Abstract: A novel fluorene-containing compound and an organic electroluminescent device including an organic layer employing the same. The fluorene-containing compound has excellent electrical characteristics and an excellent charge transporting capability, and so can be used as a hole injecting material, hole transporting material, and/or emitting material that is suitable for all-color fluorescent and phosphorescent devices, such as red, green, blue, and white fluorescent and phosphorescent devices. Accordingly, an organic electroluminescent device employing the fluorene-containing compound has high efficiency, a low driving voltage, high brightness, and a long lifetime.

Abstract: An Organic Light Emitting Display (OLED) that is capable of decreasing the number of output lines for a data driver using a demultiplexer, displaying an image with uniform brightness, and adjusting white balance includes: a plurality of red, green and blue sub-pixels, and each sub-pixel is provided with an auxiliary capacitor to compensate a decreased driving voltage. The respective auxiliary capacitors are different in capacitance according to emission efficiency of the red, green and blue sub-pixels. The auxiliary capacitor of the green sub-pixel has a larger capacitance than the auxiliary capacitor of the red sub-pixel, and the auxiliary capacitor of the red sub-pixel has a larger capacitance than the auxiliary capacitor of the blue sub-pixel. This enables the white balance to be adjusted with the same data voltage.

Abstract: An organic light-emitting display apparatus including: a substrate; a display unit disposed on the substrate; an encapsulation substrate disposed on the display unit; and a sealant by which the substrate is combined with the encapsulation substrate and which includes a filler, wherein a height of the sealant is greater than a height of the filler.

Abstract: A method for manufacturing a thin film transistor includes: forming a source electrode and a drain electrode on a substrate by depositing a metal layer on the substrate at a first temperature and etching the metal layer; forming a protective layer on the source and drain electrodes; and performing a heat treatment on the protective layer at a second temperature higher than the first temperature.

Abstract: An organic light emitting display device. The organic light emitting display device includes a substrate having a pixel region in which pixels are formed and a non-pixel region in which a light sensor is formed, an insulating film formed on the substrate, a first electrode formed on the insulating film and formed of a reflective material reflecting light, the first electrode being formed on the entire surface of the insulating film except for a region between the pixels and a region over the light sensor, a pixel defining film exposing a region of the first electrode and formed on the insulating film, an organic light emitting layer formed on the exposed region of the first electrode, and a second electrode formed on the organic light emitting layer. The first electrode is formed to have a greater area than that of the organic light emitting layer.

Abstract: A thin film transistor, a method of fabricating the same, and an organic light emitting diode display device including the same, which allow a size of a grain of a channel region to be increased, can effectively protect the channel region of a semiconductor layer at the time of etching process, and can reduce processing cost. The thin film transistor includes a substrate, a gate electrode disposed on the substrate, a gate insulating layer disposed on the gate electrode, a semiconductor layer pattern disposed on the gate insulating layer and including a channel region, a source region and a drain region, an etch stop layer pattern disposed on the channel region of the semiconductor layer pattern and having a thickness of 20 to 60 nm, and source and drain electrodes disposed on the source and drain regions of the semiconductor layer pattern, respectively.

Abstract: Provided is an organic light emitting diode including: a first electrode; a second electrode; an organic layer between the first electrode and the second electrode; and a luminous efficiency improvement layer disposed on a surface of the first electrode facing away from the organic layer or a surface of the second electrode facing away from the organic layer, wherein the luminous efficiency improvement layer includes a porphyrazin derivative, a phthalocyanine derivative, a naphthalocyanine derivative, or a combination of at least two compounds of the foregoing.

Abstract: A rechargeable lithium battery includes an electrolyte including an additive such as an ethylene carbonate-based compound represented by Chemical Formula 1 and a silicon-included compound, and a negative electrode including a negative active material including an active element selected from the group consisting of Si, Sn, Ga, Cd, Al, Pb, Zn, Bi, In, Mg, and Ge. In Chemical formula 1, X and Y are independently selected from the group consisting of hydrogen, a halogen, and a C1 through C5 fluoroalkyl, provided that at least one of X and Y is selected from the group consisting of a halogen and a C1 through C5 fluoroalkyl. The rechargeable lithium battery has a suppressed volume expansion characteristic due to a high-capacity negative active material, and has excellent reliability and cycle-life characteristics.

Abstract: Provided is a dual view display panel including: a first vertical cell line, a second vertical cell line, a third vertical cell line, and a fourth vertical cell line. Each of the first and fourth vertical cell lines have a red cell, a blue cell and a green cell that are formed vertically in this order, and each of the second and third vertical cell lines have a green cell, a red cell and a blue cell that are formed vertically in this order. An upper edge of the green cell of the second vertical cell line is arranged around a vertical position of the center of the red cell of the first vertical cell line, and a lower edge of the green cell of the second vertical cell line is arranged around a vertical position of the center of the blue cell of the first vertical cell line. The cells of the first and fourth vertical cell lines are arranged in substantially identical positions, and the cells of the second and third vertical cell lines are arranged in substantially identical positions.

Abstract: A fuel reforming apparatus including reaction substrates is provided. The reaction substrates of the present invention is made of stainless steel, nickel steel, or chromium steel. Each of the reaction substrates has a channel formed on the surface of the reaction substrate. Reactant for oxidation reaction or for fuel reforming reaction flow through the channel. A catalyst containing layer is formed on the surface of the channel by directly oxidizing the surface of the channel. Therefore, the catalyst containing layer is formed with oxidized steel. A catalyst layer is formed on the catalyst containing layer. A pair of substrates can be laminated to make one substrate a thermal source unit and another a reforming reaction unit.

Abstract: A plate-type heat exchanger for use in a fuel cell system that has a fuel cell stack and a reformer is provided. The heat exchanger includes a substrate and a pair of cover plates. The substrate has a first face and a second face opposite to the first face. The substrate is disposed between the cover plates, and combined with the cover plates to form a first passageway and a second passageway. The first passageway is formed in the first face and circulates steam discharged from the fuel cell stack. The steam or water condensed from the steam is supplied to a water supply source. The second passageway is formed in the second face, and circulates water supplied from the water supply source. The water is supplied to the reformer after the circulation. The heat exchanger of the present invention improves performance and efficiency of a fuel cell system.

Abstract: An organic light emitting device includes a first electrode; a second electrode; an emissive layer disposed between the first electrode and the second electrode; a first hole injection layer disposed between the first electrode and the second electrode; and a second hole injection layer disposed between the first electrode and the second electrode. The first hole injection layer includes a metal fluoride and a first organic hole injection layer forming compound, and the second hole injection layer includes a metal oxide and a second organic hole injection layer forming compound.

Abstract: A secondary battery with a protection circuit module integrated with a structural reinforcing support. The secondary battery includes a bare cell, a protection circuit module. The protection circuit module includes a circuit board, and a structural reinforcing support coupling the bare cell and the circuit board of the protection circuit module. The structural reinforcing support is integrated with the protection circuit module in order to prevent separation of the protection circuit module from the bare cell.

Abstract: A secondary battery has a safety vent, and the safety vent has an asymmetric structure and provides a substantial opening for the battery, instead of having a local crack, to rapidly vent to atmosphere in order to prevent the secondary battery from bursting when the internal pressure of a battery increases excessively or external impact is applied thereto. The secondary battery includes an electrode assembly charging/discharging functions, a can housing the electrode assembly, a cap assembly that includes a cap plate closing up an open part of the can, and a safety vent having an asymmetric track shape that is provided in the cap plate of the cap assembly.

Abstract: Provided is a white organic light emitting device (OLED). The white OLED includes a double cavity structure in which a first region and a second region are defined based on a transparent common electrode using a top emission method. A green phosphorescence or fluorescence emission layer is disposed in the first region, a blue fluorescence emission layer is disposed in the second region, a red emission layer is optionally disposed in the first region or the second region, and an optical path control layer (OPCL) for widening color gamut is disposed in a region in which green light and blue light are emitted so that color coordinates are not greatly changed due to a change in thickness of the OPCL and white light having good quality is obtained.

Abstract: Disclosed are an organic electro luminescence display and a driving method of the same. The present invention provides an organic electro luminescence display including a pixel unit for displaying an image to correspond to a scan signal, a light emission control signal and a data line. The image is composed of a plurality of frames. The organic electro luminescence display of the present invention includes a scan driver for supplying the scan signal and the light emission control signal to the pixel unit, a data driver for generating a data signal with a video data to supply the generated data signal to the pixel unit, a control unit for controlling a pulse width of the light emission control signal using a frame data which is the sum of the video data inputted to one frame and controlling one frame time according to the size of the frame data, and a power supply unit for supplying a first power and a second power to the pixel unit.

Abstract: A negative active material for a rechargeable lithium battery, a method of preparing the negative active material, and a rechargeable lithium battery including the negative active material. The negative active material for a rechargeable lithium battery includes lithium titanium oxide (Li4Ti5O12) having a tap density of about 1.2 g/cc to 2.2 g/cc. The lithium titanium oxide is prepared by a mechano-chemical treatment and a heat treatment at a low temperature of about 650° C. to 775° C. According to the present invention, lithium titanium oxide having high crystallinity and tap density can be prepared through a simple and low-cost solid-phase method, e.g., a mechano-chemical treatment, and thus an electrode with excellent electrochemical reactivity and high energy density per volume can be fabricated.

Abstract: A display device includes a plurality of pixels, each of said plurality of pixels includes a driving transistor and a light emitting diode, a compensator to receive first and second pixel currents generated by the plurality of pixels according to first and second data voltages respectively applied to the plurality of pixels, the compensator to calculate an image data compensation amount to compensate for variations in characteristics of the driving transistor of each of said plurality of pixels and a data selector to transmit the first and second data voltages to the plurality of pixels and to transmit the first and second pixel currents to the compensator, the compensator to measure the first and second pixel currents generated as a result of the first and second data voltages corresponding to different gray scale levels and to calculate an actual threshold voltage and mobility of the driving transistor of each of the pixels, the compensator including a measurement resistor, the compensator to control a resi

Abstract: The present invention relates to a secondary battery and a method of fabricating the same. In a secondary battery according to an embodiment of the invention, holding members for holding a molded resin member are formed on a cap plate of a bare cell, which prevents the molded resin member from being distorted or detached from the cap plate of the bare cell when battery parts, such as a protection circuit board and a secondary protection element, are coupled to the bare cell by the molded resin member.

Abstract: A crystalline carbon material with controlled interlayer spacing and a method of manufacturing the crystalline carbon material are disclosed. The crystalline carbon material has peaks of a (002) plane at 2?=23°±5.0° and 2?=26.5°±1.0° when X-ray diffraction is measured using a CuK? ray. The peak height at 2?=23°±5.0° is higher than the one at 2?=26.5°±1.0°.