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21.发明申请公开(公告)号：US20210217370A1
公开(公告)日：2021-07-15
申请号：US16959201
申请日：2019-12-17
发明人： Yilang Sun , Tiankuo Shi , Zhihua Ji , Xiaomang Zhang , Yifan Hou
IPC分类号： G09G3/34
摘要： Provided are a method for controlling backlight of a display device, a backlight controller for a display device, and a display device. The method includes: identifying a light emission luminance of each backlight partition in a backlight module according to display luminances of the plurality of display partitions; when the plurality of backlight partitions include two adjacent backlight partitions and an absolute value of a difference between the light emission luminance of the two adjacent backlight partitions is greater than a target threshold, adjusting the light emission luminance of at least one of the two adjacent backlight partitions such that the absolute value of the difference between the light emission luminances of the two adjacent backlight partitions is decreased; and after the luminance is adjusted, controlling light-emitting of each backlight partition.
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22.发明授权公开(公告)号：US11030964B2
公开(公告)日：2021-06-08
申请号：US16400459
申请日：2019-05-01
发明人： Wenyu Li , Jinghua Miao , Yukun Sun , Xuefeng Wang , Zhifu Li , Bin Zhao , Xi Li , Lixin Wang , Qingwen Fan , Jianwen Suo , Yali Liu , Hao Zhang , Lili Chen , Zhihua Ji , Jinbao Peng , Ziqiang Guo , Xiurong Wang
摘要： An image display processing method for a display device, an image display processing device, a display device, and a non-volatile storage medium are provided. The display device includes a backlight unit and a display panel, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming mode, and the image display processing method includes: obtaining initial backlight data of each of the plurality of backlight blocks corresponding to a display image; performing a peak driving process on the initial backlight data of each of the plurality of backlight blocks by a graphics processing unit to obtain adjusted backlight data of each of the plurality of backlight blocks; and providing the adjusted backlight data to the backlight unit by the graphics processing unit so that the display panel displays the display image.
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公开(公告)号：US10930225B2
公开(公告)日：2021-02-23
申请号：US16291707
申请日：2019-03-04
发明人： Zhihua Ji , Tiankuo Shi , Xiaomang Zhang , Yilang Sun , Lingyun Shi , Wenyu Li , Yanhui Xi , Chuanjun Liu
摘要： A display control method and apparatus of backlight sources, and a display device are provided. The method includes: determining a set backlight value of each backlight area according to a grayscale of an image to be displayed; determining an equivalent backlight luminance of each pixel point according to backlight source diffusion transmission parameter of the backlight module of the display device and the set backlight value of each backlight area; determining a compensation image according to the equivalent backlight luminance of each pixel point; and controlling the backlight module to turn on the backlight sources according to the set backlight value of each backlight area, and controlling the display panel to display the image according to the compensation image.
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公开(公告)号：US20190355316A1
公开(公告)日：2019-11-21
申请号：US16291707
申请日：2019-03-04
发明人： Zhihua Ji , Tiankuo Shi , Xiaomang Zhang , Yilang Sun , Lingyun Shi , Wenyu Li , Yanhui Xi , Chuanjun Liu
摘要： A display control method and apparatus of backlight sources, and a display device are provided. The method includes: determining a set backlight value of each backlight area according to a grayscale of an image to be displayed; determining an equivalent backlight luminance of each pixel point according to backlight source diffusion transmission parameter of the backlight module of the display device and the set backlight value of each backlight area; determining a compensation image according to the equivalent backlight luminance of each pixel point; and controlling the backlight module to turn on the backlight sources according to the set backlight value of each backlight area, and controlling the display panel to display the image according to the compensation image.
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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
发明人： Shuo Zhang , Tiankuo Shi , Xiaomang Zhang , Yanhui Xi , Zhihua Ji , Yan Sun , Chenxi Zhao , Xiangjun Peng , Yifan Hou , Minglei Chu
CPC分类号： G09G3/3426 , G09G3/3406 , G09G3/342 , G09G3/3607 , G09G5/391 , G09G2300/023 , G09G2320/0626 , G09G2320/0686 , G09G2340/0407 , G09G2340/0428
摘要： 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
发明人： Tiankuo Shi , Wei Sun , Yifan Hou , Zhihua Ji , Xiaomang Zhang , Rui Liu , Jigang Sun , Yuxin Bi , Xue Dong
IPC分类号： G09G3/3266 , G09G3/20 , G09G3/3275
CPC分类号： G09G3/3266 , G09G3/2096 , G09G3/3275 , G09G2300/0443 , G09G2300/0452 , G09G2320/0233 , G09G2330/021 , G09G2354/00
摘要： 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
发明人： Xiaomang Zhang , Xiangjun Peng , Tiankuo Shi , Chenxi Zhao , Shuo Zhang , Yifan Hou , Yan Sun , Li Tian , Jing Liu , Wei Sun , Zhihua Ji , Yanhui Xi
摘要： 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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公开(公告)号：US20230377526A1
公开(公告)日：2023-11-23
申请号：US17630721
申请日：2021-12-24
发明人： Shuo Zhang , Tiankuo Shi , Xiaomang Zhang , Yanhui Xi , Zhihua Ji , Yan Sun , Chenxi Zhao , Xiangjun Peng , Yifan Hou , Minglei Chu
CPC分类号： G09G3/3426 , G09G3/3607 , G09G2320/0626 , G09G2340/0407
摘要： 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：US11289035B2
公开(公告)日：2022-03-29
申请号：US16915755
申请日：2020-06-29
发明人： Zhihua Ji , Tiankuo Shi , Zhenkun Song , Xiaomang Zhang , Hsinchung Lo , Chingwen Kung , Lingyun Shi , Xin Duan , Yue Li , Yifan Hou
摘要： 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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30.发明授权公开(公告)号：US11114046B2
公开(公告)日：2021-09-07
申请号：US16635086
申请日：2019-07-25
发明人： Yilang Sun , Yifang Chu , Zhihua Ji , Tiankuo Shi , Lingyun Shi , Xiaomang Zhang
IPC分类号： G09G3/34
摘要： The present disclosure relates to a method for driving a display device, a driving apparatus, a display device and a computer-readable medium. The method includes: determining backlight signal values of backlight partitions in a backlight module according to input grayscale values of pixels; adjusting the backlight signal values of the backlight partitions by performing peak stretching processing on the backlight partitions in the condition that a total power consumption of the adjusted backlight module is less than a power threshold of the backlight module; determining backlight signal values of the pixels; determining output grayscale values of the pixels according to the backlight signal values of the pixels and the input grayscale values of the pixels; driving a display panel to display an image according to the output grayscale values of the pixels; and driving the backlight module according to the adjusted backlight signal values of the backlight partitions.
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