Samsung Display Co., Ltd.

Samsung Mobile Display Co., Ltd.

Yoon-Hyun Kwak

Seok-Hwan Hwang

Jong-Hyuk Lee

Young-Kook Kim

Sun-Young Lee

Bum-Woo Park

Hye-Jin Jung

Jin-O Lim

So-Yeon Kim

Ji-Youn Lee

Jong-Won Choi

Wha-Il Choi

Kwan-Hee Lee

Jeoung-In Yi

Hee-Joo Ko

Chang-Ho Lee

Young-kook Kim

Min-Seung Chun

Sang-Hyun Han

Se-Jin Cho

Jae-Yong Lee

Hee-Yeon Kim

Seung-Gak Yang

Sung-Chul Kim

Sam-Il Kho

Jin-Young Yun

Hyung-Jun Song

Mie-Hwa Park

Dae-Yup Shin

Bo-Ra Lee

Chang-Woong Chu

Hye-In Jeong

Hyoung-Kun Kim

Hye-Lim Lee

Jae-Hong Kim

Myeong-Suk Kim

Jong-hyuk Lee

Il-Soo Oh

Ja-Hyun Im

Young-Mok Son

Soung-Wook Kim

Moon-Jae Lee

Wha-II Choi

ll-Soo Oh

Ja-Hyun Lim

Seok-Hwan Kwang

Sung-chul Kim

Jeong-In Yi

An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.

Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same

A carbazole-based compound and an organic light-emitting device including the carbazole-based compound, the compound being represented by one of the following Formulae 1 to 3: 

Carbazole-based compound and organic light emitting device including the same

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

Heterocyclic compound and organic light-emitting device including the same

An organic light-emitting diode includes a substrate; a first electrode on the substrate; a second electrode disposed opposite to the first electrode; an emission layer disposed between the first electrode and the second electrode; a hole migration region disposed between the first electrode and the emission layer; and an electron migration region disposed between the emission layer and the second electrode, wherein the hole migration region comprises a first compound represented by Formula 1 below, and at least one of the hole migration region and the emission layer comprises a second compound represented by Formula 2 below. Substituents in Formulae 1 and 2 are the same as described in the specification. 

Organic light-emitting diode

Embodiments of the present invention are directed to a condensed-cyclic compound represented by Formula 1, and to an organic light-emitting diode including the same. 

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

An organic light-emitting device includes an emission layer including a dopant comprising a first compound represented by Formula 1 and a host comprising a second compound represented by Formula 100 wherein in Formulae 1 and 100, X, X, R, R, R, Rto R, L, a, n and m are the same as defined in the present application.

Organic light-emitting device

Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.

An organometallic compound may be represented by one selected from the group of Formulae 5 to 8: 

Organometallic compound and organic light-emitting device including the same

Heterocyclic compounds, synthetic methods for preparing the same, and organic light-emitting display devices comprising the same are described. The subject heterocyclic compounds may comprise an aromatic ring or a heteroaromatic ring fused with a carbazole, dibenzothiophene, or dibenzofurane derivative, the compounds featuring rigid backbone structures with high glass transition temperatures and high melting points. The subject heterocyclic compounds may exhibit high electrical stability, improved charge transport ability, high heat resistance and improved light-emitting properties when used in organic light-emitting devices. Organic light-emitting display devices prepared according to the present invention exhibit lower driving voltages, increased luminescent efficiencies and longer lifetimes.

Heterocyclic compounds and organic light-emitting devices including the same

An organometallic compound and an organic light-emitting diode (OLED) including the organometallic compound are provided. In exemplary embodiments, the organometallic compound is a platinum complex comprising one or two heterocyclic ligands, the heterocyclic ligands being the same or different if they are two in number, each heterocyclic ligand comprising two nitrogen heterocyclic rings connected by a single bond, one of the rings being six membered and comprising at least one nitrogen and the other ring being a 1,2-diazole or a 1,2,4-triazole ring. One or two other organic ligands may be attached to the central platinum atom in the complex. OLEDs including one of the subject platinum compounds in a light emission layer exhibit lower driving voltages, higher luminances, higher efficiencies and longer lifetimes than do comparative OLEDs built with established dopants incorporated into the light emitting layers.

Organometallic compound and organic light-emitting diode comprising the same

A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same. The heterocyclic compound represented by Formula 1 has excellent light emitting characteristics and high charge transporting capabilities.

Heterocyclic compound and organic light-emitting device comprising the same

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Yongin, South Korea

Yoon-Hyun Kwak