Abstract: Disclosed herein are a catalyst for hydrocracking reaction of high molecular weight components in bio-oil, a method for preparing the same and a method for bio-oil upgrading using the same. The catalyst includes a zeolite carrier; and at least one metal selected from the group consisting of nickel (Ni), ruthenium (Ru) and cerium (Ce) supported on the carrier. The catalyst promotes the hydrocracking of high molecular weight compounds contained in the bio-oil, but also inhibits the polymerization reaction of the decomposed product, thereby more effectively enhancing the hydrocracking reaction of the bio-oil.

Abstract: A display driving circuit and a display device including the same are provided. The display driving circuit includes a source driver which applies source data to a display panel, a power supply unit which receives an external voltage from a power module to generate an internal voltage and a logic unit which is supplied with the internal voltage to control the source driver, wherein the logic unit includes a voltage variable determination logic which determines whether a supply voltage including the internal voltage and the external voltage is changed, thereby generating a voltage variable signal, and a voltage control logic which receives the voltage variable signal to change the supply voltage.

Abstract: A display driving circuit and a display device including the same are provided. The display driving circuit includes a source driver which applies source data to a display panel, a power supply unit which receives an external voltage from a power module to generate an internal voltage and a logic unit which is supplied with the internal voltage to control the source driver, wherein the logic unit includes a voltage variable determination logic which determines whether a supply voltage including the internal voltage and the external voltage is changed, thereby generating a voltage variable signal, and a voltage control logic which receives the voltage variable signal to change the supply voltage.

Abstract: A display driving circuit and a display device including the same are provided. The display driving circuit includes a source driver which applies source data to a display panel, a power supply unit which receives an external voltage from a power module to generate an internal voltage and a logic unit which is supplied with the internal voltage to control the source driver, wherein the logic unit includes a voltage variable determination logic which determines whether a supply voltage including the internal voltage and the external voltage is changed, thereby generating a voltage variable signal, and a voltage control logic which receives the voltage variable signal to change the supply voltage.

Abstract: A display driving circuit and a display device including the same are provided. The display driving circuit includes a source driver which applies source data to a display panel, a power supply unit which receives an external voltage from a power module to generate an internal voltage and a logic unit which is supplied with the internal voltage to control the source driver, wherein the logic unit includes a voltage variable determination logic which determines whether a supply voltage including the internal voltage and the external voltage is changed, thereby generating a voltage variable signal, and a voltage control logic which receives the voltage variable signal to change the supply voltage.

Abstract: A display driving circuit and a display device including the same are provided. The display driving circuit includes a source driver which applies source data to a display panel, a power supply unit which receives an external voltage from a power module to generate an internal voltage and a logic unit which is supplied with the internal voltage to control the source driver, wherein the logic unit includes a voltage variable determination logic which determines whether a supply voltage including the internal voltage and the external voltage is changed, thereby generating a voltage variable signal, and a voltage control logic which receives the voltage variable signal to change the supply voltage.

Abstract: A source driver for a display device includes a gamma voltage generation circuit, first through (2m)-th data driving circuits, and a switch circuit. The gamma voltage generation circuit generates R, G and B gamma voltages. The (2k?1)-th data driving circuits consecutively receive red image data and blue image data, and consecutively generate a R driving voltage and a B driving voltage using the R gamma voltages and B gamma voltages, respectively, during one horizontal period. The (2k)-th data driving circuits consecutively receive first green image data and second green image data, and consecutively generate a G1 driving voltage and a G2 driving voltage, respectively, using the G gamma voltages during the one horizontal period. The switch circuit outputs the R, B, G1, and G2 driving voltages through different data lines from each other based on a first selection signal and a second selection signal.

Abstract: A display driving device includes a digital-to-analog converter generating analog image data, a plurality of pads connected to a plurality of data lines included in a display panel, a buffer circuit having a plurality of buffers receiving the analog image data to generate a data voltage, a first switch connected between an output terminal of the plurality of buffers and the plurality of pads, and a second switch connected between an input terminal of the plurality of buffers and the digital-to-analog converter, and a controller turning the first switch off and turning the second switch on to set at least a partial output of the plurality of buffers as new data voltages when the data voltage is output to the plurality of data lines through the plurality of pads.

Abstract: A display driving circuit and a display device including the same are provided. The display driving circuit includes a source driver which applies source data to a display panel, a power supply unit which receives an external voltage from a power module to generate an internal voltage and a logic unit which is supplied with the internal voltage to control the source driver, wherein the logic unit includes a voltage variable determination logic which determines whether a supply voltage including the internal voltage and the external voltage is changed, thereby generating a voltage variable signal, and a voltage control logic which receives the voltage variable signal to change the supply voltage.

Abstract: An electronic device includes a first processor; and a second processor; and a third processor. The second processor is configured to detect an event, select one of the first and third processors to perform one or more operations associated with the event, and cause the selected processor to perform the one or more operations.

Abstract: A source driver for a display device includes a gamma voltage generation circuit, first through (2m)-th data driving circuits, and a switch circuit. The gamma voltage generation circuit generates R, G and B gamma voltages. The (2k?1)-th data driving circuits consecutively receive red image data and blue image data, and consecutively generate a R driving voltage and a B driving voltage using the R gamma voltages and B gamma voltages, respectively, during one horizontal period. The (2k)-th data driving circuits consecutively receive first green image data and second green image data, and consecutively generate a G1 driving voltage and a G2 driving voltage, respectively, using the G gamma voltages during the one horizontal period. The switch circuit outputs the R, B, G1, and G2 driving voltages through different data lines from each other based on a first selection signal and a second selection signal.

Abstract: A display driving device includes a digital-to-analog converter generating analog image data, a plurality of pads connected to a plurality of data lines included in a display panel, a buffer circuit having a plurality of buffers receiving the analog image data to generate a data voltage, a first switch connected between an output terminal of the plurality of buffers and the plurality of pads, and a second switch connected between an input terminal of the plurality of buffers and the digital-to-analog converter, and a controller turning the first switch off and turning the second switch on to set at least a partial output of the plurality of buffers as new data voltages when the data voltage is output to the plurality of data lines through the plurality of pads.

Abstract: A source driver for a display device includes a gamma voltage generation circuit, first through (2m)-th data driving circuits, and a switch circuit. The gamma voltage generation circuit generates R, G and B gamma voltages. The (2k?1)-th data driving circuits consecutively receive red image data and blue image data, and consecutively generate a R driving voltage and a B driving voltage using the R gamma voltages and B gamma voltages, respectively, during one horizontal period. The (2k)-th data driving circuits consecutively receive first green image data and second green image data, and consecutively generate a G1 driving voltage and a G2 driving voltage, respectively, using the G gamma voltages during the one horizontal period. The switch circuit outputs the R, B, G1, and G2 driving voltages through different data lines from each other based on a first selection signal and a second selection signal.

Abstract: A source driver for a display device includes a gamma voltage generation circuit, first through (2m)-th data driving circuits, and a switch circuit. The gamma voltage generation circuit generates R, G and B gamma voltages. The (2k?1)-th data driving circuits consecutively receive red image data and blue image data, and consecutively generate a R driving voltage and a B driving voltage using the R gamma voltages and B gamma voltages, respectively, during one horizontal period. The (2k)-th data driving circuits consecutively receive first green image data and second green image data, and consecutively generate a G1 driving voltage and a G2 driving voltage, respectively, using the G gamma voltages during the one horizontal period. The switch circuit outputs the R, B, G1, and G2 driving voltages through different data lines from each other based on a first selection signal and a second selection signal.

Abstract: An electronic device includes a first processor; and a second processor; and a third processor. The second processor is configured to detect an event, select one of the first and third processors to perform one or more operations associated with the event, and cause the selected processor to perform the one or more operations.

Abstract: Provided is a method and apparatus for controlling a plurality of memory devices. According to various embodiments of the present disclosure, there is provided an electronic device. The electronic device includes a first memory and a second memory, and a processor that is functionally connected with the first memory and the second memory. The processor is configured to determine at least one state associated with the electronic device, and allocate at least a partial area of one of the first memory and the second memory to at least some data of at least one process to be executed in the electronic device based on the at least one state. Other embodiments are possible.

Abstract: An oscillator includes a reference current generator to generate a reference current, a reference voltage generator to generate a reference voltage based on the reference current, a comparison voltage generator to generate a comparison voltage obtained by delaying and inverting a clock signal based on the reference current, and a clock signal generator to compare the comparison voltage with the reference voltage and generate the clock signal based on a result of the comparison.

Abstract: A method and apparatus is provided for security of an IP security tunnel using public key infrastructure, including the steps of receiving a request message which relates to a security service requested by a mobile node, determining if there is security association (SA) for the security service and determining if there is a public key related to a peer address when the SA does not exist, sending a certificate request message to a certificate authority (CA) when the public key does not exist and receiving a certificate response message which has a certificate that includes a public key.

Abstract: A system and method are provided for receiving various packet services using the same Internet protocol address in a wideband code division multiple access universal mobile telecommunication service system. A user equipment receives information corresponding to additional packet services from a short message server through a short message. The user equipment receives the additional packet services as well as a currently used packet service through the same Internet protocol address.

Abstract: A method and apparatus for providing a Virtual Private Network (VPN) service to a user equipment (UE) according to the Packet Data Protocol (PDP) type of call are provided. In the VPN service providing method, a Gateway GPRS Support Nodes (GGSN) receives a create PDP connection request message from a Serving GPRS Support Nodes (SGSN), for the VPN service of the UE, initializes a Point-to-Point Protocol (PPP) session if the call is an IP call, creates a layer 2 tunneling protocol (L2TP) tunnel with a layer 2 tunneling protocol (L2TP) network server (LNS), sets up a session, sets up a PPP connection with the LNS, and transmits a create PDP context response message to the service node, after the PPP connection.