公开(公告)号：US20200043396A1

公开(公告)日：2020-02-06

申请号：US16397185

申请日：2019-04-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Bin DAI ,  Yanhui XI ,  Xiaomang ZHANG ,  Yan SUN ,  Yue LI ,  Yuxin BI ,  Yankai GAO

IPC: G09G3/20 ,  G09G3/36

Abstract: The disclosure relates to a method and apparatus for converting a grayscale, and a display device, where color coordinates of respective pixel elements are determined according to grayscales corresponding to red sub-pixels, green sub-pixels, and blue sub-pixels in the respective pixel elements in image data of a frame to be displayed, and then the distances between the color coordinates of the respective pixel elements, and color coordinates of a preset white pixel on the panel, in a CIE chroma graph are determined; and the maximum grayscales of white sub-pixels in the respective pixel elements are further determined according to the respective determined distances and a preset segmentation function.

公开(公告)号：US20200027408A1

公开(公告)日：2020-01-23

申请号：US16391892

申请日：2019-04-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanhui XI ,  Ming CHEN ,  Xiaomang ZHANG ,  Yan Sun ,  Bin DAI ,  Zhihua JI ,  Tiankuo SHI ,  Yuxin Bl ,  Lingyun SHI

IPC: G09G3/34

Abstract: An image display processing method for a display device, an image display processing device, a display device and a storage medium are provided. The display device includes a backlight unit, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming mode, and the image display processing method includes: acquiring a regional eigenvalue of each backlight block of an (n)th frame image and a regional eigenvalue of each backlight block of an (n−1)th frame image; and performing a peak driving processing on a backlight luminance of each backlight block of the (n)th frame image, based on a preset threshold, the regional eigenvalue of each backlight block of the (n)th frame image and the regional eigenvalue of each backlight block of the (n−1)th frame image, so as to acquire an adjusted backlight luminance of each backlight block of the (n)th frame image.

公开(公告)号：US20210335183A1

公开(公告)日：2021-10-28

申请号：US16323931

申请日：2018-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Bin DAI ,  Xue DONG ,  Xiaomang ZHANG ,  Jing LV ,  Dong CHEN ,  Yuxin BI ,  Yanhui XI ,  Xiaolong LI ,  Haijun NIU

IPC: G09G3/20

Abstract: The display control method according to some embodiments of the present disclosure includes: acquiring an M-primary-color input signal from each pixel in an original image, the original image including a plurality of pixels corresponding to the plurality of pixel units respectively, each pixel being configured to display a colored image in M primary colors, M being an integer greater than 1 and smaller than N; and calculating an N-primary-color input signal for a corresponding pixel unit of the N-primary-color display panel in accordance with color coordinates of each primary color for the N-primary-color display panel and the M-primary-color input signal.

公开(公告)号：US20200013322A1

公开(公告)日：2020-01-09

申请号：US16438792

申请日：2019-06-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Bin DAI ,  Xiaomang ZHANG ,  Yanhui XI ,  Yan SUN ,  Yankai GAO ,  Yuxin BI ,  Lingyun SHI

IPC: G09G3/00 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/36

Abstract: A method for filling holes in a naked-eye 3D multi-viewpoint image is provided, comprising: sequentially performing a step of mapping, determining and marking row by row, comprising mapping two first pixels adjacent to each other in a row direction among a plurality of first pixels in a reference camera image to two second pixels in a virtual camera image, determining whether there is a hole between the two second pixels, and if so, marking the hole; and sequentially performing a step of scanning, assessing and filling row by row, comprising scanning two second pixels adjacent to each other in a row direction, assessing whether there is a marked hole between the two adjacent second pixels, and filling the marked hole according to at least one non-zero second pixel which is adjacent to the marked hole.