Samsung Display Co., Ltd.

Hyoung-Kun Kim

Sam-Il Kho

Mi-Kyung Kim

Hwan-Hee Cho

Chang-Woong Chu

Kwan-Hee Lee

Seok-Hwan Hwang

Young-Kook Kim

Yoon-Hyun Kwak

Jong-Woo Kim

Se-Hun Kim

Mie-Hwa Park

Dong-Hyun Kim

Hye-Jin Jung

Jin-O Lim

Kwang-Hyun Kim

Ja-Hyun Im

Ja-Hyun Lim

An amine-based compound is represented by Formula 1 below: wherein Zto Z, Rto Rand Arare as indicated in the specification. An organic light-emitting diode includes the amine-based compound.

Amine-based compound and organic light-emitting diode including the same

A condensed cyclic compound represented by Formula 1:  Also disclosed is an organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and the condensed cyclic compound of Formula 1. An organic light-emitting device including the condensed cyclic compound of Formula 1 may have low driving voltage, high efficiency, a high luminance, and long lifetime.

Condensed cyclic compound and organic light-emitting device comprising the same

An organic light-emitting device (OLED) includes a first electrode; a second electrode facing the first electrode; an emission layer (EML) between the first electrode and the second electrode; a hole transport region between the first electrode and the EML; an electron transport region between the EML and the second electrode; and an interlayer between the EML and the hole transport region, wherein the interlayer includes an amine-based compound represented by Formula 1 or 2: where Ar, Ar, R-R, Z-Z, p, and q are as defined in the specification.

Organic light-emitting device

Provided are an amine-based compound and an organic light-emitting diode including the same. The amine-based compound is represented by Formula 1 or Formula 2 below: 

Provided is an organic light-emitting device, including a first electrode; a second electrode facing the first electrode; an emission layer disposed between the first electrode and the second electrode; a first hole transport layer that is disposed between the emission layer and the first electrode and includes a first compound and a first charge-generation material; a second hole transport layer that is disposed between the emission layer and the first hole transport layer and includes a second compound; a third hole transport layer that is disposed between the emission layer and the second hole transport layer and includes a third compound and a second charge-generation material; and a fourth hole transport layer that is disposed between the emission layer and the third hole transport layer and includes a fourth compound. The first, second, third, and fourth compounds are each represented by Formula 1 or 2: 

A compound, an organic light-emitting device, and a flat panel display device, the compound being represented by Formula 1, below: 

Compound and organic light-emitting device including the same

An organic light-emitting diode includes a first electrode; a second electrode facing the first electrode; an emission layer (EML) between the first electrode and the second electrode; a first charge generation layer between the EML and the first electrode and including a first compound and a first charge generation material; a first layer between the EML and the first charge generation layer and including a second compound; a second charge generation layer between the EML and the first layer and including a third compound and a second charge generation material; a second layer between the EML and the second charge generation layer and including a fourth compound; and a buffer layer between the EML and the second layer. The first and third compounds each independently includes a compound represented by Formula 1, and the second and fourth compounds each independently includes a compound represented by Formula 2.

Organic light-emitting diode including multi-layered hole transporting layer, and flat display device including the organic light-emitting diode

An organic light-emitting device includes an emission layer between first and second electrodes, a first hole transport layer that is between the emission layer and the first electrode and that includes a first hole transport compound and a first electron acceptor, a second hole transport layer that is between the emission layer and first hole transport layer and that includes a second hole transport compound, a third hole transport layer that is between the emission layer and the second hole transport layer and that includes a third hole transport compound and a second electron acceptor, a fourth hole transport layer that is between the emission layer and the third hole transport layer and that includes a fourth hole transport compound, a buffer layer between the emission layer and the fourth hole transport layer, and an electron transport layer that includes a pyrimidine-based compound.

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Yongin, South Korea

Hyoung-Kun Kim