G09G2300/0447

Viewing Angle Compensation Method and Apparatus for Display Panel, and Display Panel
20230205014 · 2023-06-29 ·

The present disclosure discloses a viewing angle compensation method and apparatus for a display panel, and the display panel, and relates to the technical field of liquid crystal displaying. The purpose of increasing a visual angle of an MVA liquid crystal panel can be achieved, and for a whitening phenomenon of a screen watched at a side viewing angle, a better improving effect can be given. A main technical solution of the present disclosure includes: receiving to-be-processed image data, the image data including pixel points formed in a plurality of rows and a plurality of columns, and each pixel point having different subpixels on red, green and blue three-color channels; adjusting current gray-scale values of the subpixels by looking up a preset visual compensation lookup table to obtain adjusted gray-scale values, the preset visual compensation lookup table including two corresponding gamma curves, and the two corresponding gamma curves being used for describing corresponding adjustable ranges of the gray-scale values; and acquiring first target image data as output target image data according to the adjusted gray-scale values corresponding to the subpixels.

Methods for verifying and improving angular color shift impact factors

Methods for verifying and improving angular color shift impact factors are provided. Experiments have verified that angular color shift can be effectively improved by downgrading gray levels of red and green subpixels, while downgrading gray levels of blue subpixels may deteriorate the angular color shift.

Liquid crystal display including reactive mesogen alignment layer and a blue pixel with a decreased maximum gray level and driving method thereof
09830873 · 2017-11-28 · ·

Provided is a liquid crystal display including: a liquid crystal panel assembly including a plurality of pixels; a data driver applying data voltages to a plurality of data lines connected to the plurality of pixels; and a signal controller generating image data signals to provide the generated image data signals to the data driver, in which the plurality of pixels includes a reactive mesogen (RM) alignment layer formed on a display panel, and the signal controller generates the image data signals by adjusting the data voltage with the maximum gray applied to the blue pixel to be decreased by a predetermined level.

LIQUID CRYSTAL DISPLAY
20170336679 · 2017-11-23 ·

A liquid crystal display includes a first substrate, a first subpixel electrode, a connecting electrode, and a second subpixel electrode. The first subpixel electrode is on the first substrate and includes a first stem extending in a first direction and a plurality of branches extending from the first stem. The connecting electrode is electrically connected to the first subpixel electrode. The second subpixel electrode is on the same layer as the first subpixel electrode and includes a plurality of separation electrodes that do not overlap the connecting electrode. At least one of the separation electrodes is between a first sub branch and a second sub branch, which neighbor each other from among the branches. The second subpixel electrode is a floating electrode.

DISPLAY PANEL AND METHOD FOR DRIVING DISPLAY PANEL
20170330520 · 2017-11-16 ·

A display panel includes a pixel array, a gate driving circuit, and a data driving circuit. The pixel array includes a plurality of pixel blocks, a plurality of gate lines and a plurality of data lines. The gate driving circuit is electrically coupled to the gate lines for driving sub-pixels of the pixel array. The data driving circuit is electrically coupled to the data lines for providing data signals to the sub-pixels of the pixel array. The sub-pixels of each pixel block include a plurality of first sub-pixels and a plurality of second sub-pixels. For each pixel block, the first sub-pixels and the second sub-pixels have same quantity. For displaying a specified gray-scale value, a luminance value in each first sub-pixel is greater than a luminance value in each second sub-pixel. The data driving circuit changes a polarity of each sub-pixel of the pixel array by using a polarization sequence.

Liquid crystal display device having white pixel

An exemplary embodiment of the present invention provides a display device including red pixels, blue pixels, green pixels, and white pixels, a plurality of gate lines, and a plurality of data lines, wherein the red pixels, the blue pixels, and the green pixels are disposed to longitudinally extend in a vertical direction, and the white pixels are disposed to longitudinally extend in a horizontal direction below or above the red pixels, the blue pixels, and the green pixels.

Liquid crystal display

A liquid crystal display includes: a display panel including a plurality of pixels arranged substantially in a matrix form, a plurality of gate lines connected to the pixels, and a plurality of data lines connected to the pixels; and a common voltage generator configured to generate a common voltage and apply the common voltage to the display panel, in which the common voltage generated from the common voltage generator is substantially the same as an optimum common voltage at a highest grayscale level, which minimizes flicker at the highest grayscale level.

Display device

A display device according to an exemplary embodiment includes: a plurality of color filters positioned at a plurality of color pixels and representing different colors; and a transparent layer positioned at a white pixel and including a green colorant and a blue colorant, wherein white color coordinates represented by the white pixel are substantially equal to white color coordinates represented together by the plurality of color pixels.

Liquid crystal display device
09824646 · 2017-11-21 · ·

A liquid crystal display device includes a display area in which pixels are disposed in a matrix with rows and columns. The display area includes first and second configuration columns. The first configuration column is a column where first pixels are aligned. The first pixels each include a pixel electrode including first and second areas. In the first area, electrodes extending in a first direction inclined to the column direction are disposed. In the second area, electrodes extending in a second direction inclined differently from the first direction are disposed. The second configuration column is a column where second and third pixels are alternately aligned. The second pixels each include a pixel electrode including electrodes extending in a third direction inclined to the column direction. The third pixels each include a pixel electrode including electrodes extending in a fourth direction inclined differently from the third direction.

Liquid crystal panel and pixel unit setting method thereof

Disclosed is a pixel unit setting method for a liquid crystal panel. The liquid crystal panel includes a plurality of pixel units, each of which includes at least a blue sub pixel. The method includes dividing the blue sub pixel into a main pixel zone and a sub pixel zone with the area ratio therebetween being a:b; acquiring actual brightness levels of the blue sub pixel for each grey level at a normal view angle and an oblique view angle; setting a combination of grey levels to be fed to the main and sub pixel zones of one pixel unit so as to have the sum of differences between the actual and theoretical brightness levels at the normal and oblique view angles minimized so as to obtain the grey levels to be fed to the main and sub pixel zones for all the grey levels of the pixel unit.