G09G3/342

DISPLAY DEVICE AND METHOD OF DRIVING THE SAME

A display device according to an embodiment includes a pixel including a light emitting unit, a data driver that supplies a data voltage to the pixel, and a luminance corrector that corrects image data and generates compensation data corresponding to the data voltage. The light emitting unit includes at least one sub element group. The at least one sub element group includes light emitting elements. The luminance corrector extracts a deterioration value of the at least one sub element group and calculates a luminance value of the at least one sub element group according to a number of the light emitting elements included in the at least one sub element group.

Method for driving mini-LED backlight module

The present application provides a method for driving a mini-LED backlight module. The method includes dividing the mini-LED backlight module into a plurality of partitions along an extending direction of a data line, dividing a period of each frame used in the mini-LED backlight module into an adjusting sub-field, and adjusting durations of a bright sub-field or a dark sub-field of the adjusting sub-field corresponding to different partitions based on different gray modes. In such a way, the brightness of each partition falls within a configured brightness threshold range.

BACKLIGHT DRIVING DEVICE AND OPERATING METHOD THEREOF

A backlight driving device and an operating method thereof are provided to drive multiple backlight zones of a backlight panel. The backlight driving device includes an interface circuit and a driving circuit. The interface circuit receives main backlight data corresponding to a first backlight zone from a former stage device. The driving circuit drives the first backlight zone according to a main current level in a display refresh period of a backlight frame period, does not drive the first backlight zone in a demotion blur period which is prior to the display refresh period, and drives the first backlight zone according to a compensation current level in a vertical blanking period which succeeds the display refresh period. The driving circuit determines the main current level according to the main backlight data, and the compensation current level is lower than the main current level.

Lightness adjusting method for display system, lightness adjusting system and display system
11543701 · 2023-01-03 · ·

The present application relates to a lightness adjusting method for a display system. The method includes the steps of: writing a first driving signal into a display panel; controlling a first lens and a backlight module to be turned on simultaneously, where a plurality of light-emitting elements of the backlight module are turned on simultaneously, and the first lens and the plurality of light-emitting elements of the backlight module are turned on simultaneously; adjusting a first turn-on time of each light-emitting element; controlling a second lens and the backlight module to be turned on simultaneously, where the plurality of light-emitting elements of the backlight module are turned on simultaneously, and the second lens and the plurality of light-emitting elements of the backlight module are turned on simultaneously; and adjusting a second turn-on time of each light-emitting element.

Driving method of display module, driving system thereof, and driving device
11545096 · 2023-01-03 · ·

The present disclosure provides a driving method of a display module, a driving system thereof, and a display device. The driving method of the display module includes a display panel driving process, and a backlight module driving process driven synchronously with the display panel driving process. The display panel driving process includes steps: performing a color saturation adjustment; and obtaining second color signals to drive the display panel by converting. The backlight module driving process includes steps: using the light source adjustment coefficient to adjust a first brightness value to obtain a second brightness value; determining a dominant hue light source; and driving the dominant hue light source by the second brightness value.

DYNAMIC POWER CONVERTER SWITCHING FOR DISPLAYS BASED ON PREDICTED POWER USAGE
20220415256 · 2022-12-29 ·

An example method includes estimating, based on content to be displayed at a display of a mobile computing device at a future time, an amount of power to be used by the display at the future time; selecting, based on the estimated power level, a power converter of a plurality of power converters of the mobile computing device, each of the plurality of power converters optimized for a different output power range; and causing electrical power from the selected power converter to be supplied to the display at the future time.

DISPLAY EQUIPMENT AND OPERATION METHOD THEREOF AND BACKLIGHT CONTROL DEVICE THAT SOLVES FLICKER PHENOMENON OF VARIABLE REFRESH RATE VIDEO FRAME

The invention provides a display equipment, an operation method thereof, and a backlight control device. The display equipment includes a display panel, a backlight module, an image processing circuit, a panel control circuit, a first backlight control circuit, and a second backlight control circuit. The image processing circuit provides a VRR video frame to the panel control circuit. The first backlight control circuit generates a main dimming signal to the backlight module during a valid data period of the VRR video frame according to a first timing information of the image processing circuit. The second backlight control circuit generates a compensation dimming signal to the backlight module during a blank period of the VRR video frame according to a second timing information of the image processing circuit. In particular, a peak current value of the compensation dimming signal is less than a peak current value of the main dimming signal.

Image display processing method and device, display device and non-volatile storage medium

An image display processing method for a display device, an image display processing device, a display device, and a non-volatile storage medium are provided. The display device includes a backlight unit and a display panel, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming mode, and the image display processing method includes: obtaining initial backlight data of each of the plurality of backlight blocks corresponding to a display image; performing a peak driving process on the initial backlight data of each of the plurality of backlight blocks by a graphics processing unit to obtain adjusted backlight data of each of the plurality of backlight blocks; and providing the adjusted backlight data to the backlight unit by the graphics processing unit so that the display panel displays the display image.

Display device

A display device includes: a capacitance wire; a first pixel electrode disposed so as to be adjacent to the capacitance wire; a second pixel electrode disposed so that the capacitance wire is located between the first pixel electrode and the second pixel electrode; a first capacitance forming electrode connected to the first pixel electrode and disposed so as to overlap the capacitance wire via an insulating film; and a shield electrode disposed so as to be located between the first pixel electrode and the second pixel electrode and so as to at least partially overlap the first capacitance forming electrode via an insulating film.

LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPLIANCE
20220382085 · 2022-12-01 ·

A pixel electrode or a common electrode is a light-transmissive conductive film; therefore, it is formed of ITO conventionally. Accordingly, the number of manufacturing steps and masks, and manufacturing cost have been increased. An object of the present invention is to provide a semiconductor device, a liquid crystal display device, and an electronic appliance each having a wide viewing angle, less numbers of manufacturing steps and masks, and low manufacturing cost compared with a conventional device. A semiconductor layer of a transistor, a pixel electrode, and a common electrode of a liquid crystal element are formed in the same step.