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Perovskite solar cell and preparation method thereof
ActiveCN105609641AImprove film morphologyReduce surface defectsFinal product manufactureSolid-state devicesThin film morphologyLiquid-crystal display
The invention relates to a perovskite solar cell and a preparation method thereof. By arranging a liquid crystal layer on the surface of an electron transmission layer or a hole transmission layer, the thin film morphology of the electron transmission layer or the hole transmission layer is improved, the defect on the surface of the electron transmission layer or the hole transmission layer is passivated, the transmission of reverse current carriers is effectively blocked, the electric leakage generation is prevented, the combination probability of electrons and holes which are generated in a perovskite light absorption layer is reduced, and the photoelectric conversion efficiency and the stability of the cell are improved; and meanwhile, the liquid crystal layer is prepared by a low-temperature solution method, and the preparation method is suitably used for roll-to-roll industrial production of the perovskite photovoltaic cell, and is simple in process and low in fabrication cost.
Owner:CHINA LUCKY FILM CORP
Functional ceramic coating diaphragm for lithium ion battery and preparation method for functional ceramic coating diaphragm
ActiveCN108717965AGood dispersionAvoid breakingSecondary cellsCell component detailsCeramic coatingMetallurgy
The invention discloses a functional ceramic coating diaphragm for a lithium ion battery. The diaphragm is characterized by consisting of a porous polymer film layer and a functional ceramic coating with which the porous polymer film layer is coated, wherein the functional ceramic coating comprises ceramic nanoparticles, modified polymeric nanoparticles, a plasticizer, a catalyst, a dispersant andan adhesive. The functional ceramic coating diaphragm has the advantages that, when the battery is excessively heated and the local temperature exceeds 150 DEG C, the modified polymeric nanoparticlesin the functional ceramic coating are molten and plasticized under the action of the plasticizer, the molten modified polymeric nanoparticles rapidly react with ethylene carbonate around under the action of the catalyst to form a high-temperature-resistant solid film layer on the surface of the diaphragm, and by the solid film layer, the diaphragm can be protected and prevented from being brokenby high temperature on one hand and, on the other hand, ion transportation is blocked to prevent the local temperature of the battery from keeping increasing and ensure the safety of the battery.
Owner:JIANGSU QINGTAO ENERGY TECH
Antistatic flame-retardation circuit board
InactiveCN105199646AImprove adaptabilityExtended service lifeNon-macromolecular adhesive additivesMacromolecular adhesive additivesSilica gelElectronic component
A disclosed antistatic flame-retardation circuit board comprises a circuit board main body, a sealing layer arranged on the circuit board main body, and a protective layer arranged on the sealing layer; the sealing layer fixedly seals the side, carrying electronic components, of the circuit board main body; and the protective layer wraps the sealing layer. The side, possessing soldering tin, of the circuit board main body is provided with a heat radiation layer, and the heat radiation layer and the circuit board main body are in connection by employing a mutually-matched concealed, overlapped or plug-in way; the circuit board main body is provided with a plurality of through holes, one side of the heat radiation layer is provided with a groove, the groove is filled with a heat-conduction liquid, and the heat-conduction liquid is capable of freely flowing in the groove and the through holes; and the connection position of the heat radiation layer and the circuit board main body is sealed by using pouring silica gel. The circuit board possesses excellent antistatic, moistureproof and electrical-isolation performances, also possesses the characteristics of good flame retardation, heat radiation and the like.
Owner:中山市实翔电子科技有限公司
Fire-resistant silicone rubber and preparation method thereof
InactiveCN110643183AGood insulationStable physical and chemical propertiesCarbon blackMagnesium stearate
The invention provides fire-resistant silicone rubber. The fire-resistant silicone rubber comprises the following raw materials: silicone rubber, white carbon black, glass fiber, glass beads, aluminumhydroxide, magnesium hydroxide, copper oxide, a heat stabilize, refractory fillers, a vulcanizing agent, a catalyst and hydroxyl silicone oil, wherein the catalyst takes carbon black as a carrier andtakes palladium, tungsten and platinum as active components, and the mass ratio of the palladium to the tungsten to the platinum to the carbon black is 1:2:5:100; the refractory fillers comprise quartz sand, mica powder, talcum powder and basalt; and the heat stabilizer comprises calcium carbonate, magnesium stearate, calcium stearate, zinc oxide and phosphite ester. The sources of the raw materials are wide, the preparation method is simple, the cost is low, and the prepared silicone rubber has high fire-resistant and flame-retardant properties and can be widely applied.
Owner:高静静
Spirofluorene derivative type organic compound and application thereof to organic light-emitting diodes
ActiveCN109824684AThree-dimensional structure is stableImprove luminous efficiencyOrganic chemistrySolid-state devicesDouble bondTriplet state
The invention relates to a spirofluorene derivative type organic compound and application thereof to organic light-emitting diodes (OLEDs). The spirofluorene derivative type organic compound has the advantages that spirofluorene is in loop connection with an indole ring fusion structure through carbon-carbon double bonds, the loop connection through the carbon-carbon double bonds increases material chemical stability and avoids branch chain group active position exposure, and the whole molecule is a large rigid structure and has high triplet-state energy level (T1); the indole ring fusion structure is large in steric hindrance, less prone to rotation and stable in three-dimensional space structure, and accordingly the compound is high in glass transition temperature and molecular thermal stability; in addition, the HOMO and LUMO distribution positions of the compound are separated from each other, so that the compound has appropriate HOMO and LUMO energy level; after the compound is applied to the OLEDs, the light-emitting efficiency of the OLEDs can be effectively increased, and the service life of the OLEDs can be effectively prolonged.
Owner:JIANGSU SUNERA TECH CO LTD
Multifunctional window
InactiveCN105927135AAppropriate light transmission functionBlocking transmissionHeating fuelLighting and heating apparatusPower controllerGraphene
The invention discloses a multifunctional window which comprises a window frame and window glass. The window glass is installed on one side of the window frame facing outdoors, one side of the window frame facing indoors is provided with a graphene transmitting film curtain, and the graphene transmitting film curtain is electrically connected with a power source controller. The multifunctional window not only reserves functions of a conventional window, but also has functions of heating and shading. The multifunctional window is reasonable in design and has the advantages of being easy to manufacture, low in cost and convenient to install and use and the like.
Owner:WUXI AOYUTE NEW TECH DEV
Fluorene compound and light-emitting device thereof
ActiveCN112094170AGood film formingImprove thermal stabilityOrganic chemistrySolid-state devicesElectron holeSimple Organic Compounds
The invention provides a fluorene compound and a light-emitting device thereof. Fluorene functional groups with rigid structures are introduced into organic compounds through unique large-steric-hindrance connection sites. The formed fluorene compound has excellent film-forming property and thermal stability, and can be used for preparing organic electroluminescent devices. The fluorene compound disclosed by the invention is particularly suitable for preparing a blue organic light-emitting device, and can be used as a constituent material of a hole transport layer, an electron blocking layer,a light-emitting layer, a hole blocking layer or an electron transport layer. More importantly, the fluorene compound provided by the invention has excellent transmission performance and luminescenceperformance, and can reduce the driving voltage of an organic electroluminescent device, improve the efficiency of the device and prolong the service life of the device when being used as a luminescent layer material, especially a blue light luminescent layer material. The fluorene compound is excellent in device performance, the preparation method is simple, raw materials are easy to obtain, andthe industrial development requirement can be satisfied.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD
Ink for preparing dielectric layer of transistor, ink film and preparation method and applications thereof
InactiveCN106947320AGood inkjet effectGood film formingSolid-state devicesSemiconductor/solid-state device manufacturingElectronic transmissionOrganic film
The invention relates to ink for preparing a dielectric layer of a transistor, an ink film and a preparation method and applications thereof. The ink contains poly(vinyl alcohol cinnamate), a polymer additive, a surfactant and an organic solvent; the weight-average molecular weight of the poly(vinyl alcohol cinnamate) is 10,000-50,000; the weight-average molecular weight of the polymer additive is 1,000-50,000, the polymer additive is selected from at least one of polystyrene and polymethyl methacrylate; relative to the 1mL of organic solvent, the content of the poly(vinyl alcohol cinnamate) is 1-50mg, the content of the polymer additive is 0.1-25mg, and the content of the surfactant is 0.05-1mg. The ink disclosed by the invention has excellent ink jetting performance and film forming performance, as well as crosslinking characteristic under ultraviolet light, the dielectric layer of a transistor prepared from ink can prevent ink from permeating, and also can barrier the electronic transmission, the insulating performance of the dielectric layer can be improved, and the dielectric layer of the organic film transistor can be prepared from ink by adopting an ink-jet printing method.
Owner:SHANGHAI MI FANG ELECTRONICS LTD
Nanometer flame-resistant wall cloth and preparation method thereof
InactiveCN109267328ABlocking transmissionImprove flame retardant performanceCovering/liningsBiochemical fibre treatmentPolyhexamethylene guanidineEngineering
The invention discloses nanometer flame-resistant wall cloth. The nanometer flame-resistant wall cloth comprises a non-woven fabric base layer; a flame-resistant layer, a pattern printing layer and anembossing layer are sequentially arranged on the decoration surface of the non-woven fabric base layer; the non-woven fabric base layer is dipped with an antibacterial agent; the flame-resistant layer is prepared from the following components in parts by weight: 1 to 10 parts of graphene, 5 to 10 parts of nanometer aluminum hydroxide, 5 to 10 parts of nanometer magnesium hydroxide, 5 to 10 partsof antimony trioxide, 5 to 10 parts of zinc borate, 5 to 10 parts of polyphosphate, 45 to 70 parts of dispersing agent and 0.5 to 5 parts of smoke suppressant; and the antibacterial agent is preparedfrom the following components in parts by weight: 0.5 to 5 parts of nanometer silver, 30 to 40 parts of polyhexamethylene guanide, 0.1 to 5 parts of surfactant, 0.1 to 5 parts of stabilizer, 1 to 5 parts of chelating agent and 40 to 70 parts of water. The invention also discloses a preparation method of the nanometer flame-resistant wall cloth. The nanometer flame-resistant wall cloth has the characteristics of high fireproof property, good antibacterial effect and no liability to tear and damage.
Owner:杭州布源纺织有限公司
Device and method for detecting inversion of compressor
InactiveCN104454492AImprove accuracy and reliabilityBlocking transmissionPump testingPositive-displacement liquid enginesPistonElectrical and Electronics engineering
The invention provides a device and method for detecting inversion of a compressor. The device comprises a piston mechanism, an optoelectronic switch and a detection circuit. The piston mechanism can be arranged on an air inlet of the compressor in a sealed mode and comprises a sealing ring and a guide rod in the sealing ring. The optoelectronic switch is arranged at the top end of the piston mechanism and comprises an emitting end and a receiving end which are located on the two sides of the piston mechanism, when the air inlet does not exhaust air, the receiving end receives an optical signal emitted by the emitting end, and when the air inlet exhausts air, the guide rod is jacked up to be between the emitting end and the receiving end, transmission of the optical signal is blocked, and the receiving end cannot receive the optical signal emitted by the emitting end. The detection circuit is connected with the optoelectronic switch and used for judging whether the receiving end receives the optical signal or not, and if the receiving end does not receive the optical signal, the inversion of the compressor is judged, and an alarm circuit is controlled to give an alarm. Therefore, accuracy and reliability for detecting the inversion of the compressor are improved.
Owner:GREE ELECTRIC APPLIANCES INC OF ZHUHAI
Compound, display panels and display devices
InactiveCN110669040AEffective adjustment of LUMO energy levelImprove hole transport abilityOrganic chemistrySolid-state devicesArylElectron hole
The invention belongs to the technical field of OLEDs and provides a compound used as an OLED hole transport material and an electron blocking material. The compound has a general formula structure asshown in [chemical formula 1], wherein Ar1 and Ar2 are respectively and independently selected from hydrogen atoms, and substituted or unsubstituted C5-C40 aryl, and m and n are respectively and independently selected from 0, 1 and 2; in [Chemical Formula 1], X is selected from O atom, S atom, or -NR-, R is selected from hydrogen, a substituted or unsubstituted C5-C40 aryl group; Ar3 has a structure represented by [Chemical Formula 2]; in [Chemical Formula 2], R1-R8 are each independently selected from hydrogen, substituted or unsubstituted C5-C40 aryl; Y is selected from O atom, S atom or -NR '-; and R' is selected from hydrogen, substituted or unsubstituted C5-C40 aryl. The hole transport material provided by the invention not only has triarylamine groups of traditional hole transport materials, can adjust material LUMO energy level, but also contains electron donating groups which are relatively weak electron donating groups, so that molecules are relatively high in HOMO energy level, and hole transport capability is effectively improved.
Owner:SHANGHAI TIANMA AM OLED
Anti-radiation double-mode phase-locked loop circuit
ActiveCN107241093AImprove radiation resistanceEliminate the effects ofPulse automatic controlPhase detectorPhase locked loop circuit
The invention discloses an anti-radiation double-mode phase-locked loop circuit comprising a voltage controlled oscillator and a charge pump, wherein the anti-radiation double-mode phase-locked loop circuit further comprises two frequency division phase discrimination modules, which are separately connected with an output end of the voltage controlled oscillator, each frequency division phase discrimination module comprises a frequency divider unit and a phase frequency detector, which are connected in sequence, the frequency divider unit accesses an output signal of the voltage controlled oscillator, and a group of control signals is output to the phase frequency detector after the signal is subjected to the frequency division; a logic circuit module, used for separately receiving two groups of control signals output by the two frequency division phase discrimination modules to finally output multiple paths of control signals; and a charge pump control module, connected with the charge pump and comprising a plurality of control switches, wherein the control switches respectively receive the control signals output by the logic circuit module so as to control the on-off of the charge pump. The anti-radiation double-mode phase-locked loop circuit disclosed by the invention can automatically correct error signals, has an anti-radiation function, and has the advantages of simple structure, small power consumption, being able to eliminate the influence of irradiation effect to the circuit.
Owner:NAT UNIV OF DEFENSE TECH
Novel double-Y-waveguide integrated optical device and manufacturing method thereof
InactiveCN103869414ABlocking transmissionInhibitionOptical waveguide light guideEngineeringWaveguide
Owner:THE 44TH INST OF CHINA ELECTRONICS TECH GROUP CORP
Compound with cyano structure and organic light-emitting device thereof
ActiveCN109053555AAvoid gatheringNot easy to crystallizeOrganic chemistrySolid-state devicesElectronic transmissionDouble bond
The invention discloses a compound with a cyano structure and an organic light-emitting device thereof. On one hand, a fluorine ene group adopts a three-dimensional space structure and is not liable to crystallize; fluorine end double bond is connected with a cyano group, and one side is connected with a series of electron-withdrawing groups such as fluorine, cyano and trifluoromethyl, so that theelectronic transmission performance of the structure is improved. On the other hand, the compound with a cyano structure, which is formed by combining the fluorine group and the fluorine ene group, has an extensible three-dimensional structure, so that the compound is distorted certainly in the spatial three-dimensional structure and the film-forming property is improved; furthermore, the compound has proper HOMO and LUMO value and can effectively block transmission of a hole to an electronic transmission layer, and the hole encounters the electron in a light-emitting layer, so that effectiveluminescence is improved. The compound is applied to a light-emitting layer or a hole blocking layer of the organic light-emitting device, and the device shows up the advantages of low driving voltage and high light-emitting efficiency.
Owner:CHANGCHUN HYPERIONS TECH CO LTD
Construction of oxygen ion conductor electrolyte film and its pulse magnetic controlled sputtering prepn. method
InactiveCN1564266AHigh oxygen ion conductivityReduce the use temperatureConductive materialSolid electrolyte fuel cellsElectrical conductorOxygen ions
The invention includes following structures and steps: using YSZ and RCO ceramics target as well as using monocrystalline silicon MgO and Ni-YSZ or Ni-RCO anode plate as substrate, distance between target and substrate as 30-80mm; vacuum degree 1X10-4-1X10-5 Pa, substrate temperature 300 deg.C-800 deg.C; ratio of gas pressure between oxygen and argon as 5%-40%; Thickness of each film is 10-200 nano, and number of layer is larger than or equal to three, the invention also contains other technical parameters. Multiple layers of nano film provides advantages of raising conductivity of oxyanion 10%-50%, optimizing fuel cell performance. The disclosed sputtering technique has features of fast, and high quality.
Owner:DALIAN UNIV OF TECH
Processing technology of sheath material for severe cable of three-generation nuclear power plant
InactiveCN110423392AGood dispersionImprove flame retardant and smoke suppression performanceLow-density polyethyleneBoron nitride
The invention discloses a processing technology of a sheath material for a severe cable of a three-generation nuclear power plant, and relates to the technical field of nuclear cables. The processingtechnology comprises the following steps: preparing a composite flame retardant, pre-heating raw materials, and adding an ethylene-vinyl acetate copolymer and a low density polyethylene into an open mill for mixing to obtain a material a; adding an antioxidant RD, an antioxidant 1024, a ultraviolet absorber UV-234, a ultraviolet absorber UV-328, stearic acid, ferrocene, boron nitride, and 27-35% of a total amount of the composite flame retardant into another open mill for mixing to obtain a material b; adding the material b, paraffin oil, and a crosslinking sensitizer into the material a for mixing, and adding the remaining composite flame retardant in two times for mixing to obtain a material c; and transferring the material c into a twin-screw extruder for mixing granulation, then performing extrusion by a single-screw extruder, and performing irradiation crosslinking to obtain the sheath material. The sheath material prepared by the processing technology has good mechanical properties, flame retardancy, aging resistance and radiation resistance, and a service life can be up to 60 years or more at 90 DEG C.
Owner:ANHUI CABLE
Preparation method and application of conductive polysiloxane-polyaniline anticorrosive coating
ActiveCN112625484AReduce galvanic corrosionReduce chemical corrosionAnti-corrosive paintsElectrically-conductive paintsSurface corrosionElectrically conductive
The invention belongs to the field of corrosion prevention of metal in saline solutions, and particularly relates to a preparation method and application of a stable super-hydrophobic conductive polysiloxane-polyaniline (PANIC-RA-POS) anticorrosive coating. According to the method, a compact and stable conductive polyaniline film is constructed on a metal surface through an electrochemical method, an external hydrophobic polysiloxane coating is constructed through a spraying method, meanwhile, an adhesive sticker (RA) is sprayed between polyaniline and polysiloxane to form a polysiloxane-polyaniline (PANIC-RA-POS) anti-corrosion coating, which is applied to the field of metal surface corrosion prevention. The coating is divided into an internal conductive polyaniline film PANIC and an external super-hydrophobic coating POS, the PANIC has the unique advantages of spontaneously passivating the metal surface and slowing down pitting corrosion, electrochemical corrosion is effectively reduced, the POS has the characteristic of spontaneously forming an air layer in a corrosive medium, transmission of a corrosive medium and electrons can be efficiently blocked, chemical corrosion is effectively reduced, the adhesive sticker glue spray SA enhances the binding force between the PANIC and the POS, and the metal corrosion resistance is effectively improved.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY
Control device for electric-powered motor
InactiveCN106465532ABlocking transmissionAssociation with control/drive circuitsCross-talk/noise/interference reductionEngineeringElectronic component
A substrate (100) has a separating zone (30) configured from one long and narrow through-hole (31) in a region closer to an end portion than a central portion thereof. A first group electronic component (10) serving as a source of generation of heat and electrical noise is disposed in a first region (101) on the central portion side from the separating zone (30) of the substrate (100). A second group electronic component (20) that needs to eliminate the influence of heat or electrical noise from another component as much as possible is disposed in a second region (102) on the end portion side from the separating zone (30) of the substrate (100).
Owner:MITSUBISHI ELECTRIC CORP
Composition for preventing and controlling pests and preparation method of composition
InactiveCN110226601AReduce hydrophilicityDelay drug resistanceBiocideAnimal repellantsArylOrganic solvent
The invention provides a composition for preventing and controlling pests and a preparation method of the composition, and belongs to the technical field of pesticide compositions. The composition comprises the following components: (a) at least one compound having a structural formula (1) shown in the description, wherein R1 and R2 are any one selected from the group consisting of a chain alkyl aldehyde, a chain alkyl acid, a cyclic alkyl aldehyde, an alkylene, an aryl aldehyde, amino and a sulfonic acid group, and the R1 and the R2 can be the same or different; (b) at least one plant extract; (c) at least one surfactant; (d) at least one organic solvent; and (e) a buffering agent. The composition provided by the invention has the following characteristics: effective ingredients containedin the composition can reduce hydrophilicity of shell layers of pests in an egg stage, and make pest eggs ''dried'' and ''starved'' until death; and no toxic insecticide substances are added into thecompositions, so that drug resistance of the pests can be remarkably reduced, and pollution to the environment is reduced.
Owner:金华市景和科技有限公司
Oil-resistant silicone rubber and preparation method thereof
InactiveCN110684355AImprove flame retardant performancePromote generationPolymer sciencePtru catalyst
The invention proposes oil-resistant silicone rubber. The oil-resistant silicone rubber includes the following raw materials: silicone rubber, white carbon black, fluorosilicone rubber, hydroxy silicone oil, hydrogen-containing silicone oil, heat stabilizers, refractory filler, a catalyst, aluminum hydroxide, an oil-resistant additive W550 and a vulcanizing agent, wherein the catalyst is a catalyst which adopts carbon black as a carrier and palladium, tungsten and platinum as active ingredients, the mass ratio of palladium to tungsten to platinum to carbon black is 1:2:5:100, and the refractory filler includes quartz sand, mica powder, talc and basalt; and the heat stabilizers include calcium carbonate, magnesium stearate, calcium stearate, zinc oxide and phosphite. The oil-resistant silicone rubber has a wide range of raw materials, a simple preparation method and low cost, the prepared silicone rubber has good oil resistance, and meanwhile high temperature resistance and fire resistance of the silicone rubber are improved greatly, so that the oil-resistant silicone rubber has wide application.
Owner:高静静
Vibration isolation support structure of fuel tank for vehicle
InactiveCN1326720CAnti-vibration functionMake sure to keep functioningNon-rotating vibration suppressionRubber-like material springsFuel tankEngineering
The present invention provides a vibration isolation structure of a fuel tank for a vehicle, it is possible to reconcile a retaining load on and the vibration isolation function of the cushion rubber member interposed between the fuel tank and the vehicle body. In a vibration isolation structure of a fuel tank for a vehicle, first projections 30, second projections 31 and third projections 32 having different projecting heights are formed on a surface of a vibration-isolation cushion rubber member 23 interposed between a tank body 11 and a floor panel 24, the surface contacting the floor panel 24. When the tank body 11 is pushed against the floor panel 24, the amounts of compression of the projections 30, 31 and 32 are changed in accordance with the heights of the projections 30, 31 and 32, thereby ensuring a vibration isolation function of preventing noise and vibration of the tank body 11 from being transmitted to a vehicle body, while ensuring a function of retaining the tank body 11 on the floor panel 24.
Owner:HONDA MOTOR CO LTD +1
Cellular and columnar combined structure coating used in marine environment and preparation method of cellular and columnar combined structure coating
ActiveCN113151824AHigh hardnessImprove corrosion resistanceMetallic material coating processesCrystal structureAlloy
The invention discloses a cellular and columnar combined structure coating used in a marine environment and a preparation method of the cellular and columnar combined structure coating. A first layer of alloy powder is cladded on a pretreated substrate through a laser beam in a swinging mode, rapid vertical dendritic crystals are changed into cellular crystals, the binding force of a cladding layer and the substrate is improved, and a liquid corrosion medium is prevented from being conveyed to the substrate. The corrosion resistance is improved. Then, a second layer of alloy powder is rapidly cladded on the obtained cellular crystal cladding layer through a laser beam to form a surface alloy layer without swinging, and a fine dendritic crystal structure of a columnar structure is obtained on the basis of the cellular crystals. The manufacturing cost of the material suitable for the marine environment is reduced, and meanwhile, the wear resistance and corrosion resistance of the material are improved.
Owner:OCEAN UNIV OF CHINA
Deuterated fluorene compound and light-emitting device thereof
ActiveCN112094168AGood film formingImprove thermal stabilityOrganic chemistrySolid-state devicesElectron holeSimple Organic Compounds
The invention provides a deuterated fluorene compound and a light-emitting device thereof. Fluorene functional groups with rigid structures are introduced into organic compounds through unique large-steric-hindrance connection sites. The formed deuterated fluorene compound has excellent film-forming property and thermal stability, and can be used for preparing organic electroluminescent devices. The deuterated fluorene compound disclosed by the invention is particularly suitable for preparing a blue organic light-emitting device and can be used as a constituent material of a hole transport layer, an electron blocking layer, a light-emitting layer, a hole blocking layer or an electron transport layer. More importantly, the deuterated fluorene compound provided by the invention has excellenttransmission performance and luminescence performance, and can reduce the driving voltage of an organic electroluminescent device, improve the efficiency of the device and prolong the service life ofthe device when being used as a luminescent layer material, especially a blue light luminescent layer material. The deuterated fluorene compound is excellent in device performance, the preparation method is simple, raw materials are easy to obtain, and industrial development requirements can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD
Fluorene derivative-containing organic light-emitting device
ActiveCN109585691AImprove stabilityImprove luminous efficiencySolid-state devicesSemiconductor/solid-state device manufacturingCarbazoleDibenzo-p-dioxin
The invention relates to an organic light-emitting device. The organic light-emitting device employs a compound taking fluorene as a core, and the fluorine is connected with carbazole or dibenzo-p-dioxin six-element heterocyclic rings by carbon-carbon bonds. By carbon-carbon bond connection, the material stability is improved, the exposure of an active position of a branch group is also prevented,and thus, the device stability also can be improved. The organic light-emitting device comprises an electron blocking layer and a light-emitting layer. The organic light-emitting device disclosed bythe invention has the advantages of high light-emitting efficiency, long lifetime and the like.
Owner:JIANGSU SUNERA TECH CO LTD
High-stability multifunctional conductive super-hydrophobic anticorrosive coating, preparation method and application thereof
ActiveCN112625591AImprove anti-corrosion performanceExcellent matrix binding forcePretreated surfacesAnti-corrosive paintsPolymer scienceThin membrane
The invention relates to the field of metal corrosion prevention, in particular to a high-stability multifunctional conductive super-hydrophobic anticorrosive coating, a preparation method and application thereof. The coating is a high-stability multifunctional conductive super-hydrophobic anticorrosive coating formed by combining a conductive PANI film layer, a super-hydrophobic layer and a waterborne polyurethane layer which are constructed on the surface of a stainless steel metal matrix through an electrochemical deposition and spraying method. The internal polyaniline layer (PANI) has good electrical conductivity and has the characteristics of spontaneous passivation and pitting corrosion retarding, the external super-hydrophobic layer (POS) can spontaneously form an air film in a corrosive medium, transmission of the corrosive medium and electrons can be efficiently blocked, meanwhile, the binding force between the POS and the PANI is effectively improved by introducing the waterborne polyurethane (PU), and the high-stability multifunctional conductive super-hydrophobic anticorrosive coating has the characteristics of environmental friendliness, high corrosion resistance and high practicability, and has important significance in corrosion prevention of 304SS and other conductive substrates.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY
Anomaly Detection Method for Integrated Electronic System Based on Deep Packet Analysis
ActiveCN109347853BBlocking transmissionReduce false negative rateData switching networksData packElectronic systems
The invention discloses an abnormal detection oriented to a comprehensive electronic system based on deep packet analysis. The method comprises the following steps: collecting bus data; monitoring andcollecting a bus transmission data packet; extracting periodical data packet features; extracting a feature value of content change in the collected periodic data packet; training different applications under different subsystems to generate multiple decision trees; training different applications under different subsystems to generate corresponding decision trees; detecting an abnormal data packet through code of conduct; providing the decision tree corresponding to information selection according to the periodical data packet, and predicting a legal operation of the current periodic data packet by utilizing the decision tree, if an instruction in the to-be-checked non-periodic data packet content meets a decision tree prediction result, enabling a message to pass, or regarding that thedata packet is abnormal, and performing abnormal processing. The attack between the bus controller and a subsystem can be detected, thereby effectively resisting replay attack, forgery attack, denialof service and various attacks.
Owner:EAST CHINA NORMAL UNIV +1
Low thermal conductivity foam cement
The invention discloses low thermal conductivity foam cement, which is prepared from the following raw materials in parts by weight: 100 parts of high-strength sulphoaluminate cement, 1-3 parts of hydrogen peroxide, 7-8 parts of a heat preservation material, 0.01-0.015 part of a dispersant, 0.5-0.7 part of a foam stabilizer, 0.1-0.2 part of a coagulant, 12-14 parts of a waterproof agent, 0.7-0.9 part of carboxymethyl cellulose and 44-48 parts of water, wherein the heat preservation material is prepared from nano titanium dioxide and vitrified microspheres. The low thermal conductivity foam cement is low in heat conductivity coefficient and better in strength.
Owner:怀宁建国混凝土制品有限责任公司
A semiconductor power device layout
ActiveCN105762147BIncrease widthUniform current distributionSolid-state devicesSemiconductor devicesGratingEngineering
The invention discloses a semiconductor power device layout. The semiconductor power device layout is characterized in that the middle part of each grid groove is a broken line structure, two ends extend into grid contact areas and are connected with grid buses, and tail ends are mutually connected on the position with preset distances from the grid contact areas, and an enclosed virtual grating area is formed; virtual grating grooves are arranged in the enclosed virtual grating area and are parallel to the grid grooves, and enclosed contact windows are formed on two ends or the middle part of each virtual grating groove; a base region contact area is arranged between two adjacent grid grooves and is parallel to the grid grooves; virtual grating contact holes are formed in the enclosed contact windows on the virtual grating grooves, and the width of the virtual grating contact hole is larger than the width of the virtual grating groove; and a source electrode contact hole covers the base region contact area, the width of the source electrode contact hole is larger than the width of the base region contact area, and the length of the source electrode contact hole is smaller than length of the base region contact area. The grid grooves, the virtual grating grooves and the base region contact areas respectively comprises horizontal and non-horizontal parts, the grooves in different direction are capable of dispersing the stress on a chip, and the chip is enabled to be prepared by a thinner wafer.
Owner:ZHUZHOU CRRC TIMES SEMICON CO LTD
Diffused light source structure for scanning of linear CCD sensor and assembling method thereof
PendingCN112128663ABlocking transmissionReduce adverse effectsElectric circuit arrangementsLighting heating/cooling arrangementsEngineeringHeat sink
The invention discloses a diffused light source structure for scanning of a linear CCD sensor and an assembling method thereof, and relates to the technical field of object surface detection. The diffused light source structure comprises a lampshade, a power supply circuit board being arranged on the top surface of the lampshade, and a power connection contact pin being arranged on the top surfaceof the power supply circuit board; a scanning channel which penetrates through the power supply circuit board and the lampshade from top to bottom; illuminating parts which are obliquely arranged onthe bottom surface of the lampshade; a control circuit board which is arranged at the end part of the lampshade; and a plurality of MOS tubes which are connected to one side surface of the control circuit board. A first cooling fin provided by the invention can receive most of heat generated by the MOS tubes, and a heat insulation sheet above the first cooling fin can effectively prevent the heatfrom being transmitted upwards, so that adverse effects caused by heating of a second part of the control circuit board are avoided, and the service life of the control circuit board is effectively prolonged.
Owner:江苏善果缘智能科技有限公司
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