Patent classifications
G09G3/2074
Display driver circuit and method for reducing influence of noise or dither
The present invention provides a display driver circuit. A determination circuit is configured to select a first mode for encoding first image data based on a first set of conditions respectively corresponding to a first set of modes. An encoder is configured to encode the first image data in the first mode. The determination circuit is additionally configured to select a second mode for encoding second image data received (n−1)th after the first image data are received; and to select a third mode for encoding third image data received(n)th after the first image data are received, based on a second set of conditions respectively corresponding to the first set of modes. A second condition in the second set of the conditions corresponding to the second mode includes a wider range of values than a first condition in the first set of the conditions corresponding to the second mode.
DISPLAY DEVICE AND CONTROL METHOD THEREFOR
A display device includes a communication interface including a circuit, a display panel including a plurality of pixels, the plurality of pixels comprising red (R), green (G), and blue (B) subpixels, a memory configured to store first luminance information and second luminance information, and a processor configured to acquire an output frame based on a plurality of subpixel values of pixels included in an input frame received via the communication interface, the first luminance information, and the second luminance information; and based on the acquired luminance values, control the display panel to output the output frame.
TILED DISPLAY DEVICE
A tiled display device is provided. The tiled display device includes a first panel and a second panel adjacent to the first panel. The first panel includes a first pixel unit, a second pixel unit and a third pixel unit. The second panel includes a fourth pixel unit, a fifth pixel unit, a sixth pixel unit, a seventh pixel unit, an eighth pixel unit and a ninth pixel unit. The second pixel unit, the fifth pixel unit, and the eighth pixel unit are arranged in a column and have a first color. The first pixel unit, the sixth pixel unit, and the seventh pixel unit are arranged in a column and have a second color. The third pixel unit, the fourth pixel unit and the ninth pixel unit are arranged in a column and have a third color.
Display panel and driving method thereof and display device
A display panel and a driving method thereof, and a display device are disclosed. The display panel includes a plurality of sub-pixel unit groups arranged in an array, the array includes a plurality of rows and a plurality of columns, each of the sub-pixel unit groups includes N sub-pixel units disposed along a column direction and a pixel driving circuit, each of the N sub-pixel units includes a light-emitting circuit, the pixel driving circuit is electrically connected to the light-emitting circuits of the N sub-pixel units, and the pixel driving circuit is configured to provide light-emitting driving currents to the light-emitting circuits of the N sub-pixel units.
Grayscale compensation method and apparatus, display device
Disclosed are a grayscale compensation method and apparatus, and a display device. The grayscale compensation method includes obtaining a basic grayscale of each compensation device; obtaining an equivalent lighting duration of the each compensation device, where the equivalent lighting duration is a duration of lighting the compensation device with a preset grayscale obtained by converting an actual lighting duration of the compensation device; if the equivalent duration reaches a preset time point, obtaining a grayscale compensation parameter corresponding to the compensation device by searching a table according to the preset time point and the basic grayscale, and performing grayscale compensation on a sub-pixel in the compensation device according to the grayscale compensation parameter and the basic grayscale.
Systems and methods for spatio-temporal dithering
In one embodiment, the system may receive a target pixel value for a pixel of an image of a series of images. The system may determine an error-modified target pixel value based on the target pixel value and a first error value. The system may generate a quantized pixel value corresponding to the error-modified target pixel value for display by the pixel of the image. The system may determine an aggregated representation of quantized pixel values displayed by the pixel of the image and corresponding pixels of one or more preceding images of the series of images. The system may determine a second error value based on the aggregated representation of the quantized pixel values and the first error-modified target pixel value. The system may dither at least a portion of the second error value to at least a corresponding pixel of a next image in the series of images.
LIQUID CRYSTAL DISPLAY DEVICE
It is an object to provide a liquid crystal display device which has excellent viewing angle characteristics and higher quality. The present invention has a pixel including a first switch, a second switch, a third switch, a first resistor, a second resistor, a first liquid crystal element, and a second liquid crystal element. A pixel electrode of the first liquid crystal element is electrically connected to a signal line through the first switch. The pixel electrode of the first liquid crystal element is electrically connected to a pixel electrode of the second liquid crystal element through the second switch and the first resistor. The pixel electrode of the second liquid crystal element is electrically connected to a Cs line through the third switch and the second resistor. A common electrode of the first liquid crystal element is electrically connected to a common electrode of the second liquid crystal element.
Method for driving a display panel, display driving device and electronic device
Provided are a method for driving a display panel, a display driving device and an electronic device. The method includes: acquiring any one frame of the picture to de displayed; dividing the any one frame of the picture to be displayed into a first partition picture, a second partition picture and a third partition picture; displaying the first partition picture in the first display region, displaying the second partition picture in the second display region, and displaying the third partition picture in the third display region; where in a same frame of picture to be displayed, a density A1 of sub-pixels for displaying the first partition picture, a density A2 of sub-pixels for displaying the second partition picture and a density A3 of sub-pixels for displaying the third partition picture satisfy that A1≤A2≤A3; and where sub-pixels in the second display region include first sub-pixels and second sub-pixels.
DISPLAY DEVICE, DRIVING METHOD OF DISPLAY DEVICE, AND ELECTRONIC DEVICE
To provide a display device capable of displaying a plurality of images by superimposition using a plurality of memory circuits provided in a pixel. A plurality of memory circuits are provided in a pixel, and signals corresponding to images for superimposition are retained in each of the plurality of memory circuits. In the pixel, the signals corresponding to the images for superimposition are added to each of the plurality of memory circuits. The signals are added to the signals retained in the memory circuits by capacitive coupling. A display element can display an image corresponding to a signal in which a signal written to a pixel through a wiring is added to the signals retained in the plurality of memory circuits. Reduction in the amount of arithmetic processing for displaying images by superimposition can be achieved.
GAMMA DEBUGGING METHOD AND APPARATUS
A gamma debugging method and a gamma debugging apparatus are provided. The gamma debugging method includes: selecting a test display region in a first display region, performing gamma debugging on test sub-pixels to obtain a first gamma data set; controlling all sub-pixels in the test display region and all sub-pixels in a second display region to emit light, and detecting a target luminance and a target chrominance of the test display region that correspond to a corresponding grayscale; performing gamma debugging on the second display region to obtain a second gamma data set; obtaining, based on the second gamma data set, the first gamma data set and the predetermined gamma data set, a third gamma data set applied to the second display region.