Abstract: A display device can operate in a first mode for displaying at least a first image including first frames based on a first driving frequency, or in a second mode for displaying a second image including second frames based on a second driving frequency different from the first driving frequency. Further, when the first image displayed on the display panel operating in the first mode is changed to a third image, at least one frame among third frames running after the first image has been displayed among the plurality of frames displaying the third image operates at the second driving frequency based on the second mode. Also, in the first mode, the second image includes reset frames for periodically resetting a voltage of an anode electrode between refresh frames for supplying at least one data signal to at least one of the plurality of pixels for a preset time.

Abstract: The present disclosure relates to a method of calibrating luminance of a display panel and can accurately derive a calibration value for luminance of the display panel through a first luminance calibration step of calibrating the display panel using a first calibration value derived after the display panel is driven with a first grayscale value and a second luminance calibration step of calibrating the display panel using a second calibration value derived after the display panel calibrated using the first calibration value is driven with a second grayscale value.

Abstract: A display apparatus can include a display panel configured to display an image, a driver configured to drive the display panel, a controller configured to control driver, and a memory controlled by the controller. The controller performs a calibration operation during an idle period of the memory.

Abstract: Provided is a pixel circuit. The pixel circuit includes a data writing circuit, a light-emission adjusting circuit, a light-emission control circuit, and a light-emission driving circuit; wherein the data writing circuit is coupled to a gate signal terminal, a first data signal terminal and a first node; the light-emission adjusting circuit is coupled to a target signal terminal, the first node and a second node; the light-emission control circuit is coupled to the second node, a reference signal terminal, a light-emission control signal terminal and a third node; the light-emission driving circuit is coupled to the third node, the gate signal terminal, a first power supply terminal, a second data signal terminal and a light-emitting element.

Abstract: Provided display panel includes a pixel circuit and a light emitting element. The pixel circuit includes a drive module, and a bias adjustment module; the drive module includes a drive transistor; and the bias adjustment module is configured to provide a bias adjustment signal to a first pole of the drive transistor or a second pole of the drive transistor. Operation modes of the display panel include a first mode and a second mode, and a brightness level of the display panel in the first mode is greater than a brightness level of the display panel in the second mode. The bias adjustment signal in the first mode is Vs1 and the bias adjustment signal in the second mode is Vs2, and where Vs1?Vs2.

Abstract: A display panel and a display device are provided. The display panel includes a substrate; a light-emitting layer disposed on the substrate; a plurality of separating plates disposed on the light-emitting layer; an encapsulation layer disposed on the plurality of separating plate; and a viewing angle switching assembly disposed in the accommodating cavity. The substrate, the plurality of separating plates, and the encapsulation layer define an accommodating cavity. The viewing angle switching assembly includes a sidewall electrode disposed on the separating plate and charged particles having a first electrical polarity disposed in the accommodating cavity. In a private protection mode, the sidewall electrode has a second electrical polarity opposite to the first electrical polarity.

Abstract: A transparent display apparatus includes a display layer provided in a display region where a first substrate, a second substrate, and a display layer overlap, and a controller controlling a state of pixels of the display layer, an image displayed in the display region from a first surface side of the first substrate and a background on the first surface side are visible, and the controller controls state of first lighting, which lightens an inside of a first space, in causing the display layer to display the image toward a first user in the first space on the first surface side.

Abstract: A computing device may determine a first illumination value based on a first sub-area of an image of a display. The display may include LED zones. The first sub-area may be centered on the image. The computer may define a plurality of second sub-areas of the image based on the LED zones, determine second illumination values of the second sub-areas, compare the second illumination values to a value range, the value range being defined by at least one of an addition and a subtraction of the first illumination value and a threshold value, and actuate the display based on comparing the second illumination values to the value range.

Abstract: A tiling display apparatus includes a set board configured to generate a control command signal and a plurality of display modules connected to one another through a first interface circuit based on a serial communication scheme, for executing a target operation corresponding to the control command signal, and the first interface circuit is implemented with a bidirectional serial interface having a feedback loop type between adjacent display modules of the plurality of display modules.

Abstract: The present disclosure relates to a display apparatus and control method thereof. The display apparatus includes a receiver configured to receive input image data, an accumulator configured to generate a cumulative data count by analyzing a degree of degradation according to the received input image data and a burn-in factor, an interpolator configured to update the cumulative data count in a memory by applying an adaptive weight to the generated cumulative data count, and a compensator configured to generate compensation data using the input image data and the updated cumulative data count.

Abstract: A display apparatus includes: an external input port which is connectable with an external apparatus; a power supply; a display; and at least one processor configured to: obtain first power consumed in the display based on brightness information of the display, determine second power suppliable to the external input port based on the first power consumed and supply power of the power supply, receive information about third power that is configured to supply power to an external apparatus connected to the external input port from the external apparatus, determine fourth power supplied to the external input port based on the second power and the information about the third power, determine an over current protection (OCP) value based on the fourth power, and stop power supply to the external apparatus based on a current value supplied to the external input port exceeding the OCP value.

Abstract: The present disclosure relates to a data driving circuit and a display device including the same, and the data driving circuit includes a plurality of data input terminals to which pixel data of an input image is input, and a plurality of voltage input terminals to which gamma tab voltages for each color having different voltage levels, and common gamma tab voltages having different voltage levels are each input. When the input image includes pixel data having different grayscale values for each color, a data voltage of a corresponding color is changed when any one of the gamma tab voltages for each color is changed, and data voltages of all colors are changed when any one of the common gamma tab voltages is changed.

Abstract: A lighting control method is provided for an ambient lighting device having an ambient lamp including at least one lighting strip, which includes a plurality of lamp beads arranged into a display frame. The method includes starting the ambient lamp and a camera; reading preset frame configuration information, and dividing the display frame into a plurality of unit frames according to the frame configuration information; reading an environment reference image captured by the camera, and dividing the environment reference image into a plurality of regional images corresponding to the plurality of unit frames according to the frame configuration information; and generating a lighting color value corresponding to each lamp bead in each unit frame, based on a main color tone of the regional image corresponding to the unit frame, and controlling the corresponding lamp beads covered by the unit frame with the lighting color value to emit light.

Abstract: An image captured using a sensor on a vehicle is received and decomposed into a plurality of component images. Each component image of the plurality of component images is provided as a different input to a different layer of a plurality of layers of an artificial neural network to determine a result. The result of the artificial neural network is used to at least in part autonomously operate the vehicle.

Abstract: A display device includes a display layer including an active area in which a plurality of pixels is arranged and a peripheral area located adjacent to the active area. The display layer includes a transistor disposed in the active area and including a gate, a source, and a drain, a first crack line disposed in the peripheral area and surrounding a portion of the active area in a plan view, and a second crack line disposed in the peripheral area under the first crack line. The first crack line is insulated from the second crack line.

Abstract: An optical sensor includes a light source emitting signal light, a light sensing element on an optical path of the signal light, and a photoelectric conversion element on a side of the light sensing element away from the light source. The light sensing element is used to receive ambient light and the signal light on one side and transmit an incident light on another side, wherein a transmittance of the light sensing element changes according to an intensity of the ambient light to adjust an intensity of the incident light transmitted from the light sensing element. The photoelectric conversion element is configured to receive the incident light transmitted from the light sensing element, and to output a voltage modulation signal according to the incident light. A glasses is also provided.

Abstract: The present application discloses an image processing device and method, and relates to the technical field of color calibration.

Abstract: Provided are a pixel circuit, a driving method and a display apparatus, including: a light emitting device; a driving transistor, configured to produce a current for driving the light emitting device to emit light according to a data voltage; a voltage control circuit, coupled to the driving transistor, wherein the voltage control circuit is configured to reset the driving transistor (M0) and input the data voltage in response to a loaded signal; and a light emitting control circuit, coupled to the driving transistor and the light emitting device, wherein the light emitting control circuit is configured to provide the current produced by the driving transistor to the light emitting device; wherein a frequency of resetting the driving transistor is not less than a frequency of inputting the data voltage.

Abstract: The present disclosure provides an electronic device and a driving method thereof. The electronic device includes a pixel compensation circuit and a display panel. The pixel compensation circuit receives a pixel signal. The pixel signal includes multiple sub-pixel gray-scale values. The pixel compensation circuit compensates the sub-pixel gray-scale value according to the difference between the sub-pixel gray-scale values and the first threshold value to output an adjusted pixel signal. The display panel displays an image screen according to the adjusted pixel signal.

Abstract: Provided display panel includes a pixel circuit and a light emitting element. The pixel circuit includes a drive module including a drive transistor, and a bias adjustment module configured to provide a bias adjustment signal to a first pole or a second pole of the drive transistor. Data refresh frequencies of the display panel include a first data refresh frequency F1 and a second data refresh frequency F2, where F1>F2. At the first data refresh frequency F1, the bias adjustment signal is Vf1, and at the second data refresh frequency F2, the bias adjustment signal is Vf2, where Vf1?Vf2; or, at the first data refresh frequency F1, a duration of a bias adjustment stage in one data refresh period is T1, and at the second data refresh frequency F2, a duration of a bias adjustment stage in one data refresh period is T2, where T1?T2.

Abstract: A display device includes a display panel comprising a display region for displaying an image, a light source device comprising a plurality of light sources configured to emit light toward the display panel, and a drive circuit configured to drive the display panel based on an image signal including information on the image.

Abstract: A flicker debugging method and device for a display panel. The flicker debugging method for a display panel includes acquiring multiple display brightness data of the display panel in a preset time period; processing the multiple display brightness data to obtain a time-domain signal of the multiple display brightness data that is continuous in a time domain; determining the flicker degree parameter of the display panel according to the change rates of the display brightness data in multiple first time periods in the time-domain signal of the multiple display brightness data, where the duration of each first time period is determined according to the visual persistence time of a human eye, and the duration of the preset time period is greater than the duration of each first time period; and determining whether to debug the display panel according to the flicker degree parameter.

Abstract: A display device includes a first transistor controlled using a second control signal obtained by shifting a first control signal and electrically connected between an image data signal line and a first node, a second transistor electrically connected between the first node and a second node, a third transistor controlled using the first control signal and electrically connected between the second node and a gate electrode of the second transistor, a fourth transistor controlled using a fourth control signal obtained by shifting a third control signal and electrically connected between a driving power supply line and the second node, a fifth transistor controlled using the third control signal and electrically connected to the first node, a sixth transistor controlled using the third control signal and electrically connected to a light emitting element and a first electrode of the fifth transistor, and the light emitting element connected to the first electrode.

Abstract: A control device is for use in a case where frame periods, each being a period in which one image continues to be displayed, vary in length within a given range or temporarily become stable in length on a frame-by-frame basis, and accurate lengths of the frame periods are not known beforehand. The control device changes a total number of subframe periods to reconfigure the frame period with n subframe periods, where n is an integer of two or more, regardless of the frame period input, and causes the display of the image. The control device includes a signal processor that outputs an output video signal according to a first input video signal on a subframe-period-by-subframe-period basis; and a controller that supplies the output video signal output from the signal processor and a control signal for controlling an operation of the display panel to the display panel.

Abstract: A driving method and apparatus, an electronic device, and a storage medium, which ameliorate smearing when image switching are described. In an embodiment, a driving method for an organic light-emitting diode (OLED) display panel includes: correcting, if a current display brightness value of the OLED display panel is below a brightness threshold, grayscale data of an Nth frame to obtain corrected grayscale data of the Nth frame; obtaining a compensation value of an (N+1)th frame according to grayscale data of the (N+1)th frame and the corrected grayscale data of the Nth frame; performing compensation according to the compensation value of the (N+1)th frame and the grayscale data of the (N+1)th frame to obtain compensated grayscale data of the (N+1)th frame; and outputting the compensated grayscale data of the (N+1)th frame to the OLED display panel.

Abstract: The present application discloses a method and an apparatus for compensating for brightness of a display panel, a display device, and a storage medium, and belongs to the field of display technologies. The method comprises: acquiring a brightness value of the display panel; acquiring, based on the brightness value of the display panel, a compensation function corresponding to the brightness value, and compensation parameters of the compensation function; and compensating for the brightness of the display panel by using the compensation function corresponding to the brightness value, the a degree at which the brightness of the image to be displayed by the display panel is compensated is negatively correlated with the brightness value of the display panel.

Abstract: A pixel includes: a light-emitting diode; a first transistor; a second transistor connected to a gate of the first transistor and to a data line; a third transistor connected to the gate of the first transistor and to a first voltage line; a fourth transistor connected to the first transistor and a second voltage line; a fifth transistor connected to the first transistor and to a third voltage line; and a sixth transistor connected to the first transistor and to the light-emitting diode, where a gate signal supplied to a gate of the sixth transistor is a signal obtained by shifting a gate signal supplied to a gate of the fifth transistor by a certain time.

Abstract: Provided are an interactive method, a head-mounted device (100), an interactive system (500), and a storage medium. The interactive method is applied in an interaction between the head-mounted device (100) and a mobile terminal (400). The head-mounted device (100) includes a first camera (310). The mobile terminal (400) includes a second camera (410). The interactive method includes: triggering the first camera (310) to transmit a connection request to the mobile terminal (400); and establishing a connection between the mobile terminal (400) and the head-mounted device (100) based on a consent request transmitted by the mobile terminal (400) via the second camera (410).

Abstract: A display device includes: a display panel having a first region and a second region defined in the display panel, in which the second region is adjacent to the first region in a first direction. The display panel includes: a first pixel disposed in the first region, a second pixel disposed in the second region, a first bias voltage line electrically connected to the first pixel to transmit a first bias voltage, and a second bias voltage line electrically connected to the second pixel to transmit a second bias voltage. A time point, at which a level of the first bias voltage is changed, differs from a time point at which a level of the second bias voltage is changed, when the display panel operates at a first frame frequency.

Abstract: A display substrate and a display apparatus are disclosed, the display substrate includes multiple light emitting output lines connected with a light emitting drive circuit and multiple scan output lines connected with a scan drive circuit; at least one light emitting output line includes at least two light emitting output parts connected with each other, a scan output line has an integrally formed structure, or, a light emitting output line has an integrally formed structure, at least one scan output line includes at least two scan output parts connected with each other, or at least one light emitting output line includes at least two light emitting output parts connected with each other, at least one scan output line includes at least two scan output parts connected with each other; at least two light emitting output parts located on a same light emitting output line are arranged in different layers.

Abstract: A data compensating circuit includes a stress data generating block which generates stress data for each pixel based on input image data or output image data, a memory control block which updates accumulated stress data for each pixel, a first compensating block which reads the accumulated stress data for each pixel from a first non-volatile memory device to generate afterimage compensation data for each pixel, a compensation data summing block which reads optical compensation data for each pixel from a second non-volatile memory device to generate luminance compensation data for each pixel by summing the afterimage compensation data for each pixel and the optical compensation data for each pixel, an internal memory device which stores the luminance compensation data for each pixel, and a second compensating block which generates the output image data by compensating for the input image data based on the luminance compensation data for each pixel.

Abstract: An operating method of a calibration system for a display device obtains image information about an image displayed on display device and wavelength information about pixels of the image information using a hyperspectral camera included in an electronic device, transmits the obtained image information and wavelength information to a first application in the electronic device, generates calibration data about the obtained image information and wavelength information through the first application and transmits the calibration data to a second application in the display device, and performs color calibration of the display device based on the calibration data transmitted to the second application to display a color calibrated image.

Abstract: A semiconductor device with a novel structure is provided. The semiconductor device includes a plurality of arithmetic blocks each including an arithmetic circuit portion and a memory circuit portion. The arithmetic circuit portion and the memory circuit portion are electrically connected to each other. The arithmetic circuit portion and the memory circuit portion have an overlap region. The arithmetic circuit portion includes, for example, a Si transistor, and the memory circuit portion includes, for example, an OS transistor. The arithmetic circuit portion has a function of performing product-sum operation. The memory circuit portion has a function of retaining weight data. A first driver circuit has a function of writing the weight data to the memory circuit portion. The weight data is written to all the memory circuit portions included in the same column with the use of the first driver circuit.

Abstract: A device may include an electronic display to display an image frame based on first and second color component input image data. The electronic display may include a first illuminator to generate a first light at a first brightness level, a second illuminator to generate a second light of a different color at a second brightness level, a first set of pixel locations to emit the first light based on a first set of pixel values, and a second set of pixel locations to emit the second light based on a second set of pixel values. The electronic device may also include pixel contrast control circuitry that determines the first brightness level and the first set of pixel values based on the first color component input image data and determines the second brightness level and the second set of pixel values based on the second color component input image data.

Abstract: A method of operating a backlight comprises: receiving an input video; analyzing characteristics of the input video within a plurality of predefined spatial windows having one or more light emitting diodes to generate required light levels; generating backlight drive levels per spatial window to reduce the backlight in a first set of the plurality of the predefined spatial windows; and driving the backlight according to the generated backlight drive levels.

Abstract: A compensation apparatus and method, a display apparatus and a working method thereof, and a storage medium are provided, the compensation apparatus includes a first memory, a first timer and a processor; the first timer starts timing from the processor receiving the pixel data to obtain the first timing information and send the first timing information to the processor; the processor receives the pixel data and the first timing information, compensate the gray-scale data of the pixel data according to the first timing information and the compensation parameters in the pre-term compensation parameter set when the first timing information does not reach the first time node value, compensate the gray-scale data of the pixel data according to the first timing information and the compensation parameters in the mid-term compensation parameter set.

Abstract: A brightness adjustment method and a brightness adjustment device of a display panel and a display device are provided. The brightness adjustment method of the display panel including a plurality of sub-pixels includes acquiring grayscale data received by the display panel; performing a data processing process on the grayscale data and at least inserting a plurality of transitional grayscales between a 0-order grayscale and a 1st-order grayscale to form target grayscale data; and adjusting the brightness of the plurality of sub-pixels based on the target grayscale data.

Abstract: In a first operation, in a tournament circuit, any one row of data lines is selected according to a selection signal, and a voltage of the selected data line is output to a test output terminal via an amplifier. In a second operation, a selection circuit in a first layer in the tournament circuit is in an off state between all the data lines and an input end of a selection circuit in a second layer.

Abstract: The present disclosure provides a setting method of a display panel and the display panel, the method includes: acquiring a first chromaticity information of a first gray scale and a second chromaticity information of a second gray scale; acquiring a first difference value between the first chromaticity information and the second chromaticity information; and adjusting gray scale voltages of the first gray scale and/or the second gray scale when the first difference value is greater than a preset difference threshold, and a second difference value between the first chromaticity information and the second chromaticity information after adjustment is less than the first difference value.

Abstract: A laser projection apparatus includes a laser source assembly, a display control circuit, a signal shaping circuit and a laser source driving circuit. The display control circuit is configured to output a first driving signal and a second driving signal. The signal shaping circuit is coupled to the laser source driving circuit, and is configured to shape the first driving signal based on a shaping signal to obtain a target driving signal. A frequency of the target driving signal is higher than a frequency of the first driving signal. The laser source driving circuit is coupled to the laser source assembly, and is configured to receive the second driving signal and the target driving signal, and drive the laser source assembly to be turned on or turned off in response to the second driving signal and the target driving signal.

Abstract: A driving method of an electronic paper display apparatus, including: inputting, by a controller, a first driving signal to a pixel electrode of a pixel driving circuit corresponding to a pixel which is required to display black, according to an image to be displayed; and inputting, by the controller, a second driving signal to a pixel electrode of a pixel driving circuit corresponding to a pixel which is required display white, according to the image to be displayed. A driving stage of the electronic paper display apparatus comprises a first homogenization stage which comprises a plurality of homogenization sub-stages. At a last homogenization sub-stage, the first and second driving signals comprise first and second driving sub-signals, respectively. Voltages of the first driving sub-signal and the second driving sub-signal have polarities opposite to polarities of the black particles and the white particles, respectively.

Abstract: A display device includes a backlight consisting of a plurality of division areas and a display panel. Emission luminance for each division area is calculated based on input image data, a correction value for correcting the input image data is calculated based on the emission luminance, the input image data is corrected based on the calculated correction value, the transmittance of the display panel is controlled based on the corrected image data, and light emission of each division area is controlled based on the calculated emission luminance. One frame period of the input image consists of a plurality of subframe periods, and a process of calculating the correction value for correcting the input image data based on the emission luminance is divided into a plurality of partial processes, which are sequentially performed by executing each partial process in each subframe period.

Abstract: A display apparatus is disclosed. The display apparatus includes a display panel including first pixels and second pixels, and a display panel driver which drives the display panel. In a first mode, the display panel driver drives both the first pixels and the second pixels. In a second mode, the display panel driver drives the second pixels in a first part for one frame, and drives the first pixels in a second part for the one frame.

Abstract: The present disclosure provides a display compensation method and device, and a display panel. The display compensation method includes: determining a central pixel column, a first pixel column, a second pixel column, a third pixel column, and a fourth column, in a predetermined direction; determining a target pixel area according to grayscale values of pixel units contained in each pixel column; and adjusting the grayscale value of each pixel unit in the target pixel area to be equal to one actual grayscale value of a picture to be displayed.

Abstract: Provided display panel includes pixel circuit and light emitting element. The pixel circuit includes a drive module including a drive transistor, and a bias adjustment module to provide a bias adjustment signal to a first pole or a second pole of the drive transistor. Operation modes of the display panel include a first mode and a second mode, and a brightness level of the display panel in the first mode is greater than a brightness level of the display panel in the second mode. An operation process of the pixel circuit includes a data writing frame and a holding frame; the data writing frame and the holding frame in the first mode respectively correspond to a bias adjustment signal of Vs11 and Vs12; the data writing frame and the holding frame in the second mode respectively correspond to a bias adjustment signal of Vs21 and Vs22; where |Vs11?Vs12|=|Vs21?Vs22|.

Abstract: A luminance difference correction method and a light emitting display apparatus using the same is discussed. The luminance difference correction method can include receiving by an camera an image, which is output from a camera region of a light emitting display panel and is reflected by at least one of a reflector or a cover glass associated with the apparatus. The method can further include analyzing by a controller the image received by the camera, and varying a level of at least one of (i) a gamma voltage used to generate a data voltage to be output to data lines included in the light emitting display panel, and (ii) one or more of driving voltages supplied to pixels included in the light emitting display panel.

Abstract: Provided is a display device with extremely high resolution, a display device with higher display quality, a display device with improved viewing angle characteristics, or a flexible display device. Same-color subpixels are arranged in a zigzag pattern in a predetermined direction. In other words, when attention is paid to a subpixel, another two subpixels exhibiting the same color as the subpixel are preferably located upper right and lower right or upper left and lower left. Each pixel includes three subpixels arranged in an L shape. In addition, two pixels are combined so that pixel units including subpixel are arranged in matrix of 3×2.

Abstract: A display system includes a circuit device and a first light source driver to an n-th light source driver. The circuit device performs local dimming control on a display device including a display panel and a backlight. The first light source driver to the n-th light source driver drive the backlight based on dimming information of the local dimming control. An i-th light source driver PWM-drives an i-th light source element group among the first light source element group to the n-th light source element group provided in a target area based on dimming information for the target area. The target area is an area to be driven by the first light source driver to the n-th light source driver among a plurality of areas of the backlight in the local dimming control.

Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a drive module and a first initialization module. The drive module is configured to generate a drive current. The first initialization module is configured to supply a first initialization voltage to a first node. The first node is connected to the light-emitting element. A first control terminal of the first initialization module is configured to transmit the first initialization voltage to the first node in response to a first scan control signal. A display period of the display panel includes a first display stage and a second display stage. In the first display stage, a total effective-pulse duration of the first scan control signal is T1. In the second display stage, the total effective-pulse duration of the first scan control signal is T2. T1<T2.

Abstract: In a backlight apparatus, a master driving circuit generates a transmission frame including a training period including a clock training pattern and a data period including a plurality of data packets respectively corresponding to the plurality of blocks. A plurality of slave driving circuits correspond to the plurality of blocks, respectively, and are connected to the master driving circuit in a daisy chain structure. Each slave driving circuit receives the transmission frame through the daisy chain structure, recovers a clock based on the clock training pattern, and drives the plurality of light emitting elements included in a corresponding block among the plurality of blocks based on its own data packet among a plurality of data packets.