Abstract: A mobile terminal capable of localization, a localization server, and a method for localizing the mobile terminal using the localization server are disclosed. The disclosed localization server includes a control unit configured to control transmissions of visible-light signals from a multiple number of visible-light transmitting devices; and a position computing unit configured to compute a position of a mobile terminal based on time information regarding when the visible-light signals transmitted respectively from the plurality of visible-light transmitting devices were received at the mobile terminal, where the control unit controls the transmissions such that each of the plurality of visible-light transmitting devices sequentially transmits the visible-light signal for a particular first time period with no overlapping of transmission times of the visible-light signals transmitted respectively from the plurality of visible-light transmitting devices.

Abstract: Provided is a display device. The display device includes a display panel including a common voltage generator generating an output voltage to be provided to the plurality of pixels. Each of the plurality of pixels includes a pixel electrode receiving a data voltage, a common electrode receiving the output voltage through common voltage lines, and a liquid crystal capacitor charged with a voltage difference between the data voltage and the output voltage. The common voltage generator compensates the output voltage based on a ratio of an internal resistance of the common voltage generator to a resistance component of the common electrode disposed on the display panel and outputs the compensated output voltage.

Abstract: A method of driving a display panel includes determining a first black gap corresponding to a 2D mode and a second black gap corresponding to a 3D mode. The first and second black gaps are different from each other, the first and second black gaps correspond to a voltage difference between a black voltage of a first polarity and a black voltage of a second polarity, and the first and second polarities are opposite to each other with respect to a reference voltage. The method further includes dividing a voltage difference between a white voltage of the first polarity and the black voltage of the first polarity to generate a plurality of gamma voltages of the first polarity, and dividing a voltage difference between a white voltage of the second polarity and the black voltage of the second polarity to generate a plurality of gamma voltages of the second polarity.

Abstract: A digital gamma correction part includes a memory and a selector. The memory is configured to store a basic gamma reference data, a first compensated gamma reference data and a second compensated gamma reference data, where respective data of the first compensated gamma reference data are greater than respective data of the basic gamma reference data, and respective data of the second compensated gamma reference data are less than respective data of the basic gamma reference data. The selector is configured to receive a luminance data determined based on a luminance of a display panel, and to output a gamma reference data by selecting one from the basic gamma reference data, the first compensated gamma reference data and the second compensated gamma reference data based on the luminance data and a gamma converted reference range.

Abstract: A display device includes: a display panel including gate lines, a data lines crossing the gate lines, and pixels connected to the data lines and the gate lines; a data driver configured to drive the data lines; a gate driver configured to drive the gate lines in synchronization with a vertical sync start signal; and a timing controller configured to control the data driver and the gate driver in response to an image signal and a control signal inputted thereto from an outside, where the timing controller outputs the vertical sync start signal to the gate driver, and changes a frequency of the vertical sync start signal when an image signal of a current frame is identical to an image signal shifted from an image signal of a previous frame in a first direction.

Abstract: A display device includes a display panel, a timing controller, a data driver, a gate driver and a backlight unit. The gate driver sequentially outputs gate signals to gate lines. The backlight unit performs an on-operation during a high section of a backlight control signal and an off-operation during a low section of the backlight control signal. The gate signals includes first gate signals that are output during the high section of the backlight control signal and have a first pulse width and second gate signals that are output during the low section of the backlight control signal and have a second pulse width greater than the first pulse width.

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 gate driver includes a precharge signal generating part configured to generate a precharge signal which varies based on a previous data signal corresponding to a previous gate line and a data signal corresponding to a gate line, and a signal adding part configured to add the precharge signal and a non-precharge signal to generate a gate signal.

Abstract: A mobile terminal capable of localization, a localization server, and a method for localizing the mobile terminal using the localization server are disclosed. The disclosed localization server includes a control unit configured to control transmissions of visible-light signals from a multiple number of visible-light transmitting devices; and a position computing unit configured to compute a position of a mobile terminal based on time information regarding when the visible-light signals transmitted respectively from the plurality of visible-light transmitting devices were received at the mobile terminal, where the control unit controls the transmissions such that each of the plurality of visible-light transmitting devices sequentially transmits the visible-light signal for a particular first time period with no overlapping of transmission times of the visible-light signals transmitted respectively from the plurality of visible-light transmitting devices.

Abstract: A display device includes a display panel, a gate driver, a gate clock signal modulating unit, and a gate clock signal generator. The display panel includes gate lines and pixels connected to the gate lines via respective switching elements. The gate driver includes stages configured to output gate signals to the gate lines. The gate clock signal modulating unit is configured to modulate an input gate clock signal based on a scanning start signal to generate an output gate clock signal. The gate clock signal generator is configured to generate a clock signal based on the gate clock signal and output the clock signal to the gate driver. The gate clock signal modulating unit is configured to modulate a width of a pulse of the input gate clock signal overlapping a pulse of the scanning start signal.

Abstract: A display device includes: a display panel including a gate line, a data line and a pixel connected to the gate line and the data line; a data driver connected to the data line; a gate driver connected to the gate line; a direct current-to-direct current (“DC-DC”) unit which transfers a gate-on voltage or a gate-off voltage to the gate driver; a signal controller which controls the data driver, the gate driver and the DC-DC unit; and a sensing unit, in which the DC-DC unit generates a power voltage based on a control signal of the signal controller, and the sensing unit includes a measuring unit which senses a sensing signal based on a power voltage signal applied to the data driver, and a reset signal generator which generates a reset signal based on the sensing signal.

Abstract: A mobile terminal capable of localization, a localization server, and a method for localizing the mobile terminal using the localization server are disclosed. The disclosed localization server includes a control unit configured to control transmissions of visible-light signals from a multiple number of visible-light transmitting devices; and a position computing unit configured to compute a position of a mobile terminal based on time information regarding when the visible-light signals transmitted respectively from the plurality of visible-light transmitting devices were received at the mobile terminal, where the control unit controls the transmissions such that each of the plurality of visible-light transmitting devices sequentially transmits the visible-light signal for a particular first time period with no overlapping of transmission times of the visible-light signals transmitted respectively from the plurality of visible-light transmitting devices.

Abstract: A display device includes gate lines, data lines, pixels, a gate driver, a data driver, and a timing controller. The gate lines extend in a first direction. The data lines extend in a second direction crossing the first direction. Each of the pixels is connected to a corresponding gate line of the gate lines and a corresponding data line of the data lines. The gate driver is configured to drive the gate lines. The data driver is configured to drive each data line of the data lines in response to a corresponding data signal. The timing controller is configured to, in response to an image signal and a control signal, apply the corresponding data signals to the data driver and control the gate driver. Each corresponding data signal reflects a kickback compensation value corresponding to a distance between the gate driver and the corresponding data line in the first direction.

Abstract: A control board in a display device includes terminals and a control circuit. The control circuit is configured to output a control signal an image signal through the terminals and to generate a drive voltage in response to a feedback signal, which is fed back to a second terminal of the terminals when a source voltage is applied to a first terminal of the terminals.

Abstract: An image signal modifying method is disclosed. In one aspect, the image signal modifying method includes inputting a gray level interval of a first dynamic capacitance compensation (DCC) lookup table to a current gray level which is a target in a previous image signal when it is overdriven (DTG) and 0 to a gray level of the previous image signal (PIG). The method also includes searching for a data value in an adaptive color correction (ACC) lookup table corresponding to a gray level equal to a numerical value of the DTG (ALT) and performing an algorithm based on the DTG, the ALT, and the gray level interval of the first DCC lookup table. The method further includes generating a second DCC lookup table based on the algorithm, and performing second DCC processing on the input image signal based on the second DCC lookup table.

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 gate driving module includes a gate driver and a gate signal generator. The gate driver generates a vertical start signal, a plurality of gate clock signals and a plurality of inverse gate clock signals based on a vertical start control signal, a plurality of gate clock control signals, a gate on voltage, a first gate off voltage and a second gate off voltage. The number of the gate clock signals is P. The number of the inverse gate clock signals is P. The number of the gate clock control signals is P. P is a positive integer equal to or greater than two. The gate signal generator generates a gate signal based on the vertical start signal, the gate clock signals and the inverse gate clock signals.

Abstract: A display device includes a display panel, a timing controller, a data driver, a gate driver and a backlight unit. The gate driver sequentially outputs gate signals to gate lines. The backlight unit performs an on-operation during a high section of a backlight control signal and an off-operation during a low section of the backlight control signal. The gate signals includes first gate signals that are output during the high section of the backlight control signal and have a first pulse width and second gate signals that are output during the low section of the backlight control signal and have a second pulse width greater than the first pulse width.

Abstract: A display apparatus includes pixels connected to gate lines and data lines crossing the gate lines, a data driver which drives the data lines, a gate driver which drives the gate lines, a timing controller which controls the data driver and the gate driver in response to an image signal and a control signal and outputs a first kickback signal and a second kickback signal, and a voltage generator which outputs a first gate-on voltage and a second gate-on voltage in response to the first and second kickback signals to drive the gate lines. The gate driver drives a first group of gate lines in response to the first gate-on voltage and drives a second group of the gate lines in response to the second gate-on voltage.

Abstract: A display device includes first, second, and third gate lines. The display device further includes a first data line and a second data line neighboring the first data line. The display device further includes first, second, and third pixel electrodes connected to the first, second, and third gate lines, respectively, and further includes a fourth pixel electrode connected to the second gate line. The fourth pixel electrode is disposed between the first and third electrodes and neighbors each of the first, second, and third pixel electrodes. The first, second, and third pixel electrodes are connected to the first data line. The display device further comprises a gate driver for applying copies of a gate-on voltage to the gate lines, the gate-on voltage including a first voltage in a first horizontal period, a second voltage in a second horizontal period, and a third voltage in a third horizontal period.