Patents by Inventor Xiaomang Zhang

Xiaomang Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12067935
    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.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: August 20, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: 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
  • Patent number: 12057044
    Abstract: An image display method includes: obtaining image data of a target image, and obtaining an initial sampling value of a first screen according to the image data, wherein the initial sampling value includes region sampling values of at least two target regions in the first screen, and the region sampling values include a previous region correction value and a current region sampling value; correcting the current region sampling value in a target region sampling value, based on a mapping relationship between the previous region correction value and the target region sampling value, to obtain first data; and determining second data corresponding to a second screen according to the first data, to realize displaying of the target image in a stacked screen according to the first data and the second data, wherein the stacked screen is formed by the first screen and the second screen in an overlapped manner.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: August 6, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo Shi, Xiangjun Peng, Shuo Zhang, Yan Sun, Xiaomang Zhang, Xin Duan, Wei Sun, Shaoru Zhang
  • Publication number: 20240249690
    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.
    Type: Application
    Filed: January 4, 2022
    Publication date: July 25, 2024
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiangjun Peng, Tiankuo Shi, Shuo Zhang, Yifan Hou, Zhihua Ji, Xiaomang Zhang, Xin Duan, Wei Sun
  • Patent number: 12033592
    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.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: July 9, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO. , LTD., BOE TECHNOLOGY GROUP CO. , LTD.
    Inventors: Shuo Zhang, Tiankuo Shi, Xiaomang Zhang, Yanhui Xi, Zhihua Ji, Yan Sun, Chenxi Zhao, Xiangjun Peng, Yifan Hou, Minglei Chu
  • Publication number: 20240221566
    Abstract: An image display method includes: obtaining image data of a target image, and obtaining an initial sampling value of a first screen according to the image data, wherein the initial sampling value includes region sampling values of at least two target regions in the first screen, and the region sampling values include a previous region correction value and a current region sampling value; correcting the current region sampling value in a target region sampling value, based on a mapping relationship between the previous region correction value and the target region sampling value, to obtain first data; and determining second data corresponding to a second screen according to the first data, to realize displaying of the target image in a stacked screen according to the first data and the second data, wherein the stacked screen is formed by the first screen and the second screen in an overlapped manner.
    Type: Application
    Filed: September 15, 2021
    Publication date: July 4, 2024
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tiankuo SHI, Xiangjun PENG, Shuo ZHANG, Yan SUN, Xiaomang ZHANG, Xin DUAN, Wei SUN, Shaoru ZHANG
  • Publication number: 20240203314
    Abstract: The present disclosure provides a driving method of a display panel, including: determining a target region and a non-target region in the display panel; dividing the target region into a plurality of target sub-regions, and dividing the non-target region into a plurality of non-target sub-regions, wherein an area of the target sub-region is less than that of the non-target sub-region; determining brightness compensation values of each target sub-region and each non-target sub-region according to a gray scale value of each pixel in an input image; determining a compensated brightness of each pixel unit in the display panel according to the gray scale value of each pixel in the input image, the brightness compensation values of each target sub-region and each non-target sub-region; and driving each pixel unit in the display panel to emit light according to the compensated brightness of each pixel unit in the display panel.
    Type: Application
    Filed: October 22, 2021
    Publication date: June 20, 2024
    Inventors: Yifan HOU, Tiankuo SHI, Zhihua JI, Wei SUN, Xiaomang ZHANG, Minglei CHU, Yan SUN, Shuo ZHANG, Xiangjun PENG
  • Patent number: 11961479
    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.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: April 16, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo Shi, Wei Sun, Yifan Hou, Zhihua Ji, Xiaomang Zhang, Rui Liu, Jigang Sun, Yuxin Bi, Xue Dong
  • Patent number: 11941318
    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.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: March 26, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiaomang Zhang, Xiangjun Peng, Tiankuo Shi, Chenxi Zhao, Shuo Zhang, Yifan Hou, Yan Sun, Li Tian, Jing Liu, Wei Sun, Zhihua Ji, Yanhui Xi
  • Patent number: 11922848
    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.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: March 5, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tiankuo Shi, Yifan Hou, Xiangjun Peng, Chenxi Zhao, Xiaomang Zhang, Minglei Chu, Xin Duan, Wei Sun, Ming Chen, Lingyun Shi
  • Publication number: 20240071280
    Abstract: A display method comprises: acquiring multiple frames of images to be displayed, one frame of two adjacent frames of the images to be displayed being an image in an odd-numbered row, the other frame being an image in an even-numbered row, the resolution of the image in the odd-numbered row being M*(a*N), the resolution of the image in the even-numbered row being M*(a*N) or (M?1)*(a*N), and a being 1 or 2; and causing an odd-numbered display group to display the image in the odd-numbered row, and causing an even-numbered display group to display the image in the even-numbered row, the odd-numbered display group comprising M*(a*N) odd-numbered display units, the even-numbered display group comprising (M?1)*(a*N) even-numbered display units, the odd-numbered display unit in the i-th row comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel in a pixel unit in the i-th row.
    Type: Application
    Filed: July 8, 2022
    Publication date: February 29, 2024
    Inventors: Tiankuo SHI, Xin DUAN, Minglei CHU, Wei SUN, Xiaomang ZHANG, Shuo ZHANG, Zhihua JI, Yan SUN, Xue DONG
  • Patent number: 11917167
    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.
    Type: Grant
    Filed: May 8, 2021
    Date of Patent: February 27, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhihua Ji, Tiankuo Shi, Xiaomang Zhang, Chingwen Kung, Rui Liu, Yifan Hou, Minglei Chu, Yanhui Xi, Yan Sun, Chenxi Zhao, Xiangjun Peng, Shuo Zhang
  • Patent number: 11915661
    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.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 27, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chenxi Zhao, Xingyu Guo, Tiankuo Shi, Xiaomang Zhang, Xiangjun Peng, Shuo Zhang
  • Publication number: 20240054950
    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.
    Type: Application
    Filed: May 7, 2021
    Publication date: February 15, 2024
    Inventors: 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
  • Patent number: 11900852
    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.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: February 13, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiangjun Peng, Tiankuo Shi, Chenxi Zhao, Yifan Hou, Xiaomang Zhang, Wei Sun, Shuo Zhang, Yan Sun
  • Patent number: 11852921
    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.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: December 26, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui Xi, Tiankuo Shi, Yan Sun, Xiaomang Zhang, Yifan Hou, Xin Duan, Wei Sun, Ming Chen, Wenchieh Huang, Shaoru Zhang
  • Patent number: 11837187
    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.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: December 5, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY PRESY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui Xi, Tiankuo Shi, Xiaomang Zhang, Yan Sun, Shuo Zhang, Zhihua Ji, Wei Sun, Ming Chen
  • Publication number: 20230377526
    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.
    Type: Application
    Filed: December 24, 2021
    Publication date: November 23, 2023
    Inventors: Shuo Zhang, Tiankuo Shi, Xiaomang Zhang, Yanhui Xi, Zhihua Ji, Yan Sun, Chenxi Zhao, Xiangjun Peng, Yifan Hou, Minglei Chu
  • Publication number: 20230354667
    Abstract: A display substrate including a base substrate is provided. The display substrate includes a sub-pixel array, which includes a plurality of first sub-pixel rows and a plurality of second sub-pixel rows, each first sub-pixel row includes a plurality of first sub-pixels, a plurality of second sub-pixels, and a plurality of third sub-pixels, each second sub-pixel row includes a plurality of fourth sub-pixels and a plurality of white sub-pixels. Each first sub-pixel, each second sub-pixel, and each third sub-pixel are configured such that white can be displayed by combining a single first sub-pixel, a single second sub-pixel, and a single third sub-pixel, and each fourth sub-pixel is selected from any one of the first sub-pixel, the second sub-pixel and the third sub-pixel. Each of the plurality of first sub-pixel rows and each of the plurality of second sub-pixel rows are arranged alternately in a column direction of the sub-pixel array.
    Type: Application
    Filed: March 19, 2021
    Publication date: November 2, 2023
    Inventors: Yan SUN, Xiaomang ZHANG, Tiankuo SHI, Wei SUN, Xiaochuan CHEN, Zhijian ZHU, Pengcheng LU, Chenyu CHEN
  • Publication number: 20230345787
    Abstract: A pixel structure, a driving method thereof, a display panel, and a display apparatus are provided. The pixel structure includes: a plurality of pixel rows and a plurality of pixel columns. Each pixel row includes: sub-pixels of four different colors. The plurality of pixel columns include: a plurality of first pixel columns and a plurality of second pixel columns arranged alternately. Each of the first pixel columns includes: sub-pixels of three of the four different colors. Each of the second pixel columns includes: sub-pixels of another color other than the three of the four different colors.
    Type: Application
    Filed: April 27, 2021
    Publication date: October 26, 2023
    Inventors: Zhijian ZHU, Pengcheng LU, Chenyu CHEN, Shengji YANG, Xiaochuan CHEN, Yan SUN, Tiankuo SHI, Xiaomang ZHANG, Yuanlan TIAN, Dacheng ZHANG
  • Patent number: 11715425
    Abstract: A display method, a display device, a display system, and a storage medium are provided. The display method includes: obtaining a first fixation coordinate transmitted by an image acquisition device, and obtaining a second fixation coordinate and a current frame of image that are transmitted by a first processor; performing refresh and display by using the current frame of image; determining a type of the current frame of image, and determining, based on the type, whether the first fixation coordinate changes abnormally; and performing refresh and display by using a previous frame of image for non-fixation region in a case that the first fixation coordinate changes abnormally, and performing refresh and display by using a next frame of image transmitted by the first processor in a case that the first fixation coordinate does not change abnormally.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: August 1, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tiankuo Shi, Yifan Hou, Zhihua Ji, Xiaomang Zhang, Wei Sun, Rui Liu, Minglei Chu, Xue Dong, Hao Zhang, Lili Chen