673 results about "Organic layer" patented technology

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 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 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.

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 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

An organic electroluminescence device includes a first electrode and a second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer among the plurality of organic layers includes an amine compound represented by Formula 1, and thereby exhibits improved emission efficiency.

The present specification relates to a heterocyclic compound of Chemical Formula 1, an organic light emitting device including the same and a composition for forming an organic material layer.

A light emitting device according to an embodiment includes a first electrode and a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one among the plurality of organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.

The present specification relates to an organic light-emitting device comprising a first electrode, a second electrode provided so as to face the first electrode, and one or more organic material layers provided between the first electrode and the second electrode, the organic material layers including a light-emitting layer, the light-emitting layer includes a first host compound represented by Chemical Formula 1 or 2, a second host compound represented by Chemical Formula 3, a first dopant (phosphorescent) compound represented by Chemical Formula 4 or 5, and a second dopant (fluorescent) compound represented by Chemical Formula 6.

The invention provides hydrogenated bisphenol A epoxy resin and a preparation method thereof, and belongs to the technical field of epoxy resin preparation, the preparation method comprises the following steps: (1) dissolving hydrogenated bisphenol A in a solvent, heating, and carrying out reflux dehydration; (2) mixing the hydrogenated bisphenol A subjected to reflux dehydration with a catalyst, and then adding epoxy chloropropane for etherification ring-opening reaction to obtain chlorohydrin ether; (3) adding an alcohol auxiliary agent, then adding alkali, and carrying out closed-loop epoxidation reaction; (4) supplementing a solvent and water, stirring, standing for layering, removing lower-layer saline water, and taking an upper-layer organic layer; and (5) post-processing to obtain the hydrogenated bisphenol A epoxy resin. According to the method disclosed by the invention, by adding the alcohol auxiliary agent, the closed-loop epoxidation reaction can be thorough by adding alkali under normal pressure, the effect of the closed-loop epoxidation reaction can be remarkably improved, a phase transfer catalyst does not need to be added in the reaction process, and decompression reflux dehydration is also not needed, so that reaction equipment and operation are greatly simplified.

To provide an organic electroluminescent element having high luminous efficiency and long operating life.SOLUTION: An organic electroluminescent element includes an anode, a cathode, a first organic layer, and a second organic layer, and the first organic layer is provided between the anode and the cathode, and the second organic layer is in contact with the anode side of the first organic layer, the first organic layer containing a compound represented by the formula (2), and the second organic layer containing a specific polymer.SELECTED DRAWING: Figure 1

A display apparatus includes an over coating layer including a base portion and a protrusion that has an inclined side surface, a first electrode in a sub pixel and covering a part of the base portion and a part of the protrusion, a bank on the first electrode and the protrusion and exposing a part of the first electrode, an organic layer on the first electrode and the bank, a second electrode on the organic layer, and an encapsulation unit on the second electrode and includes a first inorganic encapsulation layer on the second electrode, a first organic encapsulation layer on the first inorganic encapsulation layer, a second organic encapsulation layer on the first organic encapsulation layer, and a second inorganic encapsulation layer on the second organic encapsulation layer. The first organic encapsulation layer includes a concave portion that overlaps the exposed part of the first electrode.

The application provides a method for synthesizing an eplerenone intermediate N-1 by one-pot method, and belongs to the technical field of organic synthesis. The method is characterized in that: the eplerenone intermediate N-4 is dissolved in dichloromethane, a potassium carbonate aqueous solution and dibromohydantoin are added to perform an opening ring reaction; after the reaction is completed, hydrochloric acid is directly added to perform a rearrangement reaction; then water is separated and methanol is added in the organic layer to perform an ozonation reaction; then sodium sulfite is added to perform a reduction reaction; then hydrochloric acid is added to perform a methyl esterification reaction, so as to obtain the eplerenone intermediate N-1 crude product, and finally the eplerenone intermediate N-1 fine product is obtained through refining. The method realizes the one-pot synthesis of the eplerenone intermediate N-1 from the eplerenone intermediate N-4 through the continuous reactions of opening ring, rearrangement, ozonation, reduction and methyl esterification, and can avoid column chromatography purification, so that the method becomes a green chemical process route with greatly reduced organic solvent consumption and wastewater.

The invention relates to a process for the production of an organic layer comprising regions with different electronic properties. The process is based on the use of dihydroanthracene, dihydrobenzene, benzol or fluorene precursors functionalised with at least one substituted propargyl alcohol. By subjecting these precursors to a reduction / re-aromatisation reaction and / or to a retro-Favorskii reaction one obtains small organic molecules or polymers having different electronic properties, due to the specific chemical composition generated by the different chemical reactions in which the precursors are involved. Therefore, starting from the same precursor and subjecting it alternatively to the two specified reactions, one obtains products with different electronic properties. i.e. molecules characterised by high energy levels of the highest occupied molecular orbital (HOMO), which have at least one aromatic ring substituted with at least one ethynyl group, and molecules characterised by lower energy levels of the lowest unoccupied molecular orbital (LUMO), which have at least one carbonyl functionality, preferably at least one quinone ring or at least one phenyl with at least one carbonyl functionality. The reactions are carried out in such a way that the final products are incorporated into a single organic layer.

The invention belongs to the technical field of coatings, and discloses a corrosion-resistant high-impact-resistant electrophoretic coating and a preparation method thereof. The coating comprises a cationic water-based resin emulsion, flaky nano clay with epoxy groups grafted on the surface, a curing agent, a cosolvent and a functional additive, the core of the method is that through electric field driving in the electrophoretic deposition process, resin micelles and modified nano clay form a bionic micro-nano laminated structure in which hard inorganic sheet layers and flexible organic layers are alternately arranged on the surface of a cathode in situ, and interface bonding between the sheet layers is enhanced through chemical bonding. The bionic micro-nano laminated structure with clear periodicity and a chemical bonding interface is constructed through an in-situ co-deposition technology driven by an electric field, and the contradictions that hardness and toughness cannot be achieved at the same time and impact resistance and corrosion resistance are difficult to cooperate in the prior art are solved; the method is suitable for the high-end industrial fields such as automobile bodies, high-speed rail bogies, offshore wind power towers and the like with strict requirements on comprehensive protection performance.

The invention belongs to the technical field of gas separation membranes, and particularly relates to a high-hydrothermal-stability, high-temperature-resistant and high-gas-flux carbon capture membrane as well as a preparation method and application of the high-hydrothermal-stability, high-temperature-resistant and high-gas-flux carbon capture membrane. The method comprises the following steps: coating and spreading a polydimethylsiloxane (PDMS) membrane casting solution on a porous support membrane, and heating to cure and crosslink the porous support membrane to obtain a PDMS composite membrane; and carrying out surface treatment on the PDMS composite film by adopting ultraviolet ozone or atmospheric plasma, so that the surface of the PDMS is converted into an organic SiO2 (POSi) layer through oxidation reaction, and the carbon capture film is obtained. The preparation process of the carbon capture membrane provided by the invention is simple and easy to implement and relatively low in cost, the preparation process can be completed under normal pressure, and the prepared carbon capture membrane has the characteristics of high hydrothermal stability, high temperature resistance and high gas flux and selectivity when being used for gas separation.

The present invention provides: a compound represented by chemical formula 1; a method for recovering same; a material for an organic electric element, containing chemical formula 1 and chemical formula I; and an organic electric element comprising a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode. A compound of chemical formula 1 or a mixture of compounds represented by chemical formula 1 and chemical formula I is included in the organic layer, and thus the driving voltage of the organic electric element can be lowered and luminous efficiency and lifetime can be improved.