Abstract: A liquid-crystal display includes a gate line, a gate driver supplying gate signals to the gate line, a source line, a source driver supplying source signals to the source line, a pixel electrode to which the source signals are applied via a pixel switching element connected to the source line, a liquid crystal disposed between the pixel electrode and a common electrode, a common electrode driver supplying common electrode signals to the common electrode, a capacitor disposed between the pixel electrode and a capacitor line, a driving circuit alternately changing the voltage level of the capacitor line between a first level and a second level, and a sequence control circuit.

Abstract: An electro-optical device includes pixels provided at intersections of a plurality of scanning lines and a plurality of data lines, a scanning line driving circuit for applying a selected voltage to the respective scanning lines, and a data line driving circuit for applying a turning-on voltage or a turning-off voltage to the respective data lines.

Abstract: An electro-optical device includes: a substrate; a plurality of wiring lines which is formed on the substrate; and an IC which is mounted on the substrate so as to be electrically connected to the plurality of wiring lines. At least a pair of wiring lines among the plurality of wiring lines include a first conductive layer formed on the substrate and a second conductive layer formed on at least the first conductive layer. The first conductive layer and the second conductive layer have different resistance values. The first conductive layer of one of the pair of wiring lines has a plurality of first resistors each extending toward the other wiring line, and the second conductive layer of the other wiring line has a second resistor extending toward the one wiring line. The plurality of first resistors is connected to the second resistor.

Abstract: A power-supply circuit includes a capacitor, which is connected to a terminal at a first end while being grounded at the second end, for supplying a hold voltage between both ends thereof to a load; a capacitor connected, via a diode, to the terminal at a first end; an operational amplifier for raising a voltage at the second end of the capacitor, in response to a reduction in the hold voltage, such that the hold voltage becomes equal to a target voltage; and a transistor.

Abstract: A controller includes a register storing a group of parameters including a driving-control parameter for controlling a data line driving circuit and a scanning line driving circuit, a parameter controller for updating values of the group of parameters stored in the register and for initializing the values of the group of parameters stored in the register when a reset signal RES is input, and a driving controller for controlling a data line driving circuit and a scanning line driving circuit in accordance with the driving-control parameter stored in the register. The driving controller controls the data line driving circuit and the scanning line driving circuit such that turn-off voltage is applied to a plurality of pixels after the parameter controller updates the values of the group of parameters by the reset signal.

Abstract: In accordance with an embodiment of the invention, a control unit of the electro-optical device performs black data insertion processing for all the pixels in a vertical retrace period and each of the pixels includes a first subpixel and at least one second subpixel. Accordingly, blur of a motion picture is suppressed (a motion picture is improved in visual quality) by the black data insertion processing while using the minimum number of switching devices in the pixel unit.

Abstract: An electro-optical device includes a plurality of scanning lines and a plurality of data lines, pixels arranged so as to correspond to intersections of the plurality of scanning lines and the plurality of data lines, and an electro-optical material in which a response speed at a time of halftone display is lower than those at a time of low-gray-scale-level display and at a time of high-gray-scale-level display. Each of the pixels includes at least two adjacent subpixels as a group. Each of the subpixels includes a pixel electrode, a common electrode arranged so as to face the pixel electrode, and a switching device which electrically connects a corresponding one of the data lines to the pixel electrode in accordance with a selection voltage supplied from a corresponding one of the scanning lines. The switching device is connected to the corresponding one of the scanning lines.

Abstract: An electro-optical apparatus is provided which corrects a voltage applied to a pixel with high accuracy. An electro-optical apparatus includes a correction circuit. When, for example, a positive-polarity selection voltage +VS is applied to a scanning line during the second-half period of one horizontal scanning period, the correction circuit detects a spike resulting from voltage switching from a voltage ?VD/2 to a voltage +VD/2 on the data lines, determines whether the level of the detected spike is a threshold level or more, and if a determination is made that the level of the detected spike is the threshold level or more, adds a pulse with the same polarity as that of the detected spike to a selection-voltage supply line in the second-half period following the first-half period.

Abstract: An image display includes the following components. A display panel has a plurality of pixels arrayed in a first direction and a second direction intersecting the first direction. A light source emits light toward the display panel. A polarization-axis control unit is disposed between the display panel and the light source. The polarization-axis control unit separates the light emitted from the light source into light having a first polarization axis and light having a second polarization axis different from the first polarization axis. An optical element is arranged between the display panel and the polarization-axis control unit. The optical element allows the light emitted from the light source to travel in a direction substantially orthogonal to the first direction.

Abstract: An image display device includes the following elements: a display panel that has a plurality of pixels arranged in a predetermined first direction and in a second direction intersecting with the first direction; a light source that emits light to the display panel; a polarization axis controller that separates the light emitted from the light source into light with a first polarization axis and light with a second polarization axis different from the first polarization axis, the polarization axis controller being disposed between the display panel and the light source; and an optical element that directs the light emitted from the light source in a direction substantially orthogonal to the first direction, the optical element being disposed between the display panel and the polarization axis controller.

Abstract: In a driving circuit for an electro-optical device in which a transmissive display mode and a reflective display mode can be switched, the driving circuit includes an image-processing circuit that converts image data for reflective display for the reflective display mode to image data for transmissive display for the transmissive display mode; and a control circuit that outputs the image data for the transmissive display converted by the image-processing circuit in the transmissive display mode, and stops driving the image-processing circuit to output the image data for the reflective display in the reflective display mode.

Abstract: An electro-optical device includes: a substrate; a plurality of wiring lines which is formed on the substrate; and an IC which is mounted on the substrate so as to be electrically connected to the plurality of wiring lines. At least a pair of wiring lines among the plurality of wiring lines include a first conductive layer formed on the substrate and a second conductive layer formed on at least the first conductive layer. The first conductive layer and the second conductive layer have different resistance values. The first conductive layer of one of the pair of wiring lines has a plurality of first resistors each extending toward the other wiring line, and the second conductive layer of the other wiring line has a second resistor extending toward the one wiring line. The plurality of first resistors is connected to the second resistor.

Abstract: A voltage supply circuit includes a first holding element with a first end and a second end that supplies a voltage held between the first end and the second end to a load, the second end being connected to a ground, and a second holding element with a first end and a second end, the first end of the second holding element being electrically connected to the first end of the first holding element. The voltage supply circuit also includes a charging circuit that charges the second holding element with a voltage higher than the voltage to be supplied to the load in a first mode, and a potential adjusting circuit that shifts a potential at the second end of the second holding element towards a potential at the first end of the first holding element according to the voltage held by the first holding element or the second holding element in a second mode exclusive with respect to the first mode.

Abstract: A controller includes a register storing a group of parameters including a driving-control parameter for controlling a data line driving circuit and a scanning line driving circuit, a parameter controller for updating values of the group of parameters stored in the register and for initializing the values of the group of parameters stored in the register when a reset signal RES is input, and a driving controller for controlling a data line driving circuit and a scanning line driving circuit in accordance with the driving-control parameter stored in the register. The driving controller controls the data line driving circuit and the scanning line driving circuit such that turn-off voltage is applied to a plurality of pixels after the parameter controller updates the values of the group of parameters by the reset signal.

Abstract: A power-supply circuit includes a capacitor, which is connected to a terminal at a first end while being grounded at the second end, for supplying a hold voltage between both ends thereof to a load; a capacitor connected, via a diode, to the terminal at a first end; an operational amplifier for raising a voltage at the second end of the capacitor, in response to a reduction in the hold voltage, such that the hold voltage becomes equal to a target voltage; and a transistor.

Abstract: An electro-optical device includes pixels provided at intersections of a plurality of scanning lines and a plurality of data lines, a scanning line driving circuit for applying a selected voltage to the respective scanning lines, and a data line driving circuit for applying a turning-on voltage or a turning-off voltage to the respective data lines.

Abstract: An electro-optical apparatus is provided which corrects a voltage applied to a pixel with high accuracy. An electro-optical apparatus includes a correction circuit. When, for example, a positive-polarity selection voltage +VS is applied to a scanning line during the second-half period of one horizontal scanning period, the correction circuit detects a spike resulting from voltage switching from a voltage ?VD/2 to a voltage +VD/2 on the data lines, determines whether the level of the detected spike is a threshold level or more, and if a determination is made that the level of the detected spike is the threshold level or more, adds a pulse with the same polarity as that of the detected spike to a selection-voltage supply line in the second-half period following the first-half period.