926 results about "Organic layer" patented technology

According to one embodiment, a display device includes a base, a first insulating layer disposed on the base, a first electrode disposed on the first insulating layer, a second insulating layer disposed on the first insulating layer and including an opening overlapping the first electrode, a first trench not overlapping the first electrode, and a first surface between the opening and the first trench, an organic layer including a light-emitting layer, and a second electrode covering the organic layer. The organic layer includes a first portion disposed in the opening and covering the first electrode, a second portion disposed on the first surface, and a third portion disposed in the first trench and separated from the second portion.

The invention discloses an organic electroluminescent device, the organic electroluminescent device comprises an anode, a cathode and an organic layer arranged between the anode and the cathode, the organic layer comprises a first metal complex with a structural ligand shown in a formula 1 and a first compound with a structural ligand shown in a formula 2, and the organic electroluminescent device has more excellent comprehensive performance; and particularly, the service life can be remarkably prolonged. Also disclosed are a composition comprising a first metal complex having a structural ligand of Formula 1 and a first compound having a structure of Formula 2, and an organic layer comprising the composition. A display assembly and an electronic device comprising the electroluminescent device or the organic layer are also disclosed.

The invention discloses a PCB ink-jet printing pretreatment agent, a preparation method thereof and a PCB ink-jet printing method, and relates to the technical field of printed circuit board production. The PCB ink-jet printing pretreatment agent is prepared from the following components in mass concentration: 0.1 to 0.5 percent of an anti-diffusion agent, 0.1 to 0.5 percent of a wetting agent, 0.2 to 1.0 percent of a homogenizing agent, 0.5 to 2.5 percent of a dispersing agent, 0.1 to 3.0 percent of a cosolvent and the balance of water. The PCB ink-jet printing pretreatment agent can be used in a surface treatment procedure of a fine PCB pattern ink-jet printing process, a uniform organic layer can be formed on a PCB copper surface and a substrate surface, and the organic layer can effectively reduce surface tension of the copper surface and the substrate surface, prevent diffusion of jet printing ink on the PCB surface, promote uniform arrangement of the ink and improve the printing quality of the PCB. Stable and neat linear ink can be formed, and the product yield of a fine line ink-jet printing process is improved.

The invention discloses a fine circuit pattern anti-diffusion agent as well as a preparation method and a use method thereof, and relates to the technical field of printed circuit board manufacturing. The fine circuit pattern anti-diffusion agent is prepared from the following components in percentage by mass: 0.05 to 0.3 percent of an oleophobic agent, 0.1 to 0.6 percent of a bonding agent, 0.2 to 1.5 percent of an adhesion promoter, 0.5 to 4.0 percent of a wetting agent, 0.5 to 5.0 percent of a cosolvent and the balance of water, the oleophobic agent is a fluorophenylethylamine derivative, the bonding agent is a carbonyl chloride derivative, the adhesion promoter is a sulfur heterocyclic alkane derivative, the wetting agent is a methylsiloxane silane derivative, and the cosolvent is a sulfonyl ketone derivative. According to the fine circuit pattern anti-diffusion agent, an organic layer can be formed on the copper surface of a circuit board, the binding force between the copper surface and printing ink is enhanced, jet printing printing ink is prevented from diffusing on the copper surface, and the product percent of pass of a jet printing solder mask process is improved.

An organic light-emitting device comprises an anode, a cathode and an organic layer formed between the anode and the cathode, and the organic layer comprises a hole injection layer, a hole transmission area, an electron blocking layer, a light-emitting area and an electron transmission area. The hole transport region comprises a first material and a second material, the first material and the second material are sequentially evaporated to form two hole transport layers, and the first material is selected from a compound shown in the formula 1; and the second material is selected from a compound shown in a formula 2. According to the invention, the first material with a high refractive index is used as the first hole transport layer, the second material with a low refractive index is used as the second hole transport layer, and the structures of the first material and the second material are respectively limited at the same time. The invention overcomes the limitation of a single material or a simple mixed material in the aspects of hole transport and luminous efficiency. .

The present specification relates to a heterocyclic compound of chemical formula 1, an organic light-emitting device comprising same, and a composition for forming an organic material layer of the organic light-emitting device.

The preparation method comprises the following steps: mixing 20-40 parts by mass of substituted hydroxymethyl glycoluril, 45-85 parts by mass of mercaptocarboxylic acid and 0.5-3 parts by mass of an acidic catalyst, stirring and reacting for 1-10 hours at the temperature of 50-150 DEG C under the pressure condition of-0.01 to-0.1 MPa, adding 300-800 parts by mass of an organic solvent for diluting after the reaction is finished, washing and purifying with deionized water, and collecting an organic layer, thereby obtaining the mercaptan curing agent. Concentrating and drying to obtain the mercaptan curing agent. According to the thiol curing agent, the rigid glycoluril group is introduced, so that the rigidity of a cured product structure is improved, and the mechanical property, the adhesive property, the heat resistance and the damp-heat aging resistance of a cured product are improved; four tertiary amine groups in the substituted glycoluril have a certain self-promotion effect on a thiol curing epoxy reaction, and the curing reaction temperature is reduced under the condition that an accelerant is not added; the glycoluril-containing thiol epoxy resin curing agent disclosed by the invention has good application value and development prospect.

The present invention relates to a heterocyclic compound represented by chemical formula 1, and an organic light-emitting device and a composition for an organic layer, each comprising same.

The invention provides a method for synthesizing 1, 2-bis (4-vinyl phenyl) ethane, which comprises the following steps: adding a first solvent, methyl triphenyl phosphine halide and strong alkali into a reaction flask, and uniformly stirring to obtain a first mixed solution; heating the first mixed solution and carrying out reflux reaction for 1 hour; dropwise adding a 1, 2-bis (p-formaldehyde phenyl) ethane solution until the reflux reaction is finished to obtain a second mixed solution; reducing the temperature of the second mixed solution to room temperature, and adjusting the pH value of the second mixed solution to obtain a first solution; layering the first solution, and taking an organic layer; adding a polymerization inhibitor into the organic layer to obtain a second solution; concentrating the second solution to obtain a 1, 2-bis (4-vinyl phenyl) ethane crude product; adding a poor solvent into the crude product, stirring and crystallizing; filtering the crystal to obtain a filter cake, adding a second solvent into the filter cake, and washing and drying the filter cake to obtain 1, 2-bis (4-vinyl phenyl) ethane; the method for synthesizing the BVPE is simple and low in raw material cost, and the synthesized BVPE is high in purity and free of product isomeride.

The present invention relates to a novel organic compound and an organic electroluminescent device using same and, more specifically, to an organic compound that exhibits excellent electron transport ability, heat resistance, carrier transport capability, and luminescence, and an organic electroluminescent device in which the organic compound is included in one or more organic layers, thereby improving properties such as emission efficiency, driving voltage, and lifespan.

An organic EL device includes a first hole transporting zone including a first anode-side organic layer and a second anode-side organic layer, in which at least one of the first anode-side organic layer or the second anode-side organic layer contains an additive material, and when the first anode-side organic layer contains a fourth material as the additive material, Numerical Formula N1 and N2 are satisfied:NM1>NM2(Numerical⁢ Formula⁢ N1)NM1⁢4>N⁢M10(Numerical⁢ Formula⁢ N2)where NM1 represents a refractive index of a constituent material in the first anode-side organic layer; NM2 represents a refractive index of a constituent material in the second anode-side organic layer; NM10 represents a refractive index of the constituent material in the first anode-side organic layer not containing the fourth material; and NM14 represents a refractive index of the constituent material in the first anode-side organic layer containing the fourth material.

The main object of the present invention is to provide an organic EL display that has excellent light emission characteristics to enable low voltage driving and has light emitting elements with high reliability, thereby serving to realize a desired current density. Provided is a display device including a substrate, a first electrode, a second electrode, a pixel separation layer, and an organic layer containing a light emitting layer, wherein the pixel separation layer contains a colorant (D-DL), has an optical density of 0.5 to 3.0 in the visible light wavelength range per μm of the thickness of the pixel separation layer, and has a plurality of pixel parts in a plan view. The detection intensity of the sulfur ion (S−), the detection intensity of the chlorine ion (Cl−), the detection intensity of the bromine ion (Br−), and the sum of the detection intensity of the chlorine ion (Cl−) and the detection intensity of the bromine ion (Br−), all measured by time-of-flight secondary ion mass spectrometry at a position 3 nm deep in each pixel part from the surface of the first electrode, the surface being in contact with the organic layer containing a light emitting layer, satisfy relationships represented by specific general formulas.

The invention discloses an organic light-emitting device which comprises a first electrode, a second electrode and an organic layer located between the first electrode and the second electrode, and the organic layer at least comprises a light-emitting layer and an electron transport layer structure. Wherein the light-emitting layer comprises a mixture of compounds shown in the following formula I and having different deuteration rates; and the structure of the electron transport layer comprises a compound shown in the following formula II. The service life of the blue light-emitting device can be remarkably prolonged by matching the structures of the light-emitting layer and the electron transport layer.

The present invention relates to a metal complex having a structure of chemical formula (I). The metal complex is applied to an organic light-emitting device which emits deep red or near-infrared light, and shows a lower driving voltage and higher luminous efficiency, and has greatly prolonged service life. Therefore, the metal complex has the potential of being applied in the field of organic light-emitting devices. Also provided is an organic light-emitting device, including a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron transport layer, and an electron injection layer; and at least one layer in the organic layer contains the compound of structural formula (I).

The present invention relates to: a novel compound having excellent carrier transport ability, light emission ability, and thermal stability; and an organic electroluminescent element having improved characteristics such as light emission efficiency, driving voltage, and lifespan by containing the compound in one or more organic material layers.

The invention discloses trialkoxy functionalized polysiloxane and a preparation method and application thereof.The trialkoxy functionalized polysiloxane has the structural formula shown in the specification, a trialkoxy group is designed in the middle chain segment of polysiloxane, and the group can react with hydroxyl on the surface of filler to be connected, so that the functionality of the polysiloxane is improved, and the service life of the polysiloxane is prolonged. The surface of the filler is coated with an organic layer composed of two hydrophobic polysiloxane chain segments and one methyl group. As a polysiloxane chain segment generated on the surface of the filler is the same as the molecular structure of a polysiloxane matrix, the inorganic filler treated by the technical scheme not only has good stability in the polysiloxane matrix, is not easy to settle, but also has a higher filling coefficient, and is particularly suitable for preparing a thermal interface material with a high heat conductivity coefficient. # imgabs0 #

The present invention discloses a memristor based on a GaN / PEDOT:PSS planar heterojunction and a preparation method thereof, including a substrate; a GaN thin film, the GaN thin film is p-type conductive, and the GaN thin film is attached to the surface of the substrate; a PEDOT:PSS organic layer, the PEDOT:PSS organic layer is p-type conductive, and the PEDOT:PSS organic layer is attached to the surface of the GaN thin film; a first electrode, forming an ohmic contact with the GaN thin film; and a second electrode, forming an ohmic contact with the PEDOT:PSS organic layer. Through the combined action of the space charge layer generated by the GaN / PEDOT:PSS heterojunction and the nitrogen vacancies in the GaN thin film, the present invention can realize the switching of the device resistance between the high resistance state and the low resistance state under the control of an external voltage, and realize the non-volatile writing and erasing of data.

The invention relates to the technical field of copper foils, in particular to a composite layer carrier copper foil, a preparation method of the composite layer carrier copper foil, a method for easily stripping an ultrathin copper foil with a carrier from a composite layer, the ultrathin copper foil and a preparation method of the ultrathin copper foil. The composite layer comprises a nickel layer and an organic layer of a tetrazole compound from inside to outside, and the tetrazole compound has a structure as shown in the following formula (1): R1 is selected from hydrogen, amino, a tetrazole group or a group containing 1-5 carbon atoms; r1 is selected from hydrogen, sulfydryl, amino or a group containing 1-5 carbon atoms, R2 is selected from hydrogen, sulfydryl, amino or a group containing 1-5 carbon atoms, and the groups containing 1-5 carbon atoms in R1 and R2 are respectively selected from C1-C5 alkyl groups, carboxyl-substituted C1-C5 alkyl groups and sulfenyl-substituted C1-C5 alkyl groups. The composite layer carrier copper foil provided by the invention has the characteristics of easy stripping and stable stripping performance.

The invention discloses a Schiff base epoxy oligomer chain extender as well as a preparation method and application thereof. The preparation method of the Schiff base epoxy oligomer chain extender comprises the following steps: adding p-hydroxybenzaldehyde and p-hydroxyaniline into ethanol, reacting at 30-70 DEG C for 2-5 hours, and performing suction filtration to obtain a 4-((4-hydroxybenzylidene) amino) phenol intermediate; and mixing the 4-((4-hydroxybenzylidene) amino) phenol intermediate, epoxy chloropropane and a catalyst, reacting at 80-100 DEG C for 3-7 hours, cooling to 50-70 DEG C, dropwise adding a strong alkali solution, reacting for 4-8 hours after dropwise adding, washing with deionized water, retaining an organic layer, and carrying out rotary evaporation on the organic layer to obtain the product. The rigidity, toughness and heat resistance of the modified nylon 6 prepared by applying the Schiff base epoxy oligomer chain extender are improved, and the modified nylon 6 still has processability similar to that of nylon 6.

The present invention relates to a novel compound having excellent carrier transport ability, light emitting ability, and thermal stability, and to an organic electroluminescence device having improved properties such as light emitting efficiency, driving voltage, and lifespan by incorporating the compound in one or more organic layers.

The present invention provides: an organic electronic element which has improved hole transporting ability; and a compound which is used in the organic electronic element and is capable of improving the hole transporting ability.　Provided is an organic electronic element comprising a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer contains a compound which has a partial structure represented by formula (1). (In formula (1), ring A represents an aromatic hydrocarbon ring which is a C6-30 monocycle or condensed ring which may have a substituent. The aromatic hydrocarbon ring may be linked, directly or via a linking group, to a heterocyclic aromatic ring or to another aromatic hydrocarbon ring which may have a substituent. Ar1 is any of (B1)-(B5), and * represents a bond. X represents a sulfur atom or an oxygen atom. It should be noted that when Ar1 and Ar2 are the same groups of (B1) or (B4), Ar1 has at least one group selected from a cyano group and a trifluoromethyl group, or when Ar1 does not have a group selected from a cyano group and a trifluoromethyl group, Ar1 has two or more groups selected from a fluoro group, a chloro group, a bromo group and an iodo group.)

Provided are multicyclic organic electroluminescent compounds having a ligand LA of Formula I shown below:Also provided are OLEDs and related consumer products that contain an organic layer having these organic electroluminescent compounds.

The invention discloses a copper-doped bismuth-based material as well as a preparation method and application thereof, and the method comprises the following steps: preparing a nano flaky copper-doped bismuth-based material from a copper-doped bismuth-based organic layer by an electrochemical reduction method. And the copper-doped bismuth-based organic layer is prepared by a hydrothermal method. The copper-doped bismuth-based material is used as an electrocatalyst in reduction of CO2 in an acidic system. According to the copper-doped bismuth-based material, the problem of how to increase electron-rich bismuth active sites is solved, and good efficiency of preparing formic acid through reduction of CO2 under electro-catalysis in an acidic electrolyte is achieved.

A bioretention pond includes a pond body and an overflow weir. The pond body includes a pond wall and a layered substrate. The layered substrate includes from bottom to top: a gravel layer, a transition layer, a pyrite layer, a plant layer, a pebble water layer, an organic layer, and a water storage layer. The overflow weir is disposed on the pebble water layer with a space left above the center of the pebble layer. The organic layer is disposed in the space and covers the pebble layer. The water storage layer is disposed onto the organic layer. The pond body further includes a perforated pipe disposed in the gravel layer; and the perforated pipe includes an outlet end disposed at the top part of the pyrite layer.

An organic electroluminescence device comprising: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises a compound represented by the following formula (1), and the first layer comprises a compound represented by the following formula (BE1):

The present disclosure relates to an organic electroluminescent element, and more particularly to an organic electroluminescent element including a novel boron-based organic compound and anthracene-based organic compound in one or more organic layers included in the organic electroluminescent element. The present disclosure may provide an organic electroluminescent element, which is prevented from deterioration in color characteristics and has characteristics such as long lifetimes, as a result of using a host material having a specific structural formula despite having high polarity.

An organic electroluminescent device and an electronic apparatus. The organic electroluminescent device comprises a cathode, an anode and an organic layer. The organic layer comprises an organic light-emitting layer. The organic light-emitting layer comprises a first compound and a second compound. The first compound is selected from a compound shown in formula 1, and the second compound is selected from a compound shown in formula 2.

An organic electroluminescence device includes: a first electrode; a second electrode disposed on the first electrode; and at least one organic layer disposed between the first electrode and the second electrode. wherein the at least one organic layer includes a polycyclic compound having a core structure including a n,n′-bicarbazole moiety and, outside the core structure, at least one optionally substituted carbazole group, and the substituted or unsubstituted carbazole groups of the core structure substituted at any one among carbon atoms at position n±1 of the n,n′-bicarbazole moiety, and any one among carbon atoms at position n′±1 of the n,n′-bicarbazole moiety, respectively; and n and n′ are, independently from one another, integers of 1 to 4 (where n±1 and n′±1 are not 0).

To provide an organic electroluminescent device that emits light with a long life.SOLUTION: In an organic electroluminescent device 1A, an organic layer 10A includes one or more layers, and at least one layer (e.g., an emitting layer 5) of the layers included in the organic layer 10A contains a first material and a second material, the first material includes at least one compound selected from the group consisting of compounds represented by the formula (11) and compounds represented by the formula (12), and the compounds represented by the formula (11) and the formula (12) are each independently a delayed fluorescent compound, and the second material includes a compound represented by the following formula (2).SELECTED DRAWING: Figure 1

The invention provides an organic light-emitting device and a deuterated mixture, the deuterated mixture comprises a deuterated mixture prepared from a compound A through a deuteration reaction, and the organic light-emitting device comprises an anode, a cathode and an organic layer located between the anode and the cathode; the material of the organic layer comprises a deuterated mixture and a doping material; the deuterated mixture comprises a deuterated mixture prepared from a compound A through a deuterated reaction. The organic light-emitting device provided by the invention has relatively low voltage and relatively long service life.