Abstract: An organic electroluminescence device comprising an amine compound is represented by Formula 1 as a hole transport material. where Ar1, Ar2, Ar3, and L1 are as defined in the specification.

Abstract: An amine compound and an organic electroluminescence device including the same are provided. The amine compound according to an embodiment of the inventive concept is represented by Formula 1.

Abstract: An organic electroluminescent device includes: a substrate; a first electrode on the substrate; a second electrode on the first electrode; and a plurality of lamination layers between the first and second electrodes; wherein at least one of the plurality of lamination layers includes a carbazole compound represented by Formula 1: The carbazole compound may improve the emission efficiency of the organic electroluminescent device.

Abstract: Provided are a material for an organic electroluminescent device and an organic electroluminescent device including the same. The material for the organic electroluminescent device is represented by the following Formula (1). The material and the organic electroluminescent device including the material may have long life. The material may include an azadibenzoheterole part at the meta (m) position of a phenylene group combined via a direct linkage or a connecting group L1 with the nitrogen atom N of an amine.

Abstract: A material for an organic electroluminescent device having high emission efficiency is represented by following Formula 1: The material represented by Formula 1 may be included in at least one layer selected from a plurality of layers between an anode and an emission layer of an organic EL device.

Abstract: A material for an organic electroluminescent device having high emission efficiency and an organic electroluminescent device utilizing the same. The material is represented by Formula 1. In Formula 1, X1 to X7 are each independently hydrogen, deuterium, a halogen atom, an alkyl group having 1 to 15 carbon atoms, or a substituted or unsubstituted aryl group; Ar1 and Ar2 are each independently a substituted or unsubstituted aryl group having 6 to 12 carbon atoms for forming a ring; L is a substituted or unsubstituted arylene group; n is an integer from 1 to 3; at least one L is a phenylene group represented by Formula 2. In Formula 2, Y1 to Y6 are each independently a direct linkage, hydrogen, deuterium, halogen, an alkyl group having 1 to 15 carbon atoms, an alkenyl group having 2 to 15 carbon atoms, or a substituted or unsubstituted aryl group.

Abstract: Provided are an amine compound and an organic electroluminescence device including the same.

Abstract: A heterocyclic compound may be represented by Formula 1. The heterocyclic compound may be included in an organic electroluminescence device. The organic electroluminescence device including the heterocyclic compound according to an embodiment of the present disclosure may attain high emission efficiency and a low driving voltage effect. where X is O, S, NR10, CR11R12 or SiR13R14.

Abstract: An organic electroluminescent device of which emission life may be improved. The organic electroluminescent device includes an anode, an emission layer, and an anode-side hole transport layer provided between the anode and the emission layer and including an anode-side hole transport material. An electron accepting material is doped in the anode-side hole transport layer. An intermediate hole transport material layer is provided between the anode-side hole transport layer and the emission layer and includes an intermediate hole transport material, and an emission layer-side hole transport layer is provided between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer. The emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1.

Abstract: An organic electroluminescent (EL) device including an anode; an emission layer for obtaining luminescence via a singlet excited state; and a laminated structure between the anode and the emission layer, the laminated structure including at least three layers having different components, wherein the laminated structure includes a first layer including a hole transport compound, the hole transport compound being obtained by doping an electron accepting compound having a lowest unoccupied molecular orbital (LUMO) level of about ?9.0 eV to about ?4.

Abstract: Provided are a monoamine compound and an organic electroluminescence device including the same.

Abstract: A amine compound and an organic electroluminescence device including the same, the amine compound being represented by Formula 1: In Formula 1, at least one of Ar1 to Ar4 is a substituted or unsubstituted heteroaryl group.

Abstract: A material for an organic electroluminescent device having high emission efficiency and an organic electroluminescent device including the same. An amine derivative of an embodiment of the inventive concept is represented by Formula (1).

Abstract: An amine compound is represented by the following Formula 1: The amine compound may be included in at least one of the layers positioned between an anode and an emission layer of an organic electroluminescent device. The amine compound may improve the emission lifetime of the organic electroluminescent device including the amine compound.

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

Abstract: Provided are an amine compound and an organic electroluminescence device including the same.

Abstract: An organic electroluminescent device of which emission life may be improved. The organic electroluminescent device includes an anode, an emission layer, and an anode-side hole transport layer provided between the anode and the emission layer and including an anode-side hole transport material. An electron accepting material is doped in the anode-side hole transport layer. An intermediate hole transport material layer is provided between the anode-side hole transport layer and the emission layer and includes an intermediate hole transport material, and an emission layer-side hole transport layer is provided between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer. The emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1.

Abstract: A material for an organic electroluminescent device having high emission efficiency, represented by Formula 1, and an organic electroluminescent device including the same: The organic electroluminescent device may include a first electrode, a second electrode facing the first electrode, and one or more organic layers between the first electrode and second electrode. When the material for an organic electroluminescent device is included in at least one of the organic layers, the organic electroluminescent device may achieve high emission efficiency and long lifespan.

Abstract: A polycyclic compound according to an embodiment of the inventive concept is represented by the following Formula 1: In Formula 1, Ar1 and Ar2 are each independently substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, where Ar1 and Ar2 may combine with each other to form a ring, and A is represented by the following Formula 2-1 or 2-2:

Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4: