Abstract:
Disclosed herein is a search word link advertisement system including: an advertisement executing unit determining a search word link advertisement based on search words input during a matching period and exposing the determined search word link advertisement to provide the advertisement; a log recording unit storing a history of the determined search word link advertisement; and a matching period adjusting unit determining a transmission amount of search word link advertisement at any point in time or periodically in a state in which the search word link advertisement is provided and optimizing and adjusting the matching period according to the determined transmission amount.
Abstract:
A display device includes a light emitting element to emit light having an intensity that varies depending on a magnitude of a driving current, a capacitor connected between a first node and a second node, a driving transistor having an input terminal connected to a first voltage, an output terminal, and a control terminal connected to the second node, a first switching unit to connect a data voltage and a second voltage to the first node, a second switching unit to switch a connection between the second voltage and the second node, a third switching unit to connect the second node and the light emitting element to the output terminal of the driving transistor, and a fourth switching unit to switch a connection between the control terminal and the input terminal of the driving transistor.
Abstract:
A semiconductor memory device can optimize the layout area and current consumption based on multi-phase clock signals which are generated by dividing a source clock signal using a reset signal without a delay locked loop and a phase locked loop in order to have various phase information of low frequencies and different activation timings with a constant phase difference.
Abstract:
Circuit and method for recovering clock data in highly integrated semiconductor memory apparatus includes a plurality of signal receiving units configured to receive signals through a plurality of input/output pads and transfer the signals according to a receiving reference clock, the signal receiving units being divided into groups, a plurality of phase detection units configured to detect phases of signals output from the groups of the signal receiving units, a plurality of phase detection control units configured to control the phase detection units so that the phase detection units sequentially detect the phases of the signals output from each of the groups of the signal receiving units and a notification unit configured to output signals output from the phase detection units.
Abstract:
A latency control circuit includes: a delay locked loop (DLL) configured to generate a DLL clock signal by delaying a clock signal by a delay time varied according to any one of dual locking points, and generate a loop change signal according to a locking point change; a control unit configured to generate a latency control signal in response to a reset signal, a delay signal generated by delaying the reset signal by a first delay time, and the loop change signal; and a latency signal generation unit configured to adjust a latency of a command signal in response to the latency control signal and output a latency signal.
Abstract:
An LCD and a driving method thereof include: data writing for applying a common voltage and a data voltage to a plurality of pixels; and sustaining for applying a shifted common voltage shifted by a predetermined level from the common voltage to the plurality of pixels for a sustain period during which the plurality of pixels emit light, corresponding to the data voltage. The shifted common voltage is shifted to an opposite polarity of a polarity of a gate-off voltage applied to the plurality of pixels to float the plurality of pixels. During a sustain period, a gate-source voltage of the switching transistor can be increased, and accordingly an influence due to the leakage current can be minimized, thereby preventing image deterioration. Further, since capacitance of the sustain capacitor can be reduced so that power consumption of the LCD can be reduced.
Abstract:
A data clock frequency divider circuit includes a training decoder and a frequency divider. The training decoder outputs a clock alignment training signal, which is indicative of the start of a clock alignment training, in response to a command and an address of a mode register set. The frequency divider, which is reset in response to an output of the training decoder, receives an internal data clock to divide a frequency of the internal data clock in half. The data clock frequency divider circuit secures a sufficient operating margin so that a data clock and a system clock are aligned within a pre-set clock training operation time by resetting the data clock to correspond to a timing in which the clock training operation starts, thereby providing a clock training for a high-speed system.
Abstract:
An integrated RF card reader includes an integrated RF transmission unit including a Felica chip and a Felica security unit performing a security function that is needed to process a Felica type RF card where an RF function is removed. Since a variety of types can be embodied through a single RF transmission circuit by using the integrated RF card reader, a manufacturing cost can be reduced.
Abstract:
Provided are a system and method for providing a wireless network service to a user terminal free of charge, by providing a doorway page for exposing an advertisement on the user terminal provided with the wireless network service through an access point. Accordingly, the user terminal may be provided with the wireless network service free of charge, other than the cost of viewing the advertisement exposed on the doorway page. An advertiser and a proprietor may expose the advertisement at the cost of providing the free wireless network service.
Abstract:
A liquid crystal display apparatus and a method of driving the liquid crystal display apparatus, which commonly boosts pixels of a first group and commonly boosts pixels of a second group. The liquid crystal display apparatus includes a first group of pixels for displaying an image and a second group of pixels for displaying an image. Each pixel of the first and second groups includes a storage capacitor for storing a data voltage. The liquid crystal display apparatus further includes a first storage common voltage line connected to storage capacitors of the pixels of the first group of pixels, a second storage common voltage line connected to storage capacitors of the pixels of the second group of pixels. A first storage common voltage is supplied to the pixels of the first group through the first storage common voltage line, and a second storage common voltage is supplied to the pixels of the second group through the second storage common voltage line.