Abstract: A position indicator includes a first resonance circuit including an inductor and a capacitor, a second resonance circuit including the first resonance circuit and a variation device configured to vary a resonance frequency or a phase of the second resonance circuit in response to an act of a user, and a switch circuit configured to perform changeover between the first resonance circuit and the second resonance circuit. The switch circuit is changed over such that, when no signal is received from outside of the position indicator and when a signal other than a predetermined signal is received from outside of the position indicator, the second resonance circuit is selected, and when the predetermined signal is received from outside of the position indicator, the first resonance circuit is selected, and the selected resonance circuit is configured to electromagnetically couple with a conductor of a sensor of the position detection apparatus.

Abstract: The present invention provides a driving circuit and a display device. The driving circuit is disposed on a substrate of the display device. The driving circuit includes thin film transistors (TFTs), a capacitor and clock signal lines. Each of the TFTs includes a gate, a source and a drain. The capacitor is coupled to at least one of the TFTs, and includes a first and a second electrode. The material of the first and the second electrode includes a transparent conductive material. The clock signal lines extend along a first direction. The source and the drain of at least two of the TFTs respectively extend along a second direction. The angle between the first direction and the second direction is between 80 degrees and 100 degrees. At least a partial structure of the capacitor is located in a gap between adjacent ones of the TFTs.

Abstract: The present disclosure provides a gate driver on array (GOA) circuit, where the GOA circuit includes a GOA driving chip, a GOA driving signal line, an array substrate test chip, a test signal line, and a GOA protecting circuit. The GOA driving chip is used to generate a scan driving signal. The GOA driving signal line is used to transmit the scan driving signal to a corresponding scan line. The array substrate test chip is used to generate an array substrate test signal. The test signal line is used to transmit the array substrate test signal to the corresponding scan line. The GOA protecting circuit is arranged between the GOA driving signal line and the test signal line.

Abstract: A display driver includes: a plurality of decoders that converts a plurality of pixel data pieces representing luminance levels for pixels into gradation voltages having magnitudes corresponding to the luminance levels represented by the pixel data pieces, respectively; a plurality of amplifiers that provides a plurality of driving voltages obtained by amplifying the gradation voltages to a plurality of data lines of a display device, respectively; and a reference gradation voltage generator that generates a plurality of reference gradation voltages having respective different voltage values corresponding to gradation levels. Each of the decoders includes a short-circuiting control circuit that controls whether to short-circuit between a first line and a second line of each of the decoders.

Abstract: A display device may include the following elements: a touch screen unit (or touch-sensing unit) operating with a preset touch driving frequency; a display unit operating with a display driving frequency corresponding to a driving control signal; a noise analyzer determining a frequency band of a panel noise based on a feedback signal provided from the display unit, wherein the panel noise is caused by operation of the display unit; and a driving frequency controller controlling the display driving frequency such that the frequency band of the panel noise avoids the touch driving frequency.

Abstract: A display device including a display panel and a touch panel is provided. At least one of the display panel and the touch panel is made of a flexible material. The display device is capable of being switched between a first usage state where a portion of the touch panel overlaps a portion of the display panel so that a touch operation is capable of being performed, through the touch panel, on at least a portion of an image displayed on the display panel, and a second usage state where the display panel is located at a side of the touch panel and does not overlap the touch panel and a button pattern is formed on the touch panel through which an operation is performed on the image displayed on the display panel.

Abstract: A method for controlling a display of an electronic device, comprising: detecting a first input; and dividing the display of the electronic device into at least a main screen area, a left-edge area, and a right-edge area based on the first input.

Abstract: The present disclosure relates to the technical field of LED display screens, and in particular, to an LED display device and a method for driving the same. The driving method includes: generating a grayscale data in accordance with an image to be displayed; generating a control signal in accordance with the grayscale data, wherein the control signal includes a plurality of subframe signals each having a duration corresponding to a respective subframe display time; and controlling the corresponding LED lamps to be turned on or off by use of the subframe signals in each subframe of the frame cycle. The frame cycle includes reset time periods separating the successive subframes from each other. The order of the plurality of subframes in the frame cycle can be adjusted by use of the grayscale data.

Abstract: An LED display device and a method for driving the same are disclosed. The LED display device includes a plurality of pixel units being coupled to the row and column lines. In each of the row periods, the method comprises: displaying a display data in a manner of packet-by-packet; and pre-charging the parasitic capacitors between the row and column line by use of a reset voltage to implement a reset between the successive groups. According to the disclosure, a reset is performed between the packets in each row period to reduce the interference to the low grayscale image by the high grayscale image, such that the dynamic display quality of the image is improved.

Abstract: An organic light emitting display device includes pixels, a sensor configured to extract at least one of deviation information of first transistors of the pixels and deterioration information of OLEDs of the pixels in a sensing period, and a converter configured to change a bit of first data input from the outside by using at least one of the deviation information and the deterioration information, and to generate second data, wherein a pixel at an ith horizontal line includes an OLED, a first transistor configured to control an amount of a current that flows from a first power source via the OLED in response to a voltage of a first node, second and third transistors configured to turn on when a scan signal is supplied to an ith scan line, and a fourth transistor configured to turn on when a control signal is supplied to an ith control line.

Abstract: A touch screen including a substrate that includes an active area and a non-active area adjacent to the active area, the active area including at least one fingerprint recognition area; touch sensing electrodes including first sensing electrodes arranged in the active area, and at least one second sensing electrode arranged in the fingerprint recognition area, the second sensing electrode configured for sensing a touch and recognizing a fingerprint; and a pad portion provided with a plurality of pads which are electrically connected to respective sensing electrodes, wherein the at least one second sensing electrode includes: a plurality of sub electrodes extending in a direction inclined with respect to an edge portion of the active area; and a plurality of fingerprint recognition lines connecting the sub electrodes to the pad portion, and the fingerprint recognition lines arranged in a same fingerprint recognition area extend in a same direction.

Abstract: An image display apparatus is disclosed. The image display apparatus includes a panel, a plurality of light sources to output light to the panel, a plurality of switching elements to switch the light sources, and a processor to control the switching elements, wherein the processor controls a current having a variable level to flow into each light source string among the light sources, based on local dimming data, thereby improving contrast in displaying images.

Abstract: A gate driving circuit includes a plurality of stages to provide gate signals to gate lines of a display panel. At least one of the stages includes an input circuit receiving a carry signal from a previous stage. A first output circuit outputs a first clock signal as a gate signal. The second output circuit outputs the clock signal as a carry signal. The discharge hold circuit delivers the clock signal to a node based on the clock signal and discharges the node as a second voltage based on the carry signal. The pull down circuit discharges the gate signal as a first voltage based on a signal of the node and a succeeding carry signal from a succeeding stage and discharges another node and the carry signal as the second voltage. The switching circuit delivers the carry signal from the previous stage based on a second clock signal.

Abstract: A method of driving a display panel includes outputting a gate signal to the display panel, varying a slew rate of a data voltage to be output to the display panel according to a position in the display panel at which the data voltage is to be applied, outputting the data voltage having the varied slew rate to the display panel, and displaying a grayscale on the display panel in response to the gate signal and the data voltage having the varied slew rate.

Abstract: A driving method for a pixel circuit comprises steps of: receiving a data control signal inputted by a driving chip and resetting a data line of a pixel unit according to the data control signal; charging the pixel unit to a target voltage according to the data line control signal; and receiving a control signal to control the pixel unit to display a corresponding grayscale level according to the target voltage. Through above way, the present invention can prevent a wrong charging which will generate an abnormal picture display.

Abstract: An inputting apparatus of the electromagnetic induction type may provide a transmission signal of a sufficient signal level to a position indicator. A process controlling unit controls a selection circuit on the basis of a reception state of a reception signal received by each of a plurality of electrodes and detected by a reception signal processing circuit such that a first signal for transmitting a transmission signal is supplied to a first electrode at which the reception signal indicates the highest signal level. Further, the process controlling unit controls the selection circuit such that a second signal is supplied to a second electrode at which the signal level of the reception signal is lower than a predetermined signal level. Consequently, signals can be transmitted to a position indicator from both the first electrode, which most receives the signal from the position indicator, and the second electrode spaced from the first electrode.

Abstract: A pixel arrangement structure of an OLED display is provided. The pixel arrangement structure includes: a first pixel having a center coinciding with a center of a virtual square; a second pixel separated from the first pixel and having a center at a first vertex of the virtual square; and a third pixel separated from the first pixel and the second pixel, and having a center at a second vertex neighboring the first vertex of the virtual square.

Abstract: The present invention provides a pixel driving circuit, a driving method thereof, and a display device. The pixel driving circuit of the present invention comprises a data writing unit, a threshold compensation unit, a driving unit, a light-emitting unit, and a voltage stabilizing unit; the data writing unit is connected with a first node, a scan signal line and a data signal line; the first node is a connection node between the data writing unit and the driving unit; the threshold compensation unit is connected with the first node, a first control signal line, a first voltage terminal and the driving unit; the driving unit is connected with the light-emitting unit; and the voltage stabilizing unit is connected with the data writing unit, a second control signal line and the first voltage terminal.

Abstract: A method for operating a bidirectional display comprising a substrate, on which a display array consisting of a multiplicity of light-generating image elements and a sensor array consisting of a multiplicity of light-detecting elements are formed, each light-detecting element being assigned at least one light-generating image element, and each light-detecting element having at least a photodetector, a reset switch, a transfer switch, a memory and a select switch. The exposure phase of a light-detecting element between two successive readout phases of the light-detecting element is in this case subdivided into at least two exposure subphases chronologically separated from one another, and the at least one light-generating image element assigned to the light-detecting element is activated at least temporarily between the two exposure subphases of the light-detecting element.

Abstract: A touch display panel and a method for driving the same are provided. The touch display panel includes a first substrate, multiple electrodes, a touch display circuit, multiple first leads, a common lead, multiple second leads, and multiple switches, where the multiple first leads each are connected with an electrode and each extend from the electrode in a direction towards the touch display circuit, the multiple second leads each are connected with an electrode and each extend from the electrode in a direction away from the touch display circuit, the multiple electrodes each are electrically connected with the touch display circuit through one of the multiple first leads and are electrically connected with the common lead through one of the multiple second leads, and the multiple switches each are disposed between one of the multiple second leads and the common lead.