1142 results about "Host material" patented technology

A powder for use in a negative electrode of a battery, said powder comprising particles, wherein the particles comprise a carbonaceous matrix material and silicon-based domains dispersed in the carbonaceous matrix material, wherein the particles further comprise pores wherein at least 1000 cross-sections of pores comprised in a cross-section of the powder satisfy optimized conditions of size and size distribution, allowing the battery containing such a powder to achieve a superior cycle life and a production method of such a powder.

The invention belongs to the field of organic electroluminescent materials, and discloses a host material, an organic electroluminescent material containing double hosts and an organic electroluminescent device. In the organic light-emitting device containing the double hosts, the first host compound has higher electron mobility and is stable in structure. According to the organic electroluminescent device, triplet excitons are dispersed on two main bodies by using a double-main-body material, triplet-triplet annihilation is reduced, the driving voltage of the organic electroluminescent device is reduced, the luminous efficiency of the device can be improved, and the service life of the device can be prolonged.

The invention provides an organic electroluminescent material, a dual-host-containing organic electroluminescent material and an organic electroluminescent device.The organic electroluminescent material has a structure as shown in a general formula I. The dual-host-containing organic electroluminescent material comprises a first host material and a second host material, the first main body material has a structure shown in a general formula I, the second main body material has a structure shown in a general formula II, and the organic electroluminescent material or the organic electroluminescent material containing the double main bodies is applied to an organic electroluminescent device and has the advantages of low driving voltage, high luminous efficiency and long service life.

The invention belongs to the technical field of biological materials and ultrasonic printing, and particularly discloses a biological adhesive for ultrasonic printing and preparation and application thereof. The biological adhesive comprises a heat-sensitive main body material and a chemical adhesion component, the heat-sensitive main body material comprises hydroxybutyl chitosan, and the chemical adhesion component comprises polyacrylic acid-N-hydroxysuccinimide ester. The bioadhesive has excellent ultrasonic responsiveness, formability and bioadhesion performance, directional deposition, in-situ solidification and tissue surface adhesion can be achieved in a non-contact and accurately-controlled ultrasonic printing system, and the bioadhesive is suitable for various biomedical scenes such as tissue repair, minimally invasive medicine, biological device construction and drug delivery interface printing.

The invention discloses an ultra-flexible stretchable dimming film and a preparation method thereof, and relates to the technical field of dimming films, and the ultra-flexible stretchable dimming film comprises an upper transparent electrode layer, a dimming function layer and a lower transparent electrode layer which are sequentially stacked from top to bottom; the preparation method comprises the following steps: 1) preparing a main matrix material / ultraviolet curing resin mixture; 2) assembling the dimming film; and 3) ultraviolet light curing. According to the invention, through surface phosphonic acid functionalization treatment, covalent bond anchoring of cerium oxide nanoparticles is realized on a thermoplastic polyurethane fiber network; by constructing a full-thermoplastic polyurethane material system, the breakthrough of interfacial compatibility between a fiber reinforced phase and a polymer matrix is realized, so that the film has high tensile strain capacity and excellent fatigue resistance on the premise of keeping high transparency.

An organic electroluminescence device includes: an anode; a cathode; a first emitting layer; and a second emitting layer provided between the first emitting layer and the cathode, in which the first emitting layer contains, as a first host material, a first compound that has at least one group represented by a formula (11A) below and that is represented by a formula (1) below, the second emitting layer contains, as a second host material, a second compound represented by a formula (2) below, and the first emitting layer and the second emitting layer are in direct contact with each other.

The application relates to the technical field of display panels, and discloses a display panel, a display screen and electronic equipment. The CGL of the display panel comprises N-CGL, i-CGL and P-CGL which are stacked in sequence. The LUMO energy level of the organic material corresponding to the i-CGL is less than or equal to -3.5 eV, and the work function of the inorganic material corresponding to the i-CGL is greater than or equal to 3.5 eV. In particular, the Fermi energy level of the i-CGL is lower than that of the P-CGL host material, and the thickness of the i-CGL can be any value less than or equal to 15 nm (especially less than 5 nm). In this case, the charge generation capability of the N-CGL, the i-CGL and the P-CGL in the direction parallel to the thickness of the CGL is improved, the sheet resistance in the direction perpendicular to the thickness of the CGL is greater than 1 GΩ / Dia, the sub-pixel can realize high-efficiency and low-power-consumption light emission, the voltage value obtained by voltage division from the driving voltage of another sub-pixel is small, and the crosstalk between the sub-pixels is reduced or even eliminated.

The invention belongs to the technical field of organic electroluminescence, and discloses an arylamine compound and a luminescent device. The arylamine compound has a structural general formula as shown in a formula (1) or a formula (2), wherein a ring A in the formula (1) is selected from one of formulas (1-1)-(1-4); the ring A in the formula (1) is selected from one of formulas (2-1)-(2-2); and any two adjacent * represent condensation sites of the ring A and naphthyl in the formula (1) and the formula (2). The arylamine compound provided by the invention has the advantages of low driving voltage, high luminous efficiency, long device life and the like, and can be used as a main body material in preparation of light-emitting devices.

The invention provides a host material, a dual-host-containing organic electroluminescent material and a preparation method and application thereof, the host material has a structure as shown in a general formula 1, the dual-host-containing organic electroluminescent material comprises a first host material and a second host material, and the mass ratio of the first host material to the second host material is 1: 99-99: 1, the first main body material is a compound with a structure as shown in a general formula 1, and the second main body material has a structure as shown in a general formula 2. Triplet excitons are dispersed on two main bodies by using the double main body material, so that triplet-triplet annihilation (TTA) is reduced, the driving voltage of the organic electroluminescent device is reduced, and the driving efficiency of the organic electroluminescent device is improved. And the luminous efficiency and the service life of the device can be improved.

The invention belongs to the field of organic electroluminescent materials, and discloses an organic electroluminescent material, an organic electroluminescent material containing double hosts and a luminescent device. The double-host-containing organic electroluminescent material comprises a first host material and a second host material, the first host material is the organic electroluminescent material and has a compound with a structure shown in a general formula 1, and the second host material is a compound with a structure shown in a general formula 2. The organic electroluminescent material or the organic electroluminescent material containing the double hosts is applied to the organic electroluminescent device, and has the advantages of low driving voltage, high luminous efficiency and long service life.

The invention discloses an organic electroluminescent material and a device thereof. The organic electroluminescent material is a compound with a structure as shown in a formula 1, can be used as a host material in an organic electroluminescent device, and can provide better device performance, such as high efficiency, especially unexpected life prolonging. Also disclosed are an organic electroluminescent device, a compound composition, and an electronic device comprising the compound.

A mold for molding aircraft components is provided. The mold includes a mold first part, a mold second part, and a mold insert, the mold first part and mold insert combining to form a cavity defining the shape of an aircraft component. The cavity may be filled with reinforcing fiber and then infused with matrix material to form a fiber-reinforced composite part. The mold may include one or more sensors to monitor data related to a molding process such as pressure, temperature, and material flow.

A light-emitting element includes an anode, a cathode, and an electroluminescent layer between the anode and the cathode. The electroluminescent layer includes an emission layer containing a host material and a first fluorescent material. A bandgap of the host material is equal to or greater than 3.0 eV and equal to or less than 3.4 eV. A difference in a level of a lowest unoccupied molecular orbital between the host material and the first fluorescent material is equal to or greater than 1.0 eV. A difference in a level of a highest occupied molecular orbital between the host material and the first fluorescent material is equal to or less than 0.3 eV

An organic electroluminescence device includes an anode, a cathode, and an emitting region interposed between the anode and the cathode. The emitting region includes a first sensitizing layer and a first emitting layer. The first sensitizing layer contains a first host material and a first sensitizing material; and the first emitting layer contains a second host material and a first luminescent compound. The first host material and the second host material are mutually different; and the first sensitizing material and the first luminescent compound are mutually different. The lowest singlet energy S1(G1) and the energy gap T77K(G1) at 77K of the first sensitizing material satisfy (Numerical Formula 1): ΔST(G1)=S1(G1)−T77K(G1)<0.5 eV.

An anode material, including a matrix material, and the matrix material comprises carbon-doped silicon monoxide, and a content of the carbon ranges from 0.5% to 10% based on a total mass of the carbon and silicon monoxide. The anode material can significantly improve the cycle performance of an electrochemical device at room temperature and high temperature.

The invention belongs to the field of modification of degradable fat polycarbonate materials, and particularly relates to a PCHC / PPC composite material and a preparation method thereof. A PCHC matrix material is added into PPC for blending modification, a PCHC / PPC blended matrix material is obtained, hydrophobic microcrystalline cellulose is further added, and the PCHC / PPC composite material is obtained. The invention aims to break through the limitation of an existing degradable material in specific application, the performance of a polypropylene carbonate PPC material is better improved through a layer-by-layer progressive optimization strategy, and a novel polycarbonate composite material is obtained, so that the thermal stability and the mechanical property of the material are improved, and wider application requirements are met.

A doped halide solid-state electrolyte and a preparation method therefor, an all-solid-state battery, and an electric device. The general formula of the doped halide solid-state electrolyte is Li6-ma-czAa+ mxBb+ myCc+ zX6, wherein a is the valence of the ion A, b is the valence of the ion B, c is the valence of the ion C, the value of a is 3 or 4, the value of b is 4, 5 or 6, the value of c is 2, 3, 4, 5 or 6, ax+by=a, b>a, x>y>0, 0≤z<0.5, 0<m<1.5, and mx+my+z<1. Compared with a parent matrix material, the doped halide solid-state electrolyte has a better ionic conductivity.

An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer provided between the first emitting layer and the cathode in which the first emitting layer contains a first compound represented by a formula (1) below as a first host material, the first compound containing at least one group represented by a formula (11) below, the second emitting layer contains a second compound represented by a formula (2) below as a second host material, and the first emitting layer and the second emitting layer are in direct contact with each other.

The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having higher luminous efficiency and / or longer lifespan properties as compared with a conventional organic electroluminescent device.

The invention belongs to the technical field of organic photoelectric materials, and provides a phosphorescent host material, a preparation method and an organic electroluminescent device containing the phosphorescent host material. The structural general formula of the phosphorescent host material is shown in the specification. When the phosphorescent host material provided by the invention is applied to a luminescent device, the characteristics of low driving voltage, high luminous efficiency and long service life are shown, and the comprehensive performance of the obtained green organic electroluminescent device is more excellent.

The invention relates to a receiving structure (1) which is intended for casting into a matrix material and has at least one receiving element (4), which projects out of the receiving structure (1) in such a way that it can project into the matrix material. According to the invention, the receiving element (4) has in its interior a receiving space (6) which has an opening (10) facing the surface (94) of the component (90), through which opening (10) a functional module (60, 65, 70, 75, 80, 82, 84, 86, 88) can be guided for insertion into the receiving space (6), wherein the receiving space (6) is universally designed for receiving and connecting each of the functional modules (60, 65, 70, 75, 80, 82, 84, 86, 88, 89), wherein at least one position-securing element (40) is provided for securing the position of reinforcement (96) and substantially predetermines the outer shape of the component (90).The invention further relates to a component (90) comprising a textile reinforcement (96), a matrix material, and conduits (16) for the passage of electricity and / or fluids. According to the invention, a receiving structure (1) comprising receiving elements (4) is embedded in the matrix material and is connected to the textile reinforcement (96) and / or the conduits (16) via position-securing elements (40), wherein the textile reinforcement (96) is aligned in a load-dependent manner with respect to the receiving elements (4), and the receiving elements (4) of the receiving structure (1) are designed in such a way that an influence on the load-bearing behavior of the produced component (90) is minimized.The invention also relates to a method of producing a device with the receiving structure (1).

According to the composition for the organic optoelectronic device and the organic optoelectronic device provided by the invention, a ternary GH system mode is adopted, i.e., a double P-type material is matched with a single N-type material to form a main body material, so that the injection of current carriers is improved, and meanwhile, the material is ensured to have relatively high current carrier mobility; and the efficiency and the service life of the device are improved.

The invention provides a series of organic chiral micromolecule auxiliary functional materials which can be applied to main body materials, electron transport materials or hole transport materials of functional layers in circular polarization organic light-emitting diodes, and belongs to the technical field of organic electroluminescent materials. According to the invention, chiral oxazoline, chiral binaphthyl, chiral spiro, chiral paracyclophane and chiral 1, 2-cyclohexanediamine are used as chiral construction units, and are introduced into main body, electron or hole transport material molecules to construct a series of chiral compounds containing chiral oxazoline, chiral binaphthyl, chiral spiro, chiral paracyclophane and chiral 1, 2-cyclohexanediamine, and the chiral compounds containing chiral oxazoline, chiral binaphthyl, chiral spiro, chiral paracyclophane and chiral 1, 2-cyclohexanediamine are introduced into main body, electron or hole transport material molecules. The organic chiral auxiliary functional material is a main material, an electron transport material or a hole transport material based on 1, 2-cyclohexanediamine, and the preparation of a circular polarization organic light emitting diode device with high luminous efficiency and high luminous asymmetry factor is realized by using the organic chiral auxiliary functional material.

The invention relates to a pre-lithiated lithium ion battery negative plate, a preparation method thereof and a lithium ion battery. The method comprises the following steps that S1, metal lithium and a matrix material are mixed and subjected to ball milling treatment, a pre-lithiated precursor is obtained, and the matrix material is selected from one or two of silicon and silicon monoxide; s2, mixing the pre-lithiated precursor with an electrolyte, and performing stabilization treatment to obtain a stabilized pre-lithiated solution; wherein the electrolyte comprises a carbonic ester compound, a fluorine-containing compound and an optional fluoro-ester compound; and S3, coating the stabilized pre-lithium solution on the negative pole piece. The pole piece pre-lithiation realizes uniform pre-lithiation of the surface of the pole piece, and the electrolyte used by the pre-lithiation solution and the electrolyte assembled by the subsequent battery belong to the same system, so that the pre-lithiation solution has good compatibility with the existing battery system.

The invention relates to a host material for an electrode of a lithium-sulfur battery and a preparation method of the host material. According to the invention, a template is constructed by using a spray pyrolysis process, and the host material for the electrode of the lithium-sulfur battery is finally obtained, and is element-doped graphdiyne with a hollow multi-shell structure. The graphdiyne with a hollow multi-shell structure is doped by doping agents such as a boron source, a nitrogen source, a phosphorus source and a sulfur source, and due to introduction of doping elements, the graphdiyne material has high catalytic activity, can be used for catalyzing oxidation reduction of sulfur species, is beneficial to adsorption of polysulfide and limits the shuttle effect. Through the synergistic effect of the two, the performance of the lithium-sulfur battery can be further improved, and the comprehensive improvement of the energy density, the cycling stability and the rate capability of the lithium-sulfur battery is realized.

A method for manufacturing a radiation-emitting component (100) is specified, comprising the following process steps: - Providing at least one semiconductor chip (10) which, during operation, emits electromagnetic radiation of a first wavelength range from a radiation emission surface (11), - Manufacturing a conversion element (20) on the radiation emission surface (11), wherein manufacturing the conversion element (20) comprises the process steps: - Applying a partially cured matrix material (21) in which phosphor particles are embedded that convert electromagnetic radiation of the first wavelength range into electromagnetic radiation of a second wavelength range, to a surface, - Compacting the partially hardened matrix material (21) to produce a compact layer (22), - Complete hardening of the compact layer (22), wherein the surface is the radiation emission surface (11) of the semiconductor chip (10) or an auxiliary substrate from which the compact layer (22) is transferred to the radiation emission surface (11) before complete curing. A radiation-emitting device (100) is further specified.

The present application relates to the technical field of organic electroluminescent materials, and provides arylamine compounds, an organic electroluminescent device comprising same and an electronic device. The arylamine compounds of the present application have an indolophenanthrene parent nucleus structure. When the compounds of the present application are used as hole transport type host materials in hybrid host materials, the compounds can improve the carrier balance in light-emitting layers, widen the carrier recombination region, and improve the exciton generation and utilization efficiency, thus improving the light-emitting efficiency and prolonging service life of devices.

The invention provides a phosphorescent host material and an organic electroluminescent device, and belongs to the technical field of organic electroluminescent materials, the phosphorescent host material has a structure as shown in a formula I. The phosphorescent host material is applied to the organic electroluminescent device, shows the characteristics of low driving voltage, high luminous efficiency and long service life, and can be applied to the organic electroluminescent device. And the comprehensive performance of the device is excellent.

The present application relates to the technical field of organic photoelectric material, in particular to a kind of arylamine compound and organic electroluminescent device thereof.The arylamine compound shown in formula (I) provided by the present application has good hole migration ability, and proper HOMO and T1 value, is applied to OLED device as hole transport material, can improve the transmission efficiency of hole, collocates other functional layer, can improve the luminous efficiency of device;It also has good stability, can resist high temperature and corrosive gas, thereby prolonging the service life of device;The arylamine compound also has good space configuration, excellent arrangement between molecules, good film-forming property, further improve the luminous efficiency and service life of device.Summarized above, the arylamine compound provided by the present application has the advantages of proper energy level, good stability, good film-forming property etc., can be used as hole transport material, can also be used as the host material of light-emitting layer and cover layer material, is a kind of excellent performance, widely used OLED material.

An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer provided between the first emitting layer and the cathode, in which the first emitting layer contains a first compound represented by a formula (101) below as a first host material, the second emitting layer contains a second compound represented by a formula (2) below as a second host material, and the first emitting layer is in direct contact with the second emitting layer.