G09G2330/021

Controlling display performance using display statistics and feedback

One embodiment provides for a display system to generate and display data on a display device, the display system comprising one or more graphics processors to generate one or more frames of data for display on the display device; a window manager to submit a request to display the one or more frames of data; a display engine to present the one or more frames of data to the display device for display; and display logic to receive the request to display the one or more frames of data and generate one or more display events for the display engine based on the request to display the one or more frames of data, wherein the display logic is to manage a set of statistics associated with the request.

Driving circuit, display device, and driving method thereof
11568804 · 2023-01-31 · ·

A display panel driving system includes: a display panel having a first panel partition and a second panel partition; a first display driving circuit operatively connected to the first panel partition and configured to drive the first panel partition; a second display driving circuit operatively connected to the second panel partition and configured to drive the second panel partition; and a comparison circuit respectively connected to the first and second display driving circuits; each display driving circuit is utilized to collect brightness level statistics associated with the display panel partitions it drives; each display driving circuit is configured to determine a cathode voltage value associated with the display panel partition it drives and transmit the cathode voltage value to the comparison circuit for comparison for each of the panel partitions and determine a target value which is then utilized to adjust the cathode voltage of the whole display panel.

DISPLAY DEVICE
20230237952 · 2023-07-27 ·

A display device including: a power management integrated circuit (IC) including a feedback terminal for receiving a feedback voltage that corresponds to an input voltage and an output terminal for supplying a first voltage; a display driver IC electrically connected to the power management IC, the display driver IC including an input terminal for receiving the input voltage that corresponds to the first voltage; and a frequency compensation circuit connected to the input terminal, the feedback terminal, and the output terminal, the frequency compensation circuit including a feedback capacitor and a feedback resistor.

Display device including a touch panel

A display device includes a display panel that includes a plurality of pixels, a touch panel that includes a plurality of driving lines and a plurality of sensing lines, a display driver that drives the display panel at a first display frame rate in a normal driving mode, and that drives the display panel at a second display frame rate lower than the first display frame rate in a low power driving mode, and a touch controller that drives the touch panel with a mutual capacitance sensing method in the normal driving mode, and that drive the touch panel with a self capacitance sensing method in the low power driving mode.

Display panel, manufacture method thereof and display apparatus

A display panel, a manufacture method thereof and a display apparatus are provided. The display panel includes a display area, which includes a plurality of pixel units, wherein the pixel units include electroluminescent display devices and pixel drive circuits for driving the electroluminescent display devices to emit light; the electroluminescent display devices include light-emitting devices and virtual light-emitting devices; the light-emitting devices are electrically connected with the pixel drive circuits, while the virtual light-emitting devices are not connected with the corresponding pixel drive circuits; the display area includes a first display area and a second display area; and in the first display area and the second display area, the distribution density of the electroluminescent display devices is the same, and the density of the pixel drive circuits in the second display area is less than that of the pixel drive circuits in the first display area.

Pixel and display device including pixel
11715421 · 2023-08-01 · ·

A pixel includes an organic light emitting diode that is configured to output light based on a driving current, and includes a first terminal and a second terminal. A driving transistor is configured to generate the driving current, and includes a first terminal to which a first power supply voltage and a bias power supply voltage are applied, a second terminal connected to the first terminal of the organic light emitting diode, and a gate terminal to which a first initialization voltage is applied. The first dual gate transistor is connected between the gate terminal of the driving transistor and the second terminal of the driving transistor. The first switching transistor includes a first terminal to which the bias power supply voltage is applied, a second terminal connected to the first terminal of the driving transistor, and a gate terminal to which a light emitting diode initialization signal is applied.

Displays with current-controlled pixel clusters

A current-selectable light-emitting-diode (LED) display includes pixels distributed in an array of rows and columns. The pixels are grouped in mutually exclusive clusters and cluster controllers are connected to each pixel in a cluster of pixels to control the pixels in the cluster to emit light. Each cluster controller comprises a selectable current source. Each of the selectable current sources can include cluster current sources that are responsive to a current-select signal to enable one or more of the cluster current sources. The pixels can include micro-LEDs and the cluster controller can be disposed between the micro-LEDs. The display can be disposed on a display substrate with signal wires. The signal wires can include separate wire segments that are electrically connected through regeneration circuits that regenerate the signals. The display can be an information display or a backlight.

Display device having gate input voltage compensation
11715414 · 2023-08-01 · ·

A display device includes: a display panel including pixels, first to N-th gate integrated circuits (GICs) embedded in gate circuit boards and configured to output gate signals to the pixels, a first gate input power line and a first gate input signal line formed to pass through the gate circuit boards and connected to the GICs, a first feedback power line connected to the first gate input power line, a power supply configured to output a first gate input voltage to the first gate input power line, a first compensator configured to output a first compensation signal in response to a first feedback voltage from the first feedback power line, and a controller configured to output a first gate control signal to the first gate input signal line and output a power control signal to the power supply in response to the first compensation signal.

ELECTRONIC SHELF LABEL SYSTEM WITH SHELF EDGE STRIP SUB-SYSTEM
20230022207 · 2023-01-26 ·

An electronic shelf label system, wherein the system comprises a near-field communication, NEC for short, sub-system on a shelf edge strip of a shelving unit, which is characterized such that the shelf edge strip comprises a shelf edge strip controller, wherein the shelf edge strip controller comprises a first wireless communication module, which is designed for wireless communication according to a first communication method with an access point for the purpose of data transmission with a server of the shelf label system, and wherein the shelf edge strip controller comprises an NFC-enabled second communication module for NFC-based energy supply and communication with at least one NFC-enabled shelf label, which can be fastened to the shelf edge strip, and the shelf edge strip comprises at least one conductor loop constructed on it and connected to the second NFC-enabled communication module, wherein the conductor loop is used for NFC communication with the NFC-enabled shelf label, and wherein the shelf edge strip comprises a light-emitting unit, and the shelf edge strip controller is constructed for actuating the light-emitting unit as a consequence of the data transmission.

FRAME RATE ADJUSTMENT METHOD, APPARATUS AND DEVICE, COMPUTER-READABLE STORAGE MEDIUM AND COMPUTER PROGRAM PRODUCT

A frame rate adjustment method, apparatus and device, a computer-readable storage medium and a computer program product. The method includes: acquiring running data of a client during running in a foreground when the client in the terminal device supports dynamic frame rate switching; determining a running scenario of the client based on the running data; determining a target running frame rate of the client based on the running scenario; and performing, by the client, image outputting according to the target running frame rate, and triggering an operating system of the terminal device to adjust a refresh rate of a screen according to the target running frame rate.