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公开(公告)号：US20240249690A1
公开(公告)日：2024-07-25
申请号：US18016918
申请日：2022-01-04
Inventor： Xiangjun Peng , Tiankuo Shi , Shuo Zhang , Yifan Hou , Zhihua Ji , Xiaomang Zhang , Xin Duan , Wei Sun
IPC: G09G3/34
CPC classification number: G09G3/3426 , G09G2320/066 , G09G2360/16
Abstract: A dimming method for a display panel is provided, including: acquiring image data of an image to be displayed; determining initial dimming pixel data of each of dimming pixels according to the image data; determining a dimming pixel to be filtered in the dimming screen according to the initial dimming pixel data of each of dimming pixels; determining a first filtering region according to the determined dimming pixel to be filtered; determining a filtering parameter of each of dimming pixels in the first filtering region according to a relationship between each of dimming pixels in the first filtering region and initial dimming pixel data of each of dimming pixels in the first filtering region; and updating dimming pixel data of the dimming pixel to be filtered according to the filtering parameter of each of dimming pixels in the first filtering region, so as to obtain updated dimming pixel data.
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公开(公告)号：US20230088891A1
公开(公告)日：2023-03-23
申请号：US17795088
申请日：2021-08-05
Inventor： Shuo Zhang , Yanhui Xi , Tiankuo Shi , Xiaomang Zhang , Zhihua Ji , Yan Sun , Chenxi Zhao , Xiangjun Peng , Yifan Hou , Minglei Chu
IPC: G09G3/20 , G02F1/1347
Abstract: Provided is a method for determining grayscale data. The method for determining grayscale data includes acquiring a source image; acquiring pixel values of third pixel points by calculating weighted values of channel values of a first pixel point and channel values of second pixel points of corresponding colors; acquiring a first image by replacing pixel values of the second pixel points in the source image with the pixel values of the third pixel points; and determining grayscale data of the first panel and grayscale data of the second panel based on the first image.
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公开(公告)号：US12177645B2
公开(公告)日：2024-12-24
申请号：US17800011
申请日：2021-05-21
Inventor： Shuo Zhang , Tiankuo Shi , Xiaomang Zhang , Yanhui Xi , Zhihua Ji , Yan Sun , Chenxi Zhao , Xiangjun Peng , Yifan Hou , Lianghao Zhang , Li Tian , Jing Liu , Wei Sun
IPC: H04S7/00 , G02B30/00 , G06T7/593 , G06T7/73 , G09F9/00 , G09F27/00 , H04N5/64 , H04N13/302 , H04R1/02 , H04R1/34 , H04R1/40 , H04R3/12 , H04R5/02 , H04R5/04
Abstract: A sound-generating device, a display device, a sound-generating controlling method, and a sound-generating controlling device are provided. The sound-generating device includes: a reflection plate which includes a first sound wave reflection face arranged towards a first direction; a plurality of main loudspeakers, the plurality of main loudspeakers are distributed in an array in a preset three-dimensional space, and the preset three-dimensional space is located at one side of the first sound wave reflection face towards a first direction; the plurality of main loudspeakers include first main loudspeakers with a sound-generating direction towards the first direction, and second main loudspeakers with a sound-generating direction towards a second direction, the second direction is an opposite direction of the first direction; and the sound waves emitted by the second main loudspeakers are transmitted to the first sound wave reflection face and can be reflected by the first sound wave reflection face.
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公开(公告)号：US12067935B2
公开(公告)日：2024-08-20
申请号：US17762695
申请日：2021-05-07
Inventor： Yifan Hou , Tiankuo Shi , Zhihua Ji , Xiaomang Zhang , Xin Duan , Wei Sun , Tao Yang , Chenxi Zhao , Xiangjun Peng , Shuo Zhang , Minglei Chu , Yan Sun , Yanhui Xi
IPC: G09G3/3258 , G09G3/3208 , H01L27/32
CPC classification number: G09G3/3208 , G09G2320/0233 , G09G2320/0242 , G09G2320/041 , G09G2360/16
Abstract: A display compensating method, display compensating device, and display device are provided, which relates to field of display and addresses the issues of poor screen uniformity, grayscale relationship change of sub-pixel due to ambient temperature change, and display screen brightness affected by ageing offset of threshold voltage corresponding to the sub-pixel. The display compensating method is applied to the display device, including: converting a received grayscale signal into a brightness signal; performing an optical compensation on a display brightness of the display device based on the brightness signal; converting a corresponding brightness signal on which the optical compensation is performed into a voltage signal; compensating for a threshold voltage corresponding to each sub-pixel in the display device based on the voltage signal; and compensating for operating parameters of the display device for the display device at different operating temperatures.
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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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Patent Agency Ranking
公开(公告)号：US20210390916A1
公开(公告)日：2021-12-16
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
IPC: G09G3/34
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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7.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
Inventor： Yilang Sun , Tiankuo Shi , Zhihua Ji , Xiaomang Zhang , Yifan Hou
IPC: G09G3/34
Abstract: 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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公开(公告)号：US12223621B2
公开(公告)日：2025-02-11
申请号：US17614120
申请日：2021-01-25
Inventor： Yan Sun , Minglei Chu , Tiankuo Shi , Yanhui Xi , Zhihua Ji , Yifan Hou , Chenxi Zhao , Shuo Zhang , Xiangjun Peng , Xiaomang Zhang , Wei Sun
Abstract: The present disclosure provides a virtual viewpoint synthesis method, including: pre-processing a depth image with zero parallax corresponding to an original image to obtain a processed depth image; generating virtual viewpoint images corresponding to a plurality of virtual viewpoints respectively according to the processed depth image and the original image; and filling holes in the virtual viewpoint image to generate a plurality of filled virtual viewpoint images. The present disclosure further provides an electronic apparatus and a computer-readable medium.
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公开(公告)号：US11922848B2
公开(公告)日：2024-03-05
申请号：US17790749
申请日：2021-08-05
Inventor： Tiankuo Shi , Yifan Hou , Xiangjun Peng , Chenxi Zhao , Xiaomang Zhang , Minglei Chu , Xin Duan , Wei Sun , Ming Chen , Lingyun Shi
IPC: G09G3/20
CPC classification number: G09G3/2003 , G09G2320/0242
Abstract: Provided is a method for compensating a displayed picture in a display screen. The display screen includes a plurality of regions, each of the plurality of regions including a plurality of pixels; the method includes: determining transformation matrices corresponding to pixels in the plurality of regions based on texture complexities of pictures to be displayed in the plurality of regions; acquiring compensated grayscales by compensating grayscales of pixel points in the pictures to be displayed in the plurality of regions based on the transformation matrices corresponding to the pixels in the plurality of regions.
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公开(公告)号：US11917167B2
公开(公告)日：2024-02-27
申请号：US17764359
申请日：2021-05-08
Inventor： Zhihua Ji , Tiankuo Shi , Xiaomang Zhang , Chingwen Kung , Rui Liu , Yifan Hou , Minglei Chu , Yanhui Xi , Yan Sun , Chenxi Zhao , Xiangjun Peng , Shuo Zhang
IPC: H04N11/02 , H04N19/172 , H04N19/176
CPC classification number: H04N19/172 , H04N19/176
Abstract: The present disclosure provides an image compression method, including steps of: acquiring a human-eye fixation point on an original image, and determining a fixation region and a non-fixation region of the original image according to the human-eye fixation point; and compressing the non-fixation region, and generating a compressed image according to the fixation region and the compressed non-fixation region. The present disclosure also provides an image display method, an image compression apparatus, an image display apparatus, and a computer readable medium.
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