70results about How to "Blocking transmission" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Disclosed are a device and method for controling network data that induces malicious code in mobile equipment. In the present invention, an analysis is conducted of information entered by a user who is using the input means of an article of mobile equipment, thereby assessing whether network data produced from the article of mobile equipment is network data produced according to the user's intentions, such that network data that has been produced according to the user's intentions is output to an external communication network, while network data that has been produced regardless of the user's intentions is blocked from being transmitted to the external communication network, under the assessment that the same constitutes network data which has been produced by malicous code residing in the article of mobile equipment or by external attackers, and which leaks the user's personal information or attacks outside communication networks. In this way, the present invention makes it possible to efficiently prevent the leakage of users' personal information and network attacks by ensuring that the network data produced in mobile equipment is controlled according to the user's intentions, thereby effectively blocking the transmission of network data induced by malicous code residing in the article of mobile equipment or by external attackers.

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.

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.

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.