Abstract: A heterocyclic compound is represented by Formula 1. The heterocyclic compound may be used in an organic layer of an organic light-emitting diode. An organic light-emitting diode includes a first electrode, a second electrode and an organic layer, and the organic layer includes the heterocyclic compound represented by Formula 1. The organic light-emitting diode may be used in a flat panel display device, in which the first electrode of the organic light-emitting diode may be electrically connected to a source or drain electrode of a thin film transistor.

Abstract: Provided is a heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound of Formula 1: <Formula 1> wherein substituents in Formula 1 above are defined as in the specification.

Abstract: Provided is a heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the compound of Formula 1: wherein substituents in Formula 1 above are defined as in the specification.

Abstract: Embodiments of the present disclosure are directed to a compound represented by Formula 1, and to organic light-emitting diodes including the compound.

Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound are provided: Ar1, Ar2, Ar3 and X in Formula 1 are defined as in the specification.

Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound: wherein R1 to R12 are defined as in the specification.

Abstract: A compound is represented by Formula 1: The substituents R1 to R14, Ar1 to Ar4, X, and Y of Formula 1 are described herein. An organic light emitting device includes at least one of the compound represented by Formula 1. The organic light-emitting device including the compound may have a low driving voltage, high efficiency, high brightness, and long lifespan.

Abstract: A heterocyclic compound represented by Formula 1 below, an organic light-emitting diode including the same, and a flat panel display device including the organic light-emitting diode: where X is *—Ar1 or wherein Ar1, Ar2, R1, R2, R3, R4, Y1, Y2, Y3, Y4, a, b, c, and d are as defined in the specification.

Abstract: Provided are a heterocyclic compound represented by Formula 1 below, and an organic light-emitting diode and a flat display device each including the heterocyclic compound. The organic light-emitting diode including an organic layer including the heterocyclic compound has a low driving voltage, high luminescence efficiency, and long lifetime.

Abstract: A styryl-based compound represented by Formula 1, a composition containing the styryl-based compound, and an organic light-emitting diode (OLED) including the styryl-based compound: The styryl-based compound may exhibit high heat resistance and thus an OLED including the same may have low driving voltage, high brightness, high efficiency, and long lifetime.

Abstract: A heterocyclic compound represented by Formula 1 or Formula 2 below, and an organic light-emitting device including the heterocyclic compound. The organic light-emitting device may include an organic layer containing the heterocyclic compound, and thus may have a low driving voltage, a high-emission efficiency, and long lifespan characteristics. wherein R1 to R12, Ar1, Ar2, A, B, a, and b are defined as in the specification.

Abstract: An arylamine compound of Formula 1 below and an organic light-emitting device including the arylamine compound are provided: Substituents in Formula 1 are as defined in the specification.

Abstract: Provided are heterocyclic compounds represented by general Formula 1 below and organic light-emitting devices including the same: Such N-substituted diarylamino derivatives of 4,5-iminophenanthrene, when included in color fluorescent or phosphorescent organic light emitting devices in a hole transporting or hole injecting charge transport role, impart high efficiency, low driving voltages, high luminances and long lifetimes to these devices.

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

Abstract: A condensed-cyclic compound of Formula 1, an organic light-emitting diode (OLED) including the same and a flat panel display device including the OLED. The condensed-cyclic compound of Formula 1 may be used in an organic light-emitting diode. Accordingly, an OLED according to an embodiment of the present invention includes a first electrode, a second electrode disposed opposite to the first electrode, and a first layer interposed between the first electrode and the second electrode, wherein the first layer includes the condensed-cyclic compound represented by Formula 1. The OLED may further include at least one layer selected from the group consisting of a hole injection layer, a hole transport layer, an emission layer, a hole blocking layer, an electron transport layer and an electron injection layer.

Abstract: An amine-based compound and an organic light-emitting diode including the amine-based compound are provided. The amine-based compound may be used between a pair of electrodes of an organic light-emitting diode. For example, the amine-based compound may be used in an emission layer and/or between the emission layer and an anode (for example, in a hole injection layer, a hole transport layer, a functional layer having a hole injection ability and a hole transport ability). Accordingly, an organic light-emitting diode including a first electrode, a second electrode facing the first electrode, and an organic layer that is interposed between the first electrode and the second electrode, and includes the amine-based compound is provided.

Abstract: An organic light emitting display device comprising a first electrode; a hole transport layer, an emitting layer and an electron transport layer disposed sequentially on the first electrode; and a second electrode formed on the electron transport layer, wherein the emitting layer comprises a host material comprising a calixarene compound represented by Chemical Formula (1) wherein, in the Chemical Formula (1), each of R1 to R4 is defined as in the specification.

Abstract: An organic compound represented by Formula 1 below and an organic light-emitting device including the organic compound; Wherein Ar1, Ar2, Ar3, Ar4, a, b, and c are defined as in the specification.

Abstract: An amine-based compound and an organic light-emitting diode including the amine-based compound.

Abstract: Embodiments of the present invention are directed to a compound represented by Formula 1, and to an organic light-emitting device including the compound.