G09G3/3618

TIMING CONTROLLER, DRIVING SYSTEM, DISPLAY DEVICE, AND METHOD FOR DRIVING DISPLAY DEVICE

A timing controller includes a receiver and a processor. The receiver is configured to receive image signals of image frames to be displayed. The processor is configured to determine refresh rates of the image frames to be displayed according to the image signals of the image frames to be displayed, and output different control signals according to different refresh rates of the image frames to be displayed.

PIXEL DRIVING CIRCUIT, PIXEL UNIT AND DRIVING METHOD, ARRAY SUBSTRATE, AND DISPLAY DEVICE
20210366396 · 2021-11-25 ·

A pixel driving circuit, a pixel unit and a driving method therefor, an array substrate, and a display device for reducing mura phenomenon comprise: a data write sub-circuit for transmitting signals input by the data voltage terminal to a first node; an input and read sub-circuit for transmitting a signal input from a signal transmission terminal to a second node, or reading an electric signal of the second node to the signal transmission terminal; and an output control sub-circuit for transmitting a signal of a first voltage terminal to a drive sub-circuit, and transmitting a driving signal output by the drive sub-circuit to a driven circuit, wherein the drive sub-circuit outputs the driving signal under control of the signal of the first node and the signal of the first voltage terminal.

Display driver circuit suitable for applications of variable refresh rate

A display driver circuit, configured to drive a display panel, includes a time recording circuit, a storage circuit, and an output control circuit. The time recording circuit calculates a first time interval between a first vertical synchronous pulse and a second vertical synchronous pulse subsequent to the first vertical synchronous pulse. The storage circuit stores a display data corresponding to the first vertical synchronous pulse when the first vertical synchronous pulse is received by the display driver circuit. The output control circuit is coupled with the time recording circuit and the storage circuit. When the display driver circuit receives the second vertical synchronous pulse, the output control circuit outputs data pieces, generated by dividing the display data, to the display panel. The data pieces are outputted at second time intervals, and each of the second time intervals is positively correlated with the first time interval.

Pan-warping and modifying sub-frames with an up-sampled frame rate

In an embodiment, a method includes accessing a first rendered frame generated based on a first viewing direction of a user. The first rendered frame may be generated at a first frame rate. The method includes generating, based on the first rendered frame, one or more sub-frames at a second frame rate that is higher than the first frame rate. A first sub-frame of the one or more sub-frames is generated by determining a second viewing direction of the user based on sensor data and applying one or more transformations to the first frame based on the second viewing direction. The method includes outputting the one or more sub-frames for display at the second frame rate.

Method for driving liquid crystal display device

The liquid crystal display device includes a first substrate provided with a terminal portion, a switching transistor, a driver circuit portion, and a pixel circuit portion including a pixel transistor and a plurality of pixels, a second substrate provided with a common electrode electrically connected to the terminal portion through the switching transistor, and liquid crystal between a pixel electrode and the common electrode. In a period during which a still image is switched to a moving image, the following steps are sequentially performed: a first step of supplying the common potential to the common electrode; a second step of supplying a power supply voltage to the driver circuit portion; a third step of supplying a clock signal to the driver circuit portion; and a fourth step of supplying a start pulse signal to the driver circuit portion.

Image update method for a display device and driving device thereof
11776510 · 2023-10-03 · ·

A screen update method for a display device and a driving device thereof, the frame update method includes: following a write-in command, controlling a driving circuit to drive a display panel to update a screen; the write-in command represents writing a display data to a storage element. The driving device includes: the driving circuit, which is coupled to the display panel and drives the display panel to update the screen; and a control circuit, which receives the write-in command and the display data, is coupled to the driving circuit; the control circuit follows the write-in command writing the display data to the storage element, and follows the write-in command to control the driving circuit to drive the display panel to update the screen.

System and method for providing fast response time performance with low latency in liquid crystal displays

According to various embodiments of the present disclosure, a system and method for providing fast response time performance with low latency in Liquid Crystal Displays (LCDs) are described. In some embodiments, an Information Handling System (IHS) may include a controller and a memory coupled to the controller, the memory having program instructions stored thereon that, upon execution, cause the controller to receive LCD display capability information from a display device, and determine from the received capability information, that a video stream sent to the display device has a lower frame rate than the capabilities of the display device. Using this information the instructions then increase the frame rate of the video stream by repeating each frame during a current time window of the frame.

Timing controller for adjusting refresh rates based on image signals and method for driving display device

A timing controller includes a receiver and a processor. The receiver is configured to receive image signals of image frames to be displayed. The processor is configured to determine refresh rates of the image frames to be displayed according to the image signals of the image frames to be displayed, and output different control signals according to different refresh rates of the image frames to be displayed.

Display device and method for operating same
11798508 · 2023-10-24 · ·

The present invention relates to a display device having a more improved variable refresh rate (VRR) function, and comprises: a control unit for executing a variable refresh rate (VRR) function of adjusting a screen refresh rate according to an image signal; and a display unit for outputting an image according to the screen refresh rate, wherein the control unit can increase the screen refresh rate adjusted according to the image signal.

Method for Reducing or Eliminating Tearing Effect of an Image on a Display of a Wearable Computing Device
20230351979 · 2023-11-02 ·

A wearable computing device includes an outer covering, a housing, an electronic display configured to display an image, and a display drive integrated circuit (DDIC) comprising a processor and a memory device. The memory device(s) includes a blanking time programmed therein based on one or more parameters of the image and/or the DDIC, which generally refers to the time period in which the DDIC receives pixel data of the image from an external controller. The memory device stores instructions that when executed by the processor cause the processor to perform operations, including receiving an indication to rotate the image by a certain angle, upon receipt of the indication, starting to receive a transmission of the pixel data of the image from the external controller, and completing the transmission of the pixel data of the image during the blanking time and before the DDIC displays the image on the electronic display so as to avoid a tearing effect of the image on the electronic display.