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).

  • Publication number: 20220383829
    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: Application
    Filed: May 31, 2021
    Publication date: December 1, 2022
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY 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: 20220345723
    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: Application
    Filed: May 8, 2021
    Publication date: October 27, 2022
    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
  • Publication number: 20220309984
    Abstract: A display data processing method of a display device, a display device, an electronic device, and a storage medium are disclosed.
    Type: Application
    Filed: March 27, 2020
    Publication date: September 29, 2022
    Inventors: Yanhui XI, Tiankuo SHI, Yan SUN, Xiaomang ZHANG, Yifan HOU, Xin DUAN, Wei SUN, Ming CHEN, Yifang CHU, Lingyun SHI
  • Publication number: 20220283466
    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: Application
    Filed: March 27, 2020
    Publication date: September 8, 2022
    Inventors: Yanhui XI, Tiankuo SHI, Yan SUN, Xiaomang ZHANG, Yifan HOU, Xin DUAN, Wei SUN, Ming CHEN, Wenchieh HUANG, Shaoru ZHANG
  • Patent number: 11417285
    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.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: August 16, 2022
    Assignees: Beijing BOE Optoelectronics Technology Co., LTD., BOE Technology Group Co., LTD
    Inventors: Yilang Sun, Tiankuo Shi, Zhihua Ji, Xiaomang Zhang, Yifan Hou
  • Patent number: 11393419
    Abstract: The display technologies relate to a method and computer-readable medium for displaying image and to a display device configured to perform the method for displaying image. The image display method includes acquiring an image for display in an nth frame on a display screen; detecting a first sub-image and a second sub-image within the image, a resolution of the first sub-image being higher than a resolution of the second sub-image; comparing the first sub-image in the nth frame with a corresponding sub-image in an (n?1)th frame; and refreshing a localized area of the display screen positionally corresponding to the first sub-image to display an interpolated sub-image in the localized area.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: July 19, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo Shi, Lingyun Shi, Xiaomang Zhang, Zhihua Ji, Yafei Li, Xin Duan, Xiurong Wang, Wei Sun, Hao Zhang, Ming Chen, Yuxin Bi
  • Publication number: 20220223110
    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: Application
    Filed: December 20, 2021
    Publication date: July 14, 2022
    Inventors: Tiankuo SHI, Yifan HOU, Zhihua JI, Xiaomang ZHANG, Wei SUN, Rui LIU, Minglei CHU, Xue DONG, Hao ZHANG, Lili CHEN
  • Publication number: 20220189422
    Abstract: The embodiments of the present application disclose a method of controlling display of a display device, an apparatus thereof and a display apparatus. The display device includes a backlight unit and a display panel, wherein the backlight unit includes a plurality of backlight partitions, each of which is independently driven, and the display panel includes a plurality of display partitions in one-to-one correspondence with the backlight partitions. The method comprises: causing the display panel to display a test image, wherein each pixel of the test image has a same gray value; acquiring a luminance of each display partition of the display panel; determining a compensation coefficient according to the luminance of each display partition; adjusting backlight data of the backlight partition according to the compensation coefficient to obtain adjusted backlight data of each backlight partition; and providing the adjusted backlight data to the backlight unit for display by the display panel.
    Type: Application
    Filed: May 25, 2020
    Publication date: June 16, 2022
    Inventors: Mengmeng Wang, Xiurong Wang, Xiaomang Zhang, Wenhao Liu, Juanjuan Shi
  • Publication number: 20220166965
    Abstract: The present disclosure relates to a system for measuring a naked-eye stereoscopic image, a method and apparatus for processing an image and a display device. The system includes: a naked-eye stereoscopic display device, configured to display preset images in sequence; an image acquisition device, configured to obtain monochromatic images by capturing display contents of the naked-eye stereoscopic display device, and send the monochromatic images to a processor; and a processor, configured to acquire at least one preset crosstalk amount to each stereoscopic pixel of the naked-eye stereoscopic display device from each view point according to the monochromatic images, where each of the at least one preset crosstalk amount represents a proportion coefficient that measures how much a view from another view point affects a color value of a view from a target view point.
    Type: Application
    Filed: August 27, 2021
    Publication date: May 26, 2022
    Inventors: Minglei CHU, Yan SUN, Tiankuo SHI, Shuo ZHANG, Xiaomang ZHANG, Wei SUN, Xin DUAN, Rui LIU, Xue DONG
  • Patent number: 11335236
    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.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: May 17, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiheng Zhou, Tiankuo Shi, Yue Li, Xiaomang Zhang, Jingpeng Zhao, Yifan Hou, Zhihua Ji, Yilang Sun, Yifang Chu, Chuanjun Liu, Xin Duan, Lingyun Shi
  • Patent number: 11328645
    Abstract: The display control method according to some embodiments of the present disclosure includes: acquiring an M-primary-color input signal from each pixel in an original image, the original image including a plurality of pixels corresponding to the plurality of pixel units respectively, each pixel being configured to display a colored image in M primary colors, M being an integer greater than 1 and smaller than N; and calculating an N-primary-color input signal for a corresponding pixel unit of the N-primary-color display panel in accordance with color coordinates of each primary color for the N-primary-color display panel and the M-primary-color input signal.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: May 10, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bin Dai, Xue Dong, Xiaomang Zhang, Jing Lv, Dong Chen, Yuxin Bi, Yanhui Xi, Xiaolong Li, Haijun Niu
  • Publication number: 20220138901
    Abstract: An image display method, an image processing method, an image processing device, a display system, and a computer-readable storage medium are disclosed. The image processing method is applied to an image processing device and includes: determining a first region in an original image; performing first processing on the first region in the original image to obtain a first processed region; performing second processing on the original image to obtain a second processed region; generating a first image based on the first processed region and the second processed region. A resolution of the first processed region is greater than a resolution of the second processed region.
    Type: Application
    Filed: January 13, 2022
    Publication date: May 5, 2022
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo SHI, Xiaomang ZHANG, Xuefeng WANG, Bin DAI, Lingyun SHI, Wei SUN, Bo GAO, Yue LI
  • Patent number: 11308844
    Abstract: A multi-primary color conversion method is provided to include: establishing a spatial gamut model of a display panel; determining a target peripheral surface corresponding to the target color according to the color coordinates of the target color and color coordinates of a color corresponding to each vertex of each peripheral surface; obtaining reference gray scales of a part of primary colors of the target color according to gray scales of the primary colors of a color corresponding to each vertex of the target peripheral surface; obtaining reference gray scales of the rest primary colors of the target color and a reference luminance of the target color; and respectively converting the reference gray scales of the plurality of primary colors of the target color into target gray scales according to a proportional relationship between the reference luminance and the target luminance of the target color.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: April 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui Xi, Bin Dai, Xiaomang Zhang, Haijun Niu, Kuanjun Peng, Xiaolong Li, Donghui Wang, Yan Sun
  • Patent number: 11308897
    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.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: April 19, 2022
    Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: 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
  • Patent number: 11308896
    Abstract: The embodiments of this disclosure disclose a liquid crystal display device and a control method thereof, a head-mounted display device and a computer-readable storage medium. The control method of the liquid crystal display device comprises: obtaining a state of each pixel in the display panel based on inputted image data; obtaining a display zone comprising both pixels in a bright state and pixels in a dark state based on the state of each pixel in the display panel, and using the obtained display zone as a destination zone; obtaining a halo region based on the state of the pixels in the destination zone, wherein the halo region comprises pixels in the dark state in the destination zone; generating a first control signal based on the halo region; and controlling based on the first control signal a backlight zone to be adjusted.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: April 19, 2022
    Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Tiankuo Shi, Zhihua Ji, Xiaomang Zhang, Lingyun Shi, Xiurong Wang, Hao Zhang, Lili Chen, Yilang Sun, Yifang Chu, Yanhui Xi, Wenyu Li, Ming Chen
  • Patent number: 11289035
    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.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: March 29, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhihua Ji, Tiankuo Shi, Zhenkun Song, Xiaomang Zhang, Hsinchung Lo, Chingwen Kung, Lingyun Shi, Xin Duan, Yue Li, Yifan Hou
  • Publication number: 20220095070
    Abstract: A display device, a method for realizing panoramic sound, a non-transitory storage medium are provided. The method includes: performing space model parameter modification on preset space model based on application environment; determining middle audio source information based on video source information as read, determining side audio source information based on video source information and modified space model parameter; determining top audio source information based on sound image position information and side audio source information; controlling middle sound production circuit to produce sound based on middle audio source information, two side sound production circuits to produce sound based on side audio source information, top sound production circuit to produce sound based on top audio source information.
    Type: Application
    Filed: September 24, 2021
    Publication date: March 24, 2022
    Inventors: Yanhui XI, Xiaomang ZHANG, Zhihua JI, Tiankuo SHI, Yan SUN, Shuo ZHANG, Xiangjun PENG, Yifan HOU, Chenxi ZHAO, Minglei CHU
  • Patent number: 11232767
    Abstract: An image display method, a display system, and a computer-readable storage medium are disclosed. The image display method includes: acquiring a first image; determining a first region and a second region in the first image; performing a first rendering algorithm on the first region in the first image and performing a second rendering algorithm on the second region in the first image, so as to obtain a second image, where a rendering resolution of the first rendering algorithm is greater than a rendering resolution of the second rendering algorithm; and displaying the second image.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: January 25, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo Shi, Xiaomang Zhang, Bin Dai, Lingyun Shi, Wei Sun, Bo Gao, Yue Li
  • Patent number: 11217186
    Abstract: The present disclosure provides a dimming method for an LCD device. The LCD device includes a dimming screen and a display screen. The dimming screen is divided into N×M dimming areas, and the display screen is also divided into N×M display areas. N and M are respectively positive integers greater than or equal to 1. The dimming areas correspond to the display areas in a one-to-one relationship. The dimming method includes determining a regional eigenvalue of each of the dimming areas according to image data, determining a dimming brightness of each of the dimming areas according to each regional eigenvalue, and dimming each of the dimming areas according to each dimming brightness. The present disclosure also provides a dimming screen for use in the dimming method and an LCD device using the dimming method.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: January 4, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui Xi, Yuxin Bi, Bin Dai, Xiaomang Zhang, Lingyun Shi
  • Publication number: 20210390916
    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.
    Type: Application
    Filed: May 22, 2020
    Publication date: December 16, 2021
    Inventors: 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