Abstract: A display apparatus includes a display panel including a plurality of data lines arranged in a first direction, where the data line extends substantially in a second direction, and a plurality of pixels electrically connected to the data lines, and a data driver configured to output a first data voltage and a second data voltage to the data lines and configured to control the number of the data lines which receives the first data voltage and the number of the data lines which receive the second data voltage, where the first data voltage has a positive polarity during a first frame and a negative polarity during a second frame, and the second data voltage has the negative polarity during the first frame and the positive polarity during the second frame.

Abstract: A method of driving a display panel includes steps of generating a plurality of load signals, of which at least one load signal has a different timing from the rest of the load signals, generating data voltages synchronized to low periods of the load signals and outputting the data voltages to data lines. Accordingly, the data voltages synchronized to each of the load signals can be outputted to each of the data lines. A color coordinate problem occurring when applying a RGBW type may be solved by setting a charging time of a white sub-pixel different from the rest of the sub-pixels. Thus, display quality of a display apparatus including the display panel may be improved.

Abstract: A method of driving a display panel includes: selectively providing a resistance using resistor parts in response to address signals, where the resistor parts have resistances, respectively; and outputting common voltages to the display panel based on the selectively provided resistance.

Abstract: A circuit includes a reference signal generating part configured to generate a plurality of reference signals having levels different from each other, a comparing part configured to compare a ripple signal with the reference signals to determine a level of the ripple signal, a compensating signal generating part configured to generate a compensation ripple signal corresponding to the level of the ripple signal, where the compensation ripple signal has a phase opposite to the ripple signal, and a push-pull circuit configured to stabilize the compensation ripple signal.

Abstract: A method of driving a display panel is provided. The method includes displaying a first image on at least one odd-numbered horizontal line of the display panel along a first direction and a second direction during a first period of a frame period and displaying a second image on at least one even-numbered horizontal line of the display panel along the first direction and second direction during a second period of the frame period.

Abstract: A method of driving a display panel, the method including outputting video data to a display panel during an N-th (N is a natural number) frame, outputting video data to the display panel during an (N+1)-th frame, comparing polarities of video data of the N-th frame and corresponding polarities of video data of the (N+1)-th frame, and controlling polarities of video data of an (N+2)-th frame, according to the result of the comparison.

Abstract: A method of driving a display panel includes: selectively providing a resistance using resistor parts in response to address signals, where the resistor parts have resistances, respectively; and outputting common voltages to the display panel based on the selectively provided resistance.

Abstract: A display panel driving apparatus is disclosed. In one aspect the apparatus includes a gate driving part and a data driving part. The gate driving part is configured to increase a gate signal applied to a gate line of a display panel from an OFF voltage to a ON voltage, in response to an activation of a gate clock signal. It is also configured to decrease the gate signal from the ON voltage to a kickback compensation voltage between the OFF voltage and the ON voltage through a plurality of steps in response to an activation of a kickback compensation signal. The data driving part is configured to apply a data signal to a data line of the display panel. Therefore, a data-charging rate may be increased, and thus a display quality of the display apparatus may be increased.

Abstract: A power supply of the present disclosure includes: a power generator that generates a first driving voltage to be supplied to a timing controller; and a voltage compensator that performs feedback of the first driving voltage and generates a feedback voltage according to a voltage difference between the first driving voltage and a first reference voltage supplied from the power generator. In this structure, the power generator generates a second driving voltage by boosting or dropping the first driving voltage to correspond to the feedback voltage, and may supply the second driving voltage to the timing controller.

Abstract: A display panel driving apparatus includes a load controlling circuit, a data driver and a gate driver. The load controlling circuit is connected to a control line transferring a recovery timing control signal for controlling recovery of a clock signal from a display signal including image data and the clock signal, and is configured to control a load of the control line according to a glitch level of the recovery timing control signal. The data driver is configured to receive the display signal, receive the recovery timing control signal through a connection to the control line, recover the clock signal from the display signal according to the recovery timing control signal, and output a data signal based on the image data to a data line of a display panel.

Abstract: An image correcting unit including: a data converting unit which receives image data, and generates display data by converting respective grayscale values which are included in the image data to high pixel data and low pixel data; and a white pixel detecting unit which detects image data lines which include not less than a first number of white grayscale values from the image data, and outputs a conversion signal when not less than a second number of the detected image data lines are successively arranged, wherein upon receiving the conversion signal from the white pixel detecting unit, the data converting unit converts the white grayscale values which are included in the successively arranged image data lines to first high pixel data and first low pixel data, wherein the first high pixel data and the first low pixel data have a different value from each other.

Abstract: A method of driving a display panel includes: selectively providing a resistance using resistor parts in response to address signals, where the resistor parts have resistances, respectively; and outputting common voltages to the display panel based on the selectively provided resistance.

Abstract: There is provided a display device including an input unit configured to connect an external device to a serial peripheral interface (SPI) through a plurality of connection lines, a switching unit configured to connect the input unit and a flash memory of a driving board to the SPI, a data register configured to output connection setting data for determining a connection state of the switching unit, and a timing controller configured to output a control signal for determining the connection setting data according to an input of a write enable line among the plurality of connection lines.

Abstract: A display device includes: a plurality of pixels; a scan driver configured to apply a scan signal to a plurality of scan lines connected to the plurality of pixels; a data driver configured to apply a gray voltage to a plurality of data lines connected to the plurality of pixels; a signal controller configured to transmit a scan control signal for controlling operating of the scan driver to the scan driver, and configured to transmit a data control signal for controlling operating of the data driver to the data driver; a power supply configured to supply a power voltage for generation of the scan signal to the scan driver; and a short detector configured to detect a voltage level of the power voltage and generate an enable signal in response to the detection.

Abstract: A method of reducing a time for switching a gate line driving signal of display device having plural gate lines from a level that is less than a full gate-on level to the gate-on level is disclosed. The method may include: during a gate line pre-charging period of a respective gate line, causing the gate line driving signal to be at the full gate-on level; during a corresponding gate line main-charging period that follows the pre-charging period, causing the gate line driving signal of to be at the full gate-on level; and during an interposed period that is interposed between the gate line pre-charging period and its corresponding gate line main-charging period, causing the gate line driving signal to be at an intermediate level that is between the full gate-on level and an opposed gate-off level.

Abstract: A liquid crystal display device, including a display panel including data lines and gate lines intersecting the data lines, a gate driver configured to sequentially apply a scan signal to the gate lines, a data driver configured to apply data voltages corresponding to each gate lines to the data lines, a timing controller configured to control the gate driver and the data driver, a power source supply circuit configured to supply a positive power source and a negative power source, a common voltage feedback circuit configured to receive the positive power source and the negative power source from the power source supply circuit, receive a reference voltage and a common voltage from the display panel, and output an amplified feedback signal corresponding to a voltage level difference between the reference voltage and the common voltage.

Abstract: A memory is provided, which comprises an electrically erasable and programmable read only memory (EEPROM) configured to store an operation system and to be rewritable in response to a write operation signal, an address comparator configured to be connected to Inter Integrated Circuit (I2C) lines and output the write operation signal to the EEPROM in response to an external signal, a digital-to-analog converter (DAC) unit configured to determine whether to connect a DAC resistor and the I2C lines in response to the external signal and a pull-up resistor unit configured to be connected to the I2C lines.

Abstract: A method of driving a display panel includes charging a pixel with first data during a first charging period, comparing a first grayscale of the first data and a second grayscale of second data, charging the pixel with compensated data during a second charging period if the first grayscale is greater than the second grayscale, and charging the pixel with the second data during a third charging period.

Abstract: A display device includes a display panel, a variable gate clock generator and a gate driver. The display panel includes a plurality of pixels coupled to a plurality of data lines and a plurality of gate lines, respectively. The variable gate clock generator generates a first variable gate clock signal and a second variable gate clock signal having respective duty ratios that are varied depending on a brightness of a frame image. The gate driver generates a plurality of gate driving signals for driving the gate lines in response to the first and second variable gate clock signals.

Abstract: A method of driving a display panel includes steps of generating a plurality of load signals, of which at least one load signal has a different timing from the rest of the load signals, generating data voltages synchronized to low periods of the load signals and outputting the data voltages to data lines. Accordingly, the data voltages synchronized to each of the load signals can be outputted to each of the data lines. A color coordinate problem occurring when applying a RGBW type may be solved by setting a charging time of a white sub-pixel different from the rest of the sub-pixels. Thus, display quality of a display apparatus including the display panel may be improved.