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公开(公告)号:US12217385B2
公开(公告)日:2025-02-04
申请号:US17575304
申请日:2022-01-13
Inventor: Tiankuo Shi , Xiaomang Zhang , Xuefeng Wang , Bin Dai , Lingyun Shi , Wei Sun , Bo Gao , Yue Li
IPC: G06T3/40 , G06T3/4038 , G06T7/11 , G06V40/18
Abstract: An image display method, an image processing method, an image processing device, a display system, and a computer-readable storage medium are disclosed. The image processing method is applied to an image processing device and includes: determining a first region in an original image; performing first processing on the first region in the original image to obtain a first processed region; performing second processing on the original image to obtain a second processed region; generating a first image based on the first processed region and the second processed region. A resolution of the first processed region is greater than a resolution of the second processed region.
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公开(公告)号:US11043152B2
公开(公告)日:2021-06-22
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 , G09G3/36 , G09G3/3233
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.
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公开(公告)号:US20200251066A1
公开(公告)日:2020-08-06
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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公开(公告)号:US11328645B2
公开(公告)日:2022-05-10
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
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.
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公开(公告)号:US11308844B2
公开(公告)日:2022-04-19
申请号:US16337741
申请日:2018-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Yanhui Xi , Bin Dai , Xiaomang Zhang , Haijun Niu , Kuanjun Peng , Xiaolong Li , Donghui Wang , Yan Sun
Abstract: A multi-primary color conversion method is provided to include: establishing a spatial gamut model of a display panel; determining a target peripheral surface corresponding to the target color according to the color coordinates of the target color and color coordinates of a color corresponding to each vertex of each peripheral surface; obtaining reference gray scales of a part of primary colors of the target color according to gray scales of the primary colors of a color corresponding to each vertex of the target peripheral surface; obtaining reference gray scales of the rest primary colors of the target color and a reference luminance of the target color; and respectively converting the reference gray scales of the plurality of primary colors of the target color into target gray scales according to a proportional relationship between the reference luminance and the target luminance of the target color.
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公开(公告)号:US11189208B2
公开(公告)日:2021-11-30
申请号:US16081638
申请日:2017-12-15
Inventor: Tiankuo Shi , Xiaomang Zhang , Bin Dai , Lingyun Shi , Wei Sun , Bo Gao , Yue Li
IPC: G09G3/20
Abstract: A driving method for a pixel array is provided. The driving method includes: amplifying an input image to obtain an intermediate image; calculating display parameters of each actual pixel unit based on display parameters of the intermediate theoretical pixel units of the intermediate image; and generating actual image signals based on the calculated display parameters of each actual pixel unit and inputting the actual image signals to the actual pixel units of the pixel array, respectively.
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公开(公告)号:US10984736B2
公开(公告)日:2021-04-20
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 Bi , 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.
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公开(公告)号:US10916173B2
公开(公告)日:2021-02-09
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
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.
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公开(公告)号:US11308897B2
公开(公告)日:2022-04-19
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
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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公开(公告)号:US11217186B2
公开(公告)日:2022-01-04
申请号:US16611444
申请日:2019-04-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Yanhui Xi , Yuxin Bi , Bin Dai , Xiaomang Zhang , Lingyun Shi
IPC: G09G3/34
Abstract: The present disclosure provides a dimming method for an LCD device. The LCD device includes a dimming screen and a display screen. The dimming screen is divided into N×M dimming areas, and the display screen is also divided into N×M display areas. N and M are respectively positive integers greater than or equal to 1. The dimming areas correspond to the display areas in a one-to-one relationship. The dimming method includes determining a regional eigenvalue of each of the dimming areas according to image data, determining a dimming brightness of each of the dimming areas according to each regional eigenvalue, and dimming each of the dimming areas according to each dimming brightness. The present disclosure also provides a dimming screen for use in the dimming method and an LCD device using the dimming method.
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