-
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.
-
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.
-
23.发明授权公开(公告)号：US11195479B2
公开(公告)日：2021-12-07
申请号：US16763762
申请日：2019-11-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanhui Xi , Xiaomang Zhang , Yan Sun , Zhihua Ji , Yuxin Bi , Tiankuo Shi
Abstract: The present disclosure relates to a method for driving a display device, a driving apparatus, a display device, and a computer-readable medium. The display device includes a backlight module, which includes a plurality of backlight regions. The method includes: determining a first backlight signal value of each of the plurality of backlight regions according to input grayscale values of pixels in an image to be displayed; determining a second backlight signal value of each of the plurality of backlight regions according to the first backlight signal values of the plurality of backlight regions and a preset backlight diffusion function; and driving each of the plurality of backlight regions to emit light using the second backlight signal value of the backlight region.
-
24.发明授权公开(公告)号：US10896635B2
公开(公告)日：2021-01-19
申请号：US16482107
申请日：2018-09-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanhui Xi , Bin Dai , Xiaomang Zhang , Yan Sun , Kuanjun Peng , Haijun Niu , Xiaolong Li , Donghui Wang
IPC: G09G3/20
Abstract: Disclosed is a primary color conversion method, which may expand primary color signals that are applicable to a display device. The primary color conversion method includes: acquiring color coordinates and a brightness value of a first color in a first color gamut having M primary colors according to gray-scale values of the M primary colors corresponding to the first color; and mapping the color coordinates and the luminance value of the first color in the first color gamut to color coordinates and a brightness value of a second color corresponding to the first color in a second color gamut having N primary colors. 3≤M, 3≤N, M is different from N, and M and N are positive integers.
-
公开(公告)号：US12283029B2
公开(公告)日：2025-04-22
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.
-
Patent Agency Ranking
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.
-
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.
-
28.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.
-
29.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.
-
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.
-
-
-
-
-
-
-
-
-
Search Results
31
records
(took 0.055 seconds)
