510 results about "Display driver" patented technology

Disclosed is a flexible display device for a vehicle, including a casing with an opening defined therein, a display unit capable of being retracted into and extended out of the casing via the opening, a display driver for moving the display unit, and a display winder for winding the display unit thereon based on the movement of the display unit.

The invention belongs to the technical field of display driving, and particularly relates to a gate driving circuit and a display panel, the gate driving circuit comprises a plurality of clock signal lines and cascaded N driving units, and the nth-level driving unit further comprises a pre-charging module used for pre-charging the nth-level driving unit under the action of a level transmission signal of the (n-i) th-level driving unit, the driving control node is charged through a first driving signal of the (n-i) th-stage driving unit; the output module is used for outputting a first driving signal through the first driving output end and outputting a second driving signal through the second driving output end under the action of the control voltage on the driving control node; according to the gate driving circuit, the number of the driving units can be reduced by half on the premise that the number of the output signals is the same through the mode that the first-stage driving unit outputs the two driving signals, so that the number of transistors in the gate driving circuit is greatly reduced, a narrow-frame product can be achieved, meanwhile, the cost of a panel is reduced, and the stability of the panel is improved.

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 invention discloses a display driving circuit and a display device. The display driving circuit comprises a scanning control module and an output module, the scanning control module comprises a forward control unit, a reverse control unit and a first control node which are symmetrically arranged; wherein the forward control unit comprises a first transistor and a first leakage protection module, and the reverse control unit comprises a second transistor and a second leakage protection module; the forward control unit and the reverse control unit are used for enabling the scanning control module to realize a forward and reverse scanning function according to signals input into the control ends of the transistors, and outputting a first control signal to the output module through a first control node; and the output module is used for performing pull-up control and / or pull-down control according to the first control signal so as to output a driving signal. Therefore, according to the technical scheme, the display driving circuit is optimized, electric leakage can be avoided or electric leakage current can be reduced, and therefore the output stability of the driving signal is ensured.

An display panel, including: a flexible display substrate; a circuit board on a back side of the flexible display substrate, wherein the circuit board is bonded and connected to the flexible display substrate, and is provided with a circuit device on a back side of the circuit board far away from the flexible display substrate; an auxiliary bending protection structure on the back side of the flexible display substrate, wherein the auxiliary bending protection structure is fixedly connected to the back side of the flexible display substrate, and the circuit device is in a region where the auxiliary bending protection structure is located.

The utility model provides a wire controller based on gesture recognition control, which is provided with an MCU (Microprogrammed Control Unit) controller, a gesture recognition sensor and an LCD (Liquid Crystal Display) driver, the MCU controller is in circuit connection with the gesture recognition sensor, the MCU controller is in circuit connection with the LCD driver, the gesture recognition sensor has a sleep awakening function, and the LCD driver is in circuit connection with the gesture recognition sensor. The gesture recognition sensor is used for recognizing gesture actions in a recognizable area in an infrared thermal imaging mode and sending a gesture instruction generated based on the recognized gesture actions to the MCU, and the MCU is used for receiving the gesture instruction and sending a corresponding application instruction to an external electric appliance according to the gesture instruction. The MCU controller is further used for receiving feedback information of an external electric appliance and sending the feedback information to the LCD display driver, the LCD display driver is used for receiving and displaying the feedback information, gesture actions can be recognized in an infrared thermal imaging mode, the LCD display driver displays feedback in real time, and the real-time performance of the wire controller in non-contact control is improved.

Embodiments of this application provide a display driver circuit, a control method for a display driver circuit, a display module, and an electronic device, and relate to the field of display technologies, to resolve a problem that an over-designed driver circuit cannot meet a low power consumption requirement. The display driver circuit is used in a display module, and may include at least one dynamic bias generator, a plurality of gamma operational amplifiers, a resistor string, and a plurality of source driving channels. The dynamic bias generator is configured to output a dynamically adjustable bias current. At least one of the plurality of gamma operational amplifiers may be electrically connected to the dynamic bias generator, and the gamma operational amplifier is configured to output a gamma reference voltage based on the bias current. The resistor string performs voltage division on output terminals of two adjacent gamma operational amplifiers.

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.

A method of driving a display panel includes outputting a plurality of gate clock signals to the display panel, wherein the display panel includes a full refresh display area and a partial refresh display area. The plurality of gate clock signals are used by a gate driving circuit in the display panel, to generate a plurality of scan driving signals. In a partial refresh frame period, the plurality of gate clock signals keep toggling during N horizontal line periods corresponding to the full refresh display area and stop toggling during M horizontal line periods corresponding to the partial refresh display area.

Circuitry for adjusting luminance of a display device is provided. The circuitry includes a non-volatile memory array having a plurality memory cells configured to store luminance data of the display device, and a luminance adjusting circuit configured to receive image data to be displayed on the display device. The luminance adjusting circuit is coupled directly to the non-volatile memory array to receive the luminance data of the display device from the non-volatile memory array and adjust the image data based on the luminance data of the display device.

A display may have an array of pixels each of which has a light-emitting diode such as an organic light-emitting diode. A drive transistor and an emission transistor may be coupled in series with the light-emitting diode of each pixel between a positive power supply and a ground power supply. The pixels may include first and second switching transistors. A data storage capacitor may be coupled between a gate and source of the drive transistor in each pixel. Signal lines may be provided in columns of pixels to route signals such as data signals, sensed drive currents from the drive transistors, and predetermined voltages between display driver circuitry and the pixels. The switching transistors, emission transistors, and drive transistors may include semiconducting-oxide transistors and silicon transistors and may be n-channel transistors or p-channel transistors.

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.

Systems and methods for splash screen management in preboot environments. In an illustrative, non-limiting embodiment, an Information Handling System (IHS) may include: a processor, and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution, cause the processor to: determine, by a Basic Input / Output System (BIOS) application, that a display driver of a Board Support Package (BSP) provided by a manufacturer of the processor; and send a message, from the BIOS application to the display driver, to replace a first splash screen with a second splash screen.

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.

The invention relates to a single clock display driver. Aspects of the specification provide a circuit (100). In at least some examples, a circuit includes a driver (104A). The driver includes a phase locked loop (108A) and a digital interface (105A). The phase-locked loop is configured to receive a first clock signal and provide a second clock signal based on the first clock signal. The digital interface is configured to receive a first clock signal, receive data from a data frame at successive rising and falling edge transitions of the first clock signal, extract a portion of the data frame addressed to the driver from the data frame, and provide a remaining portion of the data frame after the portion of the extracted data frame addressed to the driver.

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 scan driver includes stages which sequentially output scan signals to scan signal lines during an active period of an N-th frame, and at least one of the stages includes an output node controller that supplies a gate-on voltage to a pull-up node in response to a gate control signal of a display driver, and an output controller that supplies a scan signal to a scan signal line by outputting a scan clock signal, which is input through a scan clock terminal, to the scan signal line in case that the gate-on voltage is supplied to the pull-up node, wherein the output node controller includes a thin-film transistor which is turned on in response to a simultaneous driving control signal, supplies the scan clock signal to the pull-up node, and periodically receives the scan clock signal in case that the thin-film transistor is turned off during the active period.

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 relates to systems, methods, and apparatus for providing a sequence-based display driver. A display driver device (210) receives a downloadable "sequence" for dynamically reconfiguring displayed image characteristics in an image system. The display driver device includes one or more storage devices, such as a memory device (218) for storing image data and a memory device (219) for storing a portion of the drive sequence, which are downloaded and / or updated in real-time according to various inputs (214).

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.

The invention provides a display device. The display device comprises a display panel; the display device comprises a display panel, a conductive mesh layer, a transparent conductive layer and a frame body, the frame body comprises a conductive material, the display panel is arranged in the frame body, and the frame body is electrically connected with the transparent conductive layer to form a grounding path. According to the display device, static electricity generated by the display panel and the external environment is prevented from directly invading the display driving circuit through an electrical path between the display panel and the display driving circuit; meanwhile, light passing through a path is ensured, and light loss is reduced.

The invention provides a display module, electronic equipment and a voltage adjusting method, the method is applied to the display module, the display module comprises a display driving chip and a display screen, the method comprises the following steps: when the display screen is in a first display mode, the display driving chip determines to switch the display screen to a second display mode according to received first information, the first input voltage and the first output voltage corresponding to the second display mode are a first voltage value and a second voltage value, the display driving chip receives the first voltage output by the first power supply as the first input voltage, and the first voltage is the voltage output by the first power supply according to the received first voltage value. And the display driving chip outputs a first output voltage to the display screen according to the second voltage value, for example, the first input voltage and the first output voltage are gate voltages. The input voltage and the output voltage of the display driving chip can be dynamically adjusted according to the display mode of the display screen, so that power consumption is reduced under the condition that normal display of the display screen is guaranteed.

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.

A display device includes a first display panel including a plurality of first sub-pixels, a first display driver circuit configured to control an image display operation of the first display panel, a second display panel disposed in front of the first display panel and including a plurality of second sub-pixels and a plurality of light-transmitting areas disposed adjacent to the plurality of second sub-pixels, and a second display driver circuit configured to control an image display operation of the second display panel, wherein the second display panel is superimposed with the first display panel at a predetermined distance.

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.