Abstract: Disclosed herein is an organic electroluminescent device including: an anode; a cathode; and an organic layer including a light-emitting layer, a naphthacene compound layer containing a naphthacene compound, and an electron transport layer; the light-emitting layer being composed of a light-emitting guest material and an aromatic hydrocarbon compound having the skeleton of anthracene, and the naphthacene compound layer containing no less than 80 wt % of naphthacene compound represented by the formula (1) below and having a thickness of 0.5 to 10 nm and being in contact with that side of the electron transport layer which faces the light-emitting layer.

Abstract: The present invention relates to novel polymers which comprise one or more recurring units selected from spirobifluorene, indenofluorene, phenanthrene, dihydrophenanthrene, dihydropyrene, tetrahydropyrene and dihydrobenzoxepine derivatives and have low polydispersity and a high molecular weight, to a process for the preparation thereof, to blends and formulations comprising these polymers, and to the use of these polymers in electronic devices, in particular in organic light-emitting diodes, so-called OLEDs (OLED=organic light-emitting diode).

Abstract: A dye sensitized solar cell, comprising a-heteroleptic polypyridil complex of Ru, Os or Fe. The donating ligand has an extended conjugated n-system increasing the light absorbance and keeing the LUMO energy level higher than that of the anchoring ligand. A compacting compound whose molecular structure comprises a terminal group, a hydrophobic part and an anchoring? group may be co-adsorbed together with the dye on the semi-conductive metal oxide layer of the photoanode, forming a dense mixed self-assembled monolayer.

Abstract: Disclosed herein are an alternating copolymer of phenylene vinylene and biarylene vinylene, a preparation method thereof, and an organic thin film transistor including the same. The organic thin film transistor maintains low off-state leakage current and realizes a high on/off current ratio and high charge mobility because the organic active layer thereof is formed of an alternating copolymer of phenylene vinylene and biarylene vinylene.

Abstract: An organic electronic device includes a substrate, a first electrode arranged on the substrate, at least a first functional organic layer arranged on the first electrode and a second electrode arranged on the first functional organic layer. The first functional organic layer includes a matrix material and a p-dopant with regard to the matrix material, wherein the p-dopant includes a copper complex containing at least one ligand.

Abstract: This invention relates to electroluminescent metal complexes of the formula (I), or (II), a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.

Abstract: This invention relates to a supported polymer heterostructure and methods of manufacture. The heterostructure is suitable for use in a range of applications which require semiconductor devices, including photovoltaic devices and light-emitting diodes.

Abstract: Compositions that contain an organic semiconductor dissolved in a solvent mixture are described. More specifically, the solvent mixture includes an alkane having 9 to 16 carbon atoms in an amount equal to 1 to 20 weight percent and an aromatic compound in an amount equal to 80 to 99 weight percent. The semiconductor material is dissolved in the solvent mixture in an amount equal to at least 0.1 weight percent based on a total weight of the composition. Methods of making a semiconductor device using the compositions to form a semiconductor layer are also described.

Abstract: Provided is a patterning method, wherein a donor substrate, in which a light-to-heat conversion layer and a division pattern are formed on a substrate and a transferring material exists within said division pattern, is opposed to a device substrate and said transferring material is transferred on the device substrate by irradiating the light-to-heat conversion layer with light so that at least a part of said transferring material and at least apart of said division pattern are simultaneously heated. The patterning method enables large size and highly accurate fine patterning without degrading characteristics of thin films such as organic EL materials.

Abstract: A polymer and an organic light-emitting device including the polymer. An example of the polymer is wherein in Formula 1, Ar1 is each independently represented by —(Q1)n—, and Q1 is selected from the group consisting of a substituted or unsubstituted C5-C30 arylene group, a substituted or unsubstituted C4-C30 heteroarylene group, a substituted or unsubstituted C2-C30 alkenylene group, and a group represented by —N(Z1)—, and n is an integer from 1 to 10, and n groups of Q1 in -(Q1)n- is identical to or different from each other, and X1 and X2 are each independently selected from the, group consisting of —O—, —S—, —N(Z2)—, and —C(Z3)(Z4)—.

Abstract: An organic light-emitting device including a substrate; a first electrode on the substrate; a second electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; and a first layer including a cyano group-containing compound, the first layer being between the first electrode and the emission layer, wherein the first electrode includes an Al-based reflective layer and a transparent conductive layer sequentially stacked on the substrate, the Al-based reflective layer including a first element and nickel (Ni), and the first element includes at least one of lanthanum (La), cerium (Ce), praseodymium (Pr), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu).

Abstract: An organic light-emitting device including a first electrode and a first layer, wherein the first electrode includes a first element-containing zinc oxide layer and the first layer includes a cyano group-containing compound.

Abstract: Electronic devices, such as organic thin film transistors, with improved mobility are disclosed. The semiconducting layer comprises layers or striations of an organic semiconductor and graphene, including alternating layers/striations of such materials. The organic semiconductor and graphene layers interact well together because both materials form lamellar sheets. The presence of graphene enhances mobility by correcting molecular packing defects in the organic semiconductor layers, and the conductivity of graphene can be controlled. Finally, both materials are flexible, allowing for flexible semiconductor layers and transistors.

Abstract: Disclosed are new selectively functionalized rylene imides and diimides that can exhibit desirable electronic properties and can possess processing advantages including solution-processability and/or good stability at ambient conditions.

Abstract: An organic electroluminescent element containing an anode and a cathode having therebetween a light emitting layer, wherein the light emitting layer contains a guest compound having a substructure represented by the following Formula (A): wherein Ra represents alkyl, alkenyl, alkynyl, cycloalkyl, aromatic hydrocarbon, aromatic heterocyclic or heterocyclic, Rb and Rc represent hydrogen or a substituent, A1 represents a group of atoms which forms an aromatic hydrocarbon ring or an aromatic heterocycle, M represents Ir or Pt, and a host compound having the following Formula (1): wherein Ra1 represents alkyl, alkenyl, alkynyl, cycloalkyl or heterocyclic, R1, R2 and R5 each represent hydrogen or a substituent, and n1, n2 and n5 each represent 0 to 4.

Abstract: An organic electroluminescent element containing an anode and a cathode having therebetween a light emitting layer, wherein the light emitting layer contains a guest compound having a substructure represented by the following Formula (A): wherein Ra represents alkyl, alkenyl, alkynyl, cycloalkyl, aromatic hydrocarbon, aromatic heterocyclic or heterocyclic, Rb and Rc represent hydrogen or a substituent, A1 represents a group of atoms which forms an aromatic hydrocarbon ring or an aromatic heterocycle, M represents Ir or Pt, and a host compound having the following Formula (1): wherein Ra1 represents alkyl, alkenyl, alkynyl, cycloalkyl or heterocyclic, R1, R2 and R5 each represent hydrogen or a substituent, and n1, n2 and n5 each represent 0 to 4.

Abstract: The present invention relates to an electronic component having at least one anode, at least one cathode, at least one charge injection layer, at least one layer of an organic semiconductor and at least one layer situated between the charge injection layer and the organic semiconductor layer, which component is characterized in that the layer situated between the charge injection layer and the organic semiconductor layer and the organic semiconductor layer are obtainable by coating the charge injection layer with a mixture composition at least one material which can be made insoluble by means of chemical reaction, and at least one organic semiconductor, method for producing said component and use of said component.

Abstract: A photoelectric conversion device comprising a transparent electrically conductive film, a photoelectric conversion film and an electrically conductive film in this order, wherein the photoelectric conversion film comprises a photoelectric conversion layer, and an electron blocking layer, wherein the electron blocking layer contains a compound represented by the specific formula.

Abstract: A method of forming a fine particle pattern, includes: forming a layer containing a silane coupling agent having a thiol group, an amino group, a hydroxyl group, a carboxyl group, or a sulfo group, each of which is protected by a photolytic protective group on a top-most surface of a substrate; exposing the substrate to light in a pattern; immersing the substrate into a colloidal solution in which metal atom-containing fine particles are dispersed; and allowing the metal atom-containing fine particles to selectively adhere onto an exposed area.

Abstract: A photovoltaic cell which comprises a first electrode, a second electrode, a photoactive, charge-separating layer comprising a semiconducting polymer between the first and the second electrodes, and a passivatng layer adapted to enhance the lifetime of the photovoltaic cell. The passivating layer comprises a substantially amorphous titanium oxide having the formula of TiOx where x represents a number from 1 to 1.96.

Abstract: Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltage, high luminance and long lifespan.

Abstract: An organic semiconductor polymer and transistor are provided, the organic semiconductor polymer is represented by the following Chemical Formula (1)

Abstract: Hybrid semiconductor materials have an inorganic semiconductor incorporated into a hole-conductive fluorene copolymer film. Nanometer-sized particles of the inorganic semiconductor may be prepared by mixing inorganic semiconductor precursors with a steric-hindering coordinating solvent and heating the mixture with microwaves to a temperature below the boiling point of the solvent.

Abstract: Provided are an organic semiconductor compound using thiazole, and an organic thin film transistor having an organic semiconductor layer formed of the organic semiconductor compound using thiazole. The novel organic semiconductor compound including thiazole has liquid crystallinity and excellent thermal stability, and thus is provided to form an organic semiconductor layer in the organic thin film transistor. To this end, a silicon oxide layer is formed on a silicon substrate, and an organic semiconductor layer including thiazole is formed on the silicon oxide layer. In addition, source and drain electrodes are formed on both edge portions of the organic semiconductor layer. The organic thin film transistor using the organic semiconductor layer has an improved on/off ratio and excellent thermal stability. Also, a solution process can be applied in its manufacture.

Abstract: Disclosed is a composition for preparing an organic insulator, including an organic silane material, having a vinyl group, an acetylene group or an acryl group as a functional group for participating in a crosslinking reaction, a crosslinking agent, and a solvent for dissolving the above components. The organic insulator of example embodiments may be provided in the form of a solid insulating film, which may increase charge mobility while decreasing the threshold voltage and operating voltage of OTFTs, and which also may generate relatively slight hysteresis.

Abstract: Disclosed is an organic EL device exhibiting enhanced light-emitting efficiency and long-lived durability, and a lighting device and display device by use thereof.

Abstract: An organic photoelectric conversion element including and anode, a cathode, an active layer disposed between the anode and the cathode, and a functional layer disposed between the active layer and the anode so as to contact the anode, wherein the functional layer is formed by a coating method using a solution having a pH of 5 to 9, and the anode is formed by a coating method.

Abstract: An object of the present invention is to provide a conjugated polymer which has a high hole transportability and is excellent in solubility and depositability. Another object of the present invention is to provide an organic electroluminescence element which is capable of low voltage driving and has a high luminous efficiency and drive stability. The conjugated polymer of the present invention is a conjugated polymer containing a specific structure as the repeating unit, where the conjugated polymer contains an insolubilizing group as a substituent, the weight average molecular weight (Mw) is 20,000 or more and the dispersity (Mw/Mn) is 2.40 or less.

Abstract: Disclosed is an organic photoelectric conversion element having high photoelectric conversion efficiency and high durability. Also disclosed are a solar cell and an optical sensor array, each using the organic photoelectric conversion element The organic photoelectric conversion element comprises a bulk heterojunction layer wherein an n-type semiconductor material and a p-type semiconductor material are mixed. The organic photoelectric conversion element is characterized in that the n-type semiconductor material is a polymer compound and the p-type semiconductor material is a low-molecular-weight compound.

Abstract: A low-cost and efficient process producing improved organic electronic devices such as transistors that may be used in a variety of applications is described. The applications may include radio frequency identification (RFID) devices, displays and the like. In one embodiment, the improved process is implemented by flash annealing a substrate with an energy having wavelengths ranging from about 250 nm to about 1100 nm or higher. In this flash annealing process energy having wavelengths from about 250 nm to about 350 nm or higher is substantially prevented from irradiating the substrate.

Abstract: An organic electroluminescent element comprising: an organic laminate comprising at least an light emission layer formed via a wet process, the light emission layer comprising a host material and a guest material; and a pair of electrodes, wherein a solvent used for forming the light emission layer has a boiling point of 105° C. or less and a saturation vapor pressure at 20° C.

Abstract: A semiconducting liquid composition including a semiconducting material comprising a compound of the formula disclosed herein, a liquid vehicle, a solubility promoter that enhances solubility of the semiconducting polymer; and an optional crystallization inhibitor.

Abstract: Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltage, high luminance and long lifespan.

Abstract: It is an object of the present invention to obtain an organometallic complex that is capable of converting an excited triplet state into luminescence, a light-emitting element that can be driven for a long time, is high in luminous efficiency, and has a favorable long lifetime, and a light-emitting device using the light-emitting element. The present invention provides a light-emitting element that has a pair of electrodes (an anode and a cathode) and a light-emitting layer between a pair of electrodes, where the light-emitting layer includes an organometallic complex represented by the following general formula (5) and one of a compound that has a larger energy gap than the organometallic complex and a compound that has a larger ionization potential and a smaller electron affinity than the organometallic complex, and provides a light-emitting device using the light-emitting device.

Abstract: Provided is a molecular electronic device including an electrode including a conductive polymer electrode layer. The molecular electronic device includes a first electrode; a funtional molecular active layer, self-assembled on the first electrode, including an electroactive functional group having a cyclic compound; and a second electrode disposed on the functional molecular active layer. The second electrode includes a conductive polymer electrode layer contacting with the functional molecular active layer and a metal electrode layer disposed on the conductive polymer electrode layer. The conductive polymer electrode layer of the second electrode prevents damage to the functional molecular active layer, thereby preventing a short circuit in an ultra-thin molecular electronic device.

Abstract: Disclosed are a ferrocene-containing conductive polymer, an organic memory device using the conductive polymer and a method for fabricating the organic memory device. The conductive polymer may include a fluorenyl repeating unit, a thienyl repeating unit and a diarylferrocenyl repeating unit. The organic memory device may possess the advantages of rapid switching time, decreased operating voltage, decreased fabrication costs and increased reliability. Based on these advantages, the organic memory device may be used as a highly integrated, large-capacity memory device.

Abstract: There is provided a process for forming a contained second layer over a first layer, including the steps: forming the first layer having a first surface energy; treating the first layer with a priming layer; exposing the priming layer patternwise with radiation resulting in exposed areas and unexposed areas; developing the priming layer to effectively remove the priming layer from either the exposed areas or the unexposed areas resulting in a first layer having a pattern of priming layer, wherein the pattern of priming layer has a second surface energy that is higher than the first surface energy; and forming the second layer by liquid depositions on the pattern of priming layer on the first layer. There is also provided an organic electronic device made by the process.

Abstract: Disclosed is an organic electroluminescence element comprising at least an anode, a light-emitting layer, an intermediate layer and a cathode laminated sequentially in this order, wherein the intermediate layer comprises a salt of an acid of at least one metal selected from the group consisting of molybdenum, niobium, tantalum, titanium and metals belonging to Group IIb and sodium.

Abstract: Embodiments of the invention are directed to luminescent gold(III) compounds contains a bidentate ligand with at least one strong ?-donating group, a method of preparation of these compounds and the use of these compounds in organic light emitting devices. The gold(III) compounds have the chemical structure: wherein: X is a nitrogen atom; Y is selected from a carbon or a nitrogen atom; A-B is a substituted or unsubstituted cyclometalating ligand (for Y?C) or diimine ligand (for Y?N); where A and B are cyclic structure derivatives; R1 and R2 are optionally substituted carbon donor ligands attached to the gold atom, with the proviso that R1 and R2 are not —CH3, —CH2SiMe3, mesityl, pentafluorophenyl, —CH2C(O)R?, —CH(R)SO2CH(R)—, —C6H4N?NC6H5, and wherein R1 and R2 can optionally be combined into a bidentate ligand; and n is greater or equal to zero.

Abstract: This invention relates to the use of axial substituted phthalocyanine compound as a semiconductor layer between the source/drain electrodes of organic thin-film transistor. The centre ligand of the axial substituted phthalocyanine compound is an atom with 3 valences or higher, and the axial ligands are chlorine, fluorine, or oxygen which can be connected with the centre ligands of axial substituted phthalocyanine compounds. Crystalline Film with high quality can be prepared on an organic substrate from the axial substituted phthalocyanine compound using vapor deposition process. These crystalline films have high carrier mobility, rich energy level, and stable performances and are easy for integrated process. The field effect mobility and the on/off Ratio of the organic thin-film transistor are 0.01 cm2/Vs or more and higher than 105, respectively.

Abstract: There is provided a polymer or low-molecular-weight compound multilayer type organic EL device configured such that a light-emitting layer formed on a hole transport layer includes a mixture of a polymer material and a low-molecular weight material. With such a configuration, the low-molecular-weight material added to the polymer material serves as a binder filling the gap of the steric hindrance to form entanglement of the polymer material and the low-molecular-weight material. This results in that the interface between the hole transport layer and the light-emitting layer is an interface high in adhesion and also high in carrier injectability. Further, optimization of the formation conditions and materials can achieve still higher reliability and longer lifetime.

Abstract: A light emitting device (10) of the present invention includes: a back electrode (2) as a first electrode and a transparent electrode (3) as a second electrode facing each other, at least one of the back electrode and the transparent electrode having transparency to light; and luminescent particles (4) provided between the back electrode (2) and the transparent electrode (3) and connected electrically to the back electrode (2) and the transparent electrode (3). The back electrode (2) as the first electrode has recesses in a surface thereof facing the transparent electrode (3).

Abstract: Disclosed is a layered structure including a first electrode and a second electrode, a light-emitting layer or a charge separation layer between the first electrode and the second electrode, and a layer containing a conjugated polymer compound between the light-emitting layer or the charge separation layer and the first electrode, wherein the conjugated polymer compound contains a repeating unit selected from the group consisting of a repeating unit represented by formula (1): wherein Ar1 represents a divalent aromatic group, R1 represents a substituent group having a group represented by formula (2), Ar1 may have a substituent group other than R1, and n1 represents an integer of 1 or more; -(R2)c1-(Q1)n2-Y1(M1)a1(Z1)b1??(2) wherein R2 represents a divalent aromatic group which may have a substituent group, Q1 represents a divalent organic group which may have a substituent group, Y1 represents a carbocation, an ammonium cation, a phosphonyl cation or a sulfonyl cation, M1 represents F?, Cl?, Br?, I?,

Abstract: A copolymer comprising at least one donor monomer and at least one acceptor monomer is described. The polymer may optionally further comprise, consist or consist essentially of at least one additional comonomer. Various donor monomers, acceptor monomers and additional comonomers are also described. The polymer is useful in the manufacture of microelectronic devices such as optoelectronic devices.

Abstract: An organic semiconductor polymer, a transistor including an organic semiconductor polymer and methods of fabricating the same are provided, the organic semiconductor polymer including an aromatic or heteroaromatic main chain and at least one of a fluoro or a perfluoroalkyl at a polymer terminal end.

Abstract: An organic blue-light-emitting device having a high emission efficiency and a long continuous driving lifetime is provided. An organic light-emitting device 20 includes an anode 2, a cathode 5, and a stacked body which is interposed between the anode 2 and the cathode 5 and includes at least a layer which forms a light-emitting region (emission layer 6).

Abstract: Disclosed are new semiconductor materials prepared from naphthalene-imide copolymers. Such polymers can exhibit desirable electronic properties and can possess processing advantages including solution-processability and/or good stability at ambient conditions.

Abstract: An organic photoelectric converter having excellent photoelectric conversion efficiency can be produced by using a composition containing a polymer compound A having a repeating unit represented by formula (1) and a polymer compound B having a repeating unit represented by formula (2): wherein R2 and R2 respectively represent a hydrogen atom, a fluorine atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group or an arylalkylthio group, wherein R3 and R4 respectively represent a hydrogen atom, a fluorine atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group or an arylalkylthio group, and p represents an integer of 2 to 10.

Abstract: A monobenzochrysene derivative shown by the following formula (1): wherein R1 to R14 are independently a hydrogen atom or a substituent, and at least one of R1 to R14 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms which does not contain an anthracene skeleton and a benzo[g]chrysene skeleton or a substituted or unsubstituted heteroaryl group having 5 to 50 ring carbon atoms which does not contain an anthracene skeleton and a benzo[g]chrysene skeleton, excluding the case where R8 and R9 are unsubstituted phenyl groups and R1 to R7 and R10 to R14 are hydrogen atoms and the case where R9 is an unsubstituted phenyl group and R1 to R8 and R10 to R14 are hydrogen atoms.

Abstract: A nonvolatile organic bistable memory device includes a substrate, a lower electrode disposed on the substrate, a lower charge injection layer disposed on the lower electrode, an insulating polymer layer including nanoparticles disposed on the lower charge injection layer, an upper charge injection layer disposed on the insulating polymer layer, and an upper electrode disposed on the upper charge injection layer. The lower and upper charge injection layers each include fullerenes and/or carbon nanotubes.