Patents by Inventor Qingwen Fan

Qingwen Fan 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: 20210333870
    Abstract: An image rendering method, device, and system, a storage medium, and an image display method are provided. The image rendering method includes: acquiring an image to be displayed; according to a gaze point of human eyes on a display screen, obtaining a gaze point position on the image to be displayed; determining, according to the gaze point position, a first sampling area and a second sampling area of the image to be displayed; performing first resolution sampling on the first sampling area to obtain a first display area; performing second resolution sampling on the image to be displayed to obtain a second display area corresponding to the second sampling area, a resolution of the second sampling area being greater than that of the second display area; and splicing the first display area and the second display area to obtain an output image to be transmitted to the virtual reality device.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 28, 2021
    Inventors: Xuefeng WANG, Yukun SUN, Jinghua MIAO, Lili CHEN, Hao ZHANG, Bin ZHAO, Lixin WANG, Xi LI, Jianwen SUO, Wenyu LI, Jinbao PENG, Qingwen FAN, Yuanjie LU, Chenru WANG, Yali LIU, Jiankang SUN
  • Patent number: 11145265
    Abstract: Embodiments of the present disclosure provide a method for driving a display device to display an image sequence and a display device therefor. The display device includes a backlight module having a plurality of backlight partitions. The image sequence includes at least a first frame image and a second frame image. The method includes determining a first region in the first frame image and a second region in the second frame image that correspond to an overlapping portion of the first frame image and second frame image as overlapping regions; obtaining, based at least partially on a first backlight value of a first backlight partition(s) corresponding to the first region, a second backlight value of a second backlight partition corresponding to the second region; and controlling a backlight brightness of the second backlight partition based on the second backlight value when the display device displays the second frame image.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: October 12, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yukun Sun, Wenyu Li, Zhifu Li, Mingyang Yan, Qingwen Fan, Jinghua Miao, Huidong He, Shuo Zhang, Lili Chen, Hao Zhang
  • Patent number: 11137619
    Abstract: A display device for virtual reality, a viewing device for virtual reality and a head-mounted display apparatus are provided. The display apparatus includes: a display panel; a first polarizer which is disposed on a first surface of the display panel and includes a plurality of first regions and a plurality of second regions, the plurality of first regions and the plurality of second regions being alternately distributed in a first direction, wherein a polarization direction of each of the plurality of first regions is perpendicular to a polarization direction of each of the plurality of second regions.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: October 5, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenyu Li, Yukun Sun, Yali Liu, Hao Zhang, Lili Chen, Jinghua Miao, Xuefeng Wang, Xi Li, Bin Zhao, Lixin Wang, Jianwen Suo, Qingwen Fan, Jinbao Peng
  • Patent number: 11127126
    Abstract: Disclosed is an image processing method, including: determining coordinate values of one or more target pixels in an image, wherein the target pixels are used for dividing the image; carrying out a mapping operation on the coordinate values of the one or more target pixels to obtain first pixel data; reading the image to obtain second pixel data; and combining the first pixel data and the second pixel data to obtain a combined image.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: September 21, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xi Li, Hao Zhang, Lili Chen, Yukun Sun, Jinghua Miao, Xuefeng Wang, Jinbao Peng, Bin Zhao, Jianwen Suo, Lixin Wang, Qingwen Fan, Wenyu Li, Yuanjie Lu
  • Patent number: 11113886
    Abstract: The present disclosure proposes a dual-screen display method for eliminating AR/VR picture tearing and an AR/VR display device, each single screen in a dual-screen for the dual-screen display method being divided into a first half-screen and a second half-screen respectively. The method includes: performing rendering and scanning in parallel for the first half-screen and the second half-screen in unit of half a frame. A start time of scanning the second half-screen is adjusted to eliminate a picture tearing phenomenon.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: September 7, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bin Zhao, Lixin Wang, Xi Li, Jianwen Suo, Qingwen Fan, Jinbao Peng, Ruifeng Qin, Yuanjie Lu, Jinghua Miao, Yukun Sun, Xuefeng Wang, Wenyu Li, Lili Chen, Hao Zhang
  • Patent number: 11114038
    Abstract: A display apparatus includes a data driver and a light valve controller. The data driver is configured to continuously provide K display signals, all of which include a same set of image data, to a display panel. K is an integer greater than or equal to 2. The light valve controller is configured to provide a turn-off signal to a light valve whenever the data driver provides one of first T or odd-numbered display signals in the K display signals, and provide a turn-on signal to the light valve whenever the data driver provides one of last (K?T) or even-numbered display signals in the K display signals. T is an integer greater than 0 and less than K, and (K?T) refers to a difference between K and T.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: September 7, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bin Zhao, Xi Li, Jinghua Miao, Lili Chen, Qingwen Fan, Jianwen Suo, Yukun Sun, Xuefeng Wang, Jinbao Peng, Wenyu Li, Zhifu Li, Minglei Chu
  • Patent number: 11113799
    Abstract: A display method and a display device are provided. The display method may be applied to a display device having a lens unit and a display unit for normal display, and may include steps of: detecting a first distance between the lens unit and the display unit; calculating correction information according to the first distance and transmitting the correction information to the display unit; and displaying a corrected image by the display unit according to the correction information, so that the corrected image is converged into eyes of a user via the lens unit, wherein the corrected image is obtained by correcting an original image according to the first distance.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: September 7, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yukun Sun, Xuefeng Wang, Jinghua Miao, Wenyu Li, Jinbao Peng, Bin Zhao, Lixin Wang, Xi Li, Qingwen Fan, Jianwen Suo, Yali Liu, Yu Lei, Yakun Wang, Hao Zhang, Lili Chen
  • Publication number: 20210264872
    Abstract: A compensation method for VR display, a compensation device for VR display, and a display device are provided. The compensation method for VR display includes: calculating a first synchronization signal value to be output by a controller according to a rendering resolution, a rendering frame rate and bandwidth data of a display panel; comparing the first synchronization signal value with a pre-stored second synchronization signal value of the display panel; generating compensation image data between two adjacent frames of original image data in a case where a comparison result shows that the first synchronization signal value is greater than the second synchronization signal value; and compensating an image to be displayed according to generated compensation image data.
    Type: Application
    Filed: December 25, 2019
    Publication date: August 26, 2021
    Inventors: Jianwen SUO, Jingtao XU, Xuefeng WANG, Wenyu LI, Jinghua MIAO, Yakun WANG, Jinbao PENG, Bin ZHAO, Zhifu LI, Xi LI, Qingwen FAN, Yukun SUN, Hao ZHANG, Lili CHEN
  • Publication number: 20210248966
    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: Application
    Filed: April 27, 2021
    Publication date: August 12, 2021
    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
  • Patent number: 11086792
    Abstract: This disclosure provides a cache replacing method applied to a heterogeneous multi-core system, the method including: determining whether a first application currently running is an application running on the GPU; when it is determined that the first application currently running is an application running on the GPU, determining a cache priority of first data accessed by the first application according to a performance parameter of the first application, the cache priority of the first data including a priority other than a predefined highest cache priority; and caching the first data into a cache queue of the shared cache according to a predetermined cache replacement algorithm and the cache priority of the first data, and replacing data in the cache queue.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: August 10, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingwen Fan, Jinghua Miao, Hao Zhang, Lili Chen, Lixin Wang, Bin Zhao, Yukun Sun, Xuefeng Wang, Xi Li, Wenyu Li, Jinbao Peng, Jianwen Suo
  • Publication number: 20210227190
    Abstract: An image processing method is disclosed. The image processing method may include: partitioning an original gridded image to obtain a plurality of regional grid images, wherein the regional grid images are distributed along a direction away from a geometric center of the original gridded image (S300); and adjusting grid vertices of the regional grid images based on anti-distortion parameters to obtain a plurality of regional correction grid images forming a grid correction image (S400). A grid density of each of the regional correction grid images may be smaller than or equal to a grid density of a corresponding regional grid image, and the grid density of each of the plurality of the regional correction grid images may gradually increase along the direction away from the geometric center of the original gridded image.
    Type: Application
    Filed: December 13, 2019
    Publication date: July 22, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingwen Fan, Yukun Sun, Bin Zhao, Jinghua Miao, Xi Li, Lili Chen, Hao Zhang, Jinbao Peng, Xuefeng Wang, Jianwen Suo, Wenyu Li, Zhifu Li, Shuo Zhang, Huidong He
  • Patent number: 11030964
    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: May 1, 2019
    Date of Patent: June 8, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP 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: 20210158481
    Abstract: An image processing method is provided, the method includes: performing area division on an input image to obtain a plurality of sub-images; determining a part of the plurality of sub-images as an image to be output; stitching respective sub-images of the image to be output to obtain a stitched image; and transmitting the stitched image, wherein the stitched image is smaller than the input image. An image jointing method is provided, the method includes: receiving a stitched image obtained by the image processing method according to the present disclosure; extracting respective sub-images of an image to be output from the stitched image; and jointing the respective sub-images to obtain a display image, wherein the jointing the respective sub-images refers to obtaining the display image by an operation inverse to a stitching process of stitching the respective sub-images to obtain the stitched image.
    Type: Application
    Filed: March 13, 2019
    Publication date: May 27, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuefeng WANG, Yukun SUN, Hao ZHANG, Lili CHEN, Jinghua MIAO, Bin ZHAO, Xi LI, Lixin WANG, Jianwen SUO, Wenyu LI, Jinbao PENG, Qingwen FAN, Yuanjie LU, Yali LIU, Chenru WANG, Jiankang SUN
  • Patent number: 10997929
    Abstract: A display scene processing method and a display scene processing device and a storage medium thereof are disclosed. The display scene processing method includes the following steps: obtaining a vertical synchronization signal; executing a rendering thread to render a first half-screen scene data and a second half-screen scene data based on the vertical synchronization signal; executing an asynchronous time warping thread to correct the rendered first half-screen scene data and the rendered second half-screen scene data to obtain first half-screen scene correction data and second half-screen scene correction data.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: May 4, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingwen Fan, Yukun Sun, Jinghua Miao, Wenyu Li, Xuefeng Wang, Bin Zhao, Jianwen Suo, Jinbao Peng, Xi Li, Zhifu Li, Lili Chen, Hao Zhang
  • Publication number: 20210124547
    Abstract: The embodiments of the present disclosure provide an AR display device and method. The device includes a terminal and an AR wearable device. The terminal is configured to: configure the AR wearable device as an extended display device of the terminal to put the AR wearable device and a display screen of the terminal in a dual-screen heterogeneous display mode; and transmit image data to the AR wearable device to allow the AR wearable device to display the image data.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 29, 2021
    Inventors: Qingwen Fan, Jinghua Miao, Xuefeng Wang, Shuai Hao, Shuo Zhang, Huidong He, Hao Zhang, Lili Chen
  • Publication number: 20210118109
    Abstract: Disclosed is an image processing method, including: determining coordinate values of one or more target pixels in an image, wherein the target pixels are used for dividing the image; carrying out a mapping operation on the coordinate values of the one or more target pixels to obtain first pixel data; reading the image to obtain second pixel data; and combining the first pixel data and the second pixel data to obtain a combined image.
    Type: Application
    Filed: March 13, 2019
    Publication date: April 22, 2021
    Inventors: Xi LI, Hao ZHANG, Lili CHEN, Yukun SUN, Jinghua MIAO, Xuefeng WANG, Jinbao PENG, Bin ZHAO, Jianwen SUO, Lixin WANG, Qingwen FAN, Wenyu LI, Yuanjie LU
  • Publication number: 20210097945
    Abstract: Embodiments of the present disclosure provide a method for driving a display device to display an image sequence and a display device therefor. The display device includes a backlight module having a plurality of backlight partitions. The image sequence includes at least a first frame image and a second frame image. The method includes determining a first region in the first frame image and a second region in the second frame image that correspond to an overlapping portion of the first frame image and second frame image as overlapping regions; obtaining, based at least partially on a first backlight value of a first backlight partition(s) corresponding to the first region, a second backlight value of a second backlight partition corresponding to the second region; and controlling a backlight brightness of the second backlight partition based on the second backlight value when the display device displays the second frame image.
    Type: Application
    Filed: March 20, 2020
    Publication date: April 1, 2021
    Inventors: Yukun SUN, Wenyu LI, Zhifu LI, Mingyang YAN, Qingwen FAN, Jinghua MIAO, Huidong HE, Shuo ZHANG, Lili CHEN, Hao ZHANG
  • Publication number: 20210092339
    Abstract: Embodiments of the present disclosure relate to a method for analyzing an imaging quality of an imaging system. The imaging system comprises a spatial light modulator. The spatial light modulator comprises pixel units arranged in an array. The method comprises obtaining a transmittance distribution function of the spatial light modulator based on a structural parameter of the pixel unit, wherein the structural parameter is an aperture ratio. The imaging quality analysis parameter of the imaging system is obtained based on the transmittance distribution function of the spatial light modulator. Then, the imaging quality of the imaging system is analyzed based on the imaging quality analysis parameter.
    Type: Application
    Filed: April 30, 2020
    Publication date: March 25, 2021
    Inventors: Shuo ZHANG, Hao ZHANG, Lili CHEN, Hongzhen XUE, Minglei CHU, Guixin YAN, Yukun SUN, Chenxi ZHAO, Zehua DONG, Xiangjun PENG, Yaoyu LV, Yachong XUE, Huidong HE, Qingwen FAN
  • Publication number: 20210058612
    Abstract: Disclosed are a virtual reality display method, a device, a system, and a storage medium. The method is applicable to a terminal in the virtual reality display system which includes a virtual reality device and a terminal. The method includes: rendering a first virtual reality image at a first rendering resolution to acquire a first rendered image; sending the first rendered image to the virtual reality device; rendering a second virtual reality image at a second rendering resolution to acquire a second rendered image; and sending the second rendered image to the virtual reality device, wherein the first rendering resolution is less than the second rendering resolution, and the first and the second virtual reality images are two adjacent frames of images.
    Type: Application
    Filed: July 24, 2020
    Publication date: February 25, 2021
    Inventors: Yukun Sun, Shuo Zhang, Jinghua Miao, Wenyu Li, Zhifu Li, Mingyang Yan, Qingwen Fan, Huidong He, Hao Zhang, Lili Chen
  • Patent number: 10923051
    Abstract: A method for backlight black frame insertion optimization includes: acquiring a current display mode of the wearable smart device; acquiring a current motion state of the wearable smart device; and generating a control signal according to the current display mode and the current motion state to adjust backlight black frame insertion of the wearable smart device.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: February 16, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xi Li, Yuanjie Lu, Jinghua Miao, Bin Zhao, Wenyu Li, Xuefeng Wang, Yukun Sun, Jinbao Peng, Zhifu Li, Qingwen Fan, Jianwen Suo, Hao Zhang, Lili Chen, Jiankang Sun, Lixin Wang, Ziqiang Guo