307 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 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.

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 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.

Embodiments of the disclosed subject matter provide a device including one or more organic layers that include an emissive layer, a first electrode layer disposed over the one or more organic layers, a plurality of nanostructures formed as part of the first electrode layer, a substrate, a second electrode layer, where the second electrode layer is disposed on the substrate, the one or more organic layers are disposed on the second electrode layer, and the first electrode layer including the plurality of nanostructures is disposed on the one or more organic layers and within the predetermined threshold distance of the emissive layer.

The present invention relates to a polycyclic aromatic derivative compound and an organic light-emitting device using the same. The polycyclic aromatic derivative compound according to the present invention is used for an organic layer in a device, and thus can realize a highly efficient organic light-emitting device, and thus can be industrially and effectively used for various display devices such as flexible displays and lighting apparatuses, such as monochromatic flat panel lighting or white flat panel lighting and monochromatic flexible lighting or white flexible lighting.

The present specification relates to a heterocyclic compound and an organic light-emitting device comprising same.

The present application provides a heterocyclic compound represented by formula 1, an organic light emitting element including the same, and a composition for forming an organic layer.

The invention discloses an organic light-emitting device which comprises a first electrode, a second electrode and an organic layer between the first electrode and the second electrode. The organic layer comprises a light-emitting layer, the light-emitting layer comprises a P-type main body material, an N-type main body material, a first doping material and a second doping material, the P-type main body material is shown as a formula 1-1 or a formula 1-2, and the N-type main body material is selected from a triazine compound; the first doping material is selected from a platinum complex or a platinum complex; and the second doping material is a B / N type MR-TADF material. The luminous layer of the device improves chemical stability, photoelectric stability and thermal stability of a compound through deuteration at active sites of a GH-P material, improves stability of the device, further prolongs service life, combines GH-N to form a double-main-body material, and is matched with a small amount of precious metal first doping material and second doping material, so that the luminous efficiency of the device is improved. Therefore, better efficiency and longer service life are realized.

An organic electroluminescence device containing a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer contains an emitting layer, a first layer, and a second layer, the first layer is disposed between the anode and the emitting layer, the second layer is disposed between the anode and the first layer, the first layer contains a first hole-transporting material and a second hole-transporting material, and the second layer contains an acceptor material having an affinity value in the range of 3.8 to 6.0 eV and at least one hole-transporting material.

The present invention provides an organic electroluminescence device (1) having a light-emitting region (5) disposed between a cathode (3) and an anode (3), a first anode-side organic layer (61), a second anode-side organic layer (62), and a third anode-side organic layer (63), wherein the light-emitting region (5) includes at least one light-emitting layer (50), the second anode-side organic layer includes at least one compound different from the compound contained in the third anode-side organic layer, the film thickness of the third anode-side organic layer (63) is 20 nm or more, and the difference NM2-NM3 between the refractive index NM2 of the constituent material included in the second anode-side organic layer (62) and the refractive index NM3 of the constituent material included in the third anode-side organic layer (63) satisfies the relationship of the following formula (Equation N1). NM2 - NM3 ≥ 0.05 … (Mathematical formula N1)

The present invention relates to a heat dissipation-heat insulation switching flame-retardant material comprising core particles and a flame-retardant organic layer generating char, and a manufacturing method therefor. The heat dissipation-heat insulation switching flame-retardant material is characterized by having heat dissipation characteristics at low temperatures and heat insulation and flame retardancy characteristics at high temperatures due to nano-char formation.

An organic electroluminescent device of an embodiment is provided. The organic electroluminescent device includes a first electrode and a second electrode disposed opposite to each other, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by the following Formula 1, thereby exhibiting improved emission efficiency. [Formula 1] wherein, X, Y, R 11 to R 21 are the same as defined in the specification.

The invention discloses a MicroOLED inorganic and organic laminated thin film and cover plate compounded non-contact packaging structure and a preparation method thereof, and relates to the technical field of MicroOLED packaging. The packaging structure comprises a substrate and a packaging cover, the substrate and the packaging cover are bonded through a packaging layer, and a MicroOLED layer is arranged in the packaging cover in a non-contact mode. The packaging layer is of a laminated film structure formed by alternately depositing inorganic and organic materials. Compared with the prior art, after the packaging layer is made into the organic-inorganic laminated film, through the decoupling effect of the organic layer, pinholes or other defects are filled up, a diffusion channel of water vapor becomes zigzag, a diffusion path is prolonged, the packaging quality is guaranteed, and the service life of packaging is prolonged; and a packaging mode of combining the thin film and the cover plate is adopted, so that the condition of interlayer separation when the device is used due to direct contact between the cover plate or the thin film packaging layer and the MicroOLED layer is avoided, and the service life of the device is further prolonged.

A display device includes: a substrate; an overcoat layer on the substrate and including a base portion and a protruding portion protruding from the base portion in a direction away from the substrate and having an inclined side surface with respect to the base portion; a first electrode in the sub-pixel and covering a portion of the base portion and a portion of the protrusion portion; a bank on the first electrode and the protrusion, the bank having an opening exposing a portion 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 including 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 refractive index of the second organic encapsulation layer is different from the refractive index of the first organic encapsulation layer. The first organic encapsulation layer includes a recess overlapping an exposed portion of the first electrode.

To provide a manufacturing apparatus capable of continuously processing steps from processing to sealing of an organic compound film.SOLUTION: To provide a manufacturing device capable of continuously performing a patterning process of a light-emitting device and a sealing process so that a surface and a side face of an organic layer are not exposed to the atmosphere, and capable of forming a fine light-emitting device with high luminance and high reliability. In addition, the manufacturing apparatus can be incorporated into an in-line manufacturing apparatus in which apparatuses are arranged in the order of steps of the light-emitting device, so that manufacturing can be performed with high throughput.SELECTED DRAWING: Figure 1

The invention relates to the technical field of chemical preparation, in particular to a preparation method of gamma-thiocyano propyl triethoxy silane, which comprises the following steps: adding acetonitrile and tetrabutyl ammonium thiocyanate into a reaction container, dropwise adding 3-chloropropyl triethoxy silane into a four-mouth round-bottom flask while stirring, and controlling the dropwise adding time; the preparation method comprises the following steps: heating to 30-40 DEG C, reacting for 1.5-3 hours, cooling to room temperature, adding an ice-saturated sodium chloride solution into a reaction container to obtain a mixed solution, extracting the mixed solution, taking an organic layer, sequentially washing, drying and filtering, and respectively carrying out vacuum concentration and vacuum rectification on filtrate to obtain the gamma-thiocyano propyl triethoxy silane. The preparation method of the gamma-thiocyano propyl triethoxy silane provided by the invention is carried out under an anhydrous condition, so that hydrolysis and condensation side reactions of silane caused by a water-phase synthesis method are effectively avoided, meanwhile, the generation of irritant gases such as hydrogen sulfide and the like is avoided, and the preparation method is safer to operate, environment-friendly and more suitable for industrial popularization.

The invention discloses a treatment method of 2-acrylamido-2-methylpropanesulfonic acid mother liquor, and relates to the technical field of chemical engineering. Comprising the following steps: S1, adding water into the mother liquor generated in the production process of 2-acrylamido-2-methylpropanesulfonic acid for extraction, and standing for layering to obtain an upper layer which is an organic layer and a lower layer which is an aqueous solution; s2, after extraction is completed, an upper organic layer enters a distillation kettle to be subjected to reduced pressure distillation, and the distilled solvent is recycled; distilling in the kettle until precipitates exist, cooling, carrying out solid-liquid separation, and drying to obtain N-tert-butyl acrylamide; and adding an adsorbent into the aqueous solution at the lower layer, filtering to obtain filtrate A, adding caustic soda liquid into the filtrate A until the pH value is 8-10, cooling, adding seed crystal, standing, and carrying out solid-liquid separation on the precipitate to obtain solid sodium sulfate and a 2-acrylamido-2-methyl propanesulfonic acid sodium salt solution. The treatment method is low in cost, simple to operate and high in resource utilization rate, and the extracted product is high in purity.

The present invention provides a hetero-cyclic compound, an organic light emitting device including the same, and a composition for an organic material layer.SOLUTION: The present invention relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device and a composition for an organic material layer comprising the same. The definition of each substituent in Formula 1 is the same as described in the description of the invention.SELECTED DRAWING: Figure 1

The invention provides a nucleation inhibition material and an organic electroluminescent device thereof, and relates to the technical field of organic electroluminescent materials. The organic light-emitting device comprises a first electrode, an organic matter layer, a second electrode and a nucleation inhibition layer, the organic matter layer is located between the first electrode and the second electrode, the nucleation inhibition layer is located on the side face of the second electrode, and the nucleation inhibition layer contains an anthracene compound shown in the formula 1. The anthracene compound shown in the formula 1 shows a surface with relatively low affinity to deposition of a metal material, so that the anthracene compound serving as a nucleation inhibition material can effectively inhibit deposition of the metal material on the surface of a nucleation inhibition layer when being applied to the organic electroluminescent device, and relatively high light transmittance is obtained; and a metal electrode material coating can be selectively deposited on the device, so that the application of cathode patterning is realized.

The application belongs to the technical field of chemical synthesis, and particularly relates to an intermediate compound II of epirubicin hydrochloride; a synthesis method of the intermediate compound II of epirubicin hydrochloride comprises the following steps: dissolving compound I in an organic solvent A, adding iodobenzene diacetate, controlling temperature to react, after the reaction is completed, extracting with an extracting agent, collecting an organic layer, concentrating, adding a crystallization solvent 1 to crystallize, performing suction filtration, and drying to obtain the intermediate compound II; the compound is used to prepare epirubicin, the route operation is simple, the safety of operation is improved, production cost is saved, and the method is more suitable for industrial production; the target product prepared by the method has high purity and yield, and can overcome defects of the prior art, such as complicated operation, high production cost, high technical requirement and the like.

The present disclosure relates to a molecular memory device comprising a molecular memory unit that includes a first conducting layer, a second conducting layer, and an organic layer interposed between the two conducting layers. The organic layer comprises a compound selected from Formula I, Formula II, their salts, stereoisomers, solvates, or combinations thereof. These compounds exhibit multiple redox states and voltage-dependent geometric isomerism, enabling enhanced electronic switching behavior and multilevel data storage capabilities. The organic materials are sensitive to external stimuli such as voltage, light irradiation, and pH variations, allowing multifunctional integration of sensing, memory, and computing functionalities within a single device architecture. This present disclosure provides a scalable, energy-efficient, and cost-effective platform for advanced memory and neuromorphic computing applications.

Provided are a heterocyclic compound represented by Formula 1 and an organic light-emitting device including the heterocyclic compound. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and at least one of the heterocyclic compound.

The present specification relates to a compound of chemical formula 1, and an organic light-emitting element comprising same.

The invention relates to organic electroluminescent materials and devices. The present disclosure provides carbene emitters of formula (I) wherein the ligand LigA has one or more electron withdrawing substituents; an organic light emitting device (OLED) comprising an anode, a cathode, and an organic layer disposed between the anode and the cathode, the organic layer comprising a compound of formula (I); and a consumer product comprising an OLED comprising a compound of formula (I): Formula (I).

The present invention relates to a novel compound and an organic electroluminescent device using same, and, more specifically, to: an organic compound having excellent characteristics such as electron injection and transport ability, light emission ability, electrochemical stability and thermal stability; and an organic electroluminescent device in which characteristics such as luminous efficiency, driving voltage and lifetime are improved by comprising same in one or more organic material layers.