Patents by Inventor ZHIHUA JI

ZHIHUA JI 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: 20230244840
    Abstract: Disclosed is a discharge streamer simulation method considering offset and bifurcation. In the method, an insulating medium is arranged in an electric field environment, the number range of discharge streamer bifurcation points in the insulating medium and the number range of effective electron avalanches generated by each bifurcation are measured, a control equation and a boundary condition for streamer simulation are constructed based on a hydrodynamic drift diffusion model and a bipolar charge carrier model, model parameters corrected based on an electron avalanche development probability theory are introduced in the equation solving process, mathematical description and simulation calculation of a streamer offset and a bifurcation phenomenon are realized, and the electric field distribution and charge distribution accompanying the discharge streamer development process considering offset and bifurcation can be finally obtained.
    Type: Application
    Filed: August 10, 2022
    Publication date: August 3, 2023
    Inventors: Simeng LI, Zewei BU, Zhihua LIU, Yongliang DANG, Shengchang JI
  • Publication number: 20230226055
    Abstract: Described herein are compounds that activate pyruvate kinase, pharmaceutical compositions and methods of use thereof. These compounds are represented by Formula (I) wherein R1, R2, Ra, Rb, Rj, Rk, and Q are as defined herein.
    Type: Application
    Filed: January 20, 2023
    Publication date: July 20, 2023
    Inventors: Giovanni Cianchetta, Tao Liu, Anil Kumar Padyana, Zhihua Sui, Zhenwei Cai, Dawei Cui, Jingjing Ji
  • Publication number: 20230156402
    Abstract: A display device, a sound producing control method, a method and device for determining parameters. The display device includes a plurality of exciters arranged on the display panel, the display panel producing sound on a screen through the plurality of exciters; wherein, the plurality of the exciters are formed as at least one sound producing unit, each sound producing unit includes at least two exciters, and each exciter in the same sound producing unit is connected to a same audio signal input end, in one sound producing unit, a signal filter is provided on an audio transmission line from the audio signal input end to at least one exciter, and used for low frequency compensation of a sound produced by the entire sound producing unit.
    Type: Application
    Filed: February 7, 2021
    Publication date: May 18, 2023
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui XI, Xiaomang ZHANG, Wenchao HAN, Yaqian JI, Wei SUN, Minglei CHU, Xiangjun PENG, Tiankuo SHI, Zhihua JI, Yan SUN, Yifan HOU, Chenxi ZHAO, Shuo ZHANG
  • Patent number: 11647349
    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: Grant
    Filed: September 24, 2021
    Date of Patent: May 9, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui Xi, Xiaomang Zhang, Zhihua Ji, Tiankuo Shi, Yan Sun, Shuo Zhang, Xiangjun Peng, Yifan Hou, Chenxi Zhao, Minglei Chu
  • Patent number: 11615509
    Abstract: The present disclosure provides a picture processing method and device, including: an integrated circuit chip IC receiving a to-be-processed picture sent by a graphics processor GPU; the IC pre-processing the to-be-processed picture; the IC performing counter-distortion process on the pre-processed picture; and the IC outputting the picture which is subjected to the counter-distortion process for display.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: March 28, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo Gao, Yue Li, Tiankuo Shi, Yafei Li, Wei Sun, Zhihua Ji, Jinxing Liu, Zijiao Xue, Xiangyi Chen
  • Publication number: 20230088891
    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.
    Type: Application
    Filed: August 5, 2021
    Publication date: March 23, 2023
    Inventors: Shuo Zhang, Yanhui Xi, Tiankuo Shi, Xiaomang Zhang, Zhihua Ji, Yan Sun, Chenxi Zhao, Xiangjun Peng, Yifan Hou, Minglei Chu
  • Publication number: 20230088530
    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.
    Type: Application
    Filed: May 21, 2021
    Publication date: March 23, 2023
    Inventors: 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
  • Publication number: 20230075878
    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: Application
    Filed: April 27, 2021
    Publication date: March 9, 2023
    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
  • Publication number: 20220398981
    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: Application
    Filed: December 22, 2020
    Publication date: December 15, 2022
    Inventors: Tiankuo SHI, Wei SUN, Yifan HOU, Zhihua JI, Xiaomang ZHANG, Rui LIU, Jigang SUN, Yuxin BI, Xue DONG
  • Patent number: 11521564
    Abstract: 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.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: December 6, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: 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
  • 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
  • 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
  • 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: 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: 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: 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