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Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Samsung General Chemicals, Co., Ltd.

Samsung Display Co., Ltd.

Samsung Atofina Co., Ltd.

Samsung General Chemical Co., Ltd.

Sansung Sdi Co., Ltd.

Yi-Yeol Lyu

Young-Hun Byun

Das Rupasree Ragini

Lyong-Sun Pu

Seok Gyun Chang

Eun-Sil Han

Jong-Hyoup Lee

Myeong-Suk Kim

O-hyun Kwon

Jong-Jin Park

Tae-Yong Noh

Byoung-ki Choi

Hee-Kyung Kim

Hae-Jung Son

O-Hyun Kwon

Che-Un Yang

Sung-Hun Lee

Byoung-Ki Choi

Young-Mok Son

Shinichiro Tamura

Jin-Heong Yim

Keun-Byoung Yoon

Tae-Woo Lee

Jong-jin Park

Jhun-mo Son

Woon-Jung Paek

Won-Cheol Jung

Jung-bae Song

Young-Hoon Kim

Mu-Gyeom Kim

Dong-Woo Shin

Sang-Yeol Kim

Chang-Hee Lee

Yu-Jin Kim

Sang-hoon Park

Sang-Hoon Park

Eun-Kyung Lee

Hyun-Nam Cho

Jin Heong Yim

In-Nam Kang

Dong-woo Shin

Soo-Hyoung Lee

Lyong Sun Pu

Kook-Heon Char

Jeong-Hun Kwak

Hoon-Sik Kim

Duck-Joo Yang

Ok-Kyung Cho

Eun-sil Han

Sung-Joon Kim

An organometallic complex that increases an energy band gap between HOMO and triplet MLCT states, and enables highly efficient phospholuminescence and can be used for an organic electroluminescent device. The organometallic complex, which is suitably used for forming an organic layer of the organic electroluminescent device, provides a luminescence maximum emission in the wavelength range of 400-650 nm, and induces white electroluminescence when combined with green or red luminescent materials.

Organometallic complexes and organic electroluminescence device using the same

Provided are an organometallic complex providing highly efficient phosphorescence and an organic electroluminescence device using the organometallic complex represented by Formula 1: MLL'where M is Ir, Os, Pt, Pb, Re, Ru or Pd, L and L&#x2032; are different bidentate ligands, m is 1, 2 or 3, and n is 3&#x2212;m. The organometallic complex can be used to form an organic layer of the organic electroluminescence device, efficiently emits light of a wavelength corresponding to red light, and has high brightness and low operating voltage.

Organometallic complex and organic electroluminescence device using the same

A carbazole compound represented by Formula 1: wherein X, Xand Xare each independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted C-Calkyl group, a substituted or unsubstituted C-Calkoxy group, a substituted or unsubstituted C-Caryl group, a substituted or unsubstituted C-Carylalkyl group, a substituted or unsubstituted C-Cheteroaryl group, a substituted or unsubstituted C-Ccycloalkyl group and a substituted or unsubstituted C-Cheterocycloalkyl group; and l, m and n are each independently an integer from 0 to 5.

Carbazole compounds and organo-electroluminescent devices using the same

Provided is a cyclometalated transition metal complex represented by Formula 1, Formula 2 or Formula 3: By including a new ancillary ligand, the cyclometalated transition metal complex can efficiently emit red light using a phosphor by intersystem crossing (ISC) of excitons to triplet states and then metal to ligand charge transfer (MLCT). An organic light emitting device prepared using the transition metal compound shows high luminous efficiency and high external quantum efficiency.

Cyclometalated transition metal complex and organic electroluminescence device using the same

Provided are a high-efficiency phosphorescent multinuclear copper complex and an organic electroluminescent device using the complex. The multinuclear copper complex can be used to form an organic layer of an organic electroluminescent device, and the organic electroluminescent device using the complex can emit light in the yellow to red wavelength region of 560 nm to 630 nm as a high-efficiency photoluminescent material, and provides a high brightness and a low turn-on voltage.

Phosphorescent multinuclear copper complex and organic electroluminescent device using the same

Provided is a cyclometalated transition metal complex represented by Formula 1: The cyclometalated transition metal complex contains a new ancillary ligand having a carboxylate acid or the like connected to a hetero ring, so that it can efficiently emit red light from a phosphorous material through intersystem crossing (ISC) to form triplet excitons and then metal to ligand charge transfer (MLCT). An organic light emitting device manufactured using the transition metal complex shows excellent luminous efficiency and external quantum efficiency.

Cyclometalated transition metal complex and organic light emitting device using the same

Provided are a high-efficiency, photoluminescent heteronuclear copper (I)-iridium (III) complex and an organic electroluminescent device using the complex. The photoluminescent heteronuclear copper (I)-iridium (III) complex can be used to form an organic layer of an organic electroluminescent device, can emit light of 590-630 nm as a high-efficiency, photoluminescent material, and provides a high brightness and a low turn-on voltage.

Phosphorescent heteronuclear copper(I)-iridium(III) complex and organic electroluminescence device using the same

Provided are a conducting polymer composition and an electronic device including a layer formed using the conducting polymer composition. The conducting polymer composition contains: at least one compound selected from the group consisting of a siloxane compound of formula (1) below, a siloxane compound of formula (2) below, and a silane compound of formula (3) below; and a conducting polymer: where R, R, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, D, p, m, q, and r are the same as described in the detailed description of the invention. The electronic device including a layer formed using the conducting polymer composition has excellent electroluminescent characteristics and long lifetime.

Conducting polymer composition and electronic device including layer obtained using the conducting polymer composition

An organic light-emitting device including a first electrode, a second electrode, and an organic layer interposed between the first electrode and the second electrode. The organic layer includes at least one organosiloxane compound selected from organosiloxane compounds represented by An organic light-emitting device using the organosiloxane compound has a low operating voltage, high color purity, and high efficiency.

Organosiloxane compound and organic light-emitting device comprising the same

An aminostyryl compound represented by Formula 1: The organic light emitting device using the aminostyryl compound exhibits low driving voltage and improved brightness, efficiency, and color purity.

Aminostyryl compound, method of preparing the same, and organic light emitting device using the aminostyryl compound

A conducting polymer composition containing a siloxane material of Formula (1) below and a conducting polymer, and an electronic device including a layer formed using the conducting polymer composition: where A and a are the same as described in the detailed description of the invention. The electronic device including the layer formed using the conducting polymer composition has excellent electrical characteristics and long lifetime.

Provided are a dimethylenecyclohexane compound represented by Formula 1 below, a method of preparing the same and an organic light emitting device comprising the dimethylenecyclohexane compound: The organic light emitting device comprising the dimethylenecyclohexane compound represented by Formula 1 has a low driving voltage, excellent efficiency and improved color purity.

Dimethylenecyclohexane compound, method of preparing the same and organic light emitting device comprising the dimethylenecyclohexane compound

A dimethylenecyclohexane compound represented by formula 1, a method of preparing the same, and an organic light emitting device using the dimethylenecyclohexane are provided.  The dimethylenecyclohexane compound can improve the driving voltage, efficiency and color purity of the organic light emitting device.

Dimethylenecyclohexane compound, method of preparing the same and organic light emitting device comprising the same

Provided herein are fluorene-based compounds including a fluorene or a spirofluorene structure at both terminals and a spacer including one or more atoms between the both terminals. The invention further provides an organo-electroluminescent device having an organic layer in which the fluorene-based compound is introduced. The fluorene-based compound can be readily manufactured using dry and wet processes, and the organo-electroluminescent device using the same has excellent properties in color purity, internal and external efficiency, and thermal, optical and electric stability.

Fluorene-based compound and organo-electroluminescent device using the same

Provided are an anthracene derivative compound represented by Formula 1 below and an organic light-emitting device using the same: 

Anthracene derivative compound and organic light-emitting device including the same

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Yongin-si, South Korea

Yi-Yeol Lyu