Abstract: Embodiments disclosed herein provide systems and methods for testing and repairing various aspects of an electronic display. The electronic display includes a reference array and an active array. The electronic display also includes test circuitry used to test individual or any combination of pixels of the electronic display. Switches may be disposed between the pixels and the test circuitry to be to repair the various components of the electronic display.

Abstract: A pixel circuit includes: a charge storage circuit with first and second terminals thereof electrically coupled to first and second nodes, respectively; a reset circuit with first, second and third control terminals thereof electrically coupled to a reference signal line, a first initialization signal line, and a second initialization signal line, respectively, with fourth, fifth and sixth terminals thereof electrically coupled to the first node, a cathode of a photodiode and the second node, respectively; a photosensitive control circuit with first, second and third terminals thereof electrically coupled to an anode of the photodiode, the first node and the second node, respectively; an output circuit with first and second terminals thereof electrically coupled to a first level terminal and a fourth terminal of the photosensitive control circuit, respectively.

Abstract: A shift register unit includes an input sub-circuit, a pull-down node driving sub-circuit and an output sub-circuit. The pull-down node driving sub-circuit includes a first connection unit, a first voltage-reduction unit and a second connection unit, and configured to: under the control of the first voltage signal terminal and the pull-up node, transmit a first voltage signal from the first voltage signal terminal to the first pull-down node via the first connection unit, and reduce a voltage applied to the second connection unit via the first voltage-reduction unit; and transmit a second voltage signal from the second voltage signal terminal to the first pull-down node via the second connection unit under the control of the pull-up node.

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a driving controller. The display panel includes an edge area having a rounded shape in a first state and having a flat shape in a second state. The gate driver applies a gate signal to a gate line of the display panel, the data driver applies a data voltage to a data line of the display panel, and the driving controller processes input image data according to the first state and the second state. The display panel includes a first display area having a first pixel density and a second display area having a second pixel density less than the first pixel density. The second display area corresponds to the edge area of the display panel.

Abstract: Embodiments disclosed herein provide systems and methods for testing and compensating for pixel degradation in an electronic display based on current and voltage values sensed in a reference array. An electronic display includes an active array, a reference array, and sensing circuitry. A compensation manager obtains current data values of the reference array from the sensing circuitry. The compensation manager generates a current-voltage curve based on the current data and adjusts the current-voltage curve to compensate for variations in temperature and/or pixel brightness. In this way, the compensation manager may improve performance of the electronic display by, for example, by reducing visible anomalies.

Abstract: A display driver includes image processing circuitry and driver circuitry. The image processing circuitry is configured to process first image data for pixels of a display panel comprising a first region and a second region to generate output voltage data. The first region and the second region have different pixel layouts. The driver circuitry is configured to update the pixels based on the output voltage data. Processing the first image data comprises IR-drop compensation based on first luminances of the pixels, each of the first luminances being determined based on the first image data and whether a corresponding pixel of the pixels is located in the first region.

Abstract: A light emitter board includes a substrate having a mount surface on which first and second light emitters are mountable, and at least one pixel unit on the mount surface, including a drive circuit and first and second drive lines. The first drive line as a primary line and the second drive line as a redundant line are connected in parallel to the drive circuit. The pixel unit includes, on the mount surface, first positive and negative electrode pads connectable to the first light emitter, and second positive and negative electrode pads to the second light emitter. The first positive or negative electrode pad is connected to the first drive line, and the second positive or negative electrode pad to the second drive line.

Abstract: A display device can include a display panel having a plurality of sub pixels, each of the sub pixels including a switching transistor, a driving transistor, a sensing transistor, a storage capacitor, and a light emitting element; and a detector configured to sense a voltage difference between a first electrode of the sensing transistor and a second electrode of the sensing transistor for determining that an anode and a cathode of the light emitting element are shorted, in which a gate electrode of the switching transistor and a gate electrode of the sensing transistor are connected to a same gate line.

Abstract: A luminance calibration system and method of mobile device display for medical images is provided, and allows a mobile device display to display the medical images complying with grayscale standard display function (GSDF) defined by Digital Imaging and Communications in Medicine (DICOM) under any environmental light sources; for example, the medical images displayed by the mobile device display can meet a Just-Noticeable Difference (JND) defined by DICOM to facilitate medical diagnosis for medical staffs. In addition, the luminance calibration system and method of mobile device display for medical images only adjusts the medical images inside the operating window of the mobile device display, while any image outside the operating window of the mobile device display is reserved; as a result, the luminance calibration system and method of mobile device display for medical images makes the mobile device display to be a medical image screen as well as a regular screen.

Abstract: A power voltage generator includes a first sensor, a second sensor, a comparator and a shutdown controller. The first sensor is configured to sense a first power voltage output node that outputs a first power voltage. The second sensor is configured to sense a second power voltage output node that outputs a second power voltage. The comparator is configured to compare a first sensing signal of the first sensor with a second sensing signal of the second sensor. The shutdown controller is configured to shut down the power voltage generator based on a comparison signal from the comparator.

Abstract: An electroluminescent display device includes a display panel including a plurality of pixels, a first compensation value calculator for calculating a first compensation value based on prediction according to an accumulation result of video data to be written in the pixels, a second compensation value calculator for calculating a second compensation value based on sensing according to an electrical sensing value with respect to driving characteristics of the pixels, and a data corrector for correcting the video data based on the first compensation value and the second compensation value.

Abstract: A display device includes a display unit including gate lines and pixels electrically coupled to the gate lines; a timing controller configured to generate an on-clock signal, an off-clock signal, an enable signal, and a common signal; a clock generator configured to generate a plurality of clock signals having different phases based on the on-clock signal and the off-clock signal, when the enable signal has a first voltage level, wherein the clock generator is to insert a common pulse into each of the plurality of clock signals based on the common signal, when the enable signal has a second voltage level different from the first voltage level; and a gate driver configured to generate gate signals based on the plurality of clock signals, and to sequentially provide the gate signals to the gate lines.

Abstract: The present application provides a method, a device and a system for determining an actual option common voltage of a display panel. The method for determining the actual option common voltage of the display panel includes the following steps: acquiring a first common voltage and a second common voltage for fitting a curve; acquiring a first flicker corresponding to the first common voltage and a second flicker corresponding to the second common voltage; acquiring a first Vcom-Flicker curve according to the first common voltage and the first flicker, and acquiring a second Vcom-Flicker curve according to the second common voltage and the second flicker; and determining a common voltage at an intersection of the first Vcom-Flicker curve and the second Vcom-Flicker curve, in which the common voltage at the intersection is the actual option common voltage.

Abstract: A scan driver of a display device includes a plurality of stages. Each stage includes a clock line configured to receive a first clock signal and a second clock signal having different phases, a shared input circuit configured to transfer an input signal to a shared control node, a first output circuit coupled to the shared control node, configured to transfer a voltage of the shared control node to a first control node, and configured to output a first scan signal in response to a voltage of the first control node and the first clock signal, and a second output circuit coupled to the shared control node, configured to transfer the voltage of the shared control node to a second control node, and configured to output a second scan signal in response to a voltage of the second control node and the second clock signal.

Abstract: A method includes receiving, at a master agent, announcements from candidate consumer agents indicating the presence of the candidate consumer agents. Each announcement includes display parameters for a display of the corresponding candidate consumer agent. The method further includes receiving at the master agent content parameters from a producer agent, the content parameters defining characteristics of content to be provided by the consumer agent. A mosaic screen is configured based on the received announcements and the content parameters. This configuring of the mosaic screen includes selecting ones of the consumer agents for which an announcement was received and generating content distribution parameters based on the content parameters and the display parameters of the selected ones of the consumer agents. The generated content distribution parameters are provided to the consumer agent.

Abstract: A driving device of a display panel and a display device are provided. A source driver expands display data of a low-resolution image to be displayed in a first working mode, and cooperates with the source driver to receive and processes display data of a high-resolution display image in a second working mode, which makes the driving device of the display panel has good compatibility.

Abstract: A driving method of a display panel is provided. The driving method of the display panel includes: within one frame, in a charging period of sub-pixels electrically connected to an ith scan line, each multiplexing circuit charging N data lines electrically connected to the multiplexing circuit in a charging sequence of a first preset sequence; in a charging period of sub-pixels electrically connected to a jth scan line, each multiplexing circuit charging the N data lines electrically connected to the multiplexing circuit in a charging sequence of a second preset sequence; the second preset sequence is different from the first preset sequence, and charging rankings of each data line electrically connected to each multiplexing circuit in at least two charging sequences are different, where N is an integer and N?2, and i and j are positive integers and j?i.

Abstract: A power voltage generator includes a voltage sensor and a power controller. The voltage sensor is configured to sense a first voltage in a first charge sharing period of a gate clock signal and a second voltage in a second charge sharing period of the gate clock signal. The power breaker is configured to disconnect a power based on the first voltage and the second voltage.

Abstract: Disclosed are a first shift register, a driving method for the same, a gate driving circuit and a display device. The first shift register includes a first unit, M second units and N third units. A first signal output terminal of the first unit is connected with M second signal input terminals of the M second units. A second signal output terminal of each second unit is connected with third signal input terminals of N/M third units respectively. The first unit outputs a voltage of a first clock signal terminal to the first signal output terminal and a fourth signal output terminal under the control of a first signal input terminal and a second clock signal terminal and outputs a voltage of a first voltage terminal to the first signal output terminal and the fourth signal output terminal.

Abstract: A gate driver circuit, a display device and a driving method. The gate driver circuit includes: a scan signal generation circuit, wherein the scan signal generation circuit includes N1 stages of first output terminals, and the scan signal generation circuit is configured to output N1 first pulse scan signals stage by stage respectively through the N1 stages of first output terminals; and N2 level conversion circuits, wherein the N2 level conversion circuits are configured to output under a control of a plurality of conversion control signals N1 second pulse scan signals which are in one-to-one correspondence with the N1 first pulse scan signals, and the plurality of conversion control signals include a plurality of first sub-control signals which are the N1 first pulse scan signals, wherein N1 is an integer greater than or equal to 2, and N2 is an integer greater than or equal to 2.