Patents by Inventor Yifan HOU

Yifan HOU 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: 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
  • Publication number: 20240046836
    Abstract: An image processing method and apparatus, an electronic device and a storage medium are provided. The method includes: obtaining an original image, and for each of pixels in the original image, converting first color data of the pixel into second color data corresponding to a set color space (S12); calculating a feature weighted value of the pixel according to the second color data and a preset rule (S14); and determining a uniformity of the pixels based on the feature weighted values to mark the pixels (S16).
    Type: Application
    Filed: December 11, 2020
    Publication date: February 8, 2024
    Inventors: Xiangjun PENG, Tiankuo SHI, Chenxi ZHAO, Yifan HOU, Shuo ZHANG, Yan SUN, Zhihua JI, Yanhui XI, Wei SUN, Xin DUAN
  • 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
  • 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
  • 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
  • Patent number: 11710438
    Abstract: A display data processing method of a display device, a display device, an electronic device, and a storage medium are disclosed. The display data processing method includes: in response to a frequency of the dimming screen being consistent with a frequency of the display screen: determining a first gray-scale value of the first dimming pixel according to a plurality of input gray-scale values in an input image; determining a second gray-scale value of the first dimming pixel according to the first gray-scale value and a noise reduction function, where the noise reduction function is a monotonically increasing function in an interval (0, 1); obtaining a dimming gray-scale value of the first dimming pixel based on the second gray-scale value; and determining a plurality of target gray-scale values corresponding to the plurality of first display pixels according to the plurality of input gray-scale values and the dimming gray-scale value.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 25, 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, Yifang Chu, Lingyun Shi
  • 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
  • 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: 20230074524
    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: Application
    Filed: August 12, 2021
    Publication date: March 9, 2023
    Inventors: Xiangjun PENG, Tiankuo SHI, Chenxi ZHAO, Yifan HOU, Xiaomang ZHANG, Wei SUN, Shuo ZHANG, Yan SUN
  • Publication number: 20230049237
    Abstract: Provided are a method, apparatus and device for compensating a display screen and a display screen driver board, which belong to the technical field of display.
    Type: Application
    Filed: August 5, 2021
    Publication date: February 16, 2023
    Inventors: Tiankuo SHI, Yifan HOU, Xiangjun PENG, Chenxi ZHAO, Xiaomang ZHANG, Minglei CHU, Xin DUAN, Wei SUN, Ming CHEN, Lingyun SHI
  • 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
  • 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
  • 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