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公开(公告)号：US12033592B2
公开(公告)日：2024-07-09
申请号：US17630721
申请日：2020-12-24
Inventor： Shuo Zhang , Tiankuo Shi , Xiaomang Zhang , Yanhui Xi , Zhihua Ji , Yan Sun , Chenxi Zhao , Xiangjun Peng , Yifan Hou , Minglei Chu
CPC classification number: G09G3/3426 , G09G3/3406 , G09G3/342 , G09G3/3607 , G09G5/391 , G09G2300/023 , G09G2320/0626 , G09G2320/0686 , G09G2340/0407 , G09G2340/0428
Abstract: Provided is a method for displaying an image, including acquiring a first target image with a third resolution and a second target image with a fourth resolution; determining a reference grayscale value of each of the backlight sections based on grayscale values of respective pixels in the first image region corresponding to the backlight section; determining grayscale values of respective pixels in a first display image based on grayscale values of respective pixels in the first target image; determining grayscale values of respective pixels in a second display image; driving each of the backlight sources to emit light based on the reference grayscale value of the backlight section where the backlight source is disposed; driving the first display panel to perform display based on the first display image; and driving the second display panel to perform display based on the second display image.
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公开(公告)号：US11961479B2
公开(公告)日：2024-04-16
申请号：US17610581
申请日：2020-12-22
Inventor： Tiankuo Shi , Wei Sun , Yifan Hou , Zhihua Ji , Xiaomang Zhang , Rui Liu , Jigang Sun , Yuxin Bi , Xue Dong
IPC: G09G3/3266 , G09G3/20 , G09G3/3275
CPC classification number: G09G3/3266 , G09G3/2096 , G09G3/3275 , G09G2300/0443 , G09G2300/0452 , G09G2320/0233 , G09G2330/021 , G09G2354/00
Abstract: A display device and a method for driving the display device are described, where the display device includes a plurality of pixel island groups, a plurality of lenses, a positioning module, and a gate driving chip. The plurality of pixel island groups are arranged in array, wherein each of the pixel island groups includes a plurality of pixel islands, and different pixel islands are able to be scanned in different scanning modes. The positioning module is configured to determine a gaze area and a non-gaze area according to gazed coordinates of human eye. The gate driving chip is configured to provide gate driving signals in a first driving manner to sub-pixel units in the gaze area, and provide gate driving signals simultaneously in a second driving manner to sub-pixel units in the non-gaze area during a scanning stage of the sub-pixel units in the non-gaze area.
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公开(公告)号：US11941318B2
公开(公告)日：2024-03-26
申请号：US17785717
申请日：2021-04-27
Inventor： Xiaomang Zhang , Xiangjun Peng , Tiankuo Shi , Chenxi Zhao , Shuo Zhang , Yifan Hou , Yan Sun , Li Tian , Jing Liu , Wei Sun , Zhihua Ji , Yanhui Xi
Abstract: The present application provides an audio and video playing system, a playing method and a playing device. The system comprises: a display device; a directional sound output module configured to output a directional sound signal; a tracking element configured to monitor a target visual area and to monitor the target display area on the display screen; and a processor, connected with the directional sound output module and the tracking element respectively, and configured to acquire a first audio and video data to be output in the target display area, display image information of the first audio and video data in the target display area, and output sound information of the first audio and video data to the directional sound output module such that the directional sound output module output a directional sound signal towards the target visual area.
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24.发明授权公开(公告)号：US11900852B2
公开(公告)日：2024-02-13
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
CPC classification number: G09G3/2044 , G09G3/32 , G09G2320/0242 , G09G2320/0626 , G09G2320/0666 , G09G2320/0673 , G09G2360/06
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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Patent Agency Ranking
25.发明授权公开(公告)号：US11852921B2
公开(公告)日：2023-12-26
申请号：US17310849
申请日：2020-03-27
Inventor： Yanhui Xi , Tiankuo Shi , Yan Sun , Xiaomang Zhang , Yifan Hou , Xin Duan , Wei Sun , Ming Chen , Wenchieh Huang , Shaoru Zhang
IPC: G02F1/1335 , G02F1/13 , G09G5/10
CPC classification number: G02F1/133607 , G02F1/1323 , G09G5/10 , G09G2320/0626
Abstract: An alignment deviation detection method and apparatus of a display panel, a data compensation method and apparatus. The method includes: providing a first data signal for causing the dimming screen to display an alignment dimming picture including a first alignment pattern; providing a second data signal for causing the display screen to display an alignment display picture including a second alignment pattern; under a control of the first data signal, making the dimming screen display the alignment dimming picture, and under a control of the second data signal, making the display screen display the alignment display picture; according to a display situation of the second alignment pattern, determining an alignment state between the display screen and the dimming screen. An orthographic projection of the second alignment pattern on the dimming screen is preset to be at least partially aligned with and at least partially deviated from the first alignment pattern.
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公开(公告)号：US20230377526A1
公开(公告)日：2023-11-23
申请号：US17630721
申请日：2021-12-24
Inventor： Shuo Zhang , Tiankuo Shi , Xiaomang Zhang , Yanhui Xi , Zhihua Ji , Yan Sun , Chenxi Zhao , Xiangjun Peng , Yifan Hou , Minglei Chu
CPC classification number: G09G3/3426 , G09G3/3607 , G09G2320/0626 , G09G2340/0407
Abstract: Provided is a method for displaying an image, including acquiring a first target image with a third resolution and a second target image with a fourth resolution; determining a reference grayscale value of each of the backlight sections based on grayscale values of respective pixels in the first image region corresponding to the backlight section; determining grayscale values of respective pixels in a first display image based on grayscale values of respective pixels in the first target image; determining grayscale values of respective pixels in a second display image; driving each of the backlight sources to emit light based on the reference grayscale value of the backlight section where the backlight source is disposed; driving the first display panel to perform display based on the first display image; and driving the second display panel to perform display based on the second display image.
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公开(公告)号：US11335236B2
公开(公告)日：2022-05-17
申请号：US16916762
申请日：2020-06-30
Inventor： Zhiheng Zhou , Tiankuo Shi , Yue Li , Xiaomang Zhang , Jingpeng Zhao , Yifan Hou , Zhihua Ji , Yilang Sun , Yifang Chu , Chuanjun Liu , Xin Duan , Lingyun Shi
Abstract: The present disclosure provides an image processing method and a display device including rows of actual pixels each including actual sub-pixels, and starting positions of actual sub-pixels in odd-numbered and even-numbered rows are staggered by a distance of half of an actual sub-pixel. The method includes: determining rows of theoretical pixels corresponding to a to-be-displayed image, each theoretical pixel including theoretical sub-pixels, each actual pixel corresponding to at least two theoretical pixels; calculating grayscale data of each actual sub-pixel in a manner of: for a target actual pixel, determining a rendering mode for calculating grayscale data of each actual sub-pixel of the target actual pixel according to whether there is a specified detail feature in a pixel area where target theoretical pixels corresponding to the target actual pixel are located, different rendering modes are employed when there is or there is not a specified detail feature in the pixel area.
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公开(公告)号：US11289035B2
公开(公告)日：2022-03-29
申请号：US16915755
申请日：2020-06-29
Inventor： Zhihua Ji , Tiankuo Shi , Zhenkun Song , Xiaomang Zhang , Hsinchung Lo , Chingwen Kung , Lingyun Shi , Xin Duan , Yue Li , Yifan Hou
Abstract: A method for obtaining a backlight intensity may improving data processing speed of a display device. The method includes: dividing image data into N sets of data; calculating a backlight intensity of each backlight block according to a corresponding set of data; for each group of pixels, calculating a backlight intensity corresponding to a first pixel according to a backlight intensity of each effective backlight block corresponding to the first pixel and a backlight diffusion weight of the effective backlight block corresponding to the first pixel; calculating backlight intensities corresponding to second to Mth pixels in the Tth group of pixels according to the backlight intensities corresponding to first pixels in the Tth group of pixels and a (T+1)th group of pixels; and for a Nth group of pixels, setting the backlight intensity corresponding to the first pixel as backlight intensities corresponding to second to Mth pixels.
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公开(公告)号：US10976605B2
公开(公告)日：2021-04-13
申请号：US16655371
申请日：2019-10-17
Inventor： Zhihua Ji , Tiankuo Shi , Xiaomang Zhang , Yifang Chu , Yilang Sun , Chuanjun Liu , Xin Duan , Lingyun Shi , Yue Li , Yifan Hou
IPC: G02F1/1335 , H05B33/08 , G02F1/13357 , H05B45/10
Abstract: A picture compensation method and apparatus, a display device and a non-volatile computer-readable storage medium are disclosed. The method includes: partitioning light-emitting devices in a plurality of first partitions based on information of the plurality of first partitions of a backlight source to obtain a plurality of second partitions, wherein the first partition includes a plurality of synchronously controlled light-emitting devices, and the number of rows and the number of columns of light-emitting devices in each of the plurality of second partitions are equal; fitting a luminance diffusion curve of each of the plurality of second partitions based on a luminance diffusion curve of each light-emitting device in each of the plurality of second partitions; determining a backlight value of a pixel unit corresponding to each pixel on a display panel based on the luminance diffusion curve of each of the plurality of second partitions and a gray-scale value of each pixel of an input image; and compensating for a picture of the input image based on the backlight value of each pixel unit.
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