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).

  • Patent number: 10878530
    Abstract: The present disclosure provides a display method and a display device. The method includes: determining a rendering speed in a scene rendering; deciding whether to start an Asynchronous Time Warp (ATW) thread according to the rendering speed; when deciding not to start the ATW thread in a process of displaying a frame of picture, using a rendering thread to obtain first scene data and, after determining that rendering of the first scene data is completed, executing the rendering thread to modify the first scene data to obtain first modified scene data; and performing a display according to the first modified scene data.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: December 29, 2020
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingwen Fan, Wenyu Li, Yukun Sun, Jinghua Miao, Lixin Wang, Bin Zhao, Xi Li, Jianwen Suo, Xuefeng Wang, Jinbao Peng, Zhifu Li, Hao Zhang, Lili Chen
  • Publication number: 20200348533
    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: Application
    Filed: May 28, 2019
    Publication date: November 5, 2020
    Inventors: Wenyu Li, Yukun Sun, Yali Liu, Hao Zhang, Lili Chen, Jinghua Miao, Xuefeng Wang, Bin Zhao, Lixin Wang, Xi Li, Jianwen Suo, Qingwen Fan, Jinbao Peng
  • Publication number: 20200342805
    Abstract: The present disclosure provides a display panel and device, an image processing method and device, and a virtual reality system. The display panel includes: a first display area; and at least one second display area surrounding the first display area, a number of sub-pixels per unit area in the first display area being greater than a number of sub-pixels per unit area in the at least one second display area.
    Type: Application
    Filed: December 24, 2019
    Publication date: October 29, 2020
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xi LI, Yuanjie LU, Jinghua MIAO, Bin ZHAO, Xuefeng WANG, Yukun SUN, Jianwen SUO, Qingwen FAN, Wenyu LI, Jinbao PENG, Zhifu LI, Lili CHEN, Jiankang SUN
  • Publication number: 20200342818
    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: Application
    Filed: July 14, 2020
    Publication date: October 29, 2020
    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
  • Publication number: 20200302573
    Abstract: Disclosed are a display method, a display device, a virtual reality display device, a virtual reality device, and a storage medium. The display method includes: segmenting one frame of image into at least one image region; determining grayscale information of the image region; determining a resolution compression ratio of the image region according to the grayscale information of the image region, wherein a grayscale level of the image region is negatively correlated with the resolution compression ratio; and displaying an image in the image region according to the resolution compression ratio of each image region.
    Type: Application
    Filed: November 12, 2019
    Publication date: September 24, 2020
    Inventors: Bingxin Liu, Ziqiang Guo, Jian Sun, Feng Zi, Binhua Sun, Lin Lin, Yakun Wang, Jiyang Shao, Yadong Ding, Qingwen Fan
  • Patent number: 10768879
    Abstract: An image processing method. The method includes determining a first mapping relationship between first coordinates in a first coordinate system of a Multi-Resolution-Shading image and second coordinates in a second coordinate system of a Multi-Resolution-Shading screen image; and applying an anti-distortion process to the Multi-Resolution-Shading image based on the first mapping relationship, thereby obtaining an anti-distortion image.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: September 8, 2020
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Yukun Sun, Hao Zhang, Lili Chen, Jinghua Miao, Xuefeng Wang, Wenyu Li, Bin Zhao, Xi Li, Lixin Wang, Jianwen Suo, Jinbao Peng, Qingwen Fan, Yali Liu, Yu Lei, Yakun Wang
  • Publication number: 20200279533
    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: Application
    Filed: August 28, 2019
    Publication date: September 3, 2020
    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: 20200265587
    Abstract: An image processing method according to some embodiments of the present disclosure includes: obtaining rendering durations of images of M frames; determining whether the rendering durations of the images of the M frames match a motion gesture requirement; if yes, controlling a difference ?t between a rendering start timing of the image of each frame and a warp processing start timing of the image of a corresponding frame to be less than or equal to a preset difference ?taim; otherwise, setting a system frame rate to make the rendering duration of the image of each frame match the motion gesture requirement.
    Type: Application
    Filed: August 12, 2019
    Publication date: August 20, 2020
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingwen FAN, Bin ZHAO, Yukun SUN, Jinghua MIAO, Xuefeng WANG, Wenyu LI, Jinbao PENG, Jianwen SUO, Xi LI, Zhifu LI, Lili CHEN, Hao ZHANG
  • Publication number: 20200237221
    Abstract: A wearable device, a signal processing method and a signal processing device are disclosed. The wearable device includes a processor and a signal collector electrically connected to the processor. The signal collector includes at least one electroencephalogram sensor configured to collect an electroencephalogram signal and at least one electrooculogram sensor configured to collect an electrooculogram signal. The processor is configured to generate a control signal based on the electroencephalogram signal and the electrooculogram signal, and the electroencephalogram sensor and the electrooculogram sensor are different sensors.
    Type: Application
    Filed: August 23, 2019
    Publication date: July 30, 2020
    Inventors: Huidong He, Hao Zhang, Lili Chen, Yu Lei, Peng Han, Yuanjie Lu, Yukun Sun, Qingwen Fan, Shuo Zhang, Yachong Xue
  • Publication number: 20200243026
    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: Application
    Filed: August 28, 2019
    Publication date: July 30, 2020
    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
  • Publication number: 20200167896
    Abstract: This disclosure relates to an image processing method and device, a display device, and a virtual reality display system. The image processing method includes: rendering a first image from a gaze region of a user and a second image from other regions in different frames respectively, to obtain a first image frame and a second image frame accordingly, wherein the first image frame has a resolution higher than that of the second image frame; and transmitting one of the first image frame and the second image frame.
    Type: Application
    Filed: July 17, 2019
    Publication date: May 28, 2020
    Inventors: Wenyu LI, Yukun SUN, Jinghua MIAO, Xuefeng WANG, Jinbao PENG, Zhifu LI, Bin ZHAO, Xi LI, Qingwen FAN, Jianwen SUO, Yali LIU, Lili CHEN, Hao ZHANG
  • Publication number: 20200159037
    Abstract: A VR head-mounted display device, a VR display method and a VR display system are provided, including: a first convex lens and a second convex lens, a first polarizer and a second polarizer respectively disposed between the two convex lenses and two eyes of a user of the VR head-mounted display device, and a display screen. The display screen simultaneously outputs a first display image having a first polarization direction and a second display image having a second polarization direction, the first polarization direction being orthogonal to the second polarization direction; the first polarizer having a first polarization direction and the second polarizer having a second polarization direction.
    Type: Application
    Filed: March 18, 2019
    Publication date: May 21, 2020
    Inventors: Wenyu LI, Hao ZHANG, Lili CHEN, Yali LIU, Yukun SUN, Jinghua MIAO, Xuefeng WANG, Jinbao PENG, Bin ZHAO, Xi LI, Lixin WANG, Jianwen SUO, Qingwen FAN
  • Publication number: 20200118256
    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: Application
    Filed: January 2, 2019
    Publication date: April 16, 2020
    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: 20200105050
    Abstract: The present disclosure provides a display method and a display device. The method includes: determining a rendering speed in a scene rendering; deciding whether to start an Asynchronous Time Warp (ATW) thread according to the rendering speed; when deciding not to start the ATW thread in a process of displaying a frame of picture, using a rendering thread to obtain first scene data and, after determining that rendering of the first scene data is completed, executing the rendering thread to modify the first scene data to obtain first modified scene data; and performing a display according to the first modified scene data.
    Type: Application
    Filed: June 21, 2019
    Publication date: April 2, 2020
    Inventors: Qingwen FAN, Wenyu Li, Yukun Sun, Jinghua Miao, Lixin Wang, Bin Zhao, Xi Li, Jianwen Suo, Xuefeng Wang, Jinbao Peng, Zhifu Li, Hao Zhang, Lili Chen
  • Publication number: 20200098183
    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: Application
    Filed: April 15, 2019
    Publication date: March 26, 2020
    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
  • Publication number: 20200051512
    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: May 1, 2019
    Publication date: February 13, 2020
    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: 20200004692
    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: Application
    Filed: April 23, 2019
    Publication date: January 2, 2020
    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: 20190278548
    Abstract: An image processing method. The method includes determining a first mapping relationship between first coordinates in a first coordinate system of a Multi-Resolution-Shading image and second coordinates in a second coordinate system of a Multi-Resolution-Shading screen image; and applying an anti-distortion process to the Multi-Resolution-Shading image based on the first mapping relationship, thereby obtaining an anti-distortion image.
    Type: Application
    Filed: November 26, 2018
    Publication date: September 12, 2019
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Yukun Sun, Hao Zhang, Lili Chen, Jinghua Miao, Xuefeng Wang, Wenyu Li, Bin Zhao, Qiao Li, Lixin Wang, Jianwen Suo, Jinbao Peng, Qingwen Fan, Yali Liu, Yu Lei, Yakun Wang