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: 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 material for an organic electroluminescent device and an organic electroluminescent device including the same, according to one or more embodiments of the present disclosure, include an amine derivative represented by Formula 1. When the amine derivative represented by Formula 1 is included in the emission layer, the emission efficiency of the organic electroluminescent device may be improved.

Abstract: Provided are a monoamine derivative represented by the following Formula 1, and an organic electroluminescent device including the same. When the monoamine derivative represented by Formula 1 is used as a hole transport or hole injection material in the device, the operating voltage may be lowered and the emission efficiency may be improved.

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

Abstract: An organic EL device including an anode; an emission layer; an anode-side hole transport layer between the anode and the emission layer, the anode-side hole transport layer including an anode-side hole transport material and being doped with an electron accepting material; an intermediate hole transport layer between the anode-side hole transport layer and the emission layer, the intermediate hole transport layer including an intermediate hole transport material; and an emission layer-side hole transport layer between the intermediate hole transport layer and the emission layer, the emission layer-side hole transport layer being adjacent to the emission layer, wherein the emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1:

Abstract: An amine derivative represented by the following General Formula (1) is provided. In the above General Formula (1), Ar1, Ar2 and Ar3 are independently a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group, at least one of Ar1, Ar2 and Ar3 is substituted with a substituted or unsubstituted silyl group, and L is a single bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group.

Abstract: An amine derivative represented by the following General Formula (1) is provided. In the above General Formula (1), Ar1, Ar2 and Ar3 are independently a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group, at least one of Ar1, Ar2 and Ar3 is substituted with a substituted or unsubstituted silyl group, and L is a single bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group.

Abstract: A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 5.

Abstract: An organic electroluminescent (EL) device having improved emission efficiency and emission lifetime. An embodiment of the organic EL device of the present disclosure includes a plurality of hole transport layers between an anode and an emission layer. The plurality of the hole transport layers may include an anode-side hole transport layer, a middle hole transport layer, and an emission layer-side hole transport layer.

Abstract: A biological information acquisition method for acquiring information on a living body on a basis of a quantified value of a physiologically active substance originated from the living body, includes a step of collecting the physiologically active substance from a body surface of the living body.

Abstract: A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 1.

Abstract: The material for an organic electroluminescent device includes a monoamine derivative represented by Formula 1. An organic electroluminescent device including the material can exhibit low driving voltage and improved emission efficiency. The material can be included in at least one layer positioned between an emission layer and an anode of the organic electroluminescent device.

Abstract: A material for an organic electroluminescent device and an organic electroluminescent device including the same, according to one or more embodiments of the present disclosure, include an amine derivative represented by Formula 1. When the amine derivative represented by Formula 1 is included in the emission layer, the emission efficiency of the organic electroluminescent device may be improved.

Abstract: A material for an organic electroluminescent device is represented by the following Formula 1: where Ar1 to Ar4 may be each independently selected from a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring and a substituted or unsubstituted heteroaryl group having 5 to 30 carbon atoms for forming a ring, and X may be selected from a substituted or unsubstituted heteroaryl group represented by the following Formula 2: where Y may be selected from O, S and NR, and R may be selected from a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring and a substituted or unsubstituted heteroaryl group having 5 to 30 carbon atoms for forming a ring.

Abstract: Provided are a monoamine derivative represented by the following Formula 1, and an organic electroluminescent device including the same. When the monoamine derivative represented by Formula 1 is used as a hole transport or hole injection material in the device, the operating voltage may be lowered and the emission efficiency may be improved.

Abstract: An organic EL device including an anode; an emission layer; an anode-side hole transport layer between the anode and the emission layer, the anode-side hole transport layer including an anode-side hole transport material and being doped with an electron accepting material; an intermediate hole transport layer between the anode-side hole transport layer and the emission layer, the intermediate hole transport layer including an intermediate hole transport material; and an emission layer-side hole transport layer between the intermediate hole transport layer and the emission layer, the emission layer-side hole transport layer being adjacent to the emission layer, wherein 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 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: A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 5.