Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Disclosed are a composition comprising a mixture of at least one iridium organometallic compound and an electrically conductive polymer, an organic active layer comprising the same, an organic memory device comprising the organic active layer and methods for fabricating the same. The organic memory device may include a first electrode, a second electrode and the organic active layer between the first and second electrodes. The organic memory device possesses the advantages of rapid switching time, decreased operating voltage, decreased fabrication costs, increased reliability and improved non-volatility.

Abstract: A method of fabricating a thin film transistor, in which source and drain electrodes are formed through a solution process, even all stages which include formation of electrodes on a substrate, formation of an insulator layer, and formation of an organic semiconductor layer are conducted through the solution process. In the method, the fabrication is simplified and a fabrication cost is reduced. It is possible to apply the organic thin film transistor to integrated circuits requiring high speed switching because of high charge mobility.

Abstract: Disclosed is an adhesive composition including a compound having a multi-functional urethane (meth)acrylate group and an adhesive film prepared by using it. The adhesive composition includes compounds represented by Chemical Formulae 1 to 3. The compound represented by Chemical Formulae 1 to 3 includes an urethane (meth)acrylate group represented by the Chemical Formula 1-1 or 1-2.

Abstract: Disclosed is a compound having a photocurable urethane (meth)acrylate group, its manufacturing method, and a photocurable composition including the compound. The compound is represented by Chemical Formulae 1 to 6. Each of Chemical Formulae 1 to 6 includes a urethane (meth)acrylate group represented by Chemical Formula 1-1 or 1-2.

Abstract: A carbazole compound represented by Formula 1: wherein X1, X2 and X3 are each independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 arylalkyl group, a substituted or unsubstituted C2-C30 heteroaryl group, a substituted or unsubstituted C3-C20 cycloalkyl group and a substituted or unsubstituted C5-C30 heterocycloalkyl group; and l, m and n are each independently an integer from 0 to 5.

Abstract: Provided are an anthracene derivative compound represented by Formula 1 below and an organic light-emitting device using the same: wherein Ar1 and Ar2 are each independently aromatic groups, R1 and R2 are each independently substituent groups, and X is a heteroatom or substituted heteroatom. The use of the anthracene derivative compound enables to produce an organic light-emitting device with better driving voltage, brightness, efficiency, and color purity.

Abstract: Provided is an anthracene derivative compound represented by Formula 1 below and an organic light-emitting device using the same: wherein Ar1, Ar2, R1, R2, 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.

Abstract: A cyclometalated transition metal complex emitting phosphorescence of high efficiency and an organic electroluminescent display device employing the same are provided. The cyclometalated transition metal complex is represented by Formula I: {[C ^N]mM[P(R1R2)][LR3R4]n}z ??(I). The cyclometalated transition metal complex can be employed in an organic film of an organic electroluminescent display device, can emit light at a wavelength range of 400 nm to 650 nm, and can emit white light as well when used with a green light emitting material and a red light emitting material.

Abstract: A cyclometalated transition metal complex exhibiting phosphorescence with high efficiency and an organic electroluminescent display device using the same are provided. This transition metal complex can be used in forming an organic film of an organic electroluminescent display device. The transition metal complex can emit light at the wavelength range of 400 to 650 nm. Further, the complex can emit white light by using a green light emitting material or a red light emitting material together.

Abstract: Disclosed herein is a protective film. The protective film is produced by alternate coating of a polysilazane-based polymer and a flexible polysiloxane-based polymer. The polysilazane-based polymer is cured at low temperature to form silica, thereby achieving high hardness and high light transmittance. The protective film has improved interfacial adhesion between the respective coating films, which prevents permeation of moisture and oxygen. In addition, the protective film can be easily produced by low-temperature wet processes. Also disclosed herein is an encapsulation material comprising the protective film.

Abstract: A high-efficient phosphorescent cyclometalated transition metal complex represented by the formula M(C^N)( C^N)?(CN-R)X, and an organic electroluminescent (EL) device using the same. The transition metal complex can be used in formation of an organic layer of the organic EL device and produce white light emission when used together with a green-emitting material and a red-emitting material as well as emission at the wavelength range of 400-650 nm.

Abstract: A cyclometalated transition metal complex emitting phosphorescence of high efficiency and an organic electroluminescent display device employing the same are provided. The cyclometalated transition metal complex has a transition metal atom and a phosphorus ligand having at least one alkylene oxide and a phosphorus atom. The phosphorus atom is bound to the transition metal atom. The cyclometalated transition metal complex can be employed when forming an organic film of an organic electroluminescent display device, can emit light at a wavelength range of 400 nm to 650 nm, and can emit white light as well when used with a green light emitting material and a red light emitting material.

Abstract: A high-efficient phosphorescent iridium (III) complex with a heteroatom linking group and an organic electroluminescent (EL) device using the same. The iridium complex is represented by Formula 1 or Formula 2: The iridium complex of the present invention complex can efficiently emit light ranging from a blue region to a red region in a triplet MLCT state. The iridium (III) complex can be used in formation of an organic layer of an organic EL device. Since the iridium complex of the present invention can be used as a high-efficiency phosphorescent material, the iridium complex of the present invention can produce white light emission when used together with a green-emitting material or a red-emitting material as well as emission at the wavelength range of 400-650 nm.

Abstract: An organic electroluminescent device having an emission layer, which is constructed with a host, a phosphorescence emission molecule as a dopant, and a fluorescence supporter. The fluorescence supporter receives energy from the host or traps energy directly, and then transfers the energy to the dopant or self-emits light. An emission spectrum of the fluorescence supporter and an absorption spectrum of the phosphorescence emission molecule overlap partly or completely. The organic electroluminescent device has improved luminous efficiency and color purity characteristics in comparison with a conventional organic electroluminescent device having an emission layer, which is composed of a phosphorescent dopant and a host. This system is useful in the manufacture of, in particular, blue emission devices.

Abstract: 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.

Abstract: A binuclear organometallic complex enabling highly efficient phospholuminescence and an organic electroluminescent device using the same. The binuclear organometallic complex, which can be suitably used to form an organic layer of an organic electroluminescent device, produces luminescence in the wavelength range of 430-650 nm, and induces white electroluminescence when combined with green and red luminescent materials.