Abstract: The present invention relates to a preparing process an organic-inorganic composite polymer membrane for fuel cell by using sol-gel process. At this time, it is characterized in that when a sulfonated hydrocarbons polymer having ion conductivity is cast with film shape, sol-gel process which enables to distribute an inorganic matter having an excellent cation exchange and moisture holding capacity homogeneously is used. With homogeneous introduction of an inorganic matter into a polymer matrix by sol-gel process according to the present invention, it is possible to improve a phenomenon that an inorganic matter is partially concentrated at some position, thereby enabling to obtain an ion conducting organic-inorganic composite polymer membrane having an excellent ion conductivity.

Abstract: A TFT having a dual buffer structure, a method of fabricating the same, and a flat panel display having the TFT, and a method of fabricating the same are provided. The TFT includes a first buffer layer formed of an amorphous silicon layer on a substrate, a second buffer layer formed on the first buffer layer. The TFT also includes a semiconductor layer formed on the second buffer layer and a gate electrode formed on the semiconductor layer. The dual buffer structure provides better barrier to impurities diffusing from the substrate, and also acts as a black matrix to reduce unwanted reflections and is a source of hydrogen to passivate other layers.

Abstract: Provided are a cluster system, which makes general nodes appear as if they provide seamless services without failure when seen from the outside, and a method for operating the cluster system. The cluster system for operating individual nodes in a distributed management manner includes a board server having a task board registered with a task list, an agent server for managing the task board, and a plurality of general server nodes for performing a corresponding task on the basis of the task list, among which a failed general server node is replaced with another normal general server node.

Abstract: A method of varying a transmittance of a transparent conductive film includes forming the transparent conductive film on a substrate and injecting a high energy source into the transparent conductive film to vary the transmittance of the transparent conductive film.

Abstract: Provided are a system and a method for distributing multimedia streaming service request based on wide area network which can efficiently support multimedia streaming service in wide area network. The system for distributing multimedia streaming service request based on wide area network includes a user terminal, a wide area server, and a local server. The user terminal requests multimedia streaming service. The wide area server for selecting a local server which is disposed nearest to the user terminal and has node availability and service availability, and providing contents requested by the user terminal to the selected local server. The local server provides the multimedia streaming service to the user terminal using the contents provided from the wide area server.

Abstract: Provided is an availability prediction method for a high availability. The method includes calculating a basic survival probability that the other node survives until a failure on one node of two nodes constituting a cluster is fixed, and determining an optimal number of nodes meeting a preset reference availability probability by calculating an availability probability for a predetermined range of the number of nodes on the basis of the basic survival probability. The method determines the number of nodes in the high availability cluster so as to match a reference availability probability, and is able to accomplish an optimal configuration of a cluster by calculating the availability probabilities for combinations between active node and passive nodes and between head nodes and switches.

Abstract: Provided are a large-scale cluster monitoring system and a method for automatically building/restoring the same, which can automatically build a large-scale monitoring system and can automatically build a monitoring environment when a failure occurs in nodes. The large-scale cluster monitoring system includes a CM server, a BD server, GM nodes, NA nodes, and a DB agent. The CM server manages nodes in a large-scale cluster system. The DB server stores monitoring information that is state information of nodes in groups. The GM nodes respectively collect the monitoring information that is the state information of the nodes in the corresponding groups to store the collected monitoring information in the DB server. The NA nodes access the CM server to obtain GM node information and respectively collect the state information of the nodes in the corresponding groups to transfer the collected state information to the corresponding GM nodes.

Abstract: Disclosed herein is a multi-step hinge. The hinge includes a housing. A rotary member is rotatably installed inside of the housing. The rotary member has a retainer groove formed in the outer circumferential face thereof. A stopper is slidably installed at either side of the rotary member inside of the housing. The stopper has a retainer protrusion formed so as to be engaged with the retainer groove. A resilient member is disposed between the housing and the stopper. A portable terminal having the multi-step hinge is also disclosed.

Abstract: A method of varying a transmittance of a transparent conductive film includes forming the transparent conductive film on a substrate and injecting a high energy source into the transparent conductive film to vary the transmittance of the transparent conductive film.

Abstract: An etching apparatus includes: an etching chamber; a piping unit disposed in an upper portion of the etching chamber and including a plurality of nozzles via which an etchant is sprayed; a substrate mask disposed below the piping unit; and a transfer unit disposed below the substrate mask and used to transfer a substrate. The substrate mask interposed between the piping unit including the nozzles and the substrate has a mesh structure or a plurality of holes or slits. Thus, the generation of microbubbles can be prevented during a wet etching process so that a thin layer formed on the substrate can be etched at a uniform etch rate. Also, a lift unit having a fixing unit may be disposed on a lateral surface of the substrate mask. The lift unit moves the substrate mask up and down so as to obtain a uniform etch rate.

Abstract: A color-changing adsorption fabric is provided to identify an adsorption state of a type of chemical, e.g., acid, alkali or organic matter, the color change being generated through a chemical reaction between chemical solution and pH-indicator material after wiping the chemical solution with the fabric. An adsorption fabric used in wiping the chemical solution may include a material, whose color changes when contacting an acid, alkali or organic matter, thereby identifying a type of chemical solution and thus preventing or reducing a fire occurrence. The color change of the adsorption fabric used in wiping a chemical solution may be identified with the naked eye so that separating and disposing the used-adsorption fabric corresponding to a type of chemical may be easier.

Abstract: A terminal and method for outputting information are provided. The method includes the terminal performing a broadcast-related operation, outputting information having an output amount while performing the broadcast-related operation and subsequently outputting an amount of the information that was not output during the broadcast related operation when the broadcast-related operation is completed. Therefore, it is possible to fully provide useful information to the user during a wait time generated in connection with a broadcast mode.

Abstract: A mobile communication terminal including an input unit, a display unit, a receiving unit configured to receive a signal including at least one interactive function, a memory configured to store at least one symbol indicating a type of the at least one interactive function, and a control unit configured to detect the type of the interactive function included in the signal received by the receiving unit, to search the memory for the symbol indicating the at least one interactive function, to control the display unit to display the searched symbol, and to control an operation of the interactive function according to a signal provided via the input unit.

Abstract: Disclosed herein is a multi-step hinge. The hinge includes a housing. A rotary member is rotatably installed inside of the housing. The rotary member has a retainer groove formed in the outer circumferential face thereof. A stopper is slidably installed at either side of the rotary member inside of the housing. The stopper has a retainer protrusion formed so as to be engaged with the retainer groove. A resilient member is disposed between the housing and the stopper. A portable terminal having the multi-step hinge is also disclosed.

Abstract: The present invention provides a cell or stack for evaluating the performance of a fuel cell and a method of evaluating the performance of the fuel cell using the cell or stack, in which a semiconductor thermoelectric device, attached to the side surface of the unit cell or stack of the fuel cell, is provided so as to evaluate the performance of the fuel cell in an environment in which temperature is maintained at a uniform temperature. According to the present invention, the temperatures of an anode and a cathode of the fuel cell can be precisely changed or maintained. Further, the performance of the fuel cell can also be measured in sub-zero temperature conditions without requiring a separate environmental chamber. A rate of temperature decrease, at which the temperature decreases to a certain sub-zero temperature, or a rate of temperature increase can be precisely controlled.

Abstract: An air bag cushion includes a lower chamber including at least one bottom panel and defining a lower space by an introduced gas, and an upper chamber including a plurality of top panels and a volume control panel and combined with the lower chamber, the volume control panel being disposed in at least any one of spaces between the top panels and defining an upper space together with the top panels.

Abstract: Disclosed is an electrocatalyst for fuel cells, in which a porous carbon material including pores having a diameter smaller than a kinetic diameter of carbon monoxide is used as a support body and contact probability between an activated metal and carbon monoxide is decreased, thereby preventing fuel cell performance from being degraded by carbon monoxide. The electrocatalyst is obtained by adsorbing 10-80 parts by weight of an activated metal to 20-90 parts by weight of a porous support body, characterized in that the porous support body has a total surface area of 200-2,500 m2/g including an outer surface thereof and an inner surface of pores thereof, and has a plurality of pores penetrating into an interior of the support body with an average diameter of 2-15 nm and a total volume of 0.4-2.0 m3/g, and the activated metal is alloyed with 20-95 at % of platinum and 5-80 at % of one metal selected from among Ru, Sn, Os, Rh, Ir, Pd, V, Cr, Co, Ni, Fe and Mn.

Abstract: A method of manufacturing a display device reduces damage to pad electrodes. The method includes: forming a thin film transistor in a pixel area on a first substrate and simultaneously forming a pad electrode in a pad area on the first substrate; forming a first pixel electrode connected to the thin film transistor and simultaneously forming a pad protection layer covering the pad electrode; and exposing the pad electrode by removing the pad protection layer.

Abstract: Disclosed herein is a camera protection apparatus for preventing foreign matters from entering a camera. The protection apparatus includes a shield frame installed frontward of the camera lens and having a sliding space for opening the front side of the lens. A blade is slidably installed in the sliding space to open and close front side of the lens. The blade is formed with a protrusion. A rotary lever is rotatably coupled with the shield frame. The rotary lever has a central opening formed at the rotational center thereof for opening the front side of the lens. The rotary lever has a cam groove formed so as to be engaged with the protrusion such that rotation of the rotary lever causes the protrusion to move to open and close the blade. The camera protection apparatus exposes the camera when it is to be used, and otherwise to close the camera opening. Thus, foreign matters can be prevented from entering the camera.

Abstract: An organic light emitting display device (OLED) and a method of fabricating the same, in which electric field influence between first and second electrodes is reduced in an edge region of a unit pixel. The OLED includes a substrate, and a thin film transistor (TFT) located on the substrate. A passivation layer is located on the TFT over substantially an entire surface of the substrate, and has a via hole for exposing source or drain electrode, and a groove. A first electrode on the passivation layer is in electrical contact with the exposed source or drain electrode through the via hole, and has an edge located in the groove. A pixel defining layer is located on the first electrode and has an opening for exposing a predetermined portion of the first electrode. An organic layer is in contact with the predetermined portion, and a second electrode is formed on the organic layer.