G09G2320/0238

DISPLAY PANEL, METHOD FOR DRIVING THE SAME, AND A DISPLAY DEVICE
20220366859 · 2022-11-17 ·

Provided are a display panel, a method for driving a display panel, and a display device. The display panel includes first pixels. The first pixel includes first and second light-emitting elements, and first and second pixel circuits respectively electrically connected to first electrodes of the first and second light-emitting elements. First electrodes of the first and second light-emitting element are independent from each other. Second electrodes of the first and second light-emitting elements are electrically connected to each other. Light-emitting material layers of the first and second light-emitting elements are formed into one piece. When the display panel displays at least one frame of an image, data voltages received by the first pixel circuit and the second pixel circuit in a same first pixel are different from each other. Thus, an influence of hysteresis effect on brightness of the first pixel is reduced to improve the display effect.

DISPLAY APPARATUS

A display apparatus that prevents visual recognition of flickering in each of display areas having different resolutions includes a first pixel circuit, a first display element, a second pixel circuit, and a second display element. The first pixel circuit includes: a first driving transistor configured to control a first current that flows to the first display element; and a first initializing transistor configured to apply a first initializing voltage to a gate of the first driving transistor in response to a first scan signal. The second pixel circuit includes: a second driving transistor configured to control a second current that flows to the second display element; and a second initializing transistor configured to apply a second initializing voltage having a level different from a level of the first initializing voltage to a gate of the second driving transistor in response to the first scan signal.

Display device and driving method thereof

A display device includes: a first pixel including a first organic light emitting diode; an initialization voltage generator for generating a first initialization voltage to be supplied to an anode of the first organic light emitting diode; and a timing controller including a first lookup table in which a plurality of first initialization voltage values corresponding to a plurality of maximum luminances are recorded, the timing controller being configured to determine a value of the first initialization voltage, based on reception information on a target maximum luminance and the first lookup table.

DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
20220366857 · 2022-11-17 ·

A display device including a display panel including pixels, a data driver configured to apply a data voltage to the pixels, a sensing driver configured to receive a sensing voltage from the pixels, a gate driver configured to apply a gate signal to the pixels, and a driving controller configured to control the gate driver, the sensing driver, and the data driver. The sensing driver generates leakage sensing data for current leakage characteristic of the pixels based on the sensing voltage received in a first sensing period, and generates threshold voltage sensing data for a threshold voltage of a driving transistor of the pixels based on the sensing voltage received in a second sensing period.

PIXEL AND DISPLAY DEVICE HAVING THE SAME
20220366835 · 2022-11-17 ·

A pixel includes: a light emitting element; a first transistor connected between a first node electrically connected to a first driving power source and a second node electrically connected to an anode electrode of the light emitting element, the first transistor to control a driving current; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node connected to a gate of the first transistor; a fourth transistor connected between the third node and a first initialization power source; a fifth transistor connected between a second initialization power source and the anode electrode of the light emitting element, the fifth transistor being turned on by a scan signal provided to a scan line; and a boosting capacitor connected between the scan line and the third node.

Rapid estimation of effective illuminance patterns for projected light fields

Apparatus and methods are provided that employ one or more of a variety of techniques for reducing the time required to display high resolution images on a high dynamic range display having a light source layer and a display layer. In one technique, the image resolution is reduced, an effective luminance pattern is determined for the reduced resolution image, and the resolution of the effective luminance pattern is then increased to the resolution of the display layer. In another technique, the light source layer's point spread function is decomposed into a plurality of components, and an effective luminance pattern is determined for each component. The effective luminance patterns are then combined to produce a total effective luminance pattern. Additional image display time reduction techniques are provided.

PIXEL CIRCUIT, METHOD OF DRIVING SAME, AND DISPLAY DEVICE

A pixel circuit, a method of driving the same, and a display device are provided. An input end of an anode reset transistor is connected to an output end of a driving transistor, and an output end of the anode reset transistor is connected to an anode of an organic light emitting diode to collect a leakage current from the anode of the organic light emitting diode through the anode reset transistor to the output end of the driving transistor in an light emitting state. Part of the collected current at the output end of the driving transistor enters the anode of the organic light emitting diode.

BACKLIGHT BRIGHTNESS CONTROL METHOD, BACKLIGHT BRIGHTNESS CONTROL DEVICE, AND DISPLAY EQUIPMENT
20220358871 · 2022-11-10 ·

A backlight brightness control method, a backlight brightness control device, and a display equipment are provided. By using a constant current integrated circuit to input constant current to backlight sources in backlight partitions, uniformity of backlight brightness is allowed to be improved. By determining a target peak current inputted to the backlight sources in the backlight partitions according to a grayscale level of partition images, not only can the backlight brightness required by a high grayscale level be ensured, but fine adjustment of the backlight brightness under a low grayscale level can also be ensured.

DISPLAY DEVICE
20220358881 · 2022-11-10 ·

A display device includes a display panel, a scan driver, a data compensator, and a data driver. The display panel includes a first area and a second area distinguished from each other along a scan direction. Each of the first and second areas include pixels. The scan driver is configured to sequentially provide scan signals to the display panel along the scan direction. The data compensator is configured to: detect a pattern in which a difference between adjacent grayscale values in image data is greater than a reference value; and generate compensated image data by compensating for grayscale values corresponding to the second area in the image data based on the pattern corresponding to the first area. The data driver is configured to: generate data signals based on the compensated image data; and provide the data signals to the display panel.

DISPLAY PANEL, DISPLAY DEVICE INCLUDING THE SAME AND MANUFACTURING METHOD THEREOF
20230045161 · 2023-02-09 ·

A display device includes a first substrate and a second substrate, and the first substrate includes a plurality of connection lines disposed to extend to an end of the first substrate and a plurality of pads disposed on a side surface of the first substrate and electrically connected to the plurality of connection lines, respectively. Each of the plurality of connection lines includes a first area and a second area extending from the first area, the first area has a width greater than a width of the second area, and the width of the second area is substantially the same as a width of each of the plurality of pads.