Abstract: A catalyst for a reformer of a fuel cell system, a reformer for a fuel cell system including the catalyst, and a fuel cell system including the reformer are provided. The reformer includes a first reacting region that generates heat energy through oxidation of fuel and includes an oxidation catalyst having a Pd catalyst supported by an Al2O3 carrier and a Pt catalyst supported by an Al2O3 carrier, and a second reacting region that generates hydrogen gas from the fuel through a reforming reaction by the heat energy. The reformer includes at least two pipes each having an independent internal space and letting the fuel containing hydrogen pass therethrough.

Abstract: A protection circuit controls charging/discharging of a battery pack in both a high temperature region and a low temperature region. The battery pack is protected from the risk of firing, burning or explosion which occurs in a high temperature region, to secure its safety. Furthermore, the charging and discharging of the battery pack is controlled in a low temperature region, to prevent incomplete charging and to increase the battery capacity efficiency.

Abstract: A photosensitive paste composition for forming a black layer on top of plasma display panel (PDP) barrier ribs includes black pigment nanoparticles for contrast enhancement and a cyclic acid anhydride for fundamentally preventing the gelation of the paste composition. The photosensitive paste composition prevents electrical or optical crosstalk between adjacent discharge cells to achieve better contrast. The fundamental prevention of the gelation of the paste composition permits the paste composition to have good storage stability.

Abstract: The cathode catalyst includes a zeolite-containing carrier, and a ruthenium (Ru)-M-tellurium (Te) alloy supported on the carrier, where M is selected from the group consisting of tungsten (W), molybdenum (Mo), and combinations thereof. The cathode catalyst has a high activity and selectivity for a reduction reaction of an oxidant, and is highly stable under an acidic atmosphere thereby being capable of improving performances of a membrane-electrode assembly and fuel cell system.

Abstract: A deposition system and its method of control cancels the influence of noise occurring during measuring of a deposition rate using a noise canceller in order to exactly control the deposition rate, and obtains a film of a desired thickness. The deposition system includes a deposition device. A deposition rate sensor measures a deposition rate of the deposition device. A noise canceller cancels a noise component of the measured deposition rate. A power supply unit adjusts power supplied to the deposition device according to an output of the noise canceller.

Abstract: Provided is a heterocyclic compound represented by Formula I: wherein Ar1 is a linking group and a C6-C16 arylene or heteroarylene group; Ar2 and Ar3 are each independently a C6-C20 aryl group, a C4-C20 heteroaryl group or a C6-C20 fused polycyclic group; Ar4 is a C6-C20 aryl group, a C6-C20 aryloxy group, a C4-C20 heteroaryl group or a C6-C20 fused polycyclic group; and Ar1 and Ar3, or Ar2 and Ar3 may be connected to each other to form a ring. The heterocyclic compound has high electrical stability and excellent charge transporting capability, and thus can be efficiently used as a material for forming at least one of a hole injecting layer, a hole transporting layer and an emitting layer suitable for fluorescent and phosphorescent devices realizing all colors including red, green, blue and white.

Abstract: A donor substrate and a method of forming an organic semiconductor layer pattern using the donor substrate, whereby a donor substrate is formed using an organic semiconductor precursor having a thermally decomposable substituent through a wet process, the organic semiconductor precursor substrate in the donor substrate is transferred to a receptor substrate as a pattern and heated, and thus is changed into an organic semiconductor. As a result, an organic semiconductor layer pattern is obtained. The method can be used in the manufacture of various devices such as organic light emitting diode and organic thin film transistor. A low-molecular weight organic semiconductor layer pattern can be formed through a wet process, not through deposition. Thus, using the method, a flat display device can be conveniently manufactured at low cost.

Abstract: A lithium ion secondary battery in which an electrode assembly is easily impregnated with an electrolyte is provided. The lithium ion secondary battery includes an electrode assembly wrapped by a sealing tape, an upper insulating plate positioned on the top of the electrode assembly, a lower insulating plate positioned at the bottom of the electrode assembly, a case for accommodating the electrode assembly, and a cap assembly for sealing the case. In one embodiment, the upper insulating plate has holes which may include a form of a mesh. In another embodiment, the lower insulating plate has various shapes of recesses on the surface. The surface of the lower insulating plate may be coated with a material that has an affinity for the electrolyte. An inner surface of the case may have various shapes of recesses or grooves. The sealing tape may be coated with a material that has an affinity for an electrolyte.

Abstract: An organic electroluminescence (EL) device which has a rear substrate, an organic EL element formed on the rear substrate and having a laminate structure in which a first electrode, an organic layer and a second electrode are sequentially laminated, a front substrate coupled to the rear substrate via sealant to seal an internal space in which the organic EL element is accommodated, and a transparent nanoporous oxide layer having nanoporous oxide particles disposed in the internal space formed by the rear substrate and the front substrate. Since the organic electroluminescence device includes the transparent nanoporous oxide layer having the nanoporous oxide particles and pores, it has an improved lifetime by increased moisture and oxygen absorbing properties.

Abstract: A Plasma Display Panel (PDP) enabling optimization of a process to apply phosphor paste in order to achieve mass production using a jet nozzle method includes dummy areas structured to determine whether application conditions such as an ejecting pressure or the like are stable by measuring a depth of the applied layer after applying phosphor paste at a portion thereof in advance. The PDP includes: a first substrate and a second substrate opposing each other; address electrodes arranged on the first substrate; display electrodes arranged on the second substrate along a direction perpendicular to the address electrodes; barrier ribs arranged in a space between the first substrate and the second substrate to define a plurality of discharge cells, and phosphor layers arranged in each of the discharge cells.

Abstract: A secondary battery is provided with a safety vent that can decrease the increased inner pressure of the secondary battery by being rapidly fractured when the inner pressure of the secondary battery is increased over a predetermined value. The secondary battery is constructed with a sealed outer case forming a receiving space in an inner side, an electrode assembly received in the receiving space of the outer case, a safety vent formed on one surface of the outer case, and a fracture induction part formed on the surface of the outer case and disposed at a portion of a circumference region of the safety vent. The fracture induction part is relatively thinner than the other portion of the surface of the outer case.

Abstract: Disclosed are a driving circuit and an organic light emitting display using the same, which realizes stable gray levels. The driving circuit includes a first selector that produces a first selection and sub selection signals, and a second selector that produces a second selection and sub selection signals. The driving circuit also includes a first voltage divider and a second voltage divider, each of which receives the selection signals. The first and the second voltage dividers can produce various voltage levels depending on the various combination of the selection signals.

Abstract: Provided are a thin film transistor (TFT) panel, a method of fabricating the same, and an organic light emitting display device (OLED) including the same. The TFT panel has a TFT region and a capacitor region. A TFT is formed in the TFT region and a capacitor is formed in the capacitor region. The TFT includes an active layer that includes a source and a drain regions. A gate insulation layer is formed on the active layer, and a gate electrode is formed on the gate insulation layer over the active layer. A source and a drain electrodes are formed over the active layer, and connected to the source and drain regions, respectively. In the TFT region, an interlayer insulation layer is formed between the gate electrode and the source/drain electrodes. In the capacitor region, an interlayer insulation layer is formed between a capacitor lower electrode and a capacitor upper electrode to form a capacitor.

Abstract: Provided are a silicon-containing compound having carbazole and fluorene in its molecule and an organic electroluminescent device including an organic layer employing the same. The silicon-containing compound is represented by the following formula: The silicon-containing compound has excellent electrical characteristics and a charge transporting capability, the silicon-containing compound can be used as a hole injecting material, a hole transporting material, and/or a light emitting material that are suitable for all-color fluorescent and phosphorescent organic light emitting devices such as red, green, blue, and white fluorescent and phosphorescent organic light emitting devices. When the silicon-containing compound is used to manufacture an organic electroluminescent device, the organic electroluminescent device has a high efficiency, a low driving voltage, high luminosity, and a long lifetime.

Abstract: Provided are a hyperbranched polymer represented by Formula 1 below, an organic light-emitting diode including an organic layer including the hyperbranched polymer, and a method of manufacturing the organic light-emitting diode: For a detailed description about Formula 1, the Detailed Description of the Invention may be referred to. The hyperbranched polymer is excellent in view of hole injection capability and/or electron blocking capability and adhesion with an electrode, and thus, the organic light-emitting diode including the organic layer including the hyperbranched polymer can have good electrical properties.

Abstract: An organometallic complex for an organic light emitting device represented by formula 1, a method of preparing the same and an organic light emitting device including the same: where R1 through R16 are a hydrogen atom, a cyano group, a hydroxyl group, a nitro group, a halogen atom, a C1-C20 alkyl group, a C1-C20 alkoxy group, a C6-C20 aryl group, a C7-C20 arylalkyl group, a C2-C20 alkylalkoxy group, a C7-C20 arylalkoxy group, a C6-C20 arylamino group, a C1-C20 alkylamino group, a C6-C20 heteroarylamino group, and a C2-C20 hetero-ring group; and M is a bivalent metal such as Be, Mg, Zn, Ca, Cr, Fe, Co, Ni and Cu. The compound represented by Formula 1 can be effectively used in an electron transport layer or an electron injection layer. An organic light emitting device including the compound represented by Formula 1 can thus have long lifetime.

Abstract: A thin film transistor (TFT) having improved characteristics, a method for fabricating the same, and an organic light emitting display device (OLED) including the same. The TFT is constructed with a substrate, a semiconductor layer disposed on the substrate and including a channel region, source and drain regions, a gate insulating layer disposed on the semiconductor layer, a gate electrode disposed on the gate insulating layer and corresponding to the channel region, an interlayer insulating layer disposed on the gate electrode, and source and drain electrodes electrically connected to the source and drain regions of the semiconductor layer. The channel region is made from polycrystalline silicon (poly-Si), and the source and drain regions are made from amorphous silicon (a-Si). The polycrystalline silicon of the channel region is formed by crystallizing amorphous silicon using Joule's heat generated by the gate electrode.

Abstract: In a method of forming a conductive layer, a conductive layer formed using the method, an organic electroluminescent device including the conductive layer, and a method of manufacturing the organic electroluminescent device, the method of forming the conductive layer comprises: pre-treating a substrate in order to improve adhesive force; coating a mixture solution which contains a sulfonate-based catalyst and a solvent on the substrate, and then drying the coated product; and performing vapor-phase polymerization by contacting the substrate on which the catalyst is coated with monomers which make up a conductive polymer in a vapor phase. The conductive layer obtained using the method of forming a conductive layer has high conductivity, high transmittance with respect to light having a wavelength of 300 nm to 700 nm, uniform thickness, and thermal-chemical stability.

Abstract: A catalyst-enhanced chemical vapor deposition (CECVD) apparatus and a deposition method, in which tension is applied to a catalyst wire in order to prevent the catalyst wire from sagging due to thermal deformation, and additional gas is used to prevent foreign material from being generated. The CECVD apparatus may be constructed with a process chamber, a showerhead to introduce process gas into process chamber, a tensile catalyst wire structure provided in the process chamber to decompose the gas introduced from the showerhead, and a substrate on which the gas decomposed by the catalyst wire structure is deposited, so that the tension is applied to a catalyst wire in order to prevent the catalyst wire from sagging due to thermal deformation, and additional gas is used to prevent foreign material from being generated, thereby eliminating occurrences of non-uniform temperatures of a substrate and non-uniform film growth, and concomitantly enhancing the durability of the catalyst wire.

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.