Abstract: The present application relates to an electronic device comprising a heteroaromatic compound of a formula (I) as functional material, in particular as electron-transport material and as matrix material for emitter compounds.

Abstract: The present invention relates metal complexes and to electronic devices, particularly organic electroluminescent devices containing said metal complexes.

Abstract: An organometallic compound represented by Formula 1: wherein in Formula 1, M, L1, n1, n2, and R41 to R47 are described in the specification.

Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, X1 to X8, X11 to X18, Y11, and Z11 to Z14 are the same as described in the specification.

Abstract: According to one embodiment, a compound comprising a ligand LA of Formula I is described. In the structure of Formula I, A1 through A8 are independently carbon or nitrogen, with at least one being nitrogen; X1 is selected from the group consisting of O, S, and Se; X2 and X3 are independently selected from the group consisting of C, N, O, P, and S; ring A is a 5- or 6-membered heterocyclic ring bonded to ring B through a X2—C bond and bonded to M through a metal-carbene bond; any adjacent substitutions in R1 and R2 are optionally linked together to form a ring; the ligand LA is coordinated to a metal M; and the ligand LA is optionally linked with other ligands to comprise up to a hexadentate ligand. Formulations and devices, such as an OLEDs, that include the compound comprising ligand LA of formula I are also described.

Abstract: A polymer containing a repeating unit expressed by General Formula (I): where Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group; Ar2 and Ar3 independently represent a divalent group of a substituted or unsubstituted aromatic hydrocarbon group; and R1 and R2 each independently represent a hydrogen atom, substituted or unsubstituted alkyl group, or substituted or unsubstituted aromatic hydrocarbon group.

Abstract: The present invention relates to compounds of the formula (1) or (2) and to the use thereof in electronic devices, and to electronic devices which comprise these compounds. The invention furthermore relates to the preparation of the compounds of the formula (1) or (2) and to formulations comprising one or more compounds of the formula (1) or (2).

Abstract: Phosphorescent complexes are designed with intramolecular H-bonding properties to prevent deprotonation of neighboring molecules.

Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein in Formula 1, M, L1, L2, n1, and n2 are the same as described in the specification.

Abstract: An organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer and at least one organometallic compound of Formula 1. An organic light-emitting device including an organometallic compound of Formula 1 may have low driving voltage, high efficiency, and excellent color purity.

Abstract: Disclosed is an organic light emitting diode device including an anode and a cathode facing each other, an emission layer interposed between the anode and the cathode, and a first hole auxiliary layer interposed between the anode and the emission layer. The first hole auxiliary layer has a higher triplet energy (T1) than the emission layer.

Abstract: The present invention is related to a process for reducing surface energy of a hole transport layer. The disclosed process comprises providing a hole transport layer; and providing a fluorine-containing layer directly on said hole transport layer. The configuration of said fluorine-containing layer reduces the structural disorder of an active layer and is able to recover a moisture-degraded hole transport layer, and thereby improves the performance of an electric device containing the same.

Abstract: The present invention relates to compounds of the formula (1) and (2) which are suitable for use in electronic devices, in particular organic electroluminescent devices.

Abstract: Provided is an ink composition including the following components (A), (B), and (C). The component (A) is an anthracene derivative represented by the following formula (A1). The component (B) is an aromatic amine derivative represented by the following formula (B1) (in the formula (B1), one or more of Ar1 to Ar4 are a heterocyclic group represented by the following formula (B1?)). The component (C) is a solvent represented by the following formula (C1) and having a boiling point of 110° C. or higher and a solubility of 1 wt % or less in water.

Abstract: The present specification describes a novel polycyclic compound and an organic electroluminescent device using the same.

Abstract: A light-emitting element containing a fluorescent material and having high emission efficiency is provided. The light-emitting element contains the fluorescent material and a host material. The host material contains a first organic compound and a second organic compound. The first organic compound and the second organic compound can form an exciplex. The proportion of a delayed fluorescence component in light emitted from the exciplex is higher than or equal to 5%, and the delayed fluorescence component contains a delayed fluorescence component whose fluorescence lifetime is 10 ns or longer and 50 ?s or shorter.

Abstract: There is disclosed a compound having Formula I In Formula I: Ar1 and Ar3 are the same or different and are aryl groups; Ar2 and Ar4 are the same or different and are aryl groups; L is the same or different at each occurrence and can be H, D, halogen, aryl, arylamino, crosslinkable groups, deuterated aryl, deuterated arylamino, or deuterated crosslinkable groups; R1-R4 are the same or different and can be H, D, alkyl, alkoxy, aryl, aryloxy, silyl, deuterated alkyl, deuterated alkoxy, deuterated aryl, deuterated aryloxy, or deuterated silyl; R5-R8 are the same or different and can be D, F, alkyl, aryl, alkoxy, aryloxy, silyl, crosslinkable groups, deuterated alkyl, deuterated alkoxy, deuterated aryl, deuterated aryloxy, or deuterated silyl, where adjacent R5-R8 groups can be joined together to form an aromatic ring; a and b are the same or different and are an integer from 0-3; c and d are the same or different at each occurrence and are an integer from 0-4; m and q are the same or different and are an inte

Abstract: The invention relates to a process of preparing substituted pentacenes, to novel pentacenes prepared by this process, to the use of the novel pentacenes as semiconductors or charge transport materials in optical, electrooptical or electronic devices including field effect transistors (FETs), electroluminescent, photovoltaic and sensor devices, and to FETs and other semiconducting components or materials comprising the novel pentacenes.

Abstract: The present invention generally relates to composition and methods for upconverting light. In some embodiments, the composition and methods comprise an organic material, a nanocrystal, and a ligand capable of facilitating energy transfer between the nanocrystal and the organic material. In certain embodiments, the nanocrystal has a first excited energy state with an energy greater than a triplet state of the organic material. The organic material, in some embodiments, may be aromatic and/or include one or more pi-conjugated carbon-carbon double bonds. In some cases, incident light may be absorbed by the nanocrystal to produce triplet excitons. The triplet excitons may then transfer from the nanocrystal to the organic material and undergo triplet-triplet annihilation, creating a singlet state of approximately twice the energy of the triplet exciton. In certain embodiments, the singlet state fluoresces, resulting in the formation of a high energy photon.

Abstract: A light-emitting element containing a fluorescent material and having high emission efficiency is provided. The light-emitting element contains the fluorescent material and a host material. The host material contains a first organic compound and a second organic compound. The first organic compound and the second organic compound can form an exciplex. The minimum value of a distance between centroids of the fluorescent material and at least one of the first organic compound and the second organic compound is 0.7 nm or more and 5 nm or less.

Abstract: Arrangements and techniques for providing organic emissive layers are provided, in which the emissive layer includes a first dopant having a dissociative energy level. A second dopant in the emissive layer provides a solid state sink energy level, to which doubly excited excitons and/or polarons may transition instead of to the dissociative energy level, thereby decreasing the undesirable effects of transitions to the dissociative energy level.

Abstract: A light emitting device includes a base with a light transmissivity, a first light emitting element which has an electrode formed on only one surface, the electrode being connected to a conductor layer formed on the base, a second light emitting element which has an electrode formed on only one surface, the electrode being connected to the conductor layer formed on the base, and which emits light with a different color from a color of light emitted from the first light emitting element, and a resin layer that holds the first and second light emitting elements against the base.

Abstract: An organic electroluminescent material is shown in General Formula (1), wherein one of X1, X2, and X3 is an independent nitrogen atom, and R1 to R14 are each independently selected from the group consisting of a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a thioalkyl group, a silyl group, and an alkenyl group.

Abstract: The present invention discloses an “organic electronic material”, belonging to the organic light-emitting device (OLED) display materials field. The organic electronic material in the present invention has a structural formula (I). The OLED made by this kind of organic light-emitting material has the advantages of excellent light-emitting efficiency, excellent color purity and long service lifetime.

Abstract: The present application discloses an organic light emitting diode comprising a cathode; an anode; a plurality of light emitting layers connected in series between the cathode and the anode; and a charge generation layer between at least one pair of adjacent light emitting layers. At least one light emitting layer comprises a host layer having charge transport property.

Abstract: An organic light emitting device comprises a first and a second electrode, an organic light emitting layer disposed between the first and the second electrode, a hole injection layer adjacent to a first electrode, and a common layer disposed on the hole injection layer, wherein the common layer serves as a hole transporting layer and an electron blocking layer.

Abstract: The present invention discloses an “organic light-emitting device (OLED)”, comprising an anode, a cathode, and one or more organic layers, wherein the said organic layer contains at least one compound having the formula (I), and the said OLED has the advantages of excellent light-emitting efficiency, excellent color purity and long lifetime.

Abstract: An emissive construct comprising a fluorescent layer comprising a fluorescent host and a fluorescent dopant, wherein the fluorescent layer has a higher electron mobility than hole mobility; a first phosphorescent layer, comprising a first phosphorescent host and a first phosphorescent dopant, wherein the phosphorescent layer has a higher electron mobility than hole mobility; and an exciton blocking layer disposed between the fluorescent layer and the phosphorescent layer.

Abstract: A compound having a structure according to formula (I) is disclosed. In formula (I), Cu is a monovalent copper atom; *C is a carbene carbon; X1 and X2 are selected from alkyl, cycloalkyl, alkoxy, amino, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, heteroalkynyl, arylalkyl, aryloxy, aryl, heteroalkyl, heteroaryl, and combinations thereof; X1 and X2 are independently bonded to *C by an atom selected from C, N, O, S, and P; X1 and X2 are optionally joined to form a ring; and Y is selected halide, alkyl, cycloalkyl, alkoxy, amino, phosphine, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, heteroalkynyl, arylalkyl, aryloxy, aryl, heteroalkyl, heteroaryl, and combinations thereof. A formulation containing compound having a structure according to formula (I), and a device with an organic layer comprising disposed between an anode and a cathode, that includes a compound having a structure according to formula (I) are also described.

Abstract: A novel type of blue emitter is described based on the azaphenanthridine imidazole ligand. The preferred use of this moiety for generating blue phosphorescence is as part of a symmetric platinum tetradentate complex.

Abstract: A compound having a structure of Formula M(LA)x(LB)y(LC)z, where ligand LA is ligand LB is and ligand LC is is disclosed. In Formula M(LA)x(LB)y(LC)z, M is a metal having an atomic number greater than 40; x is 1, 2, or 3; y and z are 0, 1, or 2; x+y+z is the oxidation state of metal M; Z1-Z6 are each C or N; ZD is N or a carbene carbon; rings C and D are independently a 5 or 6-membered carbocyclic or heterocyclic ring; R4 is substituted, while each of R1, R2, R3, RC, RD, R11, R12, and R13 are selected from hydrogen and a variety of moieties; and any adjacent substituents of R1, R2, R3, R4, RC, RD, R11, R12, and R13 are optionally joined to form a ring. Formulations and devices, such as an OLEDs, that include the compound of formula M(LA)x(LB)y(LC)z are also described.

Abstract: An electrophoretic medium comprises an electrophoretic layer, a layer of lamination adhesive and a polymeric layer disposed between the electrophoretic layer and the lamination adhesive layer, the polymeric layer being impermeable to the fluid. A second form of electrophoretic medium has a layer of a complex of an alkali metal and a polymer in contact with the electrophoretic layer. A third form of electrophoretic medium comprises a plurality of discrete droplets of internal phase in a binder, and further comprises a salt.

Abstract: An anthracene derivative represented by a general formula (1) and an organic compound represented by a general formula (8) are provided. Further, by use of the anthracene derivative represented by the general formula (1), a light-emitting element with high emission efficiency can be obtained. Furthermore, by use of the anthracene derivative represented by the general formula (1), a light-emitting element that emits blue light with high color purity can be obtained.

Abstract: An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has small changes in the chromaticity and in the driving voltage even after driving for a long period of time: wherein R1 to R6; Q1 and Q2; X1, X2, X3 and X4 are as defined herein.

Abstract: An organic light-emitting diode (OLED) includes a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes a compound represented by one of Formula 1 or Formula 2, and a metallic complex.

Abstract: In one aspect of the present invention, a method for sorting nanoparticles includes preparing a high-viscosity density gradient medium filled in a container, dispersing nanoparticles into an aqueous solution to form a suspension of the nanoparticles, each nanoparticle having one or more cores and a shell encapsulating the one or more cores, layering the suspension of the nanoparticles on the top of the high-viscosity density gradient medium in the container, and centrifugating the layered suspension of the nanoparticles on the top of the high-viscosity density gradient medium in the container at a predetermined speed for a predetermined period of time to form a gradient of fractions of the nanoparticles along the container, where each fraction comprises nanoparticles in a respective one of aggregation states of the nanoparticles.

Abstract: There is provided a compound having Formula I In the formula: Ar can be phenyl, biphenyl, or terphenyl, and can optionally have one or more substituents which can be D, alkyl, silyl, deuterated alkyl, or deuterated silyl; R1 can be alkyl, silyl, aryl, heteroaryl, deuterated alkyl, deuterated silyl, deuterated aryl, or deuterated heteroaryl; R2-R11 are the same or different and can be H, D, alkyl, silyl, deuterated alkyl, or deuterated silyl.

Abstract: Devices comprising an organic light emitting device are provided. The devices can include an anode; a cathode; and an organic layer, disposed between the anode and the cathode. The organic layer comprising at least one host material comprising a phosphorescent complex comprising novel phosphorescent trigonal copper carbene complexes. The complex comprise a carbene ligand coordinated to a three coordinate copper atom. The complex may be used in organic light emitting devices. In particular, the complexes may be especially useful in OLEDs used for lighting applications.

Abstract: Embodiments relate to an advanced fast and thermal neutron detector material composition with the properties useful for Special Nuclear Material (SNM) detection. Specific embodiments of the material composition result in two excimer scintillation light production mechanisms that provide two corresponding independent techniques for gamma discrimination; namely Pulse Shape Discrimination and Pulse Height Discrimination. A dual discrimination method, Pulse Shape and Pulse Height Discrimination (PSHD), can be implemented relying on both pulse height discrimination and pulse shape discrimination, and can allow the operation of large area, fast and thermal neutron detectors.

Abstract: Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I): including stereoisomers, salts and tautomers thereof, wherein R1, R2, R3, L1, L2, L3, L4, L5, L6, M1, M2, A, q, w and n are as defined herein. Methods associated with preparation and use of such compounds are also provided.

Abstract: An ink composition is provided, a method of metalizing a surface of an insulation substrate and an article obtainable by the method are also provided. The ink composition may comprise a metal compound and an ink vehicle, the metal compound is at least one selected from a group consisting of a compound of formula I and a compound of formula II, TiO2-? (I), M1M2pOq (II), 0.05??<1.8, M1 is at least one element selected from a group consisting of groups 2, 9-12 of the periodic table according to IUPAC nomenclature, M2 is at least one element selected from a group consisting of groups 3-8, 10 and 13 of the periodic table according to IUPAC nomenclature, and 0<p?2, and 0<q<4.

Abstract: The invention relates to Eu2+-activated phosphors, to a process of its preparation, the use of these phosphors in electronic and electro optical devices, such as light emitting diodes (LEDs) and solar cells and especially to illumination units comprising said magnesium alumosilicate-based phosphors.

Abstract: A process for producing small hollow, gas-filled shells called plasma-shells filled with an ionizable gas at a predetermined pressure for use in a gas discharge device such as a plasma display panel (PDP) device to create an enclosed pixel or cell structure.

Abstract: A compound for an organic optoelectronic device, an organic light emitting diode including the compound, and a display device including the organic light emitting diode are provided and the compound in which moieties represented by Chemical Formulae I and II that are sequentially linked is provided and thus, the organic light emitting diode has excellent life-span characteristics due to excellent electrochemical and thermal stability and high luminous efficiency at a low driving voltage.

Abstract: A method for the synthesis and use of transparent bulk conjugated polymers prepared from liquid monomers via bulk polymerization. The liquid monomer contains pi-electron conjugated moieties and polymerizable moieties. The monomer solution may also have functionalizing additives such as a luminescence additive that includes organic dyes, luminescent molecules, fluorescent compounds, phosphorescent compounds, and luminescent quantum dots. The monomer solution may also have sensitizing additives such as high-energy photo sensitizing compounds, nanoparticles of compounds containing atoms with atomic numbers greater than 52 and neutron sensitizing additives. The monomer solution is polymerized by heating to an elevated temperature with or without addition of an initiator. Alternatively, the monomer is polymerized by photo-induced polymerization. A photoinitiator may be employed to initiate the photopolymerization. Scintillation materials with significant light yields are illustrated.

Abstract: A high efficient white emission light emitting element having peak intensity in each wavelength region of red, green, and blue is provided. Specifically, a white emission light emitting element having an emission spectrum that is independent of current density is provided. A first light emitting layer 312 exhibiting blue emission and a second light emitting layer 313 containing a phosphorescent material that generates simultaneously phosphorescent emission and excimer emission are combined. In order to derive excimer emission from the phosphorescent material, it is effective to disperse a phosphorescent material 323 having a high planarity structure such as platinum complex at a high concentration of at least 10 wt % to a host material 322. Further, the first light emitting layer 312 is provided to be in contact with the second light emitting layer 313 at the side of an anode. Ionization potential of the second light emitting layer 313 is preferably larger by 0.

Abstract: This invention is directed to perylene-diimide aromatic dianion compounds, process of preparation and uses thereof. The perylene-diimide aromatic dianion compounds of this invention are stable in aqueous solution and can be used for photofunctional and electron transfer systems in aqueous phase. This invention is also directed to supramolecular polymers derived from perylene-diimide compounds and mixtures thereof, and to uses thereof.

Abstract: The present invention relates to compounds of formula (I) based on DPP moiety being useful as metal-free organic sensitizers or dyes of type D-?-A in electrochemical or optoelectronic devices, their use as sensitizer or dye and an electrochemical or optoelectronic device comprising a compound of the invention.

Abstract: Disclosed is an organic electroluminescent element having high luminous efficiency and long life. Also disclosed are a display device and an illuminating device respectively using such an organic electroluminescent element. Specifically disclosed is an organic electroluminescent element comprising an electrode and at least one or more organic layers on a substrate. This organic electroluminescent element is characterized in that at least one of the organic layers is a light-emitting layer containing a phosphorescent compound and a host compound, the phosphorescent compound has a HOMO of ?5.15 to ?3.50 eV and a LUMO of from ?1.25 to +1.00 eV, and the host compound has a 0-0 band of the phosphorescence spectrum at not more than 460 nm and a glass transition temperature of not less than 60° C.

Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein in Formula 1, M, L1, L2, n1, and n2 are the same as described in the specification.