Abstract: Provided is an organic light emitting element having stable performance in the air.

Abstract: An aromatic amine derivative is represented by the following formula (1). In the formula (1), R2 to R5, R7 to R9 and R10 are each independently a hydrogen atom or a substituent. R1 and R6 in the formula (1) are each represented by the following formula (2), in which L1 to L3 are each independently, for instance, a single bond. Ar1 in the formula (2) is a monovalent residue derived from a ring structure of the following formula (4), in which X is an oxygen atom or a sulfur atom and at least one of R11 to R18 is a substituted aryl group. Ar1 in the formula (1) is, for instance, an aryl group or a monovalent residue derived from the ring structure of the formula (4).

Abstract: A condensed cyclic compound and an organic light-emitting device, the compound being represented by Formula 1:

Abstract: An organic electroluminescent element comprising a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer which is arranged between the electrodes and which includes a light emitting layer, wherein the organic layer contains a compound represented by general formula (1) in at least one layer. The organic electroluminescent element has a high luminous efficiency, excellent blue color purity, and little chromaticity change due to drive deterioration. (In the formula, the two Xs either both represent an O atom or both represent an S atom, and R1-R10 each independently represents a hydrogen atom or a substituent group).

Abstract: Provided are a novel organic electroluminescent device material and an organic electroluminescent device using the same. The organic electroluminescent device material includes a compound represented by the following formula (1). The organic electroluminescent device of the present invention includes a substrate, an anode, an organic layer, and a cathode, the anode, the organic layer, and the cathode being laminated on the substrate, in which the organic layer contains the organic electroluminescent device material. The organic electroluminescent device material is suitable as a host material for a light-emitting layer containing a phosphorescent light-emitting dopant. In the formula, L represents an aromatic group including at least one aromatic heterocyclic group, and Ar1 to Ar4 each represent an aromatic group.

Abstract: The thiadiazole represented by formula (2) or (4), when used as a light-emitting material in a light-emitting element, allows the light-emitting element to emit near-infrared light: wherein in formulae (2) and (4), each R independently represents a hydrogen atom, an alkyl group, or a substituted or unsubstituted aryl group. There may be a ring formed by a carbon linkage between two adjacent R's.

Abstract: An organic light-emitting device including a first electrode, a second electrode and an organic layer disposed between the first electrode and the second electrode is provided.

Abstract: A heterocyclic compound represented by Formula 1 below, and an organic light-emitting device including the heterocyclic compound:

Abstract: Provided is a compound represented by Formula 1, Formula 2, or Formula 3:

Abstract: Objects of the present invention are to provide: a light-emitting element having a long lifetime and good emission efficiency and drive voltage. One embodiment of the invention is a light-emitting element including, between an anode and a cathode, at least a stack structure in which a first layer, a second layer, and a light-emitting layer are provided in order from the anode side. The first layer includes a first organic compound and an electron-accepting compound. The second layer includes a second organic compound having a HOMO level differing from the HOMO level of the first organic compound by from ?0.2 eV to +0.2 eV. The light-emitting layer includes a third organic compound having a HOMO level differing from the HOMO level of the second organic compound by from ?0.2 eV to +0.2 eV and a light-emitting substance having a hole-trapping property with respect to the third organic compound.

Abstract: The present invention relates to an organic light emitting diode and a method of manufacturing the same. An organic light emitting diode according to the present invention comprises an exciton blocking layer comprising a compound represented by Formula 1 to confine an exciton to a light emitting layer to prevent light emitting leakage, and thus there is an effect of implementing an organic electroluminescence diode having excellent light emitting efficiency. Further, even though there is no separate electron injection layer, electron injection and light transport characteristics are excellent by comprising an electron transport layer comprising a compound represented by Formula 2 or 3, and thus it is possible to implement an organic light emitting diode having a simple and economical manufacturing process, a low voltage, high efficiency, and a long life span as compared to the related art.

Abstract: There is disclosed a compound having Formula I In Formula I: Ar1 through Ar4 are the same or different and are aryl groups; L is a spiro group, an adamantyl group, bicyclic cyclohexyl, deuterated analogs thereof, or substituted derivatives thereof; R1 is the same or different at each occurrence and is D, F, alkyl, aryl, alkoxy, silyl, or a crosslinkable group, where adjacent R1 groups can be joined together to form an aromatic ring; R2 is the same or different at each occurrence and is H, D, or halogen; a is the same or different at each occurrence and is an integer from 0-4; and n is an integer greater than 0.

Abstract: An amine-based compound is represented by Formula 1: An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer and the amine-based compound represented by Formula 1. The OLED including the amine-based compound represented by Formula 1 has good color purity, low driving voltage, high efficiency, high brightness, and/or a long lifetime.

Abstract: An aromatic amine derivative is represented by the following formula (1). In the formula (1), R1 to R10 each independently represent a hydrogen atom and a substituent. In the formula (1); R1 is represented by the following formula (2); any one of R2 to R5 and R7 to R10 is represented by the following formula (2); and L1 to L3 each independently represent a single bond, a divalent residue of an aryl group, or the like. In the formula (2); Ar1 is a monovalent substituent having a partial structure represented by the following formula (3); X represents an oxygen atom or a sulfur atom; and A and B represent a six-membered ring. In the formula (2), Ar2 is an aryl group, a monovalent substituent having a partial structure represented by the formula (3), and the like.

Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL) comprising a phosphorescent emitting compound disposed in a host comprising a mixture of at least one electron transporting co-host which is a benzophenone derivative with a spiro substituent and at least one hole transporting co-host which is a triphenylamine which contains one trivalent nitrogen atom that is bonded only to carbon atoms, at least one of which is a member of an aromatic ring, wherein there is present an electron transporting layer contiguous to the LEL (HBL?) on the cathode side comprising an anthracene or a fluoranthene and wherein there is present an election injecting layer comprising a phenanthroline or a lithium quinolate contiguous to the cathode.

Abstract: A heterocyclic compound of Formula 1 below and an organic light-emitting device including the same are provided. X1 to X4, L1, L2, n, m, and Ar1 to, Ar4 in Formula 1 are defined as in the specification.

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 organic layer including a light emitting layer, disposed between the electrodes. At least one kind of a compound represented by the following general formula (I) is contained in any layer of the at least one organic layer. The organic electroluminescent element has good luminous efficiency, driving voltage, and driving durability, and has low dependence of such performance on a deposition rate. Wherein: L1 to L4, n1 to n4, A1, A5, A6, A10 and, R are as defined in the application.

Abstract: Disclosed is a novel organic semiconductor material which has a twisted quaterphenylene skeleton as a central unit and simultaneously possesses a skeleton having an electron-transporting property and a skeleton having a hole-transporting property at the terminals of the quaterphenylene skeleton. Specifically, the organic semiconductor material has a [1,1?:2?,1?:2?,1??]quaterphenyl-4-4??-diyl group, and one of the terminals of the [1,1?:2?,1?:2?,1??]quaterphenyl-4-4??-diyl group is bonded to a skeleton having an electron-transporting property such as a benzoxazole group or an oxadiazole group. A skeleton having a hole-transporting property such as diarylamino group is introduced at the other terminal. This structure allows the formation of a compound having a bipolar property, a high molecular weight, an excellent thermal stability, a large band gap, and high triplet excitation energy.

Abstract: Provided is an o organic electroluminescence element comprising an anode, a cathode and a plurality of composing layers including a light emitting layer sandwiched between the anode and the cathode, wherein an electron transport layer containing the compound represented by Formula (1) is included in the composing layers; the light emitting layer contains a phosphorescence emitting organic metal complex; and the cathode or one composing layer adjacent to the cathode contains a metal or a metal compound belonging to Group 1 or Group 2 of the periodic table of elements, provided that the metal exhibits a standard electrode potential larger than ?3 V vs.

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 organic layer including a light emitting layer, disposed between the electrodes, in which at least one kind of compound represented by the following general formula (I) is contained in any layer of the at least one organic layer. The organic electroluminescent element has good luminous efficiency, driving voltage, and driving durability, and has low dependence of such performance on a deposition rate: wherein X, Q, R1 to R8 are as defined in the application.