Abstract: An amine compound represented by Formula 1 below and an organic light-emitting device including an organic layer containing the same: the compound of Formula 1 may be suitable as a hole injecting material, a hole transporting material, or a light-emitting material of an organic light-emitting device. Like the compound of Formula 1, a compound having a hetero ring in its molecular structure has a high glass transition temperature (Tg) or a high melting point due to the inclusion of the hetero ring. Accordingly, when light emission occurs, such a compound has high resistance against Joules' heat generated in an organic layer, between organic layers, and between an organic layer and a metallic electrode, and has high durability in high-temperature environments.

Abstract: In an organic electroluminescent element comprising an anode layer, an organic luminescent layer, an inorganic compound layer (or reductive dopant layer) and a cathode layer; the organic luminescent layer comprises an aromatic amine compound of a formula (1), and/or an aromatic amine compound of a formula (2) wherein A, B, and Ar1 to Ar6 are independently a C6-60 aromatic group which does not contain a styryl group nor an alkenyl group, at least one of A, Ar1, Ar2, or B, Ar3 to Ar6 contains at least three condensed aromatic rings, and p, q and r of a condensation number are an integer of 1 to 6. The element has significantly long half-life and high luminance even at low driving voltages.

Abstract: A monoamine compound of formula (1): wherein R1 to R3 each independently represent a phenyl group which may have one or more substituents, wherein at least one of said substituents is in the ortho or meta positions and wherein said substituents may be bonded to each other to form a cyclic structure, with the proviso that none of R1, R2 and R3 is a group which is the same as the other.

Abstract: The present invention provides a benzo[b]chrysene compound represented by general formula [1] below and an organic light-emitting element including the compound. In the general formula [1], Ar represents a substituted or unsubstituted aromatic hydrocarbon group, and R1 to R4 are each independently selected from the group consisting of a hydrogen atom, substituted or unsubstituted alkyl groups, and substituted or unsubstituted aromatic hydrocarbon groups.

Abstract: An electroluminescent element which includes host materials and guest materials in a part of an electroluminescent layer. Device characteristics (luminous efficiency, luminous characteristics, or the like) of an electroluminescent element are improved by using host materials and guest materials which have a common skeleton (represented by the following general formula) for an electroluminescent layer interposed between a pair of electrodes in the electroluminescent element. In the common skeleton, X1 to X3, each of which may be the same or different, are individually a hydrogen atom, a halogen atom, a lower alkyl group, an alkoxy group, an acyl group, a nitro group, a cyano group, an amino group, a dialkylamino group, a diarylamino group, a vinyl group which may have a substituent, an aryl group which may have a substituent, or a heterocyclic group which may have a substituent.

Abstract: According to one embodiment, an organic light-emitting diode includes an anode and a cathode arranged apart from each other, an emission layer, arranged between the anode and cathode, containing a host material of polyvinyl(2,7-difluorocarbazole), a blue-emitting phosphorescent material, and an electron transport material, and a hole transport layer of polyvinylcarbazole arranged adjacent to the emission layer on an anode side.

Abstract: The invention relates to a compound having a pyridoindole ring structure having a substituted pyridyl group of formula (1); and to an organic electroluminescent device comprising a pair of electrodes and at least one organic layer interposed between the electrodes, wherein at least one of the organic layer(s) contains the compound: wherein Ar represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group; R1 to R10 may be the same or different from one another and each independently represents a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, or a substituted or unsubstituted aromatic hydrocarbon group; Z represents a 6-membered aromatic heterocyclic ring containing one nitrogen atom; and m and n each independently represents an integer of 1 to 3, provided that n is 1 when m is 2 or 3.

Abstract: Disclosed herein are compositions comprising an electron transport compound, an emissive compound, and an organic solvent. The emissive compound comprises an organic indium complex attached to a nanoparticle core. These compositions are useful in fabricating light emitting devices and can be deposited on a substrate via a printing process.

Abstract: An aromatic amine derivative with a special structure obtained by bonding a diphenylamino group having a substituent to a substituted pyrene structure; and a process for producing the aromatic amine derivative. An organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrodes consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the aromatic amine derivative singly or as its mixture component. An organic electroluminescence device having a prolonged lifetime and emits blue light with an enhanced efficiency of light emission and an aromatic amine derivative realizing the device are provided.

Abstract: A compound for an organic photoelectric device, an organic photoelectric device including the same, and a display device including the organic photoelectric device, the compound being represented by the following Chemical Formula 1:

Abstract: A composition comprising a phosphorescent compound, and a compound having a structure containing three or more repeating units having a dipole moment dimension of 1.0 Debye or more connected in series, wherein, based on the total number of dimer structures composed of any two repeating units connected in series contained in the above-described structure, the proportion of the number of dimer structures in which the dimension D2 of the dipole moment of the dimer structure, the dimension D1a of the dipole moment of the first repeating unit constituting the dimer structure and the dimension D1b of the dipole moment of the second repeating unit constituting the dimer structure satisfy a relation represented by the following formula (A): D1a<D2 and D1b<D2??(A) is 50% or more.

Abstract: To provide a compound excellent in light emitting properties and an organic light emitting device having the compound.

Abstract: An organic light-emitting device including a substrate; a first electrode on the substrate, the first electrode including a first surface and a second surface opposite to the first surface; an organic layer on the first electrode, the organic layer being adjacent to the first surface of the first electrode; a second electrode on the organic layer, the second electrode including a first surface adjacent to the organic layer and a second surface opposite to the first surface; and a luminescent efficiency improvement layer on at least one of the second surface of the first electrode and the second surface of the second electrode, the luminescent efficiency improvement layer including a condensed-cyclic compound represented by Formula 1, below:

Abstract: Provided is an organic EL device comprising: an organic EL element including an anode 114, an organic EL layer 116, and a cathode 117; a wiring layer 106 that supplies power to the anode 114; and an organic layer 111 interposed between the anode 114 and the wiring layer 106, wherein the organic layer 111 includes (i) a first organic layer 112 including an azatriphenylene derivative and (ii) a second organic layer 113 including an amine-based compound, the first organic layer 112 being layered on the wiring layer 106, and the second organic layer 113 being layered on the first organic layer 112.

Abstract: Disclosed is an organic electroluminescent device comprising a structure having an anode, an emitting layer, and a cathode stacked therein, wherein a fluorescent compound represented by Formula 1 is used as a emitting material of the emitting layer or used as a dopant of the emitting layer: wherein A1 and A2 are independently selected from a substituted or unsubstituted C1-C6 aliphatic group, a C6-C20 aromatic group and a C5-C19 heterocyclic group containing N, S or O, A3 is selected from a substituted or unsubstituted C1-C6 aliphatic group, a C6-C20 aromatic group, a C5-C19 heterocyclic group containing N, S or O, and a hydrogen atom, and substituents of A1, A2 and A3 are respectively one or more and the substituent is selected from the group consisting of C1-C10 alkyl, C1-C1 alkoxy, C1-C10 alkylamino, C1-C10 alkylsilyl, a halogen atom, C6-C10 aryl, C6-C10 aryloxy, C6-C10 arylamino, C6-C10 arylsilyl and a hydrogen atom.

Abstract: Disclosed is an aromatic diamine derivative represented by the following general formula (I), which has a chrysene structure in which a phenyl group having a substituted or unsubstituted silyl group is a substituent for an amino group. Also disclosed is an organic electroluminescence device including an organic thin film layer formed of one or more layers including at least a light emitting layer and interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the aromatic diamine derivative by itself or as a component of a mixture, the device having a long lifetime and high luminous efficiency.

Abstract: An object is to provide a new fluorene derivative as a good light-emitting material for organic EL elements. A fluorene derivative represented by General Formula (G1) is provided. In the formula, R1 to R8 separately represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group. Further, ?1 to ?4 separately represent a substituted or unsubstituted phenylene group. Ar1 represents a substituted or unsubstituted condensed aromatic hydrocarbon having 14 to 18 carbon atoms forming a ring. Ar2 represents a substituted or unsubstituted aryl group having 6 to 13 carbon atoms forming a ring. Ar3 represents an alkyl group having 1 to 6 carbon atoms or a substituted or unsubstituted aryl group having 6 to 12 carbon atoms. Further, j, m, and n separately represent 0 or 1, and p represents 1 or 2.

Abstract: A fused polycyclic compound is represented by general formula [1]: wherein at least one of R1 to R16 is selected from a halogen atom, an alkyl group having 1 to 20 carbon atoms, a substituted amino group, an aryl group which may have a substituent, and a heterocyclic group which may have a substituent. An organic light-emitting element includes the fused polycyclic compound.

Abstract: The present invention relates to aromatic amines and to electronic devices in which these amines are used, in particular, as matrix material in the emitting layer and/or as hole-transport material and/or as electron-blocking or exciton-blocking material and/or as electron-transport material.

Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented as follows: wherein R are each independently an hydrogen, or a C1-8 alkyl group, and wherein R1 and R2 are each independently an hydrogen, or a C1-8 alkyl group, R3 is a hydrogen, and R1 and R2 are not hydrogen group simultaneously; or wherein R1 and R2 link together with the carbon atoms bonded thereto to form a phenyl group; wherein R2 and R3 link together with the carbon atoms bonded thereto to form a phenyl group.