Abstract: Provided is a method of driving a liquid crystal display apparatus, and more particularly, to a method of generating a frame start pulse signal for instructing driving of a specific function of a source driver in a source driver chip of a liquid crystal display apparatus. Accordingly, by generating a frame start pulse signal for instructing driving of a specific function of a source driver in a source driver chip unlike a conventional method where the frame start pulse signal is externally input, it is possible to reduce the number of input pins for inputting the frame start pulse signal and to remove an input line for inputting the frame start pulse signal in a process of mounting the source driver chip in a printed circuit board.

Abstract: A pad layout structure of a driver IC chip to be mounted to a liquid crystal display panel. The pad layout structure includes power pad sections placed at respective four corners of the driver IC chip and each having a first power pad for supplying first power to the driver IC chip, a second power pad for supplying second power to the driver IC chip, a third power pad for supplying third power to the driver IC chip and a fourth power pad for supplying fourth power to the driver IC chip.

Abstract: A method for routing gamma voltages in a flat panel display that includes a plurality of source driver integrated circuits (SDICs) each having a plurality of gamma buffers. The method includes forming routing lines to route a plurality of gamma voltages; connecting the routing lines to output terminals of the gamma buffers; applying the reset gamma voltage to the gamma buffer of selected SDIC after selecting the SDIC in which the gamma voltage is required to be reset in consideration of heating values of the SDICs, and changing connection between a routing line corresponding to the selected gamma buffer and a tap point of a resistor string of the SDIC such that the connection corresponds to the reset gamma voltage.

Abstract: Disclosed is a power supply line in which a voltage drop generated in a resistance component of a metal line which delivers a power voltage is minimized so that the level of the power supply voltage delivered to a semiconductor chip becomes constant in the entire area of the semiconductor chip. The semiconductor chip includes: at least two power supply pads to which a power voltage applied from an external unit of the semiconductor chip is supplied; power supply main metal lines connected to each of the power supply pads; power supply branch metal lines extended from each of the power supply main metal lines to deliver a power voltage to a circuit in the semiconductor chip; and at least an electrostatic discharge (ESD) improvement dummy pad, wherein the ESD improvement dummy pad is electrically connected to the corresponding power supply main metal line and the corresponding power supply branch metal line to minimize a voltage drop.

Abstract: To select a shoulder-tap method or a set of methods that optimizes the delivery of a shoulder-tap with respect to feasibility, reliability, and cost, in accordance with the present invention. Each shoulder-tap method can be evaluated on its feasibility, reliability and cost. A shoulder-tap method can be selected and used that optimizes reliability and cost with respect to feasibility constraints.

Abstract: A display driving circuit and method is capable of minimizing the residual image of a display panel as well as consumption electric current. The display driving circuit generates driving signals corresponding to valid data and black data and transmits the driving signals to a display panel, and includes N data selection switches (where N is the integer), N buffers, N buffer output selection switches, and multiple charge sharing switches. The N data selection switches select one of the valid data and the black data. The N buffers buffer the signal selected by the respective data selection switches. The N buffer output selection switches switch outputs of the buffers to output the respective driving signals. The multiple charge sharing switches connect the neighboring pairs of the driving signals.

Abstract: A method of removing offsets between channels of a liquid crystal panel is provided. The method includes: alternately arranging first type output buffers and second type output buffers for driving the pixels in units of at least two rows of the pixels; and arranging the first type output buffers and the second type output buffers in units of at least two columns of the pixels so that the output buffers with types opposite to those of previous two columns are arranged. The second type output buffers are embodied by switching connections among the differential transistors and connections among the load transistors in the first type output buffers.

Abstract: The present invention a method for assigning a temporary dialable number to a device having a non-dialable number so that the device may have the capability to be connected with, such as in being called back. In addition to the numerous benefits provides by the present invention, mobile device user in particular, are provided benefits to enable the health, safety and security of individuals who utilize emergency-based systems that do not have a dialable mobile device number (MDN) by the present invention.

Abstract: Provided is a pad layout structure of a semiconductor chip capable of preventing lead-broken problems when packaging the semiconductor chip with a high aspect ratio in a tape carrier package (TCP). In the pad layout structure of the semiconductor chip, a plurality pads are arranged along upper, lower, left and right sides of the semiconductor chip with a high aspect ratio, and a longitudinal width of pads arranged at the left and right sides and a transverse width of pads arranged at both edges of the upper and lower sides are greater than a transverse width of pads arranged at centers of the upper and lower sides.

Abstract: A circuit breaker having a stopping groove engaged with part of the main shaft and a rebound preventer rotatably installed in the circuit breaker. The stopping groove includes first and second contact surfaces contactable with the part of the main shaft upon the rotation of the main shaft. Further, an extending line of a force applied from the part of the main shaft to the second contact surface passes through the center of the rotation of the rebound preventer upon a reverse rotation of the main shaft.

Abstract: Provided is a technology for preventing noisy data from being displayed before valid data is inputted when power is turned on in a liquid crystal display.

Abstract: Provided is a pad layout structure of a semiconductor chip capable of preventing lead-broken problems when packaging the semiconductor chip with a high aspect ratio in a tape carrier package (TCP). In the pad layout structure of the semiconductor chip, a plurality pads are arranged along upper, lower, left and right sides of the semiconductor chip with a high aspect ratio, and a longitudinal width of pads arranged at the left and right sides and a transverse width of pads arranged at both edges of the upper and lower sides are greater than a transverse width of pads arranged at centers of the upper and lower sides.

Abstract: A pad layout structure of a driver IC chip of a liquid crystal display device includes dummy power pads and dummy ground pads, which are disposed in corners of the driver IC chip and are connected to main power pads and main ground pads by metal lines in a chip-on-film (COF) package. Accordingly, it is possible to reduce the resistance of power supply lines and ground lines, to minimize a power dip of a block located far away from the main power pads and main ground pads, and to prevent a failure in power application, which may occur due to a decrease of adhesive strength at a specific position, by dispersing the adhesion positions of the power pads and ground pads.

Abstract: Provided is a pad layout structure of a semiconductor chip capable of preventing lead-broken problems when packaging the semiconductor chip with a high aspect ratio in a tape carrier package (TCP). In the pad layout structure of the semiconductor chip, a plurality pads are arranged along upper, lower, left and right sides of the semiconductor chip with a high aspect ratio, and a longitudinal width of pads arranged at the left and right sides and a transverse width of pads arranged at both edges of the upper and lower sides are greater than a transverse width of pads arranged at centers of the upper and lower sides.

Abstract: A system and method for enabling a service provider to select one or more digital cellular markets to receive a broadcast page, wherein each digital cellular market provides wireless communication services to a geographic region. The service provider to generate a broadcast page indicating a Virtual Device Identifier, the Virtual Device Identifier associated with a plurality of remote devices in each of the digital cellular markets selected, and wherein each of the remote devices includes a Primary Device Identifier uniquely identifying the remote device within the digital cellular markets, and wherein each of the remote devices further includes the Virtual Device Identifier associated with the plurality of remote devices. The service provider to further send the broadcast page to each digital cellular market selected, for transmission to the remote devices to send a message to remote devices having the Virtual Device Identifier.

Abstract: Disclosed is an interlock apparatus for a move-out type circuit breaker, capable of automatically discharging elastic energy charged in a closing spring and a trip spring when a main body of the circuit breaker is moved-in or moved-out, the apparatus including, a releasing protrusion member fixed to a predetermined position on a path that the circuit breaker is moved-in or moved-out and protruded upwardly from the predetermined position, an automatic releasing mechanism configured to be moved up by coming in contact with the releasing protrusion member upon moved-in or moved-out the circuit breaker to thereby drive a latching mechanism for latching the closing spring and the trip spring in a charged state to the release position.

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: An LCD driving circuit includes a first buffer configured to have a terminal for a first voltage, a terminal for a second voltage and a terminal for an intermediate voltage between the first voltage and the second voltage, and be driven in a range from the first voltage to the intermediate voltage; and a second buffer configured to have a terminal for the first voltage, a terminal for the second voltage and a terminal for the intermediate voltage, and be driven in a range from the intermediate voltage to the second voltage. The terminal for the intermediate voltage of the first buffer and the terminal for the intermediate voltage of the second buffer are connected with each other, and the first voltage is a highest voltage, the second voltage is a lowest voltage, and the intermediate voltage is in a range from the first voltage to the second voltage.

Abstract: A display driving circuit and method is capable of minimizing the residual image of a display panel as well as consumption electric current. The display driving circuit generates driving signals corresponding to valid data and black data and transmits the driving signals to a display panel, and includes N data selection switches (where N is the integer), N buffers, N buffer output selection switches, and multiple charge sharing switches. The N data selection switches select one of the valid data and the black data. The N buffers buffer the signal selected by the respective data selection switches. The N buffer output selection switches switch outputs of the buffers to output the respective driving signals. The multiple charge sharing switches connect the neighboring pairs of the driving signals.

Abstract: A liquid crystal display driving circuit and method. A data register block of a controller applies in advance a polarity control signal to data before the data are stored in latches of a data driver, exchanges the data, and then stores the exchanged data in the latches. Thereby, it is possible to provide multiplexers, which are otherwise required for respective channels, to one controller and to decrease the size of a chip.