Abstract: The present disclosure relates to a display device including a display circuit, a sensor, a light control circuit and a processing circuit. The display unit includes a first display unit and a second display unit adjacent to the first display unit. The sensor obtains a first brightness value of the first display unit and a second brightness value of the second display unit. The light control circuit adjusts the light transmittance of multiple light control units of the light control circuit. The processing circuit calculates a brightness difference ratio value according to the first brightness value and the second brightness value. When the brightness difference ratio value is greater than a threshold value, the processing circuit adjusts a light control signal to change the light transmittance corresponding to the position of the second display unit.

Abstract: The present disclosure relates to a pixel compensation method and device, a storage medium, and a display screen, and belongs to the field of display technologies. The method includes: sensing a plurality of subpixels in a first target grayscale of a display screen by using a plurality of photosensitive units, to obtain an actual luminance value of each subpixel; determining a theoretical luminance value of each subpixel in the first target grayscale based on a compensation sensing model, where the compensation sensing model is used to record a correspondence between target grayscales and theoretical pixel data, and the theoretical pixel data includes a reference luminance value of each subpixel; and performing pixel compensation on each subpixel based on the actual luminance value of each subpixel and the theoretical luminance value of each subpixel.

Abstract: Provided are a computer program products, systems, and methods for directing a system to control an intensity of light emanating from a display positioned within a vehicle to display content to be viewed from outside of the vehicle. The system determines whether the system is operating in a first mode or a second mode based on at least one vehicle operating condition. A light level within the vehicle is sampled more frequently during the second mode than during the first mode. A determination is made as to whether a threshold change in the sampled light level occurs when in the second mode, and an intensity of the display is adjusted in response to the occurrence of a threshold change.

Abstract: A display system, a display control method for the display system and a non-transitory computer readable recording medium storing a program executable by a computer coupled to the display device are provided. The display system includes an HMD and a smartphone. The HMD includes an image display unit that transmits outside light and displays an image, and a DP illuminance sensor that detects an illuminance of the outside light. The smartphone includes an SP display control unit that adjusts, based on first illuminance information indicating a detection result of the DP illuminance sensor, a brightness of the image displayed by the image display unit, and an SP illuminance sensor that detects the illuminance. The SP display control unit can adjust the brightness of the image, based on second illuminance information indicating a detection result of the SP illuminance sensor.

Abstract: A method for compensating luminance of a display device according to some embodiments of the present disclosure includes capturing an image of the display device, generating imaging data, primarily mapping display pixels of the display device and the imaging data so that a unit mapping area corresponding to the display pixels includes luminance values for image pixels of an imaging device, setting an offset value of the imaging data with respect to the display pixels so that a maximum luminance value among the luminance values is positioned at a center of the unit mapping area, secondarily mapping the imaging data according to the offset value with respect to the display pixels, calculating a representative luminance value, and setting a luminance correction value corresponding to the representative luminance value with respect to one of the display pixels.

Abstract: The present disclosure provides a fingerprint detection device and method. The fingerprint detection device includes a detection substrate and a signal converter. The detection substrate includes pixels arranged in rows and columns. Each pixel includes a sensing circuit configured to receive an optical signal and output a sensing electrical signal according to the received optical signal. The signal converter includes A/D converters each coupled to one column of sensing circuits. The fingerprint detection device further includes a control circuit coupled to the sensing circuits and the A/D converters and configured to obtain common mode component of sensing electrical signals output by sensing circuits of at least part of the pixels and provide information about the common mode component to the A/D converters. The A/D converter is configured to perform analog-to-digital conversion on difference between the sensing electrical signal from corresponding sensing circuit and the common mode signal.

Abstract: Systems and methods pertaining to iris recognition are disclosed. A system is disclosed comprising an iris imager configured to acquire an iris image, and a processor configured to receive a first plurality of iris images from the iris imager, generate a first plurality of iris codes corresponding to the first plurality of iris images, generate a distribution metric corresponding to an iris cell location, generate a first composite iris code using the distribution metric, and generate a first match value using the first composite iris code and a first stored iris code.

Abstract: Disclosed is a method for correcting an image displayed by an electronic device including: obtaining a first region movable based on an input in a display region included in a display for displaying a first image, sensing that movement of the obtained first region has started based on the input, determining a characteristic of an image distortion correcting filter applied based on an orientation of the electronic device with respect to a ground based on the sensing, generating a second image by correcting the first image based on the movement based on the input and the determined characteristic of the image distortion correcting filter while the input is maintained, and displaying the generated second image on the display.

Abstract: In one embodiment, a stylus with one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly to a device through a touch sensor of the device has one or more sensors for detecting movement of the stylus.

Abstract: The present disclosure describes methods of contrast enhancement and dual-cell display apparatus. The method includes receiving an RGB value of each second pixel of a displayed image, and determining a brightness value of each first pixel according to the RGB value of each second pixel. The method also includes determining a local brightness adjustment factor and a global brightness adjustment factor by performing statistics processing for local region brightness values and global image brightness values according to the brightness value of each first pixel; and calculating a brightness drive signal corresponding to the first pixel, according to the brightness value of each first pixel, the local brightness adjustment factor and the global brightness adjustment factor. The brightness drive signal adjusts a transmittance of a corresponding pixel of the first panel. The global brightness adjustment factor adjusts an output brightness value of a corresponding pixel of the first panel.

Abstract: A brightness-unevenness compensation method and device and a display panel are provided. The method includes: obtaining brightness-unevenness information of a display panel and a plurality of gray-scale compensation data for compensating brightness-unevenness of the display panel; storing the plurality of gray-scale compensation data in a manner of a compensation table with a plurality of compensation data groups having different compensation distances being associated with the same number of data bits and in both vertical and horizontal directions; reading the plurality of compensation data groups from the compensation table and compensating gray-scale data to-be-displayed to obtain compensated gray-scale data, after the display panel is powered on; and outputting the compensated gray-scale data for picture display.

Abstract: This application discloses a display, a display apparatus, and a ground resistor adjustment method. The display includes: a drive circuit of a display panel, an integrated end circuit, and an adjustable resistance circuit, where the adjustable resistance circuit controls and adjusts a resistance value between the drive circuit of the display panel and the integrated end circuit.

Abstract: Visual safety is ensured when image switching takes place. When an image is switched by nonlinear reproduction, a display property is kept switched, during a transition display period, to a transition display property with a brightness level kept lower than a normal level, on the basis of pixel statistical information regarding the image. For example, an electro-optic conversion property is controlled to a transition property or the brightness level of a backlight is suppressed.

Abstract: A method and device for modulating a brightness-grayscale curve of a display device are provided. The method includes determining an applicable standard brightness-grayscale curve for eye perception; obtaining theoretical brightness values corresponding to respective grayscales of the display device based on the applicable standard brightness-grayscale curve for eye perception and at least one of an eye pupil change factor, an environmental factor and a factor related to the display device; modulating brightnesses of the display device according to the theoretical brightness values corresponding to the respective grayscales of the display device. The above method is a solution to the problems of low grayscale details, backlighting, high grayscale saturation, and transition-color unevenness. The problem is solved that a visible grayscale in a dimmed session is no longer distinguishable in a bright environment. And a quantifiable standard for modulation control is provided.

Abstract: An electronic device may have a display and a rear housing. A coating may be formed on an inner surface of a display cover layer for the display or on an inner surface of the rear housing. The coating may include one or more inorganic layers such as inorganic layers in a thin-film interference filter or other layer of material. A buffer layer having a polymer with adhesion promotion additive and embedded silicon oxide particles may be interposed between the coating and a glass layer forming the rear housing or between a patterned indium tin oxide coating on a display cover layer and an adhesive layer that attaches a pixel array to the display cover layer.

Abstract: The present disclosure relates to a compensation circuit and a method for controlling the same, a display panel and a display device. The compensation circuit includes a sensing line for receiving a current from the source to the drain of the first transistor The compensation circuit includes a first switch having a terminal electrically connected to the sensing line. The compensation circuit includes a current sensor electrically connected to another terminal of the first switch and configured to determine a value of a current on the sensing line when the first transistor is turned on and the first switch is closed The compensation circuit includes a controller electrically connected to the current sensor and the data line for adjusting a data signal input to the data line according to the value of the current.

Abstract: A non-uniform illumination pattern is determined with a display panel of a display device. The non-uniform illumination pattern comprises different values of the one or more illumination properties in first and second spatial regions of the display panel. An illumination compensation pattern is generated based at least in part on the non-uniform illumination pattern. The illumination compensation pattern is configured to homogenize values of the illumination properties in a plurality of spatial regions of the display panel that include the first and second spatial regions, and implemented in the display device.

Abstract: A liquid crystal display includes a plurality of sub-pixels arranged in an array. A method of driving the liquid crystal display includes determining a frame rate weight according to a current frame rate of a plurality of image frames, performing linear prediction according to the current frame rate to generate an initial overdrive value of a sub-pixel, selecting an error correction value according to a previous gray level of the sub-pixel, generating an overdrive weight according to the previous gray level and a current gray level of the sub-pixel, generating an overdrive offset according to a product of the error correction value, the frame rate weight and the overdrive weight, combining the initial overdrive value and the overdrive offset to generate a corrected overdrive value, and driving the sub-pixel according to the corrected overdrive value.

Abstract: An electronic device may include an electronic display having multiple pixels to display an image based on processed image data. Each of the pixels may include multiple sub-pixels. The electronic device may also include image processing circuitry to receive input image data, in a first color space, having luminance values for each of the sub-pixels. The circuitry may also map the input image data from the first color space to a second color space and apply a multi-dimensional lookup table, based on the input image data in the second color space, to generate compensated image data. The lookup table may receive the luminance values for each of the sub-pixels and output corrected luminance values compensated for an expected amount of current leakage between the sub-pixels. The circuitry may also inversely map the compensated image data from the second color space to the first color space to generate the processed image data.

Abstract: An object identifying method, suitable for an object identifying circuit configured to be disposed under a display panel, includes the following operations: displaying a black pattern by the display panel; generating a plurality of first sensing signals of a plurality of first sensor pixels of the display panel arranged in the black pattern; generating a plurality of second sensing signals of a plurality of second sensor pixels of the display panel arranged in a contact area with which the display panel contacting an object to be identified; adjusting voltage levels of the plurality of second sensing signals according to the plurality of first sensing signals; and generating an image corresponding to the object to be identified from the adjusted plurality of second sensing signals.