Patent classifications
G09G3/3685
ELECTRONIC DEVICE HAVING FINGERPRINT SENSING FUNCTION
Provided is an electronic device comprising a touch display panel and an integrated chip. The touch display panel comprises a pixel array. The integrated chip is electrically connected to the pixel array. The integrated chip comprises a fingerprint sensing circuit and a display driving circuit. The fingerprint sensing circuit and the display driving circuit are electrically connected to multiple display data lines and sensing data lines through of the same pin. The multiple display data lines are respectively electrically connected to multiple color sub-pixels of the pixel array. The sensing data lines are electrically connected to multiple fingerprint sensing pixels of the pixel array. The multiple color sub-pixels are multiple liquid crystal display pixels.
DISPLAY DRIVING DEVICE, DISPLAY DRIVING METHOD, AND DISPLAY DEVICE
A display driving device configured to control a display panel including pixel units to display, includes: an over driver compensation module configured to, when a first polarity frame image is displayed, perform line over driver compensation on the pixel units based on line over driver compensation data corresponding to the first polarity frame image, to determine a target over driver grayscale of the pixel units; and to, when a second polarity frame image is displayed, perform line over driver compensation on the pixel units based on line over driver compensation data corresponding to the second polarity frame image, to determine a target over driver grayscale of the pixel units. The first and second polarity are opposite to each other, and the line over driver compensation data corresponding to the first polarity frame image is different from the line over driver compensation data corresponding to the second polarity frame image.
Reference array current sensing
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.
SOURCE DRIVER CHIP AND DISPLAY DEVICE
An embodiment of the present application provides a source driver chip and a display device. Specifically, the source driver chip includes a first pre-charging module for pre-charging first data lines to a first preset voltage and pre-charging second data lines to a second preset voltage when a voltage of a first data signal is greater than a preset reference voltage.
Readout circuit and output circuit for reducing resistance
A readout circuit includes a plurality of input terminals and an amplifier. The amplifier is coupled to at least one of the plurality of input terminals through a readout channel and a replica channel. The amplifier includes a positive input terminal, a negative input terminal and an output terminal. The negative input terminal of the amplifier is coupled to each of the at least one input terminal of the readout circuit through the replica channel. The output terminal of the amplifier is coupled to each of the at least one input terminal of the readout circuit through the readout channel.
Touch display device, driving circuit, and driving method
A touch display device, a driving circuit, and a driving method are provided. An image defect which occurs when display driving and touch driving are simultaneously executed can be reduced by performing control such that a voltage level of a touch electrode driving signal (TDS) varies in a section other than a high-level period (Pon) of an ON-clock signal (ON_CLK) and/or a high-level period (Poff) of an OFF-clock signal (OFF_CLK).
DISPLAY DEVICE AND METHOD OF DRIVING DISPLAY DEVICE
A display device, which is a slidable display device, includes a display panel and a data driver. The display panel includes a first display area, a second display area that is in one of a taken-in position and a taken-out-of position of the display device, and a pad area located on one side of the first display area. The display panel includes pixels disposed in the first and second display areas, and is driven in a first mode in which an image is displayed in the first display area or a second mode in which an image is displayed in the first and second display areas. The data driver generates data voltages based on pixel data, outputs the data voltages to the pixels, and controls an order of the data voltages output in the second mode.
DISPLAY PANEL AND DISPLAY DEVICE
A display panel and a display device are provided. The display panel includes a data driving unit provided a specific sequence of polarities and complementary high/low level for color shift compensation from a 1.sup.st terminal to a 16.sup.th terminal in each cycle unit to solve an issue of liquid crystal panel flicker, crosstalk, etc.
DISPLAY DRIVING DEVICE AND METHOD OF DRIVING DISPLAY SYSTEM
A display driving device according to the present disclosure capable of changing image data at a different time for each color when the image data is changed includes: a first array composed of sampling latches configured to latch n-bit image data for each channel; a second array composed of holding latches configured to latch the image data latched in the sampling latches at a latch timing determined for each latch group; a signal generation circuit configured to generate a latch enable signal which causes the holding latches to perform a latch operation at the latch timing determined for each latch group; and a third array including level shifters configured to shift a voltage level of the image data output from the holding latches.
DRIVING SCHEME FOR FERROELECTRIC LIQUID CRYSTAL DISPLAYS
Systems and methods for driving a pixel of a liquid crystal pixel array with a driving circuit are provided. An exemplary method includes: providing a data signal (Dm) to a storage element via the first transistor (T1); and providing a ramping voltage signal (V.sub.RAMP) to a gate of a second transistor (T2) of the driving circuit to control the on-off status of the second transistor (T2); wherein the ramping voltage signal (V.sub.RAMP) is based on data stored at the storage element; and wherein a duration of an on-state of the second transistor (T2) corresponds to a transmitting state for the pixel.