197results about How to "High film stability" patented technology

A method is described for a plasma treatment of a TiCl4 based CVD deposited TiN layer that reduces stress, lowers resistivity, and improves film stability. Resistivity is stable in an air ambient for up to 48 hours after the plasma treatment. A TiN layer is treated with a N-containing plasma that includes N2, NH3, or N2H4 at a temperature between 500° C. and 700° C. Optionally, H2 may be added to N2 in the plasma step which removes chloride impurities and densifies the TiN layer. The TiN layer may serve as a barrier layer, an ARC layer, or as a bottom electrode in a MIM capacitor. An improved resistance of the treated TiN layer to oxidation during formation of an oxide based insulator layer and a lower leakage current in the MIM capacitor is also achieved.

Provided are an organic EL device material that reduce the driving voltage of an organic EL device and increase the lifetime of the device as compared with a conventional organic EL device material. Also provided are organic electroluminescence devices containing the organic EL device material.

In an organic electroluminescent device constructed by providing at least an emitting layer using an organic material between a hole injection electrode and an electron injection electrode, in forming an emitting layer having a dopant doped into a host material, a dopant having a condensed ring obtained by condensing three or more rings is used, and the difference between the highest occupied molecular orbital in the host material and the highest occupied molecular orbital in the dopant is in a range from -0.3 eV to +0.3 eV.

The present invention relates to methods and compositions for the direct detection of membrane conformational changes through the detection of color changes in biopolymeric materials. In particular, the present invention allows for the direct colorimetric detection of membrane modifying reactions and analytes responsible for such modifications and for the screening of reaction inhibitors.

A polymer film substrate is irradiated with ions to make a large number of nano-sized through-holes and the substrate is further irradiated with an ionizing radiation so that a functional monomer is grafted or co-grafted onto a surface of the film and within the holes; in addition, the sulfonic acid group is introduced into the graft chains, thereby producing a polymer ion-exchange membrane that has high oxidation resistance, dimensional stability, electrical conductivity and methanol resistance, as well as an ion-exchange capacity controlled over a wide range.

The invention discloses a pervaporation separation membrane and a preparation method thereof. The pervaporation separation membrane is prepared by stably polymerizing dopa or dopamine on the surface of a base membrane, and performing grafting and cross-linking. According to the pervaporation separation membrane and the preparation method thereof, a polydopa or polydopamine composite layer which can be firmly combined with the base membrane on the basis of a biological bonding principle is obtained; the composite layer is directly cross-linked with hydroxyls in a long-chain molecule, so that the pervaporation separation membrane which is high in hydrophility, permeation flux, separation performance and membrane stability is prepared. The preparation process is simple and convenient; raw materials are easy to obtain; the condition is mild; the prepared pervaporation membrane is used for separating ethyl acetate from water, and has relatively high permeation flux and membrane stability.

An organic semiconductor material comprising a compound which has a generalized porphyrin skeleton and which has a molecular structure such that the distance from the generalized porphyrin ring plane to the center of each atom forming the generalized porphyrin skeleton, is not more than 1 Å.

Provided are a compound for an organic optoelectronic device represented by Chemical Formula 1, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The structure of Chemical Formula 1 is shown in the specification.The compound for an organic optoelectronic device provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and having high luminous efficiency at a low driving voltage.

The present invention provides a photosensitive resin composition comprising an alkali-soluble resin having a phenolic hydroxyl group as an end group (A); a radiation-polymerizable compound (B); and a photoinitiator (C), a film adhesive, an adhesive sheet, an adhesive pattern, a semiconductor wafer with an adhesive layer, and a semiconductor device using the photosensitive resin composition.

The invention relates to an organic electroluminescent material and an application thereof. The electroluminescent material has a molecular structure as shown in a formula (I), has relatively good thin film stability and suitable molecular energy level, can serve as a hole-transport material, and is applied to the field of organic electroluminescent.

A porous SiCOH dielectric film in which the stress change caused by increased tetrahedral strain is minimized by post treatment in unsaturated Hydrocarbon ambient. The p-SiCOH dielectric film has more —(CHx) and less Si—O—H and Si—H bonding moieties. Moreover, a stable pSiOCH dielectric film is provided in which the amount of Si—OH (silanol) and Si—H groups at least within the pores has been reduced by about 90% or less by the post treatment. A p-SiCOH dielectric film is produced that is flexible since the pores include stabilized crosslinking —(CHx)— chains wherein x is 1, 2 or 3 therein. The dielectric film is produced utilizing an annealing step subsequent deposition that includes a gaseous ambient that includes at least one C—C double bond and / or at least one C—C triple bond.

A method for providing a dielectric film having enhanced adhesion and stability. The method includes a post deposition treatment that densifies the film in a reducing atmosphere to enhance stability if the film is to be cured ex-situ. The densification generally takes place in a reducing environment while heating the substrate. The densification treatment is particularly suitable for silicon-oxygen-carbon low dielectric constant films that have been deposited at low temperature.

The invention discloses a method for preparing a graphene oxide film and a graphene oxide film product. The method comprises the following steps: mixing graphene oxide dispersion liquid and amino terminal-hyperbranched or dendritic polymer, carrying out suction filtering to prepare the graphene oxide film. The invention further discloses a method for preparing the graphene oxide film for sustained release of drug and a graphene oxide film product, and the method comprises the steps of mixing the graphene oxide dispersion liquid and the amino terminal-hyperbranched or dendritic polymer, adding a medicine with an aromatic nucleus into the mixed solution, and finally carrying out suction filtering. According to the method, the graphene oxide is crosslinked by means of the amino terminal-hyperbranched or dendritic polymer to form a flat lamellar film, so that the film has a relatively high film stability in an aqueous environment, the sustained-release controlled-release performance of drug can be improved, and the drug loading capacity of the film can be improved; and the graphene oxide film for sustained-release of drug is slowly released in a damp or aqueous environment and has the advantages of long maintaining duration and remarkable antibacterial effect.

The invention relates to an arylamine compound, a preparation method of the arylamine compound, and organic light-emitting devices containing the arylamine compound. The structure of the arylamine compound is disclosed in the invention. The arylamine compound disclosed by the invention is a cap layer material which has the advantages of high refractive index and excellent film stability and durability, and is made of a material without absorption in respective wavelength regions of blue, green and red. The arylamine compound not only can be used as a material of a cap layer CPL of the organiclight-emitting devices, but also can be used as a material used for hole transport layers, a hole injection layers and light-emitting layers. The arylamine compound can improve the light emitting efficiency of light emitting devices, and prolonging the service life of the devices, and is an ideal cathode cap layer material. The preparation method of the arylamine compound provided by the inventionis simple and feasible in synthesis process and suitable for large-scale production.

A polylactic acid resin film or sheet which can be satisfactorily and stably formed and has excellent matte properties. It is a single-layer matte film or sheet which comprises a polylactic acid resin composition containing a particulate substance and at least one side of which has a surface gloss as measured in accordance with ASTM-D2457-70 (45° gloss) of 60% or lower.

The invention relates to an aromatic amine compound and an organic light-emitting device (OLED) containing the compound. The structural formula of the aromatic amine compound is as shown in the following description. The aromatic amine compound involved in the invention has relatively high refractive index, and can improve the light extraction efficiency of a top-emitting organic photoelectronic device when used as the capping layer of an organic light-emitting display device. The aromatic amine compound involved in the invention has relatively small extinction coefficient, and barely absorbs blue light, thereby facilitating the improvement of the luminous efficiency; meanwhile, the aromatic amine compound can effectively block water and oxygen in an external environment, and protects an OLED display panel from being eroded by the water and the oxygen, and the OLED can achieve high efficiency and long life. Compared with a known OLED, the OLED involved in the invention can greatly improve the light extraction efficiency because a material for an organic EL element with high refractive index, and excellent film stability and durabilityis used as a material for the covering layer. The organic light-emitting device involved in the invention can achieve high efficiency and long life.

The invention relates to a boron-containing organic compound and application thereof to an organic light-emitting device, belonging to the technical field of semiconductors. The structure of the boron-containing organic compound is shown as a general formula (1). The invention also discloses the application of the boron-containing organic compound in an organic electroluminescent device. Accordingto the boron-containing organic compound, the whole molecule of the compound is of a large rigid structure, the planarity of a material is reduced through introduction of substituent groups, the steric hindrance of the material is increased, the material is not prone to rotation, a three-dimensional space structure is more stable, and therefore, the compound has high glass transition temperatureand molecular thermal stability; in addition, the HOMO and LUMO distribution positions of the compound are separated from each other, so the compound has appropriate HOMO and LUMO energy levels. Therefore, after the compound is applied to the OLED device, the luminous efficiency of the device can be effectively improved, and the service life of the device can be effectively prolonged.

The invention discloses an organic compound with xanthene as a core and a use thereof. The organic compound has a general structural formula (1). The compound has a high glass transition temperature and molecular thermal stability, is suitable for HOMO and LUMO energy levels, has high Eg, and can effectively prolong the photoelectric performances of an OLED device and a service life of the OLED device through device structure optimization.

We describe a luminescent device (120, 130) comprising a substrate (102) and a film comprising perovskite crystals (122, 132) deposited on the substrate, wherein the film comprising perovskite crystals is encapsulated with a layer (124, 134)) or within a matrix (124, 134) of an insulating oxide or an insulating nitride.

The present invention provides a method for preparing an emulsion type adhesive material for an aqueous paint, containing a core-shell structured copolymer having a dual layer with a core comprising a starch-based copolymer, a natural polymer, and a shell comprising a hydrophobic polymer. The adhesive material for an aqueous pain obtained through the preparation method of the present invention has particularly excellent water-resisting qualities, film characteristics, and viscosity characteristics.

The invention discloses a method for preparing a super-hydrophobic surface with an ultra-critical CO2 rapid expansion method. The method comprises the following steps of: activating nano-silica with hydrochloric acid, filtering, drying, adding absolute ethanol, adding distilled water, adding two kinds of coupling agents containing fluorine and double bonds, washing a product, filtering and dryingto obtain nano-silica particles containing double bonds; adding the nano-silica particles containing double bonds into an ultra-critical CO2 reaction kettle, stirring, and spraying onto a water-basedpolyurethane paint surface which is end-capped with double bonds and is added with an initiator; and drying, grafting the nano-silica particles onto a polyurethane coating surface to form a stable structure to obtain a super-hydrophobic surface. A process used in the method is environmentally-friendly, the ultra-critical CO2 is a nontoxic, non-flammable and environmentally-friendly solvent, the solvent which quickly expands in a fluid and solute particles are easy to separate rapidly and completely, and no solvent is left in the particles; and the preparation efficiency is high, the method issuitable for large-area preparation, and high film coating stability and high scratch resistance are achieved.

A process for manufacturing of an asymmetric hollow fibre membrane, comprising the steps of extruding a polymer solution through the outer ring slit of a hollow fibre spinning nozzle, simultaneously extruding a centre fluid through the inner bore of the hollow fibre spinning nozzle, into a precipitation bath, whereby the polymer solution contains 10 to 26 wt-% of polysulfone (PSU), polyethersulfone (PES) or polyarylethersulfone (PAES), 8 to 15 wt-% polyvinylpyrrolidone (PVP), 55 to 75 wt-% N-alkyl-2-pyrrolidone (NAP) and 3 to 9 wt-% w ater the centre fluid contains 70 to 90 wt-% N-alkyl-2-pyrrolidone (NAP) and 10 to 30 wt-% water, and the precipitation bath contains 0 to 20 wt-% N-alkyl-2-pyrrolidone (NAP) and 80 to 100 wt-% water.

A porous SiCOH (e.g., p-SiCOH) dielectric film in which the stress change caused by increased tetrahedral strain is minimized by post treatment in unsaturated Hydrocarbon ambient. The inventive p-SiCOH dielectric film has more —(CHx) and less Si—O—H and Si—H bondings as compared to prior art p-SiCOH dielectric films. Moreover, a stable pSiOCH dielectric film is provided in which the amount of Si—OH (silanol) and Si—H groups at least within the pores has been reduced by about 90% or less by the post treatment. Hence, the inventive p-SiCOH dielectric film has hydrophobicity improvement as compared with prior art p-SiCOH dielectric films. In the present invention, a p-SiCOH dielectric film is produced that is flexible since the pores of the inventive film include stabilized crosslinking —(CHx)— chains wherein x is 1, 2 or 3 therein. The dielectric film is produced utilizing an annealing step subsequent deposition that includes a gaseous ambient that includes at least one C—C double bond and / or at least one C—C triple bond.

Density modulated thin film electrodes, methods of making the same, and applications of the same. The density modulated thin film electrode includes a substrate formed of a current collecting material, and a thin film formed of an electrode material on the substrate. The thin film has a first surface and an opposite, second surface, and a density that is changed with a distance defined from the first surface to a plane in the thin film, the plane being parallel to the first surface. The method includes depositing the electrode material on the substrate to form the thin film, where, during deposition of the electrode material, a pressure of an operating gas is controlled and changed to a predetermined pressure value according to a deposited thickness of the electrode material, so as to make the density of the thin film changed with the distance.

Provided are a positive photosensitive resin composition that is developable in an alkaline aqueous solution and gives a good shaped pattern that is excellent in heat resistance and mechanical property, a method for producing the pattern and an electronic component. The positive photosensitive resin composition contains (a) polybenzoxazole or a polybenzoxazole precursor polymer having a structural unit represented by either a general formula (1) or (2) and satisfying conditions (i) and / or (ii), (b) a compound that generates an acid by being irradiated with active light ray and (c) a compound having a structure represented by a general formula (3) crosslinkable or polymerizable with said component (a).

Disclosed is a novel compound suitable as an electron-transporting material for organic electronic devices. Also disclosed is an organic electronic device using such a compound which has higher sensitivity and longer life than conventional organic electronic devices. Specifically disclosed is a compound having a structure wherein constitutional units represented by the general formula (1) below are bonded to one another without the intermediary of a linking group. (1) [In the formula, X1-X4 independently represent an oxygen atom, sulfur atom or NR0 (wherein R0 represents a hydrogen atom or a substituted or unsubstituted monovalent organic group); Z0 represents a tetravalent organic group; and * represents a bonding position.

An apparatus and method for depositing thin films. The apparatus generally comprises a process chamber having one or more walls and a lid and two heat exchangers. A first heat exchanger is coupled to the walls and a second heat exchanger is coupled to the lid. The two heat exchangers are configured to provide separate temperature control of the walls and lid. Separate control of the lid and wall temperatures inhibits reaction of the organosilane within the lid while optimizing a reaction within the chamber. The apparatus implements a method, in which a process gas comprising ozone and an organosilane are admitted through the into a processing while a substrate is heated to form a carbon-doped silicon oxide layer over the substrate. During deposition, the lid is kept cooler than the walls.

The invention discloses a heterocyclic compound with xanthone as a core and a preparation method and applications thereof, and belongs to the technical field of semiconductors. The structure of the compound provided by the invention is represented by a general formula (I) shown in the description. The invention also discloses the preparation method and the applications of the compound. The compound of the invention has high glass transition temperature and molecular thermal stability and has a suitable HOMO and LUMO energy leves, has a singlet-triplet energy level difference ([delta]Est), andcan be used as a doping material of a light emitting layer of an organic electroluminescent device, thereby improving the luminous efficiency and service life of the device.

The invention relates to the technical field of organic electroluminescent display, particularly discloses an organic material of an SO2 polyheterocyclic structure compound, and also discloses application of the organic material in an organic electroluminescent device. The SO2 polyheterocyclic structure compound provided by the invention is shown as a general formula (I), can be applied to the field of organic electroluminescence, and can be used as an electron transport material. The compound with the structure provided by the invention is applied to an OLED device, the driving voltage of thedevice can be reduced, and the light emitting efficiency of the device is improved.