Abstract: The present invention includes novel transition metal complexes with 1,2,4-triazine derivatives as ligands. The materials may be useful as emitter materials in organic electroluminescence device to improve the performance.

Abstract: The present invention relates to an organic electroluminescent material, an organic electroluminescent device, and a method for preparing the organic electroluminescent device. Due to comprising an organic compound A with 3.0 eV>ET?2.0 eV and a compound B of M(LA)x(LB)y(LC)z, the organic electroluminescent material of the present invention has the advantages of an increased luminescence lifetime and/or a reduced operating voltage on the basis of maintaining other electronic properties at a certain level.

Abstract: A light emitting device including a semiconductor nanocrystal and a ligand bound to a surface of the semiconductor nanocrystal, wherein the ligand includes an organic thiol ligand or a salt thereof and a polyvalent metal compound including a metal including Zn, In, Ga, Mg, Ca, Sc, Sn, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Sr, Y, Zr, Nb, Mo, Cd, Ba, Au, Hg, Tl, or a combination thereof, and a display device including the light emitting device.

Abstract: The present disclosure provides a light-emitting layer, an organic light emitting diode (OLED) device, and a display apparatus. The light-emitting layer has a host material containing a first photocrosslinker group. A guest material containing a second photocrosslinker group is prepared. The host material and the guest material are mixed in a solvent to form a mixture. The mixture is coated, annealed, and UV-irradiated on a substrate to form the light-emitting layer. As such, the disclosed light-emitting layer is prepared by the polymerization after being on the substrate. The light-emitting layer has a mesh structure. The mesh structure improves energy transfer between the host material and guest material and increases the lifespan of the resultant OLED device and OLED display apparatus.

Abstract: The invention relates to a method for counting cells, such as bacteria and/or somatic cells in liquid samples, such as in dairy products, preferably raw milk. Disclosed is a method comprising a combination of steps that apply dimeric nucleic acid dyes that normally do not penetrate cells (=cell-impermeant dyes), which are rendered cell-permeant by using the right combination of pH, buffer and temperature.

Abstract: A hardmask composition, a hardmask layer, and a method of forming patterns, the composition including a solvent; and a compound represented by Chemical Formula 1, wherein, in Chemical Formula 1, A is a C6 to C30 aromatic moiety, n is an integer of 2 or more, and each B is independently a group represented by Chemical Formula 2,

Abstract: An organic compound, an organic light emitting diode including the compound, and an organic light emitting device including the organic light emitting diode are disclosed. The organic compound may include a fused hetero aromatic moiety having a p-type property and an aza-acridine moiety having an n-type property bonded to the fused hetero aromatic moiety via an aromatic or a hetero aromatic linker. The organic compound has relatively high energy level since it includes plural fused hetero aromatic rings. Holes and electrons can be recombined in an emitting material layer in a balanced manner since the organic compound has a bipolar property. The organic light emitting diode and the organic light emitting device including the organic compound have enhanced luminous efficiency and luminous lifetime.

Abstract: An organic light emitting material, a preparation method thereof, and an organic light emitting device are provided. The organic light emitting material includes oxadiazole-p-benzodioxazoles. The oxadiazole-p-benzodioxazoles has a large ?-conjugated system, that is, it has good planarity and strong visible ?-?* absorption. Also, it has high fluorescence quantum yield. Therefore, the oxadiazole-p-benzodioxazoles with a large ?-conjugated system has a high-efficiency electron transport property, and it has a high-efficiency electron-withdrawing group to increase electron transport efficiency and improves its luminous efficiency.

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: and an organic light emitting device including the same.

Abstract: The present invention belongs to the technical field of material fabrication, and particularly relates to an ultra-sensitive glucose sensor based on a graphene and carbon fiber substrate and a fabrication method thereof. The method includes fabricating a carbon fiber cloth with vertical graphene growth on a surface thereof, performing pretreatment to make the carbon fiber cloth hydrophilic, directly soaking the carbon fiber cloth in a PBS solution of glucose oxidase with the pH of 7.4, and then taking out and drying the carbon fiber cloth at room temperature to obtain a glucose sensor. According to the present invention, the lower limit of glucose detection reaches about 0.1 mM, and the glucose sensor also has multistage corresponding characteristics, so that different detection coefficients and capabilities can be achieved in different glucose concentration ranges. The application range and precision of the glucose sensor are greatly improved.

Abstract: There is provided a compound which provides a semiconductor material. The compound is represented by General Formula (1) wherein Ar represents an aryl group which may have a substituent or a heteroaryl group which may have a substituent, and R1 represents an acyclic alkyl group having 1 to 20 carbon atoms wherein hydrogen atom in the alkyl group may be replaced by a halogeno group, a nitrile group or an aryl group, and —CH2— in the alkyl group may be replaced by —O—, —R?C?CR?—, —CO—, —OCO—, —COO—, —S—, —SO2—, —SO—, —NH—, —NR?— or —C?C— provided that, with respect to each of an oxygen atom, a sulfur atom and a nitrogen atom, the same atoms are not directly bonded to each other, wherein R? represents an acyclic or cyclic alkyl group having 1 to 20 carbon atoms.

Abstract: An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a hole transport region, an emission layer, an electron transport region, and a second electrode, in which the emission layer includes a polycyclic compound represented by Formula 1, thereby achieving improved emission efficiency:

Abstract: A composition of matter that includes a novel combination of host compounds containing indol-fused hosts and emissive dopants containing benzofuran or azabenzofuran ligand is disclosed,

Abstract: The present disclosure relates to organic electrolyte solutions including organic electrolytes (e.g., aromatic imides, ferrocenes, spiro fused compounds, or cyclopropenium compounds), and redox flow batteries and systems including the same.

Abstract: Provided is a PSA sheet highly durable against repeated deformation and suited for use in a flexible device as well. The PSA sheet provided by this invention comprises a PSA layer. The PSA sheet shows a recovery rate at 100% elongation of 70% or higher. The PSA layer shows a displacement of 0.5 mm or greater according to the following holding power test: <Holding Power Test> At 23° C., the PSA layer is applied over a 10 mm wide by 20 mm long bonding area to a Bakelite plate as an adherend; a 1 kg load is applied in the length direction; after one hour, the displacement from the initial position where first applied is determined.

Abstract: The present invention relates to processes for separating mixtures containing enantiomers of metal complexes with aromatic and/or heteroaromatic ligands, to metal complexes and to electronic devices, especially organic electroluminescent devices, comprising these metal complexes.

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

Abstract: Phosphor, a preparation method for the phosphor, and a light emitting device having the phosphor. The phosphor comprises an inorganic compound which at least comprises an element M, an element A, an element D, and an element R; the element M is one or two elements selected from the group consisting of Lu, La, Pr, Nd, Sm, Y, Tb, and Gd and must comprise Lu; the element A is Si and/or Ge; the element D is one or two elements selected from the group consisting of O, N, and F and must comprise N; the element R is Ce and/or Dy. Since the ionic radius of Lu3+ is smaller than that of La3+, when the inorganic compound comprises element Lu, the original ligand site would be contracted. In order to reduce lattice distortion due to the ligand site contraction, the adjacent ligand site expands, and the photochromic property is adjusted.

Abstract: An object of the present invention is to provide a wavelength conversion luminescent resin composition that exhibits a high quantum yield, a wavelength conversion member, and a light-emitting element; as well as a method for producing the wavelength conversion luminescent resin composition that exhibits a high quantum yield. The present invention provides a wavelength conversion luminescent resin composition that contains at least one compound represented by Formula (1) and a resin. The substituents in the formula are as defined in the present specification.

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: This organic EL element has two blue light emitting units, and has, in the emission spectrum thereof, one or two peak wavelengths in a blue light wavelength range of 440 nm-490 nm. In this organic EL element, the correlated color temperature of white light is 3300K or greater, R6 is 60 or greater, and R12 is 30 or greater.

Abstract: Provided are a compound including nitrogen, represented by Formula 1, and an organic electroluminescence device including the same. In Formula 1, A1 to A10 are each independently CR3 or N. The organic electroluminescence device may include a first electrode, a second electrode which is opposite to the first electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein the plurality of organic layers include an emission layer, and at least one organic layer among the organic layers includes the compound including nitrogen.

Abstract: Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I): or a stereoisomer, tautomer or salt thereof, wherein R1, R2, R3, R4, R5, L1, L2, L3, L4, M, m and n are as defined herein. Methods associated with preparation and use of such compounds are also provided.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. An organic electroluminescent device having a low driving voltage, a high luminous efficiency and/or excellent color coordinates can be provided by comprising the organic electroluminescent compound according to the present disclosure.

Abstract: A light-emitting element having high external quantum efficiency is provided. A light-emitting element having low drive voltage is provided. Provided is a light-emitting element which includes a light-emitting layer containing a phosphorescent compound, a first organic compound, and a second organic compound between a pair of electrodes. A combination of the first organic compound and the second organic compound forms an exciplex (excited complex). An emission spectrum of the exciplex overlaps with an absorption band located on the longest wavelength side of an absorption spectrum of the phosphorescent compound. A peak wavelength of the emission spectrum of the exciplex is longer than or equal to a peak wavelength of the absorption band located on the longest wavelength side of the absorption spectrum of the phosphorescent compound.

Abstract: Disclosed are an organometallic complex comprising a new six-membered N-heterocyclic ligand, and an application thereof in an organic electronic device, especially in a phosphorescent organic light-emitting diode. The present invention further relates to an organic electronic device comprising the organometallic complex according to the present invention, especially an organic light-emitting diode, and an application thereof in display and illumination technology. In the present invention, the device structure is optimized and the concentration of the metal complex in the substrate is changed, so that the device achieves the optimal performance, and an OLED device having high efficiency, high luminance and high stability is achieved, thereby providing a better choice of materials for full-colour display and illumination application.

Abstract: Combined lanthanide metal (Ln(III))—coordination complex fluorescence can provide a versatile molecular platform for design of white-light-emitting materials with advanced multistimuli-responsive properties. Red, green and blue light emitting Ln(III) complexes can be combined in solution or in a polymer complex to achieve white luminescent materials responsive to various external stimuli (e.g. solvent polarity, temperature, pH, anion competition and mechanical stimuli).

Abstract: The present invention relates to a luminescent rare earth compound and dichroism fluorescent composition thereof, and more particularly, the luminescent rare earth compound is a luminescent rare earth compound excited by shortwave UV (Ultra-Violet). The luminescent rare earth compound and/or products applied with the luminescent rare earth compound according to the present invention can emit strong red and green colors by being excited at 240-330 nm range of wavelengths, while not being excited at 360-380 nm range of wavelengths, and showing no colors under visible light. Furthermore, the compound may be variably utilized to printed materials and plastic mold products because of possessing high heat resistance, high light resistance and high dispersibility of medium light.

Abstract: The present invention relates to a formulation containing at least one organic functional material and at least two different organic solvents, a first organic solvent A and a second organic solvent B, wherein the first organic solvent A has a boiling point in the range from 250 to 350° C. and a viscosity of >15 mPas, the second organic solvent B has a boiling point in the range from 200 to 350° C. and a viscosity of ?10 mPas, the solubility of the at least one organic functional material in the second organic solvent B is ?5 g/l, and the boiling point of the first organic solvent A is at least 10° C. higher than the boiling point of the second organic solvent B; as well as to electroluminescent devices prepared by using these formulations.

Abstract: A compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device including the same are disclosed: In Chemical Formula 1, each substituent is the same as described in the detailed description.

Abstract: The present invention relates inter alia to organic compounds, compositions, formulations and electronic devices.

Abstract: A cooperative vehicle-highway communication system allows vehicles and pedestrians to determine their location by sensing selected coatings on roadways, sidewalks, and other paved surfaces in both indoor and outdoor environments. The systems recognize intelligent materials under sensors to determine geo-location. The intelligent materials are incorporated into paints on the roadway surface to mark key locations. Additionally, vehicles recognize highway paint/markings and signs with intelligent paint that provide specialized message content to support driver information and control applications. The intelligent paint materials include a coating that absorbs light while converting the absorbed light to electromagnetic energy. This electromagnetic energy is read by sensors to recognize the materials.

Abstract: The present invention relates to formulations comprising at least one organic semiconductor and at least one organic solvent, characterized in that the formulation contains less than 10,000 particles per liter formulation having an average size in the range from 0.1 to 20 ?m, to their use for the preparation of electronic devices, to methods for preparing electronic devices using the formulations of the present invention, and to electronic devices prepared from such methods and formulations.

Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one layer of organic layers including a light emitting layer, disposed between the electrodes, in which at least one of the organic layers contains a compound represented by the following general formula: (R1 to R18 each independently represent a hydrogen atom or a substituent, and at least one of R1 to R8 and R10 to R17 represents -L-NR19R20 (R19 and R20 each independently represent any of an alkyl group, an aryl group, a heteroaryl group. R19 and R20 may be combined to each other to form a ring. L represents a single bond or a divalent linking group). X1 to X18 each independently represent a carbon atom or a nitrogen atom, and when X1 to X18 represent nitrogen atoms, R1 to R18 for bonding do not present.

Abstract: A novel light-emitting element is provided. Alternatively, a novel light-emitting element which can achieve both high efficiency and a long lifetime is provided. The light-emitting element includes a light-emitting layer between a pair of electrodes. The light-emitting element includes a first light-emitting layer and a second light-emitting layer. The first light-emitting layer includes a fluorescent material. The second light-emitting layer includes a phosphorescent material. A difference in peak value between a first emission spectrum of light from the first light-emitting layer and a second emission spectrum of light from the second light-emitting layer is 30 nm or less.

Abstract: An object is to provide a novel organometallic complex. Another object is to provide an organometallic complex that can exhibit yellow to blue phosphorescence. A platinum complex with a tetracoordinate ligand including a phenothiazine skeleton or a phenoxazine skeleton is provided. In the ligand, nitrogen at the 10-position and carbon at the 2-position of the phenothiazine skeleton or the phenoxazine skeleton have a pyridyl group and a phenoxy group, respectively. A five-membered heteroaromatic residue is present at the 3-position of the phenoxy group. The five-membered heteroaromatic residue has two or three nitrogen atoms in its skeleton. Carbon at the 1-position of the phenothiazine skeleton or the phenoxazine skeleton and carbon at the 2-position of the phenoxy group are bonded to platinum, and nitrogen of the pyridyl group and nitrogen or carbene carbon of the five-membered heteroaromatic residue are coordinated to platinum.

Abstract: The invention relates to electrically doped semiconducting material comprising iii) at least one electrical dopant selected from metal salts consisting of at least one metal cation and at least one anion and iv) at least one matrix compound of formula 1 wherein each of R1, R2, R1, R2? is independently selected from H, C1-C6 alkyl, C1-C6 haloalkyl and C6-C14 aryl or both substituents on the same aromatic ring of the xanthene skeleton are hydrocarbyl groups linked with each other to form together an anelated divalent C2-C10 hydrocarbyl group and A and A? are independently selected from C1-C20 heteroaryl group comprising at least one sp2 hybridized nitrogen atom as well as an electronic device and a compound.

Abstract: The present invention relates to compositions comprising at least one polymer containing repeat triarylamine units and comprising at least one salt, to processes for production thereof and to the use thereof in electronic devices, especially in organic electroluminescent devices, called OLEDs (OLED=organic light-emitting diodes). The present invention also further relates to organic electroluminescent devices comprising these compositions.

Abstract: Provided is an organic electroluminescence device material, which, in its production, is free from formation of impurities that worsen the performance of organic EL devices, which, in forming an upper layer by coating, does not cause dissolution mixing or swelling mixing, which forms a film of good quality and which contributes toward improving the performance (high durability, and low driving voltage) of organic EL devices.

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: Provided are an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple construction, and a material for an organic EL device to be used in the device. The material for an organic EL device includes a carborane compound represented by the general formula (1), and the carborane compound has a structure in which a six-membered ring group containing at least two nitrogen atoms is bonded to a carborane ring. The material for an organic EL device is suitable as a host material for a light-emitting layer containing a phosphorescent light-emitting dopant and the host material, or as a material for a hole-blocking layer. In the formula, rings A's each represent a divalent carborane group represented by the formula (1a) or the formula (1b), and two or more of X's each represent N.

Abstract: A color conversion composition converting incident light to light having a longer wavelength than the incident light, and containing the following components (A)-(C): (A) at least one luminescent material; (B) a binder resin; and (C) at least one of tertiary amines, catechol derivatives and nickel compounds, in which the tertiary amines, the catechol derivatives and the nickel compounds have a molar extinction coefficient ? of 100 or less over the whole wavelength range from 400 nm to 800 nm is provided. This color conversion composition achieves a good balance between improvement of color reproducibility and durability if used for a liquid crystal display or an LED lighting device.

Abstract: An organic light-emitting device and an electronic device, the organic light-emitting device including 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 including an emission layer, wherein the emission layer includes a first host, a second host, and a dopant, the first host includes a compound represented by Formula 1, and the second host includes a compound represented by Formula 2:

Abstract: A novel light-emitting element is provided. Alternatively, a novel light-emitting element which can achieve both high efficiency and a long lifetime is provided. The light-emitting element includes a light-emitting layer between a pair of electrodes. The light-emitting element includes a first light-emitting layer and a second light-emitting layer. The first light-emitting layer includes a fluorescent material. The second light-emitting layer includes a phosphorescent material. A difference in peak value between a first emission spectrum of light from the first light-emitting layer and a second emission spectrum of light from the second light-emitting layer is 30 nm or less.

Abstract: Described herein are novel azo-benzene type chromophores. The chromophores are useful in photochromic compositions comprising a polymer matrix and a chromophore, wherein the chromophore is a novel azo-benzene type structure. The photochromic composition is photoresponsive upon irradiation by at least one wavelength of laser light across the visible light spectrum. Photochromic devices which comprise the novel azo-benzene type chromophore compound show significantly higher photoinduced birefringence, higher diffraction efficiency, and brighter images than devices that comprise well known azo-benzene chromophores. The photochromic composition may include a liquid crystal.

Abstract: An organometallic compound represented by Formulae 1, 2, or 3 below: wherein in Formulae 1, 2, and 3, groups and variables are the same as in the specification.

Abstract: Provided is a hybridized perovskite quantum dot material. The quantum dot material includes a kernel and surface ligands. The kernel is formed by R1NH3AB3 or (R2NH3)2AB4, where R1 is methyl group, R2 is an organic molecular group, A is at least one selected from Ge, Sn, Pb, Sb, Bi, Cu and Mn, B is at least one selected from Cl, Br and I, A and B form a coordination octahedral structure, and R1NH3 or R2NH3 is filled in gaps of the coordination octahedral structure. The surface ligand is an organic acid or organic amine. The quantum dot material has a high fluorescence quantum yield.

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer (EML) between the first electrode and the second electrode; a hole transport region between the first electrode and the EML; an electron transport layer (ETL) between the EML and the second electrode, and including a first electron transport material; a first buffer layer between the EML and the ETL, and including a first buffer material; and a second buffer layer between the first buffer layer and the ETL, and including a second buffer material and a second electron transport material, wherein the first buffer material and the second buffer material are each independently selected from compounds represented by Formula 1 below, and the first buffer layer does not include an electron transport material:

Abstract: An embodiment of the present invention discloses an organic light emitting diode comprising an organic layer consisting of one layer or more, which includes a transparent electrode, a reflective electrode provided facing the transparent elector, and a light emitting layer provided between the transparent electrode and the reflective electrode. Here, the light emitting layer includes two or more light emitting materials and is characterized in that the difference between the dipole moment value of one light emitting material and the dipole moment value of another light emitting material from among the light emitting materials is 1.5 Debye or more.

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.