Patent application number | Description | Published |
20090096816 | DATA DRIVER, INTEGRATED CIRCUIT DEVICE, AND ELECTRONIC INSTRUMENT - A data driver includes a D/A conversion circuit that receives grayscale data and outputs a first grayscale voltage and a second grayscale voltage corresponding to the grayscale data by time division in each of first to Nth sampling periods, and first to Nth data line driver circuits that share the D/A conversion circuit. Each of the first to Nth data line driver circuits includes a grayscale generation amplifier that samples the first grayscale voltage and the second grayscale voltage output from the D/A conversion circuit in a corresponding sampling period among the first to Nth sampling periods, and generates a grayscale voltage between the first grayscale voltage and the second grayscale voltage. | 04-16-2009 |
20090096817 | D/A CONVERSION CIRCUIT, DATA DRIVER, INTEGRATED CIRCUIT DEVICE, AND ELECTRONIC INSTRUMENT - A D/A conversion circuit includes a first D/A converter and a second D/A converter that respectively output a first voltage and a second voltage. An ith two-input selector among a plurality of input selectors of the first D/A converter selects a (4i+1)th input voltage or a (4i+3)th input voltage based on input data, and outputs the selected input voltage to a selector of a selector block in the subsequent stage. An ith three-input selector among a plurality of three-input selectors of the second D/A converter selects a 4ith input voltage, a (4i+2)th input voltage, or a (4i+4)th input voltage based on the input data, and outputs the selected input voltage to a selector of a selector block in the subsequent stage. | 04-16-2009 |
20090096818 | DATA DRIVER, INTEGRATED CIRCUIT DEVICE, AND ELECTRONIC INSTRUMENT - A data driver includes a D/A conversion circuit, a switch circuit, and a data line driver circuit. The switch circuit includes a first switch element provided between a first voltage output node of the D/A conversion circuit and a first input node of a grayscale generation amplifier, a second switch element that is provided between a second voltage output node of the D/A conversion circuit and the first input node and is exclusively turned ON/OFF with respect to the first switch element, a third switch element provided between the first voltage output node and a second input node, and a fourth switch element that is provided between the second voltage output node and the second input node and is exclusively turned ON/OFF with respect to the third switch element. | 04-16-2009 |
20090160849 | INTEGRATED CIRCUIT DEVICE, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC INSTRUMENT - An integrated circuit device includes first to Nth data driver blocks that are disposed along a first direction. Each of the first to Nth data driver blocks includes first to Mth sub-driver blocks. Each of the sub-driver blocks includes a D/A conversion circuit that receives image data and D/A-converts the image data, and first to Lth data line driver circuits that are disposed along the first direction in a second direction with respect to the D/A conversion circuit and share the D/A conversion circuit. | 06-25-2009 |
20090160881 | INTEGRATED CIRCUIT DEVICE, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC INSTRUMENT - An integrated circuit device includes first to Nth memory blocks that are disposed along a first direction, and first to Nth data driver blocks that are disposed along the first direction in a second direction with respect to the first to Nth memory blocks. A Jth memory block among the first to Nth memory blocks dot-sequentially reads subpixel image data and outputs the subpixel image data to a corresponding Jth data driver block among the first to Nth data driver blocks, the subpixel image data being image data corresponding to at least one subpixel. The Jth data driver block receives the subpixel image data from the Jth memory block, and outputs a data signal corresponding to the subpixel image data. | 06-25-2009 |
20090160882 | INTEGRATED CIRCUIT DEVICE, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC INSTRUMENT - An integrated circuit device includes first to Nth memory blocks disposed along a first direction, a power supply circuit, and a data driver disposed in a second direction with respect to the first to Nth memory blocks. The power supply circuit includes an analog reference power supply voltage output circuit that outputs an analog reference power supply voltage. The analog reference power supply voltage output circuit is disposed between an Mth memory block and an (M+1)th memory block among the first to Nth memory blocks. An analog reference power supply line is provided in an area of the data driver along the first direction, | 06-25-2009 |
20110096447 | INTEGRATED CIRCUIT DEVICE AND ELECTRONIC APPARATUS - An integrated circuit device includes: a pad to which a signal is input; an analog circuit performing analog processing of the signal input via the pad; and a capacitor disposed between a signal input node of the analog circuit and the pad, wherein the pad and one end of the capacitor are connected to each other with a pad wiring formed of an uppermost metal layer. | 04-28-2011 |
20110099399 | INTEGRATED CIRCUIT DEVICE AND ELECTRONIC APPARATUS - An integrated circuit device includes: a host interface that receives a standard specification command and an internal specification command; a register unit; a logic circuit unit; and a first oscillation circuit, wherein the first oscillation circuit is controlled on the basis of a first command as the internal specification command and shifts to a state in which power supply voltage is supplied but oscillation is stopped, and the first oscillation circuit is controlled through the register unit on the basis of a second command as the internal specification command and returns to an oscillation state from the state in which the oscillation is stopped. | 04-28-2011 |
20150077193 | VOLTAGE-CONTROLLED OSCILLATOR, SIGNAL GENERATION APPARATUS, AND ELECTRONIC DEVICE - The present invention is for, in a voltage-controlled oscillator in which the oscillation frequency can be adjusted using a capacitor array, reducing drift that occurs in the carrier frequency if the oscillation signal is subjected to frequency modulation after the control loop of the PLL circuit has been cut off. This voltage-controlled oscillator includes an oscillation circuit for performing an oscillation operation at a frequency that corresponds to an inductance and a capacitance between a first node and a second node, a first and second group of capacitors that have first terminals connected to the first node and the second node respectively, a first and second group of transistors that are respectively connected between a reference potential and second terminals of the first group and second group of capacitors, and a first and second group of resistors that are respectively parallel-connected to the first group and second group of transistors. | 03-19-2015 |