Patents by Inventor Yafei LI

Yafei LI 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: 20210166645
    Abstract: The present disclosure provides a display panel, a method of driving the display panel and a display device. Each signal input sub-circuitry of the display panel includes at least two transistors. A same control signal is applied to control signal lines corresponding to a same signal input sub-circuitry, different control signals are applied to control signal lines corresponding to different signal input sub-circuitries, and time periods within which the different control signals are at active levels are staggered from each other. A sum of width-to-length ratios of channels of the at least two transistors is equal to a first predetermined value, and an overlapping area of the gate electrode of each of the at least two transistors relative to an active layer of the transistor is smaller than a second predetermined value in a direction perpendicular to a base substrate of the display panel.
    Type: Application
    Filed: April 16, 2020
    Publication date: June 3, 2021
    Applicants: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lei LI, Jun FAN, Le TA, Yusheng LIU, Yongqiang ZHANG, Mei LI, Yafei LI, Peng LIU, Zhixuan GUO
  • Publication number: 20210159868
    Abstract: System and methods for a hollow-disk radial-contour mode resonator structure. The hollow disk reduces the dynamic mass and stiffness of the structure. Since electromechanical coupling Cx/Co goes as the reciprocal of mass and stiffness, the hollow disk structure has a considerably stronger electromechanical coupling than a solid one at the same frequency, and thus raises Cx/Co without excessive gap-scaling. Several embodiments of hollow disk resonators are detailed, including asymmetric and symmetric disk configurations.
    Type: Application
    Filed: November 13, 2020
    Publication date: May 27, 2021
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Clark T.-C. Nguyen, Yafei Li, Alper Ozgurluk
  • Publication number: 20210160785
    Abstract: A power control method, including receiving indication information, where the indication information indicates a power control parameter specific to a bandwidth part, and sending uplink information on the bandwidth part by using a transmit power, where the transmit power is based on the power control parameter specific to the bandwidth part and is further based on a common power control parameter of a carrier in which the bandwidth part is disposed.
    Type: Application
    Filed: January 29, 2021
    Publication date: May 27, 2021
    Inventors: Junchao Li, Yafei Wang, Hao Tang, Zhenfei Tang
  • Patent number: 11004382
    Abstract: A backlight source and a manufacture method thereof, a display device are provided. The backlight source includes a base substrate, the base substrate is divided into a plurality of light emitting regions, and at least one of the plurality of light emitting regions comprises a plurality of light emitting elements, a first common polar line, and a second common polar line. Light emitting brightness of at least one of the light emitting regions is adjustable independently.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: May 11, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yafei Li, Bo Gao, Pei Li, Guangquan Wang, Haiwei Sun, Ming Chen, Xue Dong, Wenjia Sun, Jinxing Liu
  • Patent number: 10990673
    Abstract: A method protects a daemon in an operating system of a host computer. The operating system detects that there is an access of a plist file of a daemon by a process in the computer. If so, then it executes a callback function registered for the plist file. The callback function sends to a kernel extension a notification of the attempted access. The kernel extension returns a value to the operating system indicating that the access should be denied. The operating system denies access to the plist file of the daemon by the process. The extension may also notify an application which prompts the user for instruction. The kernel extension also protects itself by executing its exit function when a command is given to unload the extension, and the exit function determines whether or not the command is invoked by an authorized application, such as by checking a flag.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: April 27, 2021
    Assignee: TREND MICRO INC.
    Inventors: Chuan Jiang, Xilin Li, Yafei Zhang
  • Patent number: 10949042
    Abstract: The present disclosure discloses an array substrate and a display apparatus. The array substrate includes a touch electrode, wherein the touch electrode comprises a plurality of first sensing electrodes arranged in a first direction and a plurality of second sensing electrodes arranged in a second direction, each of the first sensing electrodes comprises an electrode strip, the electrode strip comprises a plurality of electrode blocks arranged in the second direction, each of the second sensing electrodes comprises a plurality of holes, the electrode blocks correspond to the holes in one to one correspondence, and projections of the electrode blocks in a direction perpendicular to a surface of the substrate are located in the corresponding holes.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: March 16, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Bo Gao, Jinxing Liu, Ming Chen, Xue Dong, Wenjia Sun, Yafei Li, Wenchao Han
  • Patent number: 10937379
    Abstract: A display device and a driving method thereof are disclosed. The display device includes a display panel, a processor and a driver; the driver includes a buffer; time for displaying one frame image includes display time and black insertion time. The driving method of the display device includes: outputting data for displaying one frame image which includes first subdata by the processor, and transmitting the first subdata to the buffer by the processor within the display time; and bufferring the first subdata by the buffer within the display time, and transmitting the first subdata to the display panel by the buffer within the black insertion time.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: March 2, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yafei Li, Bo Gao, Xiurong Wang, Wei Sun, Hao Zhang
  • Publication number: 20210056918
    Abstract: Embodiments of the present disclosure provide a method for driving a display panel, a driving device for driving a display panel and a display device. The display panel includes a first display region and a second display region each including first color sub-pixel units. The method includes obtaining a respective target grayscale of each of the first color sub-pixel units, obtaining a respective first gamma voltage of each of the first color sub-pixel units in the first display region based on the respective target grayscale, and providing the respective first gamma voltage to each of the first color sub-pixel units in the first display region, and obtaining a respective second gamma voltage of the first color sub-pixel unit in the second display region based on the respective target grayscale, and providing the respective second gamma voltage to each of the first color sub-pixel units in the second display region.
    Type: Application
    Filed: April 6, 2020
    Publication date: February 25, 2021
    Inventors: YAFEI LI, ZIJIAO XUE, XIAOJING WANG, SHIJIE ZHU, LUKANG LI, LINGYUN SHI, XIN DUAN
  • Patent number: 10923075
    Abstract: A method of displaying an image, a display device, an electronic device and a computer readable storage medium are disclosed. The method may comprise: acquiring an image to be displayed, the image comprising a plurality of layers; superimposing first image information of pixels in each of the plurality of layers, so as to obtain second image information of pixels in an overlaid layer image; arranging the second image information based on a plurality of colors, so as to obtain third image information comprising a plurality of portions; and displaying each portion having the same color sequentially in a preset order of the plurality of colors.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: February 16, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiurong Wang, Lingyun Shi, Yafei Li, Wenhao Liu, Tao Yang
  • Publication number: 20210037812
    Abstract: A DSC (Differential Scanning calorimetry) electrode system capable of applying an electric field includes a differential scanning calorimeter, a computer, a signal generator, a self-pressurization liquid nitrogen tank and a reference crucible, wherein the self-pressurization liquid nitrogen tank is connected to the differential scanning calorimeter and used for controlling temperature in real time; the differential scanning calorimeter is connected to the computer and used for transmitting signals and recording experiment results. The DSC electrode system also includes a microelectrode crucible that includes a ceramic crucible, a ceramic crucible cover, welding spots, two electrodes and electrode wires, wherein the two electrodes are respectively fixed in the ceramic crucible; a gap is reserved between the electrodes and used for storing a tested sample; the welding spots are reserved at upper ends of the electrodes.
    Type: Application
    Filed: August 10, 2020
    Publication date: February 11, 2021
    Inventors: Lisheng Zhong, Xiaoyuan Song, Jinghui Gao, Qinxue Yu, Lin Liu, Jiaxi He, Yafei Li
  • Patent number: 10884489
    Abstract: The present disclosure provides a processing circuit of a display panel, a display method and a display device. The processing circuit includes: a line-of-sight acquisition module configured to track an eyeball of each eye, to determine a concern region of line of sight on the display panel and a region other than the concern region; a control module configured to acquire original image data of an image to be displayed on the display panel, subject first original image data corresponding to the concern region and/or second original image data corresponding to the other region to treatment, and output first image generation data corresponding to the concern region and second image generation data corresponding to the other region and having a resolution smaller than the first image generation data; and a display signal output module configured to output a display signal to the display panel in accordance with the first image generation data and the second image generation data.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: January 5, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tiankuo Shi, Xue Dong, Dong Chen, Xiaomang Zhang, Wei Sun, Hao Zhang, Lingyun Shi, Xiaobo Xie, Zijiao Xue, Bo Gao, Yafei Li, Jinxing Liu, Yan Li, Yue Li, Xiangyi Chen, Shuaishuai Xu, Xiaochuan Chen, Shengji Yang
  • Patent number: 10884561
    Abstract: The disclosure discloses a touch substrate, a method thereof for positioning a touch, and a capacitive touch screen, and the touch substrate includes a base substrate and a plurality of separate touch electrodes arranged in a single layer on the base substrate, where the touch electrodes include first touch electrodes and second touch electrodes, arranged alternately in both a first direction and a second direction, and respective first touch electrodes in each of at least one row or column of the touch electrodes are connected through one same wire, or respective second touch electrodes in each of at least one row or column of the touch electrodes are connected through one same wire.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: January 5, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinxing Liu, Bo Gao, Bo Liu, Yafei Li, Wenjia Sun, Wenchao Han, Xiaoyang Shen, Meiling Jin
  • Patent number: 10878761
    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 display panel and a backlight unit which includes a plurality of backlight blocks and is driven in a local dimming mode. The method includes: determining a first display area and a second display area of the display panel; obtaining backlight values of the backlight blocks, and calculating compensated display data of respective pixels corresponding to the backlight blocks based on the backlight values of the backlight blocks; and adjusting compensated display data of at least one first pixel comprised in the first display area to obtain adjusted display data of the at least one first pixel. A display resolution of the first display area is larger than a display resolution of the second display area.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: December 29, 2020
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhihua Ji, Wenyu Li, Tiankuo Shi, Yafei Li, Yue Li, Yifan Hou
  • Publication number: 20200302885
    Abstract: A display device and a driving method thereof are disclosed. The display device includes a display panel, a processor and a driver; the driver includes a buffer; time for displaying one frame image includes display time and black insertion time. The driving method of the display device includes: outputting data for displaying one frame image which includes first subdata by the processor, and transmitting the first subdata to the buffer by the processor within the display time; and bufferring the first subdata by the buffer within the display time, and transmitting the first subdata to the display panel by the buffer within the black insertion time.
    Type: Application
    Filed: December 8, 2017
    Publication date: September 24, 2020
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yafei LI, Bo GAO, Xiurong WANG, Wei SUN, Hao ZHANG
  • Publication number: 20200294433
    Abstract: A display driving control circuit, a display panel, and a driving control method are disclosed. A driving control sub-circuit in the display driving control circuit includes a first data selection sub-circuit, a second data selection sub-circuit, a third data selection sub-circuit, and a fourth data selection circuit. The first data selection sub-circuit, the second data selection sub-circuit, the third data selection sub-circuit, and the fourth data selection circuit are electrically connected to a first selection signal line respectively. The first data selection sub-circuit and the third data selection sub-circuit are electrically connected to a first data channel signal line, and the second data selection sub-circuit and the fourth data selection sub-circuit are electrically connected to a second data channel signal line.
    Type: Application
    Filed: September 19, 2019
    Publication date: September 17, 2020
    Inventors: Yafei Li, Zijiao Xue, Lukang Li, Xiaojing Wang, Xin Duan, Lingyun Shi, Xiurong Wang
  • Publication number: 20200286445
    Abstract: A method of displaying an image, a display device, an electronic device and a computer readable storage medium are disclosed. The method may comprise: acquiring an image to be displayed, the image comprising a plurality of layers; superimposing first image information of pixels in each of the plurality of layers, so as to obtain second image information of pixels in an overlaid layer image; arranging the second image information based on a plurality of colors, so as to obtain third image information comprising a plurality of portions; and displaying each portion having the same color sequentially in a preset order of the plurality of colors.
    Type: Application
    Filed: August 6, 2019
    Publication date: September 10, 2020
    Inventors: Xiurong Wang, Lingyun Shi, Yafei Li, Wenhao Liu, Tao Yang
  • Publication number: 20200279534
    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 display panel and a backlight unit which includes a plurality of backlight blocks and is driven in a local dimming mode. The method includes: determining a first display area and a second display area of the display panel; obtaining backlight values of the backlight blocks, and calculating compensated display data of respective pixels corresponding to the backlight blocks based on the backlight values of the backlight blocks; and adjusting compensated display data of at least one first pixel comprised in the first display area to obtain adjusted display data of the at least one first pixel. A display resolution of the first display area is larger than a display resolution of the second display area.
    Type: Application
    Filed: September 3, 2019
    Publication date: September 3, 2020
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhihua JI, Wenyu LI, Tiankuo SHI, Yafei LI, Yue LI, Yifan HOU
  • Publication number: 20200273431
    Abstract: A display control device for use with a display device. The display control device includes: an image pre-processor configured to divide an original image into a target area, a first non-target area, and a second non-target area, the image pre-processor being further configured to perform pre-processing on the original image, the pre-processing including reducing of a resolution of the first non-target area and the second non-target area; and a communication interface configured to transmit the pre-processed original image to the display device for display.
    Type: Application
    Filed: December 12, 2017
    Publication date: August 27, 2020
    Inventors: Xue DONG, Hao ZHANG, Lingyun SHI, Wei SUN, Yafei LI, Tiankuo SHI, Zijiao XUE, Bo GAO, Xiurong WANG
  • Publication number: 20200218340
    Abstract: The present disclosure provides a processing circuit of a display panel, a display method and a display device. The processing circuit includes: a line-of-sight acquisition module configured to track an eyeball of each eye, to determine a concern region of line of sight on the display panel and a region other than the concern region; a control module configured to acquire original image data of an image to be displayed on the display panel, subject first original image data corresponding to the concern region and/or second original image data corresponding to the other region to treatment, and output first image generation data corresponding to the concern region and second image generation data corresponding to the other region and having a resolution smaller than the first image generation data; and a display signal output module configured to output a display signal to the display panel in accordance with the first image generation data and the second image generation data.
    Type: Application
    Filed: August 10, 2017
    Publication date: July 9, 2020
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tiankuo SHI, Xue DONG, Dong CHEN, Xiaomang ZHANG, Wei SUN, Hao ZHANG, Lingyun SHI, Xiaobo XIE, Zijiao XUE, Bo GAO, Yafei LI, Jinxing LIU, Yan LI, Yue LI, Xiangyi CHEN, Shuaishuai XU, Xiaochuan CHEN, Shengji YANG
  • Patent number: 10706814
    Abstract: An aspect of the disclosure provides a processing method for display data applied in a computing device, which processing method includes: determining a region of interest in the display area of the computing device; compressing data of an image in the display area; and transmitting data of an image of the region of interest and the compressed image data in the display area. The disclosure further provides a corresponding processing device and display device.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: July 7, 2020
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yafei Li, Bo Gao, Yue Li, Wei Sun, Hao Zhang, Lingyun Shi, Tiankuo Shi, Xiurong Wang