Abstract: A material for an organic electroluminescence device including an indenofluorenedione derivative shown by the following formula (I): wherein X1 and X2, which may be the same or different, are any of specific divalent groups; R1 to R10, which may be the same or different, are a hydrogen atom, an alkyl group, an aryl group, a heterocycle, a halogen atom, a fluoroalkyl group, an alkoxy group, an aryloxy group or a cyano group; and R3 to R6 or R7 to R10 may be bonded to each other to form a ring.

Abstract: A white-light-emitting tandem OLED device having spaced anode and cathode including: first and second light-emitting units disposed between the anode and cathode; an intermediate connector including an n-type layer and a p-type layer disposed between the first and second light-emitting units; and a fluoranthene-containing electron-transporting layer adjacent to the n-type layer of the intermediate connector and including at least 25% of a 7,10-diaryl-substituted fluoranthene compound having no aromatic rings annulated to the fluoranthene nucleus.

Abstract: To provide a high-performance organic light emitting device and a novel compound possessed by the device. Provided are a novel fluoranthene derivative and an organic light emitting compound having the derivative.

Abstract: A quinoxaline derivative represented by Formula (I) or (II) is provided. In Formula (I) or (II), R1 and R2 are, independently, hydrogen, halogen, methyl, ethyl, propyl, butyl, aryl or heteroaryl, for example phenyl, furyl, thienyl, pyridyl, pyrimidyl, benzothiazolyl or benzoimidazolyl. An organic light-emitting diode including the quinoxaline derivative is also provided.

Abstract: Provided is an organic light emitting diode including: a first electrode; a second electrode; an organic layer between the first electrode and the second electrode; and a luminous efficiency improvement layer disposed on a surface of the first electrode facing away from the organic layer or a surface of the second electrode facing away from the organic layer, wherein the luminous efficiency improvement layer includes a porphyrazin derivative, a phthalocyanine derivative, a naphthalocyanine derivative, or a combination of at least two compounds of the foregoing.

Abstract: A compound having the following structure as at least a part thereof: wherein FA and FA? are independently a substituted or unsubstituted hydrocarbon aromatic ring or hetero atom-containing aromatic ring, and at least one of FA and FA? is the hetero atom-containing aromatic ring.

Abstract: Some embodiments provide a compound represented by Formula 2B: wherein Ph1 and Ph2 are independently optionally substituted 1,4-interphenylene or optionally substituted 1,3-interphenylene, y may be 0 or 1, and z may be 0 or 1. In some embodiments, R9 and R10 are independently H, C1-3 alkyl, or C1-3 perfluoroalkyl. In some embodiments, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, and R22 are independently selected from the group consisting of H, C1-12 alkyl, C1-6F1-13 fluoroalkyl, and optionally substituted phenyl. Other embodiments provide an organic light-emitting diode device comprising a compound of Formula 2B.

Abstract: This invention relates to electroluminescent 4,9-di-substituted pyrenes that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a pyrene composition.

Abstract: The present invention relates to an organic light-emitting diode which has a light-emitting layer C which comprises at least one hole-conducting material CA and at least one phosphorescence emitter CB, to mixtures comprising at least one carbene complex in combination with at least one hole-conducting material or in combination with at least one phosphorescence emitter, and to the use of mixtures comprising at least one hole-conducting material and at least one phosphorescence emitter as a light-emitting layer in OLEDs for prolonging the lifetime of the light-emitting layer.

Abstract: An organic device including at least two electrodes; at least one organic active layer, wherein the organic active layer is disposed in between two electrodes; and an electrode modification layer, wherein the electrode modification layer is disposed in between two electrodes and in contact with one of the electrodes; and the electrode modification layer includes a fluorocarbon compound selected from the materials having a chemical structure of (CxFy)n, wherein the “x”, “y”, and “n” are integers, and wherein 1<x?70, 1<y?50, and n?1.

Abstract: Provided is an organic electroluminescent device for emitting blue light, which has high luminous efficiency and good drive durability. This organic electroluminescent device for emitting blue light includes an anode 2, a cathode 6, and a layer which contains an organic compound interposed between the anode 2 and the cathode 6, the layer which contains an organic compound including at least a light-emitting layer 4, wherein the light-emitting layer 4 contains a bipolar host having a hole mobility and an electron mobility of 10?4 cm2/Vs or greater, a light-emitting dopant and a carrier trapping dopant, and the light-emitting dopant energy gap EgB, the bipolar host energy gap Egh, and the carrier trapping dopant energy gap Egd are such that Egd>Egh>EgB.

Abstract: Disclosed is a compound represented by the following Formula 1: The compound exhibits improved solubility and thermal stability in an organic light emitting device. An organic light emitting device including the compound, improves the driving voltage, the emission efficiency, and the color purity of an organic light emitting display.

Abstract: A chrysene derivative shown by the following formula: wherein R1 to R10 and R21 to R25 are independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 ring carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 20 carbon atoms, a substituted or unsubstituted arylsilyl group having 8 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, provided that at least one of R21 to R25 is a substituted or unsubstituted fused aromatic ring group having 10 to 20 ring carbon atoms or a substituted or unsubstituted fluorenyl group.

Abstract: The object of the present invention is to provide a material that has a high excitation energy, in particular, a high triplet excitation energy. Furthermore, another object of the present invention is to provide a material than can be easily synthesized and that has low crystallinity. In addition, another object of the present invention is to provide a light-emitting element that has high luminous efficacy and high reliability by application of this material to the light-emitting element. An oxadiazole derivative represented by the General Formula (G1) given below is synthesized and applied to a light-emitting element. (R1 to R7 each represent either hydrogen or an alkyl group with from 1 to 4 carbon atoms).

Abstract: An electroluminescent device including a cathode, an anode, and having therebetween a light-emitting layer including a boron complex represented by Formula (I), wherein: X represents hydrogen or a substituent; V1 through V8 represent hydrogen or an independently selected substituent, provided that adjacent substituents cannot join together to form an aromatic ring group and provided at least one of V2 and V3 represents a substituent; L1 and L2 represent independently selected substituents; and an anthracene compound containing an anthracene nucleus substituted in the 9- and 10-positions with independently selected aryl groups containing from 6 to 24 carbon atoms, and wherein the anthracene nucleus can be further substituted provided the anthracene nucleus does not contain an aromatic substituent in positions 1-8.

Abstract: An organic light emitting display device that can reach the optimum light emitting efficiency of each pixel while operating at a low voltage. The organic light emitting display device includes a first pixel region emitting a first color, a second pixel region emitting a second color different from the first color, a first layer formed over the first and second pixel regions, and having at least one of a hole injection layer and a hole transport layer, and a second layer formed over the first and second pixel regions, and having hole injectivity higher than the first layer, wherein the first and second layers are sequentially deposited in the first pixel region, and the second and first layers are sequentially deposited in the second pixel region.

Abstract: The present invention provides an organic electroluminescent device material composed of an aromatic amine derivative having a specific structure in which amine moieties are linked to a chrysene moiety; and an organic electroluminescent device having a cathode, an anode, and one or more organic thin-film layers interposed between the cathode and the anode, the organic thin-layers including at least a light-emitting layer, wherein at least one of the organic thin-film layers contains the organic electroluminescent device material in the form of single component material or a mixture of a plurality of components. The organic electroluminescent device material and the organic electroluminescent device containing the material attains a long service life and can emit blue light of high color purity at high emission efficiency.

Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented as follows: wherein, R1 and R2 are independent and can be aryl, heteroaryl, cycloalkyl, hetero-cycloalkyl, or a cycloaliphatic group, or R1 and R2 link together with the carbon atoms to which they are attached to form a fused aryl, heteroaryl, cycloalkyl, hetero-cycloalkyl, or a cycloaliphatic group, and R3, R4, and R5 are independent and can be H, C1-8 alkyl, C1-8 alkoxy, C1-8 halo-alkyl, aryl, heteroaryl, cycloalkyl, hetero-cycloalkyl, or a cycloaliphatic group.

Abstract: The present invention is to provide an organic compound having excellent characteristics as a material for an organic EL device having a high efficiency and a high durability, and to provide an organic EL device having a high efficiency and a high durability by using the compound.

Abstract: An organic light-emitting device includes a first electrode; a second electrode; an emissive layer disposed between the first electrode and the second electrode; and a hole injecting layer disposed between the first electrode and the second electrode. The hole injecting layer includes a three-component mixture of a metal fluoride, an insulator, and a hole injecting layer forming organic compound. The metal of the metal fluoride is a Group 1 or Group 2 element. The insulator is a compound made up of an element selected from the group consisting of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba and B, and an element selected from the group consisting of O, S, Cl, Se, Br and I. The hole injecting layer material provides excellent electrical characteristics, and is suitable for fluorescent and phosphorescent devices of all colors including red, green, blue, and white, and can be used in manufacturing an organic light-emitting device having high efficiency, low voltage, high brightness, and long life span.