is thin in sheet, large in specific surface area, uniform in structure and good in reproducibility.

The invention belongs to the technical field of building materials, and particularly relates to an energy-saving and waste-utilizing concrete block or board and a production method thereof. The energy-saving and waste-utilizing concrete block or board is composed of desulfurization gypsum, slag powder, ultrafine fly ash, cement, foaming agent, alkaline excitant, early strength agent, water reducer, mineral fiber and triethanolamine. The desulfurization gypsum is cold-dried. By the energy-saving and waste-utilizing concrete block or board, industrial waste such as the desulfurization and the slag powder can be consumed in a large amount and turned into treasure, and environmental pressure caused by stacking of the waste can be relieved. In addition, steam conservation is adopted, strength development of concrete block and board is accelerated, and early strength is improved greatly, so that reuse of moulds can be quickened, conservation space is economized, and the energy-saving and waste-utilizing concrete block or board is suitable for industrial production. Foamed concrete block and board produced has fine performances of light weight, heat insulation, sound absorption, flame retardancy and the like. The energy-saving and waste-utilizing concrete block or board is applicable to projects such as roof insulation, wall insulation, road sound absorption and building sound insulation.

The invention relates to a preparation method of lithium battery material, in particular to a preparation method of LiFePO4 which mainly solves the technical problems existent in the prior art such as the crystal shape of lithium iron phosphate is particle-shape, a post heat treatment is needed during the preparation process, the preparation step is complicated and the preparation cost is high. The invention comprises the following steps: charging a phosphor-containing compound solution and a surfactant into a ferric salt solution for hydrothermal synthesis, wherein the ratio of Fe atom and P atom is 1:1-1.5, the mol ratio of the compound containing Fe atom and the surfactant is 1:1-3; discharging air by introducing inert gas; charging a lithium salt solution inwhich the mol ratio of Fe atom and Li atom is 1:2.5-3.5; heating the mixture solution for hydrothermal treatment by introducing inert gas; drying the product after pumping filtration and washing to obtain flake or cylindrical LiFePO4 crystal.

This invention relates to magnesium-based alloys particularly suitable for casting applications where good mechanical properties at room and at elevated temperatures are required. The alloys contain: 2 to 4.5% by weight of neodymium; 0.2 to 7.0 of at least one rare earth metal of atomic No. 62 to 71; up to 1.3% by weight of zinc; and 0.2 to 0.7% by weight of zirconium; optionally with one or more other minor component They are resistant to corrosion, show good age-hardening behaviour, and are also suitable for extrusion and wrought alloy applications.

The invention relates to an iron tailing-based complex mineral admixture and a preparation process thereof. The preparation process comprises the following steps of: respectively drying iron tailing sand, industrial waste slag and limestone till water content is not more than 1% for later use; adding gypsum to match with iron tailings, the industrial waste slag and the limestone after drying, then sending into a ball grinding machine to perform powder grinding, and adding grinding aids during the powder grinding process; and uniformly mixing the obtained iron tailing powder, industrial waste slag powder and limestone powder to obtain the iron tailing-based complex mineral admixture. The iron tailing-based complex mineral admixture disclosed by the invention has the beneficial effects that 1) the iron tailings are matched with other industrial waste slag, the admixture for concrete is prepared by simple mechanical fine grinding, and the performance is better; 2) the performance is good, and the iron tailing-based complex mineral admixture can be used for preparing the concrete with the strength grade of C50-C80; 3) a variety of industrial wastes are scientifically and effectively compounded, the activity and particle size synergy of each component against cement and the concrete can be fully exerted to enable the advantages of all the components to complement each other, and the over-superimposed effect is further realized; and 4) the production process is simple and conductive to industrial production, popularization and application.

The invention discloses an energy-saving insulated flame-retardant water-proof corrosion-proof functional coating and a preparation method thereof. The functional coating is prepared from the following raw materials: an aqueous polyurethane dispersion, a flame retardant, a flame-retardant antismoke agent, a hollow glass bead, a wetting dispersant, an anti-settling agent, a thickening agent, water, a leveling agent and a de-foaming agent, has the functions of heat preservation, flame retarding, water prevention and corrosion resistance and the like, is unlikely to become yellow when in use, is safe and reliable, is excellent in performance, is good in compatibility with pigment dyestuff, is unlikely to damage the coated surface, is easy to modify, is nontoxic, is safe to use, does not pollute environment and is suitable for the fields of inner and outer wall coating, pipeline coating, wood furniture coating, decoration coating, chemical corrosion-proof coating and the like.

The invention provides a preparation method of a high-gloss and high-speed curing water-based ultraviolet light curing composition applied on a printing surface. The composition includes (1) polyhydric alcohols or polybasic acids containing double bonds in different proportions are polycondensed to form hydroxyl-terminated unsaturated polyesters as soft segments of polyurethane, and self-made hydroxyl-terminated water-based monomers containing double bonds and iso The reaction of phorone diisocyanate to prepare water-based photocurable polyurethane prepolymer; (2) react epoxy resin and acrylic acid to open the epoxy group, and then use acid anhydride to react with the hydroxyl group in the epoxy prepolymer to prepare water-based polyurethane prepolymer. Photocurable epoxy resin prepolymer; (3) Cold blend the two prepolymers, neutralize them with a weak base, add water to disperse them under high-speed stirring, and remove the solvent, thereby preparing a self-emulsifying water-based photopolymer. Cured composite resin. The invention can adjust various properties of the resin (paint) by adjusting the molar ratio of raw materials in the resin, and the prepared dispersion has small particle size (20nm-120nm), excellent performance and easy industrialization.

A Li-ion battery cell comprising a polymeric matrix positive electrode layer member, a polymeric matrix negative electrode layer member, and an interposed microporous polyolefin separator layer member is laminated into a unitary, flexible cell structure by means of heat and pressure without necessity of applied interlayer adhesive. A volatile vehicle solution of a primary plasticizer for the electrode member polymer matrix is applied to the microporous separator member where it is absorbed into the porous structure. Evaporation of the volatile vehicle solvent deposits the plasticizer upon and within the pores of the separator member. During the lamination operation the plasticizer is forced into contact with the electrode member polymer where it softens the polymer into a thermoplastic adhesive in the region of the electrode/separator interface, thereby enabling the electrode polymer alone to form a strong bond to the separator upon cooling.

This invention provides a cell package with a temperature regulation function including a package shell, in which, a phase change material of 0-60deg. C is filled between the cell set and the package and contacted with the cell set directly, which can prolong the life time of cells and reduce the cost.

The invention discloses a methanol gasoline and a preparation method thereof, relating to the field of new energy. The methanol gasoline comprises 15-30wt% of methanol, 67-83wt% of gasoline and 2-3wt% of additive. The preparation method comprises the following steps: pouring solubilizer, energy increasing and consumption reducing agent, anti-oxidant, metal corrosion inhibitor, rubber swelling inhibitor into a reaction vessel according to a required proportion with stirring, mixing uniformly to obtain an additive; mixing the additive with methanol according to a required proportion to obtain modified methanol; and mixing the modified methanol with gasoline according to a required proportion to obtain the methanol gasoline. The methanol gasoline disclosed in the invention has the advantagesof simple preparation and good performance, can be used mixed with a national standard gasoline in any proportion with similar energy consumption with the national standard gasoline and emission indexes that conforms to requirements of environmental protection, and can be widely used for various petrol-engined motor vehicles, such as car, carriage, fork truck, power-assisted vehicle, farm vehicle, motorcycle, load wagon and forklift.

The invention discloses fluorine silicon mixed making rubber and a preparation method thereof. Fluorine silicon basic rubber for preparing the mixed making rubber consists of fluorine silicon crude rubber A and fluorine silicon crude rubber B. The preparation method comprises the following steps of: adding methyl vinyl silicon rubber, a heat stabilizer, white carbon black treated by 3,3,3-trifluoropropylmethyl cyclotrisiloxane, a structure controlling agent and a concentrated cross-linking agent into the fluorine silicon basic rubber; adding the materials into a kneading machine; kneading the materials at the temperature of between 30 and 80 DEG C to form balls; heating the balls to 130 to 140 DEG C; performing vacuum kneading for 0.5 to 3 hours; discharging at the temperature of 100 DEG C; standing for 24 to 36 hours; performing back mixing and thin through; and extruding and filtering to obtain the fluorine silicon mixed making rubber. In the prepared fluorine silicon mixed making rubber, tensile strength is 11 to 13 MPa; breakage elongating ratio is 300 to 500 percent; tearing strength is 45 to 55 kN/m; and the tensile strength is 7 to 8 MPa after the fluorine silicon mixed making rubber is soaked with FAM-A oil (23 DEG C*48h).

A positive active material including a compound expressed by a general formula Li_mM_xM′_yM″_zO₂ (here, M designates at least one kind of element selected from Co, Ni and Mn, M′ designates at least one kind of element selected from Al, Cr, V, Fe, Cu, Zn, Sn, Ti, Mg, Sr, B, Ga, In, Si and Ge, and M″ designates at least one kind of element selected from Mg, Ca, B and Ga. Further, x is designated by an expression of 0.9≦x<1, y is indicated by an expression of 0.001≦y≦0.5, z is indicated by an expression of 0≦z≦0.5, and m is indicated by an expression of 0.5≦m) and lithium manganese oxide expressed by a general formula Li_sMn_2-tMa_tO₄ (here, the value of s is expressed by 0.9≦s, the value of t is located within a range expressed by 0.01≦t≦0.5, and Ma indicates one or a plurality of elements between Fe, Co, Ni, Cu, Zn, Al, Sn, Cr, V, Ti, Mg, Ca, Sr, B, Ga, In, Si and Ge) are included, so that both a large capacity and the suppression of the rise of temperature of a battery upon overcharging operation are achieved.

The invention discloses a method for the dynamic update of an iOS (Iphone Operation System) client based on a Lua. The method comprises the following steps: A, placing a business logic code prepared by a Lua script language on the appointed position of a server, and equipping the version number of an App code module of the relevant client on the server at the same time; B, when the client starts for operation, renewing the business logic code of a Lua script by visiting the server and inquiring the version number of the relevant App code module according to the version number; C, when the client is performed to the App code module, dynamically loading the downloaded business logic code of the Lua script through a Lua CAPI (Communication Application Program Interface), and parsing the business logic code of the Lua script by a Lua parser and a bridge in a client program, so as to achieve an aim of dynamic update.

The invention relates to the field of nano composite material preparation and in particular relates to a preparation method of a three-dimensional cross-linked graphene foam structure reinforced resin composite material. The preparation method comprises the following steps: (1) adding a multiamino compound, forming a flocculate of graphene oxide and the amino compound in a graphene oxide solution, centrifuging, performing freeze-drying and heating for reaction to prepare a three-dimensional cross-linked graphene foam structure; (2) filling the three-dimensional cross-linked graphene foam structure with resin by methods of vacuum pressure or negative pressure flow forming and the like, defoaming, and curing to prepare the three-dimensional cross-linked graphene foam structure reinforced resin composite material. According to the preparation method, the assembled and formed three-dimensional cross-linked graphene foam structure is filled with the resin, so that serious agglomeration phenomenon occurring in a graphene and resin mixing process is effectively avoided and the obtained three-dimensional cross-linked graphene foam structure reinforced resin composite material is excellent in performance.

An outer casing material for a battery 4 is provided, wherein an outer layer 11, a metal foil layer 10 and an inner layer 8 are laminated via an adhesive layer 5; the inner layer 8 comprises a sealant layer 8b and a base material layer 8a; the sealant layer 8b is made from a propylene-ethylene random copolymer wherein a melt flow rate at 230° C. thereof is in a range of 3 to 30 g/10 minutes; the base material layer 8a is made of a resin composition wherein a melt flow rate at 230° C. thereof is in a range of 0.1 to 15 g/10 minutes, xylene-soluble component Xs thereof satisfies the predetermined conditions, and the resin composition comprises 50 to 80% by mass of a propylene component (A) and 50 to 20% by mass of a copolymer component (B) which is an elastomer of a copolymer of propylene and ethylene and/or α-olefin having 4 to 12 carbons and includes 50 to 85% by mass of a polymerization unit originated from propylene.

The invention discloses graphene composite modified high-strength polyethylene fiber and a preparation method thereof. The graphene composite modified high-strength polyethylene fiber comprises UHMWPE (ultra-high molecular weight polyethylene) and graphene, wherein calculated by weight percentage, UHMWPE accounts for 98%-99.8%, and graphene accounts for 0.2%-2%; the molecular weight of UHMWPE is 2.4 million-2.6 million; and the particle size of graphene is 0.5-1.5um, and the particle size is 0.33-0.35nm. The preparation method disclosed by the invention is simple and convenient, and excellent performances are realized. Graphene is mixed into a white oil solution of UHMWPE by a method of adding a stock solution, uniform stirring is performed, and then the graphene modified high-strength polyethylene fiber is further prepared by spinning by a wet spinning method, so that the performances are effectively improved.

A fiber reinforced thermoplastic composite material direct online pultrusion moulding device belongs to the technical field of composite material pultrusion moulding. The device provided by the invention comprises a yarn supply mechanism, a felt supply mechanism, a fiber braiding platform, a constant temperature stainless steel belt composite mechanism, a thermoplastic pultrusion moulding die anda traction mechanism, wherein the yarn supply mechanism/felt supply yarn cross mechanism is provided with a tension force yarn cross/tension force felt cross mechanism which can be used to tighten fiber yarn/fiber felt and convey the fiber yarn/fiber felt to a subsequent process; the tension force yarn cross/tension force felt cross mechanism is formed by a pre-stress damping shaft mechanism which is vertically arranged on the yarn supply mechanism/felt supply yarn cross mechanism and a connection wheel shaft which is configured corresponding to the pre-stress damping shaft mechanism. Variousreinforced materials can be selected and replaced according to need. One-group or multi-group short stainless steel conveyer belt composite and modularization composite structure can be adopted in the device. The number of fiber and molten polymer composite layers and the fiber configuration can be freely designed. The whole device has a simple structure, is flexibly arranged, requires low production cost, can be used for direct online processing, and is more energy saving and time saving.

The invention discloses an antenna switching trigger control method. The method is applied to a communication terminal that consists of a main transceiver channel, an auxiliary receiving channel and at least three sets of antennae, the antennae communicated to the main transceiver channel are main antennae, the antennae communicated to the auxiliary receiving channel are auxiliary antennae, and the remaining antennae are idle antennae. The method comprises the following steps: acquiring the received signal strength and received signal quality of the current main antennae of the communication terminal, evaluating the performance of the current main antennae in combination with the received signal strength and received signal quality, and determining whether to trigger antenna switching according to an evaluation result. The invention also discloses the communication terminal and a computer readable storage medium. By storing programs with the above functions and implementing the above scheme through a processor, the problem that the main antennae cannot perform effective switching to improve the performance when the current performance is reduced due to various factors, and the use experience of users is poor in the prior art can be solved.

The invention discloses ultralight ceramsite prepared by totally taking solid waste as a raw material. The requirements on the mass fraction, moisture content and particle size of the components of the adopted raw material based on 100 mass parts in total are as follows: clay iron tailing accounts for 40-45 parts, the moisture content is less than 5%, and the particle size: the weight of screen residue of a 0.08mm square hole sieve is less than or equal to 5%; coal gangue accounts for 42-49 parts, the moisture content is less than 5%, and the particle size: the weight of screen residue of a 0.08mm square hole sieve is less than or equal to 5%; and the dewatered sludge from a municipal sewage treatment plant accounts for 10-13 parts, the moisture content is less than 5%, and the particle size: the weight of screen residue of a 0.08mm square hole sieve is less than or equal to 5%. In the preparation process, the preheating temperature is 500-600 DEG C, the roasting temperature is 1,250-1,350 DEG C, and the heating rate is 10-15 DEG C per minute; and the bulk density of the prepared ultralight ceramsite is 390kg/m<3>, the cylinder compressive strength is 1.2MPa, the moisture absorption is 3.8%, the requirements of GB/T 17431.1-2010 are met, a new means for large-scale utilization of tailings, coal gangue and dewatered sludge is created, and the ultralight ceramsite brings remarkable economic, environmental and social benefits.

The invention discloses an Alzheimer's disease classification method based on a depth forest, and belongs to the field of medical image classification and prediction. The method comprises the steps: taking an MRI image of the detection of the Alzheimer's disease as the input of the multi-granularity scanning, enabling the output of the multi-granularity scanning to be connected with a cascading forest, enabling the cascading forest to output one class vector of the MRI image, and completing the construction of a depth forest model; carrying out the preprocessing of a plurality of MRI images of known types; extending the depth forest model by one level, and carrying out the training and testing through the preprocessed MRI image: completing the training if a testing result is not improved remarkably, or else extending to the next level and continuing the training; inputting the preprocessed to-be-classified MRI image into the trained depth forest, and outputting and obtaining a classification result of the MRI image. The method greatly improves the recognition rate of the Alzheimer's disease.

The invention provides a polypropylene resin composite. The composite comprises the following components in part by weight: 30 to 80 parts of polypropylene, 10 to 40 parts of packing, 5 to 20 parts of toughening agent, 0.2 to 1.5 parts of heat stabilizer, 0.01 to 3 parts of appearance improver and 0.2 to 2 parts of lubricant, wherein the appearance improver is an acrylate-carboxyl-containing olefin-propylene terpolymer or an epoxy aliphatic polymer. The appearance improver used in the invention is an aliphatic polymer with polar groups such as an acrylic resin group, a carboxyl, an epoxy group or the like, wherein the polymer per se has high compatibility with the components such as the polypropylene, the toughening agent and the like, while the polar groups have the high compatibility with the components such as the packing, the lubricant and the like; under the effect of the appearance improver, the fluidity and the flow direction of the non-polar substances such as the polypropylene, the toughening agent and the like and the polar substances such as the packing, the lubricant and the like tend to be consistent so as to avoid appearance defects such as a fiddle back figure, a rill mark or the like.

The invention relates to a brushless-fed dual-rotor motor, belonging to the technical field of a permanent magnet motor. The brushless-fed dual-rotor motor solves the problems that the traditional motor only can realize single shaft output with a single speed, while the existing two-speed double-shaft output motor needs an electric brush slip ring to feed a winding, so that the operating efficiency is reduced, the reliability is lowered, the parts such as an electric brush and the like are needed to be maintained frequently, etc. A stator of the motor is fixed inside a shell, a permanent magnet rotor is fixed on an output shaft of the permanent magnet rotor, a claw pole rotor is positioned between the stator and the permanent magnet rotor and fixed on an output shaft of the claw pole rotor, and the output shafts of the permanent magnet rotor and the claw pole rotor are respectively connected with the shell by bearings. The motor can be used for providing the difference values of torqueand rotating speed between two rotating shafts, so as to be applicable to the industrial technology of the two mechanical rotating shafts which need different rotating speed and simultaneously work.

The present invention discloses a floating-point multipliers and floating-point multiplication for a neural network processor. The floating-point multiplier matches the mantissas of two to-be-multiplied operands to select different operation modes to obtain the mantissa of the product, and directly outputs the mantissa of one of the operands when the mantissas of the two operands match the upper four bits; when the mantissas of the two operands match the upper three bits, the partial bits of the mantissa of the two operands are first truncated, the high bit of the truncated numbers is complemented by one, and then the multiplication is performed and the result is output; and if the condition is not satisfied, the mantissas of these two operands are multiplied to obtain the mantissa of the product. According to the floating-point multiplier disclosed by the present invention, in the implementation of the multiplication operation, a combination manner of approximate calculation and accurate calculation is used, and data replacement, partial bit multiplication, and other work with lower energy loss are used, so that without sacrificing greater working precision, the working efficiency of the multiplication operation is improved, and neural network processing system performance can be more efficient.

The invention discloses a preparation method of a SiO2/polymer combined superhydrophobic coating. The preparation method comprises the following steps: adding a polymer into an organic solvent, and stirring till the polymer is dissolved completely to obtain a transparent solution I; adding hydrophobic nano silicon dioxide and a coupling agent, continuing stirring or carrying out ultrasonic dispersion till hydrophobic nano silicon dioxide is dispersed uniformly, adopting a pulling film forming method to obtain a uniform superhydrophobic coating, and drying the superhydrophobic coating at room temperature to obtain the product, wherein the addition proportion of the polymer to the organic solvent, hydrophobic nano silicon dioxide and the coupling agent is 1.6g:(40 to 50ml):(2.0 to 2.4g):1.0g. The preparation method has the advantages that the operation is simple; the raw materials are cheap and highly available; the repeatability is high; the prepared product has the advantages of both the polymer and inorganic nano particles, and is excellent in performance; each contact angle between the prepared product and water is 160 degrees or above; the roll angle of a water droplet on the surface of the coating is equal to or smaller than 10 degrees; a film made of the coating is uniform and suitable for various substrates.

The present invention provides a layered body for organic electroluminescence which is excellent in the hardness, the transparency and the folding-durable performance.

The present invention is a layered body for organic electroluminescence in which an optical layered body is laminated on one surface of an organic electroluminescence layer and which is not cracked or fractured when a test in which the entire area of the layered body for organic electroluminescence is folded 180 degrees at 20 mm intervals is repeated 100,000 times.