Abstract: An electro-luminescence (EL) display device includes an electro-luminescence display panel including a plurality of pixels arranged in a matrix form at pixel areas defined by intersections between gate lines and data lines, each of the pixels having an EL cell connected to a first voltage source and a cell driver, the cell driver connected to a respective one of the gate lines and a respective one of the data lines and connected between a second voltage source and the EL cell, and a pre-charger for pre-charging a storage capacitor in the cell driver into a first pre-charge voltage using a pre-charge voltage source and then floating the respective data line in a pre-charge period prior to an application of a data signal, thereby arriving at a second pre-charge voltage by a discharge of the first pre-charge voltage of the storage capacitor.

Abstract: An electronic device. A host connected to a display device is equipped with a communication module and an index module. The host is operative between a first mode (ON) and a second mode (OFF). The communication module comprises a first and second communication units. The index module comprises a first index unit connected to the host and a second index unit connected to the communication module. When the host is “ON”, the host is controlled by the first index unit and/or the second index unit. When the host is “OFF”, the first communication unit and/or the second communication unit is/are controlled by the second index unit, and thus the user can still manually perform phone, modem and facsimile functions.

Abstract: An optical pointing device includes a variable frame rate controller to reduce power consumption. Frame rate can be varied through analog devices by varying the reference current, or through digital devices by varying the length of time between successive frames. The variable frame rate controller can accept input from various measurements such as velocity of the device, or a spatial frequency of the surface on which the device is situated.

Abstract: A display driver which drives at least a plurality of scan lines of a liquid crystal device which has a plurality of data lines and a plurality of pixels in addition to the scan lines, the display driver including a plurality of scan drive cells; a plurality of scan order registers; and a plurality of coincidence detection circuits. Each of the scan drive cells drives one of the scan lines. Each of the scan order registers is connected to one of the coincidence detection circuits, and stores a scan order address which is used to show a scan order. Each of the coincidence detection circuits is connected to one of the scan drive cells, and outputs a result of comparison of the scan order address stored in each of the scan order registers with a scan line address designated by a scan control signal, to one of the scan drive cells.

Abstract: The invention provides a display apparatus having a temperature sensor and a step-up circuit generating a drive voltage of the display apparatus by stepping up a power source voltage. The temperature sensor provides temperature data indicative of the temperature of the display panel with a reduced measurement error without limiting the operation of the step-up circuit. To do so, in view of the fact that the step-up circuit has alternating active state in which the circuit is stepping up a source voltage to output a required step-up voltage and inactive state in which no stepping operation is made, the temperature sensor is adapted to obtain temperature data while the step-up circuit is inactive. The temperature data obtained is supplied to a temperature compensation means for changing the drive condition setting value that define the drive condition of the display panel to compensate for the temperature change.

Abstract: The present method is to drive a plasma display panel which displays a frame composed of a plurality of sub-fields having different weights of luminance. The method comprises using plural kinds of application voltage waveforms different in light emission luminance, as pulse voltages for sustain discharges in display of each sub-field, and adjusting the number of waves in each of the plural kinds of application voltage waveforms according to the weight of luminance set for each sub-field, thereby performing gradation display.

Abstract: The present invention can provide a driving apparatus capable of compensating an influence of a voltage drop at low costs in a simple manner, which includes: a column driver circuit that generates at least one of modulation signals different in start reference time in one horizontal scanning period and the modulation signals obtained by using pulse width modulation and voltage amplitude modulation in combination; and a correction circuit that corrects a voltage of the row selection signal so as to suppress a voltage variation of the row selection signal, which is caused due to at least a resistance of an output stage of the row driver circuit and a current caused to flow into the resistance.

Abstract: An input device is provided that has tactile features for assisting a user with locating an actuator and/or that has features for avoiding inadvertent actuation of an actuator. The input device may include a digital pen having an actuator disposed along a shaft of the pen at a location generally beyond the grip region, and/or an actuator recessed within an outer diameter of the pen shaft. The digital pen may include tactile features for indicating the actuator region of the pen within which the actuator is located. A method is also provided for identifying an actuator or actuator region of an input device.

Abstract: A display apparatus includes a display portion and a control portion, and effects color display depending on image signals for three colors. The control portion includes means 10, into which the image signals for three colors are inputted, for generating a first display signal for determining a brightness of predetermined one color at the display portion and second display signals for determining a hue of other two colors or an intermediary color therebetween at the display portion.

Abstract: A cursor control device has an input signal reader adapted to read an input signal created by movement of a surface there across, and a signal processing component adapted to process the input signal from the reader and to communicate a corresponding signal to a controller that is directly proportional to the input signal. The device remains in a substantially constant position relative to an active hand of a person when the person is using the active hand to operate a second device.

Abstract: In general, the invention is directed to techniques by which visual data is mapped to one or more display devices as a function of the positions of the display devices. The invention may support mapping of visual data to any number of display devices, which may cooperate to display the visual data as if the display devices were a single, large display device. In addition, the invention supports dynamic monitoring of the positions of display devices, with the visual data being mapped to a display device changing as the position of each display device changes.

Abstract: A liquid crystal display and a driving method thereof. A liquid crystal is disposed between a first substrate and a second substrate, and R, G, and B color lights are sequentially applied to a plurality of pixels. A first common voltage and a first gray scale waveform corresponding to first gray scale data are applied to a first pixel in a field of a current frame, and a gray scale having a level half-way between gray scale levels of the first and second gray scale data is displayed by applying a second common voltage and a second gray scale waveform corresponding to the second gray scale data in the field of a next frame. The gray scale levels of the first and second gray scale data are different from each other by one level. By displaying gray scales having half-way levels, a milder screen having more smooth transitions between pixel intensities can be realized.

Abstract: A display may be driven to compensate for the effects of aging on the display. In particular, the temperature of the display may be determined on an ongoing basis and utilized to further correct total integrated charge for temperature effects.

Abstract: In the initializing period of each of sub-fields comprising one field, one of all-cell initializing operation and selective initializing operation is performed. The all-cell initializing operation causes initializing discharge in all the discharge cells for displaying an image. The selective initializing operation selectively causes initializing discharge only in the discharge cells subjected to sustaining discharge in the preceding sub-field. During initializing discharge using scan electrodes as anodes, and using sustain electrodes and data electrodes as cathodes in the all-cell initializing period, applying, to the data electrodes, a voltage for delaying discharge using the data electrodes as the cathodes, after discharge using the sustain electrodes as the cathodes.

Abstract: The display control device that causes a display screen to display predetermined image information includes; a display adjustment signal superimposing unit that superimposes a display adjustment signal for adjusting the timing of displaying a pixel in accordance with image information, on a portion of a signal corresponding to a region outside the display screen on a horizontal scanning line; an image signal sampling unit that performs sampling for an image signal in accordance with the image information in predetermined sampling timing; a display control unit that performs display control for the pixel, using a value obtained through the sampling performed by the image signal sampling unit; a display adjustment signal sampling unit that performs sampling for the display adjustment signal in predetermined sampling timing; an optimum display timing detecting unit that detects optimum timing of displaying the pixel by changing the sampling timing in the display adjustment signal sampling unit, based on a value

Abstract: A liquid crystal display device which favorably displays an image by eliminating irregularities of the ? characteristic for every manufactured liquid crystal panel. In the liquid crystal display device, when a power source is supplied thereto, a display control circuit installed therein reads out gradation voltage data corresponding to the liquid crystal panel stored in a ROM connected to the display control circuit and sets gradation voltages in a gradation voltage setting circuit installed therein. Further, upon receiving external control signals, the display control circuit sets gradation voltages in the gradation voltage setting circuit. When the set gradation voltages are inputted to a source driver section of the liquid crystal display device, the liquid crystal panel is driven and images are displayed thereby.

Abstract: A display device which makes it possible to shorten a selection period per pixel while compensating variations in a threshold voltage of the driving transistor, and a method for driving the same are achieved. In a pixel circuit Aij, a potential wire Ui is set to a potential Vcc, a voltage of a gate wire Gi becomes Low, a voltage of a control wire Ri becomes High, and a voltage of a control wire Pi becomes High, so that a gate terminal of a driving TFT: Q1 has a potential of a data wire Dj. Moreover, a voltage of the gate wire Gi becomes High so as to compensate a threshold voltage of the driving TFT: Q1. Thereafter, a voltage of the control wire Pi becomes Low, and the potential wire Ui is set to a potential Vc, so that a voltage of a capacitor C1, i.e., a gate-source voltage of the driving TFT is changed. This causes a voltage of the control wire Ri to be Low, so that a driving current is flown into an organic EL: EL1.

Abstract: A method for inputting characters to a mobile communication apparatus is disclosed. The method comprises the steps of: enabling input of strokes representing a first character in a first area of a touch sensitive display; determining said first character from said strokes; determining one or more candidates of characters for word association with said first character; presenting said one or more candidates on the display; and enabling selection among said one or more candidates. A mobile communication apparatus comprising means for inputting characters is also disclosed.

Abstract: A power supply device of a video display apparatus and a method thereof is capable of improving operation reliability of a video display apparatus, preventing erratic operation of the video display apparatus caused by higher harmonics and preventing erratic operation of other apparatus caused by unnecessary transmitted radiative wave. The power supply device can include a rectifying section for converting AC power into DC power, a harmonics suppressor for cutting off higher harmonics included in the DC power and a smoothing circuit for smoothing the higher harmonics cut-off DC power. A standby power supplier is for supplying the smoothed DC power to the video display apparatus as standby power, a main power supplier is for supplying the smoothed DC power to the video display apparatus as main power and a control unit is for controlling an operation of the harmonics suppressor.

Abstract: A touchpad stylus includes a housing, a stylus member axially moveable in the housing, and an energy-absorbing cushion member interposed between a rear extremity of the stylus member and an internal cavity of the housing, the cushion member lightly forwardly biasing the stylus member relative to the housing. The stylus member has a smoothly spherical tip extremity, and the device avoids impact damage to fragile outer membranes of existing touchpad devices because the full mass of the housing is isolated from impact with the touchpad, the stylus member itself having very significantly less mass than an aggregate mass of the complete assembly.