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31.
公开(公告)号:US20220309984A1
公开(公告)日:2022-09-29
申请号:US17428846
申请日:2020-03-27
Inventor: Yanhui XI , Tiankuo SHI , Yan SUN , Xiaomang ZHANG , Yifan HOU , Xin DUAN , Wei SUN , Ming CHEN , Yifang CHU , Lingyun SHI
Abstract: A display data processing method of a display device, a display device, an electronic device, and a storage medium are disclosed. The display data processing method includes: in response to a case where a frequency of the dimming screen is consistent with a frequency of the display screen: determining a first gray-scale value of the first dimming pixel according to a plurality of input gray-scale values, which are in one-to-one correspondence with the plurality of first display pixels, in an input image; determining a second gray-scale value of the first dimming pixel according to the first gray-scale value of the first dimming pixel and a noise reduction function, where the noise reduction function is a monotonically increasing function in an interval (0, 1), and has an intersection point P(x0, y0) with a function y=x in a case where x is in the interval (0, 1), and in a case where x is in an interval (0, x0), a function value of the noise reduction function is less than a function value y of the function y=x; obtaining a dimming gray-scale value of the first dimming pixel based on the second gray-scale value of the first dimming pixel; and determining a plurality of target gray-scale values corresponding to the plurality of first display pixels according to the plurality of input gray-scale values and the dimming gray-scale value of the first dimming pixel.
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公开(公告)号:US20220138901A1
公开(公告)日:2022-05-05
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
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:US20210335184A1
公开(公告)日:2021-10-28
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: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
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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35.
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.
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36.
公开(公告)号:US20250142258A1
公开(公告)日:2025-05-01
申请号:US19008548
申请日:2025-01-02
Inventor: Minglei CHU , Yanhui XI , Xiaomang ZHANG , Xiangjun PENG , Wenchao HAN , Lianghao ZHANG , Wei SUN , Rui LIU , Xin DUAN , Tiankuo SHI
Abstract: The present disclosure provides a display device, a sound-emitting control method, and a sound-emitting control device. The device includes: a display screen which includes a first display region, a middle display region, and a second display region; a plurality of sound-emitting units, which include: a plurality of first sound-emitting units, a plurality of second sound-emitting units and a plurality of third sound-emitting units, the orthographic projection of the first sound-emitting units on the plane of the display screen is located in the first display region, the orthographic projection of the second sound-emitting units on the plane of the display screen is located in the second display region, and the orthographic projection of the third sound-emitting units on the plane of the display screen is located in the third display region; the plurality of first sound-emitting units and the plurality of second sound-emitting units respectively include a sound-emitting unit which emits sounds at a first frequency band, a sound-emitting unit which emits sounds at a second frequency band, and a sound-emitting unit which emits sounds at a third frequency band; the first, second, and third frequency bands increase in turn; and all of the plurality of third sound-emitting units are the sound-emitting units emitting sound in the second frequency band.
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公开(公告)号:US20230125649A1
公开(公告)日:2023-04-27
申请号:US17907849
申请日:2021-03-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD. , Peking University
Inventor: Yan SUN , Yunhe TONG , Tiankuo SHI , Xue CHEN , Yanhui XI , Yuxin BI , Anjie WANG , Songchao TAN , Xiaomang ZHANG
Abstract: An image inpainting method includes: acquiring an image to be inpainted based on depth information and texture information of a reference image, the image to be inpainted including at least one region to be inpainted; determining at least one reference block matching the at least one region to be inpainted respectively in the reference image; and inpainting the at least one region to be inpainted by using the at least one reference block to obtain a composite image.
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38.
公开(公告)号:US20230094077A1
公开(公告)日:2023-03-30
申请号:US17909420
申请日:2021-06-17
Inventor: Chenxi ZHAO , Xingyu GUO , Tiankuo SHI , Xiaomang ZHANG , Xiangjun PENG , Shuo ZHANG
IPC: G09G3/34
Abstract: A backlight adjusting method of display device, a backlight adjusting device and a display device are provided, where the display device includes a display panel and a backlight element, the display panel is divided into a plurality of display subareas, the backlight element includes a plurality of backlight subareas, the display subareas and the backlight subareas are in a one-to-one correspondence, the method includes: for each of the backlight subareas, calculating an initial backlight value of the backlight subarea according to pixel information of the display subarea corresponding to the backlight subarea; and determining a first correction backlight value of the backlight subarea according to a preset backlight threshold and an initial backlight value of each of the other backlight subareas adjacent to the backlight subarea.
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39.
公开(公告)号:US20230074524A1
公开(公告)日:2023-03-09
申请号:US17785644
申请日:2021-08-12
Inventor: Xiangjun PENG , Tiankuo SHI , Chenxi ZHAO , Yifan HOU , Xiaomang ZHANG , Wei SUN , Shuo ZHANG , Yan SUN
Abstract: The present disclosure provides a method and a device for obtaining display compensation information, a display compensation method and a display compensation device. The method includes: obtaining target data in a pure-color image displayed by a display panel, the display panel including a plurality of pixels, each pixel includes a plurality of monochromatic light-emitting elements in various colors, each monochromatic light-emitting element in a corresponding color being configured to display an image at a highest grayscale value when the pure-color image is displayed by the display panel; determining a conversion matrix for a target gamut of the display panel and a pixel conversion matrix for each pixel in accordance with the target data; and determining a uniformity conversion matrix for performing brightness and chromaticity uniformity compensation on each pixel in accordance with the pixel conversion matrix and the conversion matrix for the target gamut. According to the present disclosure, it is able to improve the brightness uniformity and the chromaticity uniformity of the display panel.
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公开(公告)号:US20220383829A1
公开(公告)日:2022-12-01
申请号:US17782281
申请日:2021-05-31
Inventor: Yanhui XI , Tiankuo SHI , Xiaomang ZHANG , Yan SUN , Shuo ZHANG , Zhihua JI , Wei SUN , Ming CHEN
IPC: G09G3/36 , G02F1/1347
Abstract: A driving method of a display panel, a driving device, a display device, and a storage medium are provided. The driving method of the display panel includes: obtaining an input image that is to be displayed; determining a display picture corresponding to the plurality of display pixels of the display screen according to the input image; determining a first dimming picture corresponding to the plurality of dimming pixels of the dimming screen according to the input image, and processing the first dimming picture to obtain a second dimming picture; providing the display picture to make the dimming screen perform backlight modulation on the display screen according to the second dimming picture, and providing the second dimming picture to make the display screen display the input image according to the display picture.
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