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公开(公告)号：US20210390916A1
公开(公告)日：2021-12-16
申请号：US17255989
申请日：2020-05-22
Inventor： Tiankuo Shi , Lingyun Shi , Xiaomang Zhang , Xin Duan , Wei Sun , Guofeng Hu , Zhihua Ji , Yanhui Xi , Yan Sun , Bin Dai , Yue Li , Yifan Hou , Yilang Sun , Chuanjun Liu , Xue Dong
IPC: G09G3/34
Abstract: A display device and a display control method, and the display device includes: a backlight module, a first display panel, and a second display panel, and a processor. The processor is configured to: acquire a pixel grayscale matrix of an image to be displayed; determine desired brightness of each pixel by using a grayscale-brightness curve of the second display panel based on the pixel grayscale matrix; determine set light-emitting brightness of backlight partition according to grayscale information in the pixel grayscale matrix corresponding to the backlight partition; obtain a first corrected brightness of each backlight partition based on light diffusion coefficients of the plurality of backlight partitions; determine a grayscale of pixel unit according to a brightness difference between the first corrected brightness and the desired brightness; obtain a second corrected brightness of the backlight partition.
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Patent Agency Ranking
12.发明授权公开(公告)号：US10896635B2
公开(公告)日：2021-01-19
申请号：US16482107
申请日：2018-09-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanhui Xi , Bin Dai , Xiaomang Zhang , Yan Sun , Kuanjun Peng , Haijun Niu , Xiaolong Li , Donghui Wang
IPC: G09G3/20
Abstract: Disclosed is a primary color conversion method, which may expand primary color signals that are applicable to a display device. The primary color conversion method includes: acquiring color coordinates and a brightness value of a first color in a first color gamut having M primary colors according to gray-scale values of the M primary colors corresponding to the first color; and mapping the color coordinates and the luminance value of the first color in the first color gamut to color coordinates and a brightness value of a second color corresponding to the first color in a second color gamut having N primary colors. 3≤M, 3≤N, M is different from N, and M and N are positive integers.
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公开(公告)号：US11232767B2
公开(公告)日：2022-01-25
申请号：US16309355
申请日：2018-04-09
Inventor： Tiankuo Shi , Xiaomang Zhang , Bin Dai , Lingyun Shi , Wei Sun , Bo Gao , Yue Li
Abstract: An image display method, a display system, and a computer-readable storage medium are disclosed. The image display method includes: acquiring a first image; determining a first region and a second region in the first image; performing a first rendering algorithm on the first region in the first image and performing a second rendering algorithm on the second region in the first image, so as to obtain a second image, where a rendering resolution of the first rendering algorithm is greater than a rendering resolution of the second rendering algorithm; and displaying the second image.
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公开(公告)号：US11074888B2
公开(公告)日：2021-07-27
申请号：US16641908
申请日：2019-04-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Bin Dai , Yanhui Xi , Xiaomang Zhang , Yue Li , Zhihua Ji , Tiankuo Shi , Yuxin Bi , Lingyun Shi
Abstract: An image data processing method and apparatus, an image display method and apparatus, and a computer-readable storage medium and a display device. The image data processing method includes: obtaining initial image data of a to-be-displayed image, wherein each pixel in the to-be-displayed image comprises a white sub-pixel and a plurality of color sub-pixels; determining a target stimulus value corresponding to each pixel based on the initial image data, wherein the target stimulus value corresponding to each pixel is negatively correlated with color saturation of each pixel; and updating the initial image data to obtain target image data, wherein a stimulus value of the white sub-pixel of each pixel in the target image data is the target stimulus value corresponding to each pixel.
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公开(公告)号：US10909943B2
公开(公告)日：2021-02-02
申请号：US16549229
申请日：2019-08-23
Inventor： Guofeng Hu , Yankai Gao , Hong Liu , Yuxin Bi , Yanhui Xi , Bin Dai , Mingjian Yu , Hong Wang , Donghui Wang
IPC: G09G3/36
Abstract: Provided are a gate drive circuit and a driving method thereof, a display panel and a display device. The gate drive circuit includes a first sub-circuit group and a second sub-circuit group. The first sub-circuit group can drive the mth row to the first row of pixels of the N rows of pixels in the display panel row by row, and the second sub-circuit group can drive the (m+1)th row to the Nth row of pixels row by row. In addition, m is greater than 1 and less than N.
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16.发明授权公开(公告)号：US10832611B2
公开(公告)日：2020-11-10
申请号：US16473543
申请日：2018-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanhui Xi , Bin Dai , Xiaomang Zhang , Yan Sun , Haijun Niu , Kuanjun Peng , Yuxin Bi , Donghui Wang
IPC: G09G3/20
Abstract: The present application provides a multiple primary color conversion method, including: determining color triangles according to color coordinates of a target color; computing grayscale components of l primary colors corresponding to the target color in the color triangles; in step S130, obtaining initial grayscales of l primary colors; in step S140, judging whether there is an overflow grayscale; if yes, then performing step S160, if no, then performing step S150; in step S150, adjusting initial brightness components corresponding to grayscale components of the same primary color as the overflow grayscale, computing grayscale components of l primary colors in color triangles including the primary color of the overflow grayscale, and performing steps S130 and S140; in step S160, determining the initial grayscales of l primary colors as grayscales of l primary colors of the target color.
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