307 results about "Display driver" patented technology

The invention relates to the technical field of screen display adjustment and visual health protection, and discloses a screen color temperature intelligent adjustment method and system, and the method comprises the steps: obtaining a user face image sequence and ambient light perception data; according to the face image sequence, eye features are extracted, a dynamic change trend is analyzed, blinking frequency and eyelid closing duration data are calculated, and a visual fatigue evaluation value is obtained; according to the ambient light sensing data and the visual fatigue evaluation value, correcting the fatigue degree and classifying fatigue stages to obtain color temperature and brightness adjustment parameters; and transmitting the adjustment parameter to a screen display driver for gradual change processing to obtain a final screen display configuration. According to the method, personalized accurate adjustment of the screen parameters is realized, visual fatigue is effectively relieved, and the use experience and the visual health protection effect are improved.

The present disclosure relates a display device and a vehicle equipped with the display device. The display device may include a display driver moving a display, a display winder winding and unwinding the display according to the movement of the display, and a display support unit supporting the display. The display support unit may include a housing supporting the display, a door provided in the housing and movable to enable the display to move into and out of the housing, and a door driver moving the door.

The invention discloses an automatic advertisement screenshot and container automatic expansion method and system in a virtual desktop environment. A virtual display capable of exporting a DMA-BUF is created by deploying a Virtual Display Driver in a kernel of a host machine, and after Chrome is driven by Puppeteer to complete hardware acceleration rendering in a container, zero-copy desktop-level screenshot is carried out on a shared memory frame buffer by utilizing desktop-script-native; and meanwhile, a Kubernetes CRD unified database task and a declarative API are adopted, a Redis Stream second-level index and a predictive HPA algorithm are combined to realize advanced delta t capacity expansion of Pod, and the P99 queuing delay is ensured to be less than 2s. According to the method, single-node concurrency is improved by 3.2 times without extra hardware cost, CPU occupation is reduced by 45%, WebGL / Flash advertisement fidelity is 100%, and the method is suitable for cloud advertisement verification, brand security and programmed creative monitoring scenes.

An electronic device is provided. The electronic device includes a housing, a display including a fixed part which maintains a flat surface, and a rolling part which extends from the fixed part and of which one portion is bent in response to movement so as to be partially withdrawn out of the housing or inserted into the housing, a display driver integrated circuit (IC) configured to drive the display, memory, including one or more storage media, storing instructions, and at least one processor, configured to control the display driver IC, communicatively coupled to the display, the display driver IC, and the memory, wherein the display includes multiple detection wires connected to the display driver IC to distinguish and detect damage of the fixed part or the rolling part, and arranged on an edge of the display.

A driving system, a display system, and a display device are disclosed. The driving system includes a timing controller and a plurality of display drivers; the timing controller is connected to the display drivers, respectively; each display driver includes a regional dimming signal generation unit and an LED driving control unit. After the timing controller transmits a first display data packet to each display driver, the regional dimming signal generation unit in each display driver generates a corresponding backlight brightness signal according to the first display data packet, and the LED driving control unit in each display driver generates a plurality of corresponding LED driving control signals according to the backlight brightness signal, so that the display driver can also drive a backlight circuit.

The invention discloses an image transmitting and displaying method and electronic equipment, and relates to the technical field of terminals. The electronic device comprises an SoC and a display screen, when a display drive of the SoC is not sent to display, after high-frequency TE is started, a TE signal is generated according to a second frequency, Vsync is generated according to a first frequency, and the second frequency is larger than the first frequency. The SoC generates the timestamp according to the first frequency based on the TE signal, so that the value of the calibration count can be normally increased, and the calibration counting of the Vsync signal and the TE signal is successfully completed.

A display driver drives a color sequential liquid crystal display. The display driver obtains pixel intensity data for a pixel of the display, including a first color sub frame (CSF) pixel intensity value and a second CSF pixel intensity value for a second CSF following the first CSF. Selection logic is applied to the pixel intensity data to select a start time for a modulation pulse: for a given second CSF pixel intensity value, in response to a first first CSF pixel intensity value, a first start time is selected from a plurality of predefined potential start times; and in response to a second first CSF pixel intensity value greater than the first first CSF pixel intensity value, a second start time later than the first start time is selected. The liquid crystal material of the pixel is driven with a modulation pulse starting at the selected start time.

The present disclosure provides a display module, a display device, and a driving method. The display module comprises: a touch and display driver circuit, comprising a touch driver circuit and a display driver circuit, wherein the touch driver circuit is electrically connected to a first power signal terminal and a second power signal terminal; and a switching circuit, electrically connected to the display driver circuit, the first power signal terminal, and the second power signal terminal, and configured to connect or disconnect the first power signal terminal and the second power signal terminal to or from the display driver circuit in response to a signal of an enable signal terminal. By means of coordination of the touch driver circuit, the display driver circuit, and the switching circuit, power consumption can be reduced, and energy waste can be avoided.

According to one embodiment disclosed herein, an electronic device may comprise: a housing forming at least a portion of the exterior of the electronic device; a display panel which is disposed on the housing and includes a first planar portion visible through the front surface of the electronic device, a bending portion extending from the first planar portion and at least partially bent, and a second planar portion extending from the bending portion and disposed below the first planar portion; a display driver integrated circuit disposed on one surface of the second planar portion facing the rear surface of the electronic device; and a flexible printed circuit board which is electrically connected to the second planar portion and disposed to cover the display driver integrated circuit. The flexible printed circuit board includes: a base part including at least one base conductive layer; and a first part which is positioned between the base part and the second planar portion and includes one or more first conductive layers, wherein an extension layer among the one or more first conductive layers of the first part extends along the second planar portion so as to protrude relative to the remaining first conductive layers of the first part, and may be electrically connected to the second planar portion. Various other embodiments may be possible.

The invention provides a display panel, a display driving method, a display driver, a display module and electronic equipment, and belongs to the field of display technologies. The display panel comprises a substrate and a plurality of pixels, wherein each pixel comprises a plurality of sub-pixels; each sub-pixel comprises a first electrode layer, an organic light-emitting layer and a second electrode layer which are sequentially arranged on the substrate in a stacked mode. The first electrode layer comprises a main electrode, an auxiliary electrode and a partition layer, the auxiliary electrode is arranged around the main electrode, the partition layer is arranged between the auxiliary electrode and the main electrode, and the auxiliary electrode and the main electrode are insulated from each other. In the embodiment of the invention, the main electrode and the auxiliary electrode can be independently controlled, and when an unexpected organic light-emitting material is deposited above the first electrode layer of the sub-pixel, namely vapor plating color mixing occurs, the organic light-emitting layer corresponding to the auxiliary electrode is controlled not to emit light, so that the adverse effect of vapor plating color mixing on the display effect of the display panel can be effectively improved, and the display effect of the display panel is improved. And the display effect of the display panel is ensured.

A three-dimensional (3D) display device including: a display unit configured to display an image; a display driver configured to display, on the display unit, a plurality of first images based on a depth component of the image and a second image based on a planar component of the image; a first lens array including a plurality of first lens elements provided at a first pitch on a rear side of the display unit; a second lens array including a plurality of second lens elements provided at a second pitch wider than the first pitch of the plurality of first lens elements on a rear side of the first lens array; a plurality of light source assemblies respectively located on rear sides of the plurality of second lens elements and including a plurality of light sources; and a light source driver.

This disclosure provides an image display method, an image display device, and a display system. The image display method is applied to a display driver chip and includes: for a frame of image data divided into multiple bit planes, storing at least one bit plane in at least one first pixel storage unit of a pixel array in order from the highest weight bit to the lowest weight bit, each first pixel storage unit being used to store one bit plane; storing other bit planes from the multiple bit planes, except those stored in the first pixel storage units, in multiple block caches divided into a frame buffer, each block cache being used to store multiple rows of data in the other bit planes; loading the other bit planes from the multiple block caches via a line cache to a selected second pixel storage unit in the pixel array, and loading the bit planes stored in the first pixel storage unit to the selected second pixel storage unit in the pixel array; and driving a light-emitting unit to display image data through the data in the second pixel storage unit.

A display device includes a display panel and a display driver circuit. The display driver circuit includes a driving controller configured to receive an image signal at a variable frame rate, and output image data obtained through by converting of the image signal in response to a synchronization signal. The driving controller includes a light emitting control block. The light emitting control block compares a reference period of a reference cycle section of a light emitting cycle of the display panel, which is preset, with a display period of the present frame section, changes the reference period to an adjusted period depending on a comparison result, and outputs a driving control signal for controlling the display panel to emit light during an adjusted cycle section in which the display panel has the adjusted period from a starting time point of a next frame section.

An electronic apparatus includes a fingerprint recognition module, a touch controller, a processor, a display driver and a display module. The touch controller is configured to send a first control signal to the fingerprint recognition module in response to a heart rate detection instruction to control the fingerprint recognition module to collect blood flow information. The processor is configured to obtain the blood flow information and determine heart rate information based on the blood flow information, and generate a second control signal based on the heart rate information and send the second control information to the display driver. The display driver is configured to generate a first display driving signal based on the second control signal to control the display module to alternately display a first image and a second image, a switching frequency of the first image and the second image matching the heart rate information.

The application relates to a near-eye display device and a smart wearable device, the near-eye display device comprising: an optical display module (1), the optical display module comprising a pair of optical lens assemblies (11), each optical lens assembly being provided with a display (12); a driving component (2), the driving component comprising a display driver, and the driving component being connected with the display (12); when the near-eye display device is in operation, the driving component (2) is connected with a remote device (3) to perform signal transmission; and a connecting component for connecting the optical display module (1) to glasses (4). The near-eye display device is suitable for users who wear prescription glasses daily, is convenient to fold and carry, and has high use comfort.

A display device is provided, including a substrate including a display area and a non-display area; a pixel driving circuit provided in the display area; a first electrode connected to the pixel driving circuit; a light emitting device provided on the first electrode; a second electrode provided on the light emitting device; a user signal generator configured to output a user signal; and a display driver configured to control the user signal generator and detect a touch by using a touch sensing signal received from the display area.

The application provides a method, device, equipment and medium for displaying energy consumption of a driver, and the method comprises the following steps: obtaining steering signal data from a self-power steering system; obtaining throttle signal data from a throttle device; obtaining braking signal data from a braking device; calculating a driver energy consumption value according to the steering signal data, the throttle signal data and the braking signal data; and displaying the driver energy consumption value on a vehicle-mounted display. The application shows the driver relevant information about driving behavior, so that the driver can pay attention to the driving behavior during driving without increasing hardware and computing power costs.

The invention relates to an external display screen driving method and system based on an Android system, an external display screen is connected with Android equipment through a low-speed serial interface, and the method comprises the steps that S1, a Native layer initialization function is called through a JNI interface on an Android application layer; s2, an LVGL graphic library is loaded on a Native layer; s3, registering and adapting external display screen hardware of the low-speed serial interface through a display driving interface of the LVGL graphics library; s4, executing a color space conversion algorithm on the Native layer, and converting color graphic data output by the LVGL graphic library into color format data suitable for the target external display screen; and S5, transmitting the converted display data to an external display screen through a device driving interface of the Linux kernel. According to the method, the lightweight LVGL graphics library is integrated into the Android application through the JNI technology, and the display screen connected through the low-speed serial interface is directly driven in the user space, so that the efficient and flexible display driving is realized under the condition that the source code of the Android system is not modified, and the multi-screen different display function is supported.

This disclosure discloses a display driver device in which the power consumption of a chip is optimized by controlling each output channel of the chip. The display driver device includes a current consumption control circuit for each output channel. The current consumption control circuit is configured to selectively provide a control current with a high current quantity to drive the output voltage at the output terminal of an output buffer in response to a pattern variation having a large difference between the input voltage and the output voltage.

An electronic device includes a first display panel which displays a left-eye image, a second display panel which displays a right-eye image, a display driver integrated circuit which provides left-eye output grayscale data to the first display panel and provides right-eye output grayscale data to the second display panel, and a processor which provides left-eye input grayscale data and right-eye input grayscale data to the display driver integrated circuit. Each of the left-eye image and the right-eye image includes one or two selected from a first color, a second color different from the first color, and a third color different from the first and second colors.

An example display device includes a first display driver circuit that outputs a first gamma reference voltage to a first display panel, and a second display driver circuit that outputs a second gamma reference voltage to a second display panel different from the first display panel, and determines the difference between the first gamma reference voltage and the second gamma reference voltage, and keeps outputting the second gamma reference voltage when the difference is smaller than a first reference value, and changes the second gamma reference voltage when the second gamma reference voltage is less than the first gamma reference voltage and the difference is equal to or greater than the first reference value.

The invention relates to the technical field of electronics associated with display driving printed circuits, in particular to a multi-screen compatible embedded mainboard circuit system and a display self-adaption method thereof, and the system comprises a main control chip, a display interface module comprising a first display interface and a second display interface, and a configurable screen power supply module. Wherein a group of reusable signal pins of the main control chip are electrically and simultaneously connected to the first display interface and the second display interface, and respond to software configuration to directly drive one of the first display interface and the second display interface. The configurable screen power supply module provides various selectable working voltages for the second display interface through selection of physical devices. The method comprises the steps of physically configuring screen power supply voltage, configuring pin working modes through software and the like. Under the condition that an external protocol conversion chip is not added, a pin multiplexing function built in the main control chip is utilized and a configurable power supply scheme of hardware is combined, so that a single mainboard hardware platform is compatible with various display screens with different interface standards and power supply specifications.

This invention relates to the field of intelligent control technology and discloses a method and system for adaptive brightness adjustment of a display screen. The method includes: acquiring ambient light intensity data and analyzing its changing trends to determine the directional characteristics of light intensity as the basis for adaptive speed adjustment; inputting the adaptive speed adjustment basis into a visual adaptation model to generate smooth curve parameters adapted to human eye characteristics, generating a brightness transition sequence through discretization sampling, and converting the brightness transition sequence into an adjustment instruction set; obtaining a target reference value from the adjustment instruction set, calculating the deviation between the actual brightness and the target reference value through a feedback mechanism to obtain a corrected brightness value; fusing real-time light intensity and historical data to construct a time series set and predicting the expected light sequence to generate a primary and backup adjustment path, adaptively switching based on the light intensity deviation; extracting the current adjustment instruction and transmitting it to the display driver module to achieve gradual brightness adjustment and a visually comfortable state. This method can achieve precise adaptation between human eye characteristics and display device hardware.

The utility model provides a monocular display, and belongs to the technical field of real soldier confrontation training, the monocular display comprises an eyepiece, a display screen and a processing system, the eyepiece is fixedly connected with the front end of a main control bin through a fastening screw, the rear end of the main control bin is fixedly connected with a rear cover through a sunk screw, the main control bin is a hollow cylinder, and the display screen and the processing system are integrated in the cylinder; the processing system comprises a display driving board, and a heat dissipation silicon wafer is arranged on the back of the display driving board; required parts can be highly integrated through the structural design, the size is reduced, and the heat dissipation performance of the mainboard can be improved through the design of the heat dissipation silicon wafer.

A display driver includes an image processing circuit and a driver circuit. The image processing circuit is configured to receive spatial distribution information of a physical quantity related to a display panel. The image processing circuit is further configured to generate output voltage data by processing input pixel data associated with sub-pixels of a pixel. The driver circuit is configured to drive the display panel based on the output voltage data.

The invention discloses a voltage buffer, a voltage buffering method, a display driving chip and electronic equipment, and belongs to the technical field of display. The voltage buffer comprises a voltage buffer module and an offset calibration module. The voltage buffer module comprises a first output stage and a second output stage. The voltage buffer module is used for outputting a first output voltage to a load through the first output stage in a non-calibration mode; or in the calibration mode, a second output voltage is output to the imbalance calibration module through the second output stage; and the offset calibration module is used for performing current compensation on the voltage buffer module based on the second output voltage under the condition that the second output voltage is received so as to calibrate the direct current offset of the voltage buffer module. Therefore, the direct current offset of the voltage buffer module is calibrated in a current compensation mode, and due to the fact that the establishment time of the second output voltage in the calibration mode is short, the offset calibration speed is increased.

A delay control circuit generates output timing signals that cause pixel drive signals to be output at timings after elapse of different delay times. The delay control circuit includes: first to sth delay timing signal generation circuits, generating first to kth delay timing signals that bring about output timings increasing in delay time; a control signal generation circuit, supplying a start pulse signal that initiates generation of the first to kth delay timing signals to the first to sth delay timing signal generation circuits; and a delay signal selection circuit, for each output channel with respect to first to sth delay timing signal groups each including the first to kth delay timing signals, selecting from among s delay timing signals the delay timing signal that brings about an earliest output timing, and setting the delay timing signals as the first to kth output timing signals.

This application discloses a display control method, a display driver chip, and an electronic device, relating to the field of image display, for implementing DDIC adaptive adjustment of the display screen's frame rate. The display control method includes: step S1, receiving image data; step S2, scanning the display screen according to the image data within a first scan interval in a first refresh period, where the first scan interval refers to the minimum time required to complete the scan of one frame of image; the period following the first scan interval in the first refresh period is a first hold interval; step S3, sending multiple tearing effect TE signals within the first hold interval, where the TE signals indicate that the image data has been refreshed; step S4, if new image data is received within the first hold interval, execution restarts from step S2.

The application provides a display screen driving method, a display driver and an electronic device, relates to the technical field of display, and aims to improve the stroboscopic problem of the display screen and improve the eye protection performance of the display screen. The display screen driving method comprises the following steps: in a first dimming interval, PWM dimming is adopted, a plurality of groups of anodes are reset during each frame image display period, one set of gamma voltage scheme is adopted to be compatible with a first frame rate and a second frame rate, and the first frame rate and the second frame rate cannot be divided by each other; and in a second dimming interval, DC dimming is adopted, one group of anodes is reset during each frame image display period, and two sets of gamma voltage schemes are adopted to be compatible with the first frame rate and the second frame rate.

This utility model provides an anti-static interference LED display driver module, relating to the field of LED display technology. It includes a base frame with a mounting bracket on one side. The mounting bracket has two through holes arranged in a horizontal and vertical array on its surface. Two limiting holes are located in the middle of each of the two through holes, and limiting posts are located at the top of each of the four limiting holes. A display driver board is located on one side of the base frame. During installation, the base frame is pressed against the mounting bracket, causing the fixing bracket and limiting posts to pass through the through holes and limiting holes respectively. During this process, the mounting bracket pushes the locking block back into the fixing bracket. When the fixing bracket has completely passed through the through holes, the locking block loses the pressure of the mounting bracket and pops out again under the action of a return spring, locking the mounting bracket. Simultaneously, the four limiting posts restrain the base frame, thus completing the installation of the LED display driver module. The entire installation process only requires pressing, eliminating the need for mounting bolts and solving the drawback of having to align and tighten bolts one by one during installation.