G09G2360/12

Display driver system with embedded non-volatile memory

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.

Display device performing adaptive refresh

A display device includes display device includes: a display panel including a plurality of pixels; a data driver configured to generate data voltages based on output image data, and to provide the data voltages to the plurality of pixels; and a controller configured to receive input image data and input frequency information from a host processor, and to provide the output image data to the data driver, wherein the controller includes an adaptive refresh block configured to: determine a target frequency by analyzing the input image data; determine a masking ratio based on an input frequency represented by the input frequency information and the target frequency; and selectively output the input image data as the output image data by performing a masking operation on the input image data with the masking ratio.

Larger backplane suitable for high speed applications
11538431 · 2022-12-27 · ·

A display system comprising a plurality of display controller circuits controlling a like number of independent segments of pixel drive circuits of a backplane. Each pixel drive circuit comprises a memory element and associated pixel drive circuitry. The segments of the backplane may be organized vertically. The word line for the memory cells of a first segment of pixel drive circuits passes underneath a second segment of pixel drive circuits without directly interacting with the pixel drive circuits of the second segment in order to reach the pixel drive circuits of the first segment. The plurality of display controller circuits operate asynchronously but are kept at the same frame rate by an external signal such as Vsync.

Display apparatus and virtual reality display system for generating a temporary image based on head tracking information

The present disclosure provides a display apparatus including a head tracker obtaining information of movement of a user and formed on a display substrate and generating a temporary image using the information of the movement of the user. The head tracker is configured to output information of movement of a user to the driving controller. The driving controller is configured to generate a temporary image based on the information of the movement of the user. The display panel is configured to selectively display an input image and the temporary image.

Protection circuit of memory in display panel and display apparatus
11514960 · 2022-11-29 · ·

Disclosed is a protection circuit of a memory in a display panel. The circuit includes: a timing controller, for outputting a first control signal; a memory, for storing software data of the timing controller; a power supply circuit, for outputting a power signal; and a monitor circuit, having three input ends and a signal output end, two input ends being respectively connected to the power supply circuit and a control signal output end, and the other one input end being input with a write control signal; the monitor circuit controls the memory to be in a write protection state when in a normal state, and controls the memory to be in a write enable state when a level state collection of the power signal, the first control signal, and the write control signal satisfies a preset level state collection.

Electronic device and method for controlling storage of content displayed on display panel

An electronic device according to various embodiments may comprise: a display; a processor; a memory; and a display drive circuit for driving the display panel, wherein the display drive circuit is configured to: receive first frame data including at least a part of a second content from the processor while a first content is displayed using the display panel; keep from storing the received first frame data in the memory at least temporarily for a designated period of time; receive second frame data including at least a part of the second content from the processor after the designated period of time; store the received second frame data in the memory; and display the second content on the display panel according to the second frame data.

EXTENDING ASYNCHRONOUS FRAME UPDATES WITH FULL FRAME AND PARTIAL FRAME NOTIFICATIONS
20220375436 · 2022-11-24 · ·

Disclosed herein are techniques to provide notification of the type and/or attributes of frame updates. A platform can notify a panel of further frame updates, whether the frame update is a full frame update or a partial frame update and attributes of the frame update. The platform can notify the panel of information about the frame update during a vertical blanking interval by asserting a command or signaling the panel using selected symbols during the vertical blanking interval.

Wireless programmable media processing system

Embodiments of the subject matter described herein relate to a wireless programmable media processing system. In the media processing system, a processing unit in a computing device generates a frame to be displayed based on a graphics content for an application running on the computing device. The frame to be displayed is then divided into a plurality of block groups which are compressed. The plurality of compressed block groups are sent to a graphics display device over a wireless link. In this manner, both the generation and the compression of the frame to be displayed may be completed at the same processing unit in the computing device, which avoids data copying and simplifies processing operations. Thereby, the data processing speed and efficiency is improved significantly.

Image transmission device, image display system capable of remote screenshot, and remote screenshot method
11500605 · 2022-11-15 · ·

A remote screenshot method adapted to a sender and a receiver having a communicable connection with the sender, wherein the sender electrically connects to an electronic device to receive an image signal outputted by the electronic device, the receiver electrically connects to a display device to show the image signal, and the remote screenshot method comprises: sending a capturing instruction through a first communication circuit by the sender; receiving the capturing instruction through a second communication circuit by the receiver; obtaining a captured image according to the capturing instruction by the sender, wherein the captured image is associated with the image signal shown by the display device; sending the captured image to the first communication circuit through the second communication circuit by the receiver; and storing the captured image in a storage circuit by the sender.

Display device selectively performing a mura correction operation, and method of operating a display device

A display device includes a display panel including a plurality of pixels, a gate driver configured to provide gate signals to the plurality of pixels, a data driver configured to provide data signals to the plurality of pixels, a correction data memory configured to store mura correction data, and a controller configured to control the gate driver and the data driver. The controller includes a pattern detection block configured to detect a set pattern in input image data, and a mura correction block configured to perform a mura correction operation that corrects the input image data based on the mura correction data in response to the set pattern not being detected, and to not perform the mura correction operation in accordance with the set pattern being detected.