PARK BUM WOO (Total 1578 Patents Found)

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...
The present invention provides a novel amide derivative and a pharmaceutically acceptable salt thereof which selectively and effectively inhibits the growth of cancer cells induced by the overexpression of an epidermal growth factor receptor and also prevents the development of drug resistance caused by the mutation of...
The present invention relates to an organometallic compound and an organic light emitting diode including the same. The organic light emitting diode including the organometallic compound has low driving voltage, high current density, excellent color purity and long lifespan, and includes a first electrode; a second ele...
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...
According to the present invention, a method for preparing tetrazole methanesulfonic acid salts comprises an acylation reaction using a novel 4-iodine-4H-chromene-2-carbothionic acid S-benzothiazole-2-yl ester. The method of the present invention can shorten a reaction time and improve safety as compared to conventiona...
An organic light-emitting diode includes a substrate, a first electrode on the substrate, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transfer region between the first electrode and the emission layer, and an electron transfer region betw...
Organometallic compounds and organic light-emitting devices including the same are provided. Each subject organometallic compound may be a transition metal complex comprising up to seven organic ligands including one to three ligands which are derivatives of one of 2-(pyrazole-3-yl)pyrimidine and 2-(1,2,4-triazol-3-yl)...
An organic light-emitting diode includes an emission layer, a hole migration transfer region and an electron migration region between the first and the second electrodes. The organic light-emitting diode (OLED) has low driving voltages, higher luminance, higher efficiency, higher color purity and longer lifetime than a...
Novel heterocyclic compounds that impart improved luminescence efficiency characteristics such as low voltage, high luminance and long lifetime to organic light-emitting devices are described. Synthetic methods for the subject heterocyclic compounds are described. Methods for the construction of an organic light-emitti...
提供有机金属化合物、包括其的有机发光器件和包括其的诊断组合物。所述有机金属化合物由式1表示,其中L1选自由式2表示的三齿配体,基团和变量与说明书中描述的相同。<式1>M(L1)(L2)<式2>...
본 발명은 공간 형성층을 포함하는 리튬 설퍼 전지용 양극을 포함하는 리튬 설퍼 전지에 관한 것으로, 보다 상세하게는 공간 형성층이 버퍼층으로서 작용하는 리튬 설퍼 전지용 양극을 포함하는 리튬 설퍼 전지에 관한 것이다. 본 발명에 따...
Organometallic compounds and organic light-emitting devices including the same are provided. Each subject organometallic compound may be a transition metal complex comprising up to seven organic ligands including one to three ligands which are derivatives of one of 2-(pyrazole-3-yl)pyrimidine and 2-(1,2,4-triazol-3-yl)...
La présente invention concerne une batterie au lithium-soufre comprenant une électrode positive pour batterie au lithium-soufre comportant une couche de formation d'espace, et plus spécifiquement une batterie au lithium-soufre comprenant une électrode positive pour batterie au lithium-soufre dans laquelle une c...
The present invention relates to a novel quinazoline derivative and a pharmaceutically acceptable salt thereof as a multiplex inhibitor, a method for the preparation thereof, and a pharmaceutical composition and a therapeutic composition comprising same as an active ingredient. The inventive quinazoline derivative as a...
본 발명에 따르면, 컬러 광 반사 입자 및 상기 컬러 광 반사 입자를 둘러싸는 바인더를 포함하는 컬러 전기영동 입자에 있어서, 상기 컬러 광 반사 입자는 서브 광 반사 입자 및 광 변환층을 포함한다. 상기 광 변환층은 다수의 유기 안료 입자...
An organic light-emitting diode includes a substrate, a first electrode on the substrate, a second electrode facing the first electrode, an emission layer interposed between the first electrode and the second electrode, a hole transportation region between the first electrode and the emission layer, and an electron tra...
The present invention provides a novel amide derivative and a pharmaceutically acceptable salt thereof which selectively and effectively inhibits the growth of cancer cells induced by the overexpression of an epidermal growth factor receptor and also prevents the development of drug resistance caused by the mutation of...
The present invention provides a condensed-cyclic compound represented by Formula 1 below and an organic light-emitting diode including the condensed-cyclic compound, wherein R1 to R11, L1, L2, a, and b are defined the same as in a specification....
A heterocyclic compound represented by one of Formulae 1-4 below and an organic light-emitting device including an organic layer that includes the heterocyclic compound. The heterocyclic compounds have excellent light-emitting characteristics and excellent electron transporting characteristics, and thus may be used as ...
A carbazole-based compound of Formula 1 and an organic light-emitting diode including the same. The carbazole-based compound represented by Formula 1 has a triarylamine structure, wherein at least one of R 1 to R 5 is essentially a nitrogen-containing group. Thus, the carbazole-based compound has high glass transitio...
The present invention relates to a novel quinazoline derivative and a pharmaceutically acceptable salt thereof as a signal transduction inhibitor, a method for the preparation thereof, and a pharmaceutical composition and a therapeutic composition comprising same as an active ingredient. The inventive quinazoline deriv...
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....
La présente invention concerne un procédé pour préparer des sels d'acide tétrazole-méthanesulfonique qui comprend une réaction d'acylation utilisant un nouvel ester S-benzothiazole-2-ylique d'acide 4-iode-4H-chromène-2-carbothionique. Le procédé de la présente invention peut diminuer le temps de ...
An organic light emitting device is disclosed. The organic light emitting device comprises: a substrate; a first electrode on the substrate; a second electrode facing the first electrode; a light emitting layer interposed between the first electrode and the second electrode; a hole transport region between the first el...
L'invention concerne de nouveaux composés 2-oxo-cycliques, leur procédé de préparation et une composition pharmaceutique contenant ces composés. L'invention concerne notamment une composition pharmaceutique destinée à prévenir et traiter une maladie inflammatoire, notamment une douleur ou une inflammati...
A method for preparing tetrazole methanesulfonic acid salts includes an acylation reaction using a novel 4-iodine-4H-chromene-2-carbothionic acid S-benzothiazole-2-yl ester. The method is advantageous that it can shorten a reaction time and improve safety as compared to conventional methods, and can prepare high-purity...
An organic light-emitting diode includes a substrate, a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, and the emission layer includes a first compound represented by Formula 1 and a...
A condensation compound is represented by Formula 1, 2, or 3 where R 1 to R 24 and A to F are further defined in the detailed description....
According to the present invention, a method for preparing tetrazole methanesulfonic acid salts comprises an acylation reaction using a novel 4-iodine-4H-chromene-2-carbothionic acid S-benzothiazole-2-yl ester. The method of the present invention can shorten a reaction time and improve safety as compared to conventiona...
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...