G09G2320/02

PIXEL DRIVING CIRCUIT, DISPLAY PANEL AND DISPLAY APPARATUS
20220328003 · 2022-10-13 ·

Provided is a pixel driving circuit, a display panel and a display apparatus. The pixel driving circuit includes: driving transistor having gate electrode connected to first node, first electrode connected to second node, and second electrode electrically connected to third node coupled to light emitting element; storage capacitor connected to the first node; and M first transistors having M first and second electrodes connected to the first node M functional signal terminals, respectively, M≥1. A driving cycle of the pixel driving circuit includes light-emitting stage and N non-light-emitting stages, N≥M. The M first transistors are respectively turned on in the N non-light-emitting stages, and the M first transistors are all turned off in the light-emitting stage. One of the N non-light-emitting stages includes first non-light-emitting stage adjacent to the light-emitting stage. Channel length L and width W of the first transistor satisfy:

[00001] W × L < C st × Δ V .Math. i = 1 i = M C ox × ( V G _ offi - V N 1 ) 2 .Math. "\[LeftBracketingBar]" V G _ off 1 - V N 1 .Math. "\[RightBracketingBar]" + .Math. "\[LeftBracketingBar]" V G _ offi - V X _ i .Math.
Timing controller control method and timing controller

The present disclosure relates to a method for controlling a timing controller and a timing controller. The method for controlling the timing controller includes: acquiring a bus address in a bus signal transmitted over an I2C bus, the I2C bus being connected to the timing controller; if the timing controller determining that the bus address matches an address of the timing controller, acquiring data information in the bus signal; acquiring an address of a target function circuit according to the data information; generating and transmitting a query instruction to a memory according to the address of the target function circuit, and receiving switch control data corresponding to the target function circuit fed back by the memory; controlling, according to the switch control data, a switch connected to the target function circuit to be turned on.

DISPLAY PANEL AND DISPLAY APPARATUS
20220328797 · 2022-10-13 ·

A display panel and a display apparatus are provided. The display panel includes an anti-reflection film located at a light-exiting side of the display panel. A reflectivity of the anti-reflection film for light having a first wavelength is smaller than a reflectivity of the anti-reflection film for light having a second wavelength, and the first wavelength is different from the second wavelength.

Electronic device, control method, and storage medium
11630627 · 2023-04-18 · ·

An electronic device includes a first display unit, a communication unit configured to communicate with an external device including a second display unit, and a control unit configured to rotate an image to be displayed on the first display unit, in accordance with a rotational angle in a plane parallel to a screen of the first display unit, and rotate an image to be output to the external device, in accordance with the rotational angle of the first display unit and a rotational angle in a plane parallel to a screen of the second display unit.

Power saving display having improved image quality

The present disclosure is directed to systems and methods of optimizing display image quality on display devices having a plurality of display power modes. An example apparatus includes processor circuitry to execute instructions to: determine a baseline allowable percentage of distorted pixels for a power mode of a display; determine a baseline first relationship between an original pixel value and a boosted pixel value for the power mode; determine a baseline second relationship based on the baseline allowable percentage and the baseline first relationship; select a plurality of test distorted pixel percentages; determine, for respective selected test distorted pixel percentages, a corresponding test relationship between an original pixel color value distribution and a boosted pixel color value distribution based on the baseline second relationship; determine, for respective test relationships, a respective test peak signal to noise ratio (PSNR); determine, for the respective test PSNRs, respective values indicative of the change in image quality for the test distorted pixel percentages; and select, as the operating distorted original pixel percentage value, one of the test distorted pixel percentages based on the values.

POV DISPLAY DEVICE AND CONTROL METHOD THEREFOR
20230162633 · 2023-05-25 · ·

The present invention relates to a POV display device using a light-emitting element, comprising: a fixed module including a motor; a rotary module located above the fixed module and rotated by means of the motor; at least one panel coupled to the rotary module; a plurality of light sources which are arranged on the panel and which have a plurality of pixels; a light source module including a light-emitting element array in which the plurality of light sources are arranged in the longitudinal direction thereof; and a controller for generating, between a first main frame and a second main frame, at least one subframe formed by means of the panel, wherein the first main frame can temporally precede the second main frame.

SEMICONDUCTOR DEVICE, DISPLAY DEVICE, AND ELECTRONIC DEVICE
20230114318 · 2023-04-13 ·

A load, a transistor which controls a current value supplied to the load, a capacitor, a power supply line, and first to third switches are provided. After a threshold voltage of the transistor is held by the capacitor, a potential in accordance with a video signal is inputted and a voltage that is the sum of the threshold voltage and the potential is held. Accordingly, variation in current value caused by variation in threshold voltage of the transistor can be suppressed. Therefore, a desired current can be supplied to a load such as a light emitting element. In addition, a display device with a high duty ratio can be provided by changing a potential of the power supply line.

DISPLAY PANEL AND DISPLAY DEVICE
20230116780 · 2023-04-13 ·

A display panel includes: a pixel circuit, and a light-emitting element, that the pixel circuit includes a driving transistor configured to provide a driving current for the light-emitting element; a working process of the pixel circuit includes a data writing stage, in which a gate of the driving transistor receives a data signal, and a bias adjustment stage, in which a source or drain of the driving transistor receives a bias adjustment signal; and the pixel circuit has a frame refresh frequency F1, and a data refresh frequency including a first data refresh frequency F11 and a second data refresh frequency F22, that at least one second data refresh period includes N11 bias adjustment stages, a bias adjustment signal V11 is inputted in a first bias adjustment stage, and a bias adjustment signal Vi is inputted in an i-th bias adjustment stage, where V11≠Vi.

Display device and method of operating the same

A display device includes a first light source configured to emit first pixel light in each of which lights of a plurality of different wavelengths are mixed with one another, a second light source configured to emit a plurality of second pixel lights in each of which lights of a plurality of different wavelengths are mixed with one another, and an optical scanner configured to output an image including the plurality of first pixel lights and the plurality of second pixel lights to an external space by sequentially changing travelling paths of the plurality of first pixel lights and the plurality of second pixel lights.

Multi-display panel display device and multi-directional driving method of the same
11468858 · 2022-10-11 · ·

A display device and a driving method of the same are proposed, the display device including first and second display panels displaying one image in a division manner; first and second data drivers supplying data voltages to the first and second display panels, respectively; first and second scan drivers supplying scan signals to the first and second display panels, respectively; and first and second timing controllers controlling the first and second data drivers and the first and second scan drivers, respectively, wherein the first data driver latches a first data signal output from the first timing controller in a first direction and converts the first data signal to a first data voltage to be outputted, and the second data driver latches a second data signal output from the second timing controller in a second direction and converts the second data signal to a second data voltage to be outputted.