Abstract: In one aspect of the invention, a method for driving a display includes the steps of processing input image signals into pixel signals associated with the pixel matrix and grayscales of the display, generating a polarity control signal POL, and determining transmitting paths of the pixel signals according to the polarity control signal POL, and writing the pixel signals into the pixel matrix of the display along the determined transmitting paths.

Abstract: In a touch panel and a display apparatus having the touch panel, the touch panel includes a plurality of sensor lines, a plurality of sensor switches, a line selecting unit and a sensor resistor section. The sensor switches are electrically connected to the sensor lines, respectively, and apply sensing signals to the sensor lines, respectively, when a touch event occurs. The line selecting unit is electrically connected to end portions of the sensor lines and sequentially outputs the sensing signals transferred through the sensor lines. The sensor resistor section includes a first end electrically connected to the sensor lines, respectively, and a second end opposite to the first end. The second end receives a driving direct current (DC) voltage. Therefore, the touch panel may have an improved ability to detect touch events.

Abstract: A display device with a touch screen includes: first sensing units, each first sensing unit comprising first optical sensors connected in series, each first sensing unit comprising a first terminal for receiving a first voltage, each first sensing unit extending in a first direction; second sensing units, each second sensing unit comprising second optical sensors connected in series, each second sensing unit comprising a first terminal for receiving a second voltage, each second sensing unit extending in a second direction transverse to the first direction; a reset unit for applying a reset voltage to a second terminal of each of the first and second sensing units; and a read-out unit for sensing a touch position based on voltage changes at the second terminals of the first and second sensing units.

Abstract: A driving system of a display panel and a driving method thereof are provided, in which the display panel includes a plurality of pixel units, and the driving system includes a timing controller and a voltage generator. The timing controller is used for detecting data values of the pixel units, and calculating difference values between the data values of every two pixel units, in which the calculated pixel units are in successive rows. The timing controller obtains an aggregation value of absolute values of the difference values, and then provides a related control signal to the voltage generator according to whether the aggregation value reaches a threshold value. The voltage generator provides a common voltage or provides a compensation voltage to a common electrode according to content of the control signal.

Abstract: An LCD device is configured to drive a plurality of shift register units using two clock signals having different driving abilities. Each shift register unit may thus generate a stronger signal for triggering a next-stage shift register unit, thereby improving cold-start. When the LCD device has been activated over a predetermined period of time, the driving ability of the clock signal having higher driving ability is gradually lowered, thereby reducing power consumption.

Abstract: A liquid crystal display includes first and second pixel electrodes, first to fourth data lines, and a first gate line. The first pixel electrode has separated first primary and secondary sub-pixel electrodes. The second pixel electrode has separated second primary and secondary sub-pixel electrodes. The first data line is coupled to the first secondary sub-pixel electrode and covered by the first pixel electrode. The second data line is coupled to the first primary sub-pixel electrode and covered by the second pixel electrode. The third data line is coupled to the second primary sub-pixel electrode and covered by the second pixel electrode. The fourth data line is coupled to the second secondary sub-pixel electrode. The first gate line is coupled to the first pixel electrode and the second pixel electrode.

Abstract: A liquid crystal display, applying to the first electrode, a voltage higher and a voltage lower at different timings, detecting a current flowing through the second electrode, designating, as a reference value, the current flowing through the second electrode when the voltage maintained in the liquid crystal element is reset, specifying a first current which is obtained by excluding a charging current due to application of a related higher voltage from currents flowing through the second electrode after the higher voltage is applied to the first electrode, and a second current which is obtained by excluding a charging current due to application of a related lower voltage from currents flowing through the second electrode after the lower voltage is applied to the first electrode, and comparing the first current with the second current, and controlling the first current and the second current based on the comparison result.

Abstract: A gate driving circuit and a display device having the same, a pull-up unit pulls up a current gate signal by using a first clock signal during a first period of one frame. A pull-up driver coupled to the pull-up unit receives a carry signal from one of the previous stages to turn on the pull-up unit. A pull-up unit receives a gate signal from one of the next stages, discharges the current gate signal to an off voltage level, and turns off the pull-up unit. A holder holds the current gate signal at the voltage level. An inverter turns on/off the holder in response to a first clock signal. A ripple preventer has a source and a gate coupled in common to an output terminal of the pull-up unit and a drain coupled to an input terminal of the inverter, and includes a ripple preventing diode for preventing a ripple from being applied to the inverter.

Abstract: The present invention aims to provide a driving control circuit of a display device that is capable of preventing an unnatural black screen. To this end, the driving control circuit is configured to include a plurality of TMICs, each of which is merged with a timing controller and a source driver, and the time controller is configured to adjust end locations of the horizontal blank intervals of data enable signals to match the end locations outputted from TMICs to an end location of a horizontal blank interval of a data enable signal outputted from another TMIC, and, when a gate output enable signal is supplied, perform adjustment so as to indicate a rising edge of the gate output enable signal before the data latch enable signal having the highest frequency is supplied.

Abstract: Provided is a capacitance coupling type on-screen input image display device that enables multipoint detection in a short period of time. The on-screen input image display device includes: a detection circuit (4) for detecting a change in capacitance between the plurality of X coordinate electrodes and the plurality of Y coordinate electrodes of the touch sensor (3); a touch panel control circuit (6) for determining a touched coordinate point; and a main control circuit (7) for receiving touch coordinate data from the touch panel control circuit (6). The main control circuit (7) judges occurrence of a user's touch and coordinates of the occurrence from the touch coordinate data, and supplies a display signal corresponding to the judged coordinates to the display device (1) via the display control circuit (2), whereby the display signal is reflected on the display.

Abstract: According to one embodiment, an image display device includes a display panel including a pixel circuit, the pixel circuit including a light-emitting element, a driver element, and a capacitor element. The image display device further includes a charge supply line for supplying electrical charge to the light-emitting element of the pixel circuit; and a drive control unit which supplies second electrical charge from the charge supply line to the light-emitting element after first electrical charge accumulated in the light-emitting element is supplied to the capacitor element, further supplies the second electrical charge to the capacitor element and accumulates the first charge and the second charge in the capacitor element, and applies a voltage greater than or equal to the threshold voltage to a control terminal of the driver element, within one frame after the light-emitting element emits light until the light-emitting element emits light next.

Abstract: The present invention relates to a light emitting device for reducing consumption of an electric power in screen protecting mode. The light emitting device includes a plurality of data lines, a plurality of scan lines, a plurality of pixels, a controller, a data driving circuit and a scan driving circuit. The data lines are disposed in a first direction. The scan lines are disposed in a second direction different from the first direction. The pixels are formed by the data lines and the scan lines. The controller transmits a plurality of first display data. The data driving circuit provides data current corresponding to the first display data transmitted from the controller to the data lines. The scan driving circuit drives the scan lines by a unit of two or more lines under control of the controller when the first display data are repeatedly transmitted to the data driving circuit.

Abstract: Disclosed herein are various embodiments of a capacitive touchscreen system that is capable of sensing simultaneous or near-simultaneous multiple finger touches made on a capacitive touchscreen. In one embodiment, drive and sense circuits operably connected to X and Y lines of the touchscreen may be interchangeably and selectably configured to drive and sense X and Y lines of the touchscreen, respectively, or drive and sense Y and X lines, respectively, of the touchscreen, through first and second multiplexers operating under the control of a drive/sense processor.

Abstract: A current generator for supplying or sinking current to/from pixels. The current generator includes a variable power source, a first amplifier having a first input terminal coupled to the variable power source, a sensing resistor coupled between an output terminal of the first amplifier and an external terminal of the current generator, and a second amplifier having a first input terminal and a second input terminal coupled to respective ends of the sensing resistor and an output terminal coupled to a second input terminal of the first amplifier.

Abstract: A pixel includes an OLED between a first power supply and a second power supply; a first transistor between the first power supply and the OLED, in which a gate electrode is connected to a first node; a second transistor between a first electrode of the first transistor and a data line, in which a gate electrode is connected to a current scanning line; a third transistor between a second electrode of the first transistor and the first node, in which a gate electrode is connected to the current scanning line or a control line; a fourth transistor between the second electrode of the first transistor and the OLED, in which a gate electrode is connected to a light emitting control line; and a fifth transistor between a connecting node of the fourth transistor and the OLED and the second power supply or a third power supply.

Abstract: A display unit with which the internal structure is able to be simplified, a method of driving the same, and an electronics device are provided. The display unit includes a video signal processing circuit, a signal line drive circuit, a power source line drive circuit and a scanning line drive circuit. The power source line drive circuit concurrently applies a control pulse to the all power source lines, and concurrently controls light emission and light extinction of the all light emitting devices. The scanning line drive circuit applies a first selection pulse to the all scanning lines during time period when the fixed voltage is applied, and subsequently and sequentially applies a second selection pulse to the plurality of scanning lines during time period when the erasing pulse is applied.

Abstract: A display system is provided. The display system includes a display unit for displaying an image, a support stand for supporting the display unit, a power source unit for supplying power to the display unit, an approaching detection unit that is formed on the support stand to detect an approach of an object, and a control unit for controlling the power source unit by recognizing a predetermined command corresponding to a detection signal from the approaching detection unit.

Abstract: A liquid crystal display device employing a dot inversion drive method includes a pixel array, a data driver circuit, a short circuit, and a scanning circuit. The short circuit is disposed for respective outputs of the data driver circuit, and includes a switching element for connecting each of the outputs to a precharge voltage different from an output voltage. The short circuit includes the switching element disposed in one of a first switching group and a second switching group; the switching element of one of the first switching group and the second switching group is connected to respective pairs of pixel column units including an odd-numbered pixel column and an even-numbered pixel column which are adjacent to each other; and the pairs of pixel column units which are adjacent to each other are each connected to the switching element disposed in respective switching groups different from each other.

Abstract: A display device and a display method are provided in which the influence of the outside light can be removed easily, in the case where light-emitting and light-receiving are performed in parallel and simultaneously. In the case where an image-display and a light-receiving are performed simultaneously or alternately on a display surface of the display device, processing of making the display surface emit light to display an image is performed; light entering the display surface is received, which is the light-receiving of two times of a state in which the light-emitting for display use is being performed (step S11) and of a state in which light is not emitted (step S12); and a state in which the display surface is touched or approached is detected based on the detection of a difference in the quantities of received light of the two times (step S13).

Abstract: A display apparatus includes a temperature sensor, a timing controller, a data driver and a display panel. The temperature sensor senses a temperature, the timing controller includes a dynamic capacitance capture (“DCC”) block, which converts a green data, a red data and a blue data into a green compensation data, a red compensation data and a blue compensation data, respectively, based on the temperature sensed by the temperature sensor, and the data driver converts the red compensation data, the green compensation data and the blue compensation data into a data voltage and outputs the data voltage. The display panel receives the data voltage and displays an image.