Abstract: A display panel driving system includes: a display panel having a first panel partition and a second panel partition; a first display driving circuit operatively connected to the first panel partition and configured to drive the first panel partition; a second display driving circuit operatively connected to the second panel partition and configured to drive the second panel partition; and a comparison circuit respectively connected to the first and second display driving circuits; each display driving circuit is utilized to collect brightness level statistics associated with the display panel partitions it drives; each display driving circuit is configured to determine a cathode voltage value associated with the display panel partition it drives and transmit the cathode voltage value to the comparison circuit for comparison for each of the panel partitions and determine a target value which is then utilized to adjust the cathode voltage of the whole display panel.

Abstract: A display device includes a signal receiver configured to receive an image signal; a display including a plurality of modules each including a plurality of light sources, and display an image based on the received image signal; and a controller configured to perform first uniformity calibration between light sources within each individual module with regard to the modules, and second uniformity calibration between the modules, wherein the controller controls the first uniformity calibration to be applied to the image signal received in the signal receiver based on a first coefficient determined for each of the light sources within each individual module, controls the second uniformity calibration to be applied to the image signal subjected to the first uniformity calibration based on a second coefficient determined for each of the modules, and controls a calibrated image to be displayed based on the image signal subjected to the second uniformity calibration.

Abstract: Systems and methods are described for a display driver integrated circuit that is configured to certify whether an application processor and the display driver integrated circuit are genuine products. The display driver integrated circuit includes: an encryptor for generating first encrypted data by encrypting first data; a data converter for converting the first data into a first converted signal expressed with four or more voltage levels; an interface for providing the first converted signal to a host processor, and receiving, from the host processor, a second converted signal corresponding to second encrypted data generated by the host processor; and a determiner for controlling a display panel by comparing the first encrypted data with converted data corresponding to the second encrypted data. The second converted signal transferred through the interface is expressed with the voltage levels.

Abstract: A flexible substrate, a touch display substrate, manufacturing methods thereof, and a touch display device are provided. The flexible substrate includes: a first flexible base substrate; a first buffer layer arranged on the first flexible base substrate; a first pressure sensing electrode arranged on the first buffer layer; and a second flexible base substrate covering the first pressure sensing electrode. The first pressure sensing electrode is capable of forming a pressure sensing capacitor with a second pressure sensing electrode arranged at a side of the second flexible base substrate away from the first pressure sensing electrode.

Abstract: Provided are a display panel and a terminal device. The display panel includes: a display array including a plurality of display portions, the display portion including at least one display subportion; and a plurality of image detectors configured to detect photo signals to obtain a target detection image, the plurality of image detectors being adjacent to the plurality of display portions and having first distribution positions and second distribution positions, the first distribution positions being different from the second distribution positions. The plurality of image detectors are distributed at different distribution positions at the adjacent positions of the plurality of display portions of the display array in different distribution manners.

Abstract: Variations in a receiving circuit employing differential signaling are reduced. The receiving circuit converts a first signal and a second signal which are supplied through differential signaling into a third signal which is a single-ended signal and outputs the third signal. The receiving circuit includes an operational amplifier, a first element, a first transistor, and a first circuit. The first element is connected to the first circuit through a first node to which the first transistor is connected. The first signal and the second signal that is the inverse of the first signal are supplied to the operational amplifier. The operational amplifier supplies an output signal to the first element, and a first preset potential is supplied to the first node through the first transistor. A signal including variations of the operational amplifier is stored in the first element in accordance with the first preset potential.

Abstract: A display module includes a display panel, a source driving circuit, and a timing control circuit. The display panel includes a plurality of sub-pixels, at least one sense signal line, and at least one reference sense signal line. Each sub-pixel includes a pixel driving circuit including a driving transistor. The source driving circuit includes at least one analog-to-digital conversion sub-circuit. Two input terminals of an analog-to-digital conversion sub-circuit in the at least one analog-to-digital conversion sub-circuit are respectively coupled to at least one sense signal line and one reference sense signal line. The analog-to-digital conversion sub-circuit is configured to receive a sense voltage signal from the sense signal line and a reference voltage signal from the reference sense signal line, to obtain a sensing digital signal in accordance with a voltage difference between the sense voltage signals and the reference voltage signal, and to output the sensing digital signal.

Abstract: In example implementations, a display is provided. The display includes a cover lens, a phosphorescent component, a display module and a processor. The phosphorescent component is located adjacent to the cover lens. The display module is located adjacent to the phosphorescent component opposite the cover lens. The processor is communicatively coupled to the display module to cause the display module to generate a desired image that activates corresponding portions of the phosphorescent component before the display is powered down.

Abstract: An active matrix substrate includes a plurality of signal lines, each of which includes first and second line portions and an inner connection portion (connection portion) that connects the first and second line portions. The first and second line portions of one of two adjacent signal lines are made of first and second conductive layers, respectively, and the first and second line portions of the other of the two adjacent signal lines are made of second and first conductive layers, respectively. The position of the connection portion of each of the signal lines is determined in accordance with the layout position of that signal line in the line region.

Abstract: A shift register unit, a gate drive circuit, a display device and a driving method are provided. The shift register unit includes a sub-shift register, a second sub-shift register and an output control circuit. The first sub-shift register includes a first output terminal and a first control node, and is configured to output a first clock signal under control of a level of the first control node. The second sub-shift register include a second output terminal and a second control node, and the second output terminal outputs a display output signal in a display phase and a random output signal in a blank phase under control of a level of the second control node. The output control circuit is connected to the first sub-shift register and the second control node, and is configured to control the level of the second control node under control of an output control signal.

Abstract: According to various embodiments, a method of operating an electronic device, which has a foldable housing that causes first and second portions of a display to face each other in a folded state and to be directed in the same direction in an unfolded state and an illuminance sensor that is disposed on a surface on which the second portion is formed, includes a process of determining an angle formed by the first portion and the second portion using data received from an angle detecting sensor; a process of checking out a reference value corresponding to the determined angle in a lookup table; a process of correcting a first illuminance value from the illuminance sensor using the checked reference value; and a process of controlling brightness of the display based on the corrected first illuminance value at least in part.

Abstract: Disclosed is a calibration device and calibration method for display panel brightness-uniformity.

Abstract: Provided is a display device having a structure in which a hole area in which camera sensors or the like are disposed is included in an active area of a display panel. Data lines among a plurality of data lines bypassing the hole area are disposed on different layers to prevent an increase in the load of data lines, through which green subpixels are driven. Degradations in the luminance of subpixels disposed around the hole area and driven through the data lines bypassing the hole area are prevented. The uniformity of luminance around the hole area is improved.

Abstract: A switching circuit is disclosed. The switching circuit can comprise a plurality of pixel mux blocks, each of the pixel mux blocks configured to be coupled to a respective touch node electrode on a touch sensor panel, and each of the pixel mux blocks including logic circuitry. The switching circuit can also comprise a plurality of signal lines configured to be coupled to sense circuitry, at least one of the signal lines configured to transmit a touch signal from one of the respective touch node electrodes to the sense circuitry. The logic circuitry in each pixel mux block of the plurality of pixel mux blocks can be configured to control the respective pixel mux block so as to selectively couple the respective pixel mux block to any one of the plurality of signal lines.

Abstract: A method for determining a data processing sequence, for determining a selected color in a plurality of colors display by subpixels included in each pixel of a display apparatus, and the method comprising: determining, according to grayscale values of subpixels of candidate colors in a plurality of pixels included in a plurality of frames of images displayed in a current detection cycle, a usage level representative value of each candidate color in the current detection cycle; and selecting one of the candidate colors as a selected color of a next detection cycle according to detection sequence determining parameters, the detection sequence determining parameters including the usage level representative value of each candidate color in the current detection cycle. By this method, the subpixels of colors with large usage level representative values may be detected and compensated in time.

Abstract: An organic light-emitting diode (OLED) driving characteristic detection circuit is provided. The OLED driving characteristic detection circuit comprising a first current integrator receiving a first current via a first sensing channel and outputting a first sampling voltage based on the first current, a second current integrator receiving a second current via a second sensing channel and outputting a second sampling voltage based on the second current, and a sampling circuit receiving the first and second sampling voltages, followed by storing and holding the first and second sampling voltages, and removing common noise components included in the first and second sampling voltages, a third sampling capacitor and a fourth sampling capacitor which are connected to an output terminal of the second current integrator and store and hold the second sampling voltage, and a plurality of switches which connect first ends of the first sampling capacitor to the fourth sampling capacitor.

Abstract: An apparatus that displays a display image based on data about an input image comprises a liquid crystal panel, a backlight including a plurality of light source units corresponding to a plurality of divided regions of the liquid crystal panel; and a controller configured to control each of the plurality of light source units, wherein the controller changes, based on a feature amount related to a luminance in a first region of the input image, a light emission luminance of a light source unit, among the plurality of light source units, corresponding to a second region different from the first region of the input image.

Abstract: The present invention provides a virtual reality environment generating apparatus including a non-base type interface configured to allow a user to haptically touch virtual objects and game characters. The virtual reality environment generating apparatus includes a content creating device 102 configured to create a content based on information from various sensors 108 to 111 and content data, an illusionary tactile force sense evoking device 103 configured to use illusionary tactile force sense data to generate an illusionary tactile force sense evoking function 1713 adapted for the content, an illusionary tactile force sense interface device 101 including a illusionary tactile force sense device 107, and an illusionary tactile force sense device driving control device 112 configured to drivingly control the illusionary tactile force sense device.

Abstract: In a display device with two liquid crystal cells, image quality deterioration depending on brightness and darkness of an environment is reduced. For this purpose, as an image signal for a liquid crystal display panel in which a display image is generated by light passing through a rear liquid crystal cell and a front liquid crystal cell, an image processing unit generates a rear image signal for the rear liquid crystal cell and a front image signal for the front liquid crystal cell. This image processing unit performs a spatial filter process on the rear image signal. Then, a filter control unit controls the spatial filter process performed on the rear image signal in the image processing unit on the basis of a detection value of an illuminance sensor that detects illuminance around the display panel.

Abstract: The method for correcting brightness of a display panel includes: starting a brightness correction process according to a brightness correction starting instruction; obtaining a first curve representing a relationship between absolute values of input voltages of the transparent display area and light emitting brightness values of the transparent display area in a current state; recording the first curve as a relationship curve showing a relationship between absolute values of input voltages and light emitting brightness values of the transparent display area for correcting brightness; and adjusting an input voltage of the transparent display area according to the first curve, so that a front-side light emitting brightness value of the transparent display area is consistent with a light emitting brightness value of the non-transparent display area.