Tcl China Star Optoelectronics Technology Co., Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Hon Hai Precision Industry Co., Ltd.

Hong-fu Jin Precision Industry (shenzhen) Co., Ltd.

Fu Tai Hua Industry (shenzhen) Co., Ltd.

Tao He

Yu Wu

Jhenwei He

Wenqin Zhao

Jhen-wei He

Xin Hui Zhang

Guangxing Xiao

Yonglei Zhang

Yuyeh Chen

Xiong Hu

Dan Cao

Xiaolong Chen

Yu-Yeh Chen

Lei Sun

Yan Li

Haoran Li

Yang Rao

Qian Wang

Jianjun Xie

Xuebing Zhou

Yuning Zhang

Fan Chen

Weisheng Zheng

Shuming Chang

Yating Wen

Shijie Deng

Zhaoming Liang

Woosuk Ha

Xinghai Zhao

Zhifu Li

A display panel driving method and a display device are provided. The display panel driving method includes: receiving a refresh rate switching instruction, where the refresh rate switching instruction is configured to control a display panel to switch from a first refresh rate to a second refresh rate; causing an input first video signal with a first image resolution and a first frame rate to be generated into a second video signal with a second image resolution and a second frame rate according to the refresh rate switching instruction; and outputting a scan driving signal corresponding to the second refresh rate and the second video signal to a plurality of pixels of the display panel.

Display panel driving method and display device

An LCD device includes: a display panel, one display frame of the display panel corresponds to multiple scan cycles of a backlight source, a light-emitting diode array of an arbitrary one of backlight partitions has a first brightness and a second brightness under controlling of a timer control register in the scan cycles, wherein the first brightness is lower than the second brightness, and the timer control register controls the light-emitting diode array of at least one of the backlight partitions to have the first brightness in each of the scan cycles.

Liquid crystal display device

The present application provides an image display method and an image display device. The image display method performs a gray-scale compensation on each data line, thereby preventing a problem of color crosstalk in a display panel. At the same time, an original image in the display panel is edge blurred, which can reduce an impact of the color crosstalk.

Image display method and image display device for reducing crosstalk

A display panel includes a plurality of pixel units arranged in an array and a plurality of data lines. The pixel units in two adjacent rows in two adjacent columns form a grayscale combined pixel. The grayscale combined pixel comprises three sub-pixels corresponding to the high grayscale and nine sub-pixels corresponding to the low grayscale.

Display panel including grayscale combined pixel

A display panel and a driving method thereof are provided. The driving method includes: acquiring a display synchronization signal, and according to it to determine a first backlight synchronization signal including a plurality of second pulses corresponding to a plurality of first pulses in the display synchronization signal; acquiring a display setting frequency greater than a minimum value of refresh rates of frame images, and according to it to determine a unit backlight clock signal, where a duration of the unit backlight clock signal is equal to of a reciprocal of the display setting frequency; and generating a third pulse between some two adjacent second pulses to drive a backlight plate to emit light.

Display panel and driving method thereof

The application provides a display panel and a driving method thereof. The display panel comprises a plurality of sub-pixels arranged in a matrix, and the sub-pixels are grouped into a plurality of cell areas arranged repeatedly along the row direction and the column direction. Each cell area comprises at least two sub-pixels, with polarities of adjacent sub-pixels opposite to each other. For at least two consecutive frames during a display cycle, the gray-levels of sub-pixels in the cell area maintain unchanged while polarities of the sub-pixels are reversed.

The present invention provides a display device driving method, a display device. The method achieves dynamic adjustment of a brightness of light emission of backlight units according to display contents corresponding to the display units. Also, conversion of a bit width of a drive voltage value is implemented based on a drive voltage conversion relationship table between first bit width drive voltage values and second bit width drive voltage values of the brightness values, which improves the driving effect of the backlight module.

Display device driving method for improving contrast of liquid crystal display panel

A display device driving method and the display device are provided. The display device driving method determines a driving voltage value of each backlight unit based on a content to be displayed by a display unit corresponding to each backlight unit, achieving dynamic adjustment of luminous brightness of the backlight unit according to the display content of the corresponding display unit. Meanwhile, the driving voltage value is related to a noise in an image. Therefore, a better backlight brightness value can be obtained by reducing an influence of the noise on the adjustment of the luminous brightness.

Display device driving method and display device

A display device and a controlling method thereof are provided. The display device includes a display panel, a backlight unit, and a time schedule controller. The display panel is configured to display images. Areas where afterimages of dynamic images occur are identified according to comparison results of dither values. Tailing phenomenon of the dynamic images may be relieved by transmitting backlight data without brightness to a second backlight sub-area corresponding to where the afterimages occur. Furthermore, because frequency multiplication is not applied, risks of display instability will not increase.

Display device and controlling method thereof

Disclosed are a gray scale voltage compensation method of a liquid crystal panel, a circuit for a liquid crystal panel and a liquid crystal panel including the circuit. The invention adjusts the common voltage and/or compensates the pixel voltage to minimize the afterimage of the whole liquid crystal panel under the premise of saving the cost of the liquid crystal panel and greatly improves the panel display performance.

Method circuit and liquid crystal panel for compensating gray scale voltage

The present disclosure includes an image displaying method and a display device. The method includes: obtaining three-color sub-pixel data of each of pixels of a current image, wherein the three-color sub-pixel data includes a first red, green, blue grayscale value (R, G, B) separately; obtaining a first white grayscale value (W) in accordance with the three-color sub-pixel data; performing a color gamut mapping toward the four first grayscale values in accordance with a predetermined rule; performing a sub-pixel rendering process toward the four-color first grayscale values to obtain the updated three-colors sub-pixel data corresponding to each of the pixels; and outputting the updated three-colors sub-pixel data to the display panel. The RGB data of the current image may be converted to the image data that can be displayed on the four-color display panel so as to obtain a vivid display on the four-color display panel.

Image displaying methods and display devices

The present invention provides a grayscale compensation method, the method includes converting raw image data into a first image data; obtaining a second image data which can be displayed on the display panel according to the first image data in a preset manner, and the second image data for each pixel includes 3-color grayscale data among a red, a green, a blue, and a white grayscale data of the first image data; performing a grayscale compensation on the grayscale data of the second image data according to the first image data and a predetermined rule.

Grayscale compensation method

A liquid crystal display panel is provided by the present invention, which comprises a plurality of data lines, a plurality of scanning lines, and a plurality of pixel units; wherein the pixel units of each column comprise two types of pixel units disposed interleaved, the adjacent pixel units are different types, and each of the data lines connects to the same type of adjacent pixel units. The present invention completes driving a plurality of adjacent row pixel units at the same time by making data lines connect with the same type pixel units.

Liquid crystal display panel and liquid crystal display device

The present invention provides a pixel structure and a liquid crystal display panel. The pixel structure comprises a plurality of pixel units arranged in array, and each pixel unit comprises a white sub pixel (W), a red sub pixel (R), a green sub pixel (G) and a blue sub pixel (B); in respective pixel units, the white sub pixel (W), the red sub pixel (R), the green sub pixel (G) and the blue sub pixel (B) are aligned with the same order along a horizontal direction; a driving mode of the pixel structure is row inversion; as showing an image of the same frame, in pixel units of each column, polarities of sub pixels of every two adjacent columns are opposite; in the sub pixels of every two adjacent columns, polarities of sub pixels of the same color are opposite to make that polarities of every two adjacent sub pixels of the same color in the pixel units of the same row are opposite. It is capable of reducing the horizontal crosstalk of the sub pixels of the same color in the pixel units of the same row to ensure the image display effect.

Pixel structure having opposite sub-pixel polarities in adjacent pixel columns and liquid crystal display panel having same

A method for image display is provided. The method includes: providing a data signal of an image, and the data signal comprising grayscale values R, G, and B; obtaining brightness values LR, LG, and LB which the grayscale values R, G, and B correspond to; transforming the brightness values LR, LG, and LB into brightness values LR', LG&#x2032;, and LB&#x2032;; obtaining grayscale values R&#x2032;, G&#x2032;, and B&#x2032; which the brightness values LR&#x2032;, LG&#x2032;, and LB&#x2032; correspond to; obtaining a minimum value among the grayscale values R, G, and B as a white grayscale value W&#x2032;; and supplying the red subpixel, the green subpixel, the blue subpixel, and the white subpixel with the grayscale value R&#x2032;, G&#x2032;, B&#x2032;, and white grayscale value W&#x2032;, respectively so that the image can be shown on the display panel. The present invention also proposes a display system utilizing the method.

Growing community of inventors

Guangdong, China

Tao He