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: 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: 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: Provided are an organometallic complex providing highly efficient phosphorescence and an organic electroluminescence device using the organometallic complex represented by Formula 1: MLmL?n where M is Ir, Os, Pt, Pb, Re, Ru or Pd, L and L? are different bidentate ligands, m is 1, 2 or 3, and n is 3?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.

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 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.

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: 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 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: 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.

Abstract: 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.

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: 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.

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 composition for preparing an organic insulator, the composition comprising (i) at least one organic-inorganic hybrid material; (ii) at least one organometallic compound and/or organic polymer; and (iii) at least one solvent for dissolving the above two components, so that an organic insulator using the same has a low threshold voltage and driving voltage, and high charge carrier mobility and Ion/Ioff ratio, thereby enhancing insulator characteristics. Further, the preparation of organic insulating film can be carried out by wet process, so that simplification of the process and cut of cost are achieved.

Abstract: 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 R1, R2, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, 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.

Abstract: A patternable adhesive film is formed in a double-layered structure of an adhesive layer having patternability and an adhesive layer having both adhesion and developability. Thus, the double-layered patternable adhesive film can effectively have both patternability and adhesion.

Abstract: 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.

Abstract: 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.