Samsung Mobile Display Co., Ltd.

Samsung Sdi Co., Inc.

Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Sansung Sdi Co., Ltd.

Das Rupasree Ragini

Lyong-Sun Pu

Yi-Yeol Lyu

Young-Hun Byun

Seok Gyun Chang

Eun-Sil Han

Hee-Kyung Kim

Jong-Hyoup Lee

O-hyun Kwon

Hae-Jung Son

Myeong-Suk Kim

Jong-jin Park

O-Hyun Kwon

Young-Mok Son

Tae-Yong Noh

Byoung-ki Choi

Che-Un Yang

Shinichiro Tamura

Jong-Jin Park

Jung-bae Song

Sung-Hun Lee

Jhun-mo Son

Byoung-Ki Choi

Young-Hoon Kim

Yu-Jin Kim

Sang-hoon Park

Ji-Hoon Lee

Woon-Jung Paek

Joon-Yong Park

In-Nam Kang

Lyong Sun Pu

Ok-Kyung Cho

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 same. 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. The organometallic complex is represented by Formula (1) 

Organometallic complex 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.

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 an organometallic complex providing highly efficient phosphorescence and an organic electroluminescence device using the same. 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.

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

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

Silyl-substituted cyclometalated transition metal complexes have good thermal stability and enabling highly efficient phospholuminescence and an organic electroluminescent device may use the Silyl-substituted cyclometalated transition metal complexes. The transition metal complexes, which are suitably used for forming an organic layer of the organic electroluminescent device, can emit light in the wavelength range of 400-650 nm, and induce white electroluminescence when combined with green or red luminescent materials.

Silyl-substituted cyclometalated transition metal complex and organic electroluminescence device using the same

Provided is an anthracene derivative compound represented by Formula 1 below and an organic light-emitting device using the same: wherein Ar, Ar, R, R, R', m, n, j, k, and X are as defined in the specification. The anthracene derivative compound is advantageously used in the production of an organic light-emitting device with better driving voltage, efficiency, and color purity.

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

Provided are a highly efficient phosphorescent organometallic complex and an organic electroluminescent (EL) device using the same. The organometallic complex can be used in the formation of an organic layer of the organic EL device, and can emit light in a red wavelength range as a highly efficient phosphorescent material. The organic EL device using the organometallic complex can exhibit high brightness and a low driving voltage.

Organometallic complex and organic electroluminescent device using the same

Provided is an organometallic complex that highly effectively emits a phosphorescent light and an organic electroluminescent device using the same. The organometallic complex can be used to form an organic layer of an organic electroluminescent device, is a highly effective phosphorescent material emitting light of 400 nm to 650 nm, and can be used with a green emission material or a red emission material to emit a white light. In addition, the organometallic complex can be used in a solution process due to its high solubility, and thus, is suitable for large-scale screens.

A cyclometalated transition metal complex very efficiently emits phosphorescent light and an organic electroluminescent device using the same. The transition metal complex is suitable for an organic layer of an organic electroluminescent device, can emit light with a wavelength of 400 to 650 nm, and can emit white light when used with a red emissive material or a green emissive material.

Growing community of inventors

Suwon-si, South Korea

Das Rupasree Ragini