615 results about "Host material" patented technology

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 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.

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 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 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.

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 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.

The present disclosure relates to an organic electroluminescent compound represented by formula 2′, a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or a specific combination of compounds of the present disclosure, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency, and / or lifespan characteristics.

The present invention relates to novel materials and electronic devices, in particular organic electronic devices such as OLEDs (organic light emitting diodes) containing these materials, for example as electron transport materials, hole blocking materials or matrix materials. The invention also relates to mixtures that contain these novel materials.

The invention relates to the technical field of electroluminescent materials and devices, in particular to an alcohol-soluble host material for a carbon dot electroluminescent device as well as a preparation method and application of the alcohol-soluble host material. The alcohol-soluble host material for the carbon dot electroluminescent device has a structure as shown in a formula I. According to the invention, phosphate ester is introduced into the alcohol-soluble host material as a side chain, so that on one hand, the solubility of the host material in ethanol can be effectively improved, and on the other hand, the film-forming ability of the host material can be effectively improved. Diphenylamine, carbazole and carbazole derivatives are used as donors, triazine is used as an acceptor, and the host material can be endowed with the characteristic of bipolar transmission. Test results show that the alcohol-soluble host material provided by the invention has excellent alcohol solubility and film-forming ability comparable to that of a polymer host material, and also has good hole and electron transport ability, so that carrier transport is effectively balanced, and the luminous efficiency of a host-guest doped electroluminescent device is improved.

The invention relates to a device and a method for applying matrix material for matrix-assisted ionization, in particular for applying matrix material for matrix-assisted laser desorption / ionization. The invention also relates to the use of a device according to the invention for applying matrix material for matrix-assisted ionization. The invention also relates to the use of a sample carrier comprising matrix material for matrix-assisted ionization, which has been applied by means of a method according to the invention, for ion spectrometric analyses.

The application discloses an organic electroluminescent material, an organic electroluminescent device and a display device, and the organic electroluminescent material comprises an organic compound shown in formula 1, the organic compound comprises an azole derivative structural unit and a phenanthro (hetero) aryl structural unit, the organic compound can be used as a host material of the organic electroluminescent device, can effectively reduce a driving voltage of the organic electroluminescent device, and can improve the efficiency and the service life of the light-emitting device and the comprehensive performance of the light-emitting device.

The display panel, the preparation method of the display panel and the electronic equipment provided by the embodiments of the present application relate to the technical field of display, and the display panel comprises a light-emitting layer, the light-emitting layer comprises an electron-accepting host material and an electron-donating host material, the light-emitting layer comprises a first light-emitting sublayer, a second light-emitting sublayer and a third light-emitting sublayer, the ratio of the mass of the electron-accepting host material in the first light-emitting sublayer to the mass of the first light-emitting sublayer is a first content, the ratio of the mass of the electron-accepting host material in the third light-emitting sublayer to the mass of the third light-emitting sublayer is a second content, the maximum ratio of the mass of the electron-accepting host material in the light-emitting layer to the mass of the light-emitting layer is a first maximum content, and the minimum ratio of the mass of the electron-accepting host material in the light-emitting layer to the mass of the light-emitting layer is a first minimum content; the first content is less than the first maximum content, and / or the second content is greater than the first minimum content. The present application can improve the service life of the light-emitting unit.

The present invention relates to an organic electroluminescent device having a cathode, an anode, and at least one organic layer including a light-emitting layer sandwiched between the cathode and the anode, the light-emitting layer contains a first compound and a second compound which are used as host materials, a third compound which is used as a sensitizer material, and a fourth compound which is used as a green light-emitting guest material.

The application provides an organic electroluminescent compound, a double-host-containing organic electroluminescent material and an organic electroluminescent device, the organic electroluminescent compound has a structure shown in general formula 1, 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 compound as described above, and the second host material has a structure shown in general formula 2, the organic electroluminescent compound or the double-host-containing organic electroluminescent material of the application is applied to the organic electroluminescent device, so that the device has the characteristics of low driving voltage, high luminous efficiency and long service life.

A porous mesh structure for use in the thermal management of integrated circuit devices may be formed as a solid matrix with a plurality of pores dispersed therein, wherein the solid matrix may be a plurality of fused matrix material particles and the plurality of pores may comprise between about 10% and 90% of a volume of the porous mesh structure. The porous mesh structure may be formed on an integrated circuit device and / or on a heat dissipation assembly component, and may be incorporated into an immersion cooling assembly, wherein the porous mesh structure may act as a nucleation site for a working fluid in the immersion cooling assembly.

An organic electroluminescent device (OLED, organic light emitting device) comprising: an anode; a cathode, arranged opposite to the anode; and at least one light emitting layer arranged between the anode and the cathode; wherein the at least one light emitting layer comprises beside at least one emitter EM1 having a surface charge density SCDEM1, a host system comprising at least two host materials, wherein the first host material is a hole-transporting host material h-TMM having a surface charge-density SCDH1 and the second host material is an electron-transporting host material e-TMM having a surface charge-density SCDH2; characterized in that the surface charge-density of the host system SCDhost is > 0.5 mC / m2.

The present application relates to the field of organic electroluminescent material technology, and in particular, to an organic compound, an organic electroluminescent device comprising same, and an electronic apparatus. The compound of the present application comprises a polycyclic conjugated core structure. When used as the host material of a light-emitting layer, the compound of the present application can improve the carrier balance in the light-emitting layer, widen the carrier recombination region, improve the exciton generation and utilization efficiency, and increase the light-emitting efficiency and service life of the device.

Disclosed is a heterocyclic compound containing boron and nitrogen. The compound adopts a novel heterocyclic structure containing boron and nitrogen, and can be used as a luminescent material, a host material, a charge blocking material, a charge transport material and the like in an electroluminescent device. The compound can provide a very narrow luminescent spectrum and realize high-saturation dark blue luminescence. An organic light emitting device and a compound formulation are also disclosed.

The invention discloses photovoltaic coated glass, a preparation method thereof and a photovoltaic module, and belongs to the technical field of glass manufacturing. The preparation method comprises the following steps: mixing a matrix material, a main sensitizer, an intermediate sensitizer, an exciting agent, a first chelating agent, deionized water and a nitric acid solution, and reacting to obtain a solution A; tetraethoxysilane, deionized water, an organic solvent and a second metal chelating agent are mixed and subjected to a hydrolysis reaction, and a solution B is obtained; mixing the solution A and the solution B, and preparing a first sol solution through a sol-gel method; coating the surface of a glass substrate with the first sol solution, and drying to obtain a light conversion antireflection film layer; preparing a protective film layer on the surface, far away from the glass substrate, of the light conversion antireflection film layer; the photovoltaic coated glass is obtained by carrying out toughening treatment on the glass substrate containing the light conversion antireflection film layer and the protective film layer, and the photovoltaic coated glass is applied to the photovoltaic module, so that the sunlight capture and utilization efficiency of the photovoltaic module can be improved, and the wear resistance can be enhanced.

The invention relates to a tri-pyrazolo boron Eu (II) complex, which has the following structure as shown in the specification, the complex shows high photoluminescence quantum yield and excellent air stability and thermal stability, and is suitable for a luminescent layer in an electroluminescent device. The Eu (II) complex Eu (Tp3Me, 5Me) 2 is used as a guest material to be doped in a host material such as SiCzCz, an efficient and stable OLED can be prepared, the maximum external quantum efficiency reaches 16.9%, LT90 reaches 1835 seconds under the initial brightness of 1000 cd / m, and compared with an OLED prepared from the Eu (II) complex Eu (Tp3Me, 5Me) 2 without large steric hindrance, the efficiency and stability are greatly improved, which shows that the performance of the Eu (II) complex OLED can be improved by introducing the large steric hindrance group.

This invention provides a sulfur transfer aid, its preparation method, and its application. The sulfur transfer aid comprises 30%-70% magnesium oxide, 15%-60% aluminum oxide, 10%-15% cerium oxide, and 2%-5% vanadium pentoxide. The magnesium oxide is provided by a first magnesium source and a magnesium-aluminum matrix material, and the aluminum oxide is provided by a first aluminum source and a magnesium-aluminum matrix material. On a dry basis, the mass of the magnesium-aluminum matrix material is 5%-30% of the total mass of the raw materials of the sulfur transfer aid. The magnesium-aluminum matrix material is obtained by crystallizing a mixture of a second magnesium source and a second aluminum source after sol-treatment, and the magnesium-aluminum matrix material comprises magnesium oxide and aluminum oxide in a mass ratio of 0.2-0.8:1. This invention also provides a preparation method for the above-mentioned sulfur transfer aid and its application in catalytic cracking processes. This sulfur transfer aid can efficiently desulfurize and is suitable for industrial production.