Patents by Inventor Li Xiao

Li Xiao 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: 20220101783
    Abstract: The present disclosure provides a pixel driving structure and a display panel. The pixel driving structure includes a pulse width modulation driving circuit, a pulse amplitude modulation driving circuit, and a buffer circuit. The pulse width modulation driving circuit is configured to control a pulse width of a driving current supplied to the light emitting device to be driven according to a pulse width modulation data voltage; the pulse amplitude modulation driving circuit is configured to control an amplitude of the driving current supplied to the light emitting device to be driven according to a pulse amplitude modulation data voltage; and the buffer circuit is electrically coupled between the pulse width modulation driving circuit and the pulse amplitude modulation driving circuit and is configured to adjust a rate at which the pulse width modulation driving circuit applies a pulse width modulation voltage to the pulse amplitude modulation driving circuit.
    Type: Application
    Filed: September 16, 2021
    Publication date: March 31, 2022
    Inventors: Seungwoo HAN, Haoliang ZHENG, Li XIAO, Minghua XUAN
  • Patent number: 11290185
    Abstract: Provided by the embodiments of the present invention are a remote optical fiber dispersion compensation device and method, the dispersion compensation device comprising: a distance measurement module, used for measuring a remote distance to a remote access optical fiber; a channel monitoring module, used for monitoring the spectral power of a transmission service wavelength channel; and a remote optical fiber dispersion power equalization module, used for compensating the dispersion of a transmission service signal and adjusting the insertion loss of the wavelength channel according to the measured remote distance of the remote access optical fiber and the monitored spectral power of the transmission service wavelength channel.
    Type: Grant
    Filed: December 25, 2018
    Date of Patent: March 29, 2022
    Inventors: Li Xiao, Weiqing Zhang, Qinlian Bu, Chengpeng Fu, Zhi Chen, Lijie Qiao
  • Publication number: 20220075647
    Abstract: Methods, apparatus, systems and articles of manufacture are disclosed. An example apparatus includes at least one memory, instructions in the apparatus, at least one processor to execute the instructions to, in response to identifying malicious data: a) in response to determining that the at least one processor is controlled by the first operating system type, block a download from being executed, and b) in response to determining a switch from the first operating system type to the second operating system type, remove, from the at least one memory, an object downloaded in the download.
    Type: Application
    Filed: September 17, 2021
    Publication date: March 10, 2022
    Inventors: Vishnu Varadaraj, Li Xiao, Kathryn Young
  • Publication number: 20220056017
    Abstract: The present invention is directed to bicyclo[4.1.0]heptane pyrrolidine compounds which are agonists of orexin receptors. The present invention is also directed to uses of the compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to compositions comprising these compounds. The present invention is also directed to uses of these compositions in the potential prevention or treatment of such diseases in which orexin receptors are involved.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 24, 2022
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Stephane L. BOGEN, Dane James CLAUSEN, Deodial Guy GUIADEEN, Jinsong HAO, Shishi LIN, Michael T. RUDD, Lan WEI, Li XIAO, Dexi YANG
  • Patent number: 11244602
    Abstract: A shift register includes an input sub-circuit, a control sub-circuit, an output sub-circuit and a reset sub-circuit. The input sub-circuit is configured to transmit an input signal from an input signal terminal to a pull-up node. The control sub-circuit is configured to transmit a clock signal from a clock signal terminal to the control node. The output sub-circuit is configured to transmit a second voltage signal from a second voltage signal terminal to a first output signal terminal, and to transmit a first voltage signal from a first voltage signal terminal to the first output signal terminal. The reset sub-circuit is configured to transmit the second voltage signal to the control node to reset the control node, and to transmit a third voltage signal from the third voltage signal terminal to the pull-up node to reset the pull-up node.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: February 8, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haoliang Zheng, Dongni Liu, Minghua Xuan, Zhenyu Zhang, Li Xiao, Liang Chen, Hao Chen, Guangliang Shang, Lijun Yuan, Xing Yao
  • Patent number: 11239256
    Abstract: A display substrate includes a first substrate, a first sub-pixel layer and a second sub-pixel layer positioned on the first substrate; the first sub-pixel layer includes a plurality of first sub-pixels, the second sub-pixel layer includes a plurality of second sub-pixels, and a first orthographic projection of the first sub-pixel on the first substrate does not overlap with a second orthographic projection of the second sub-pixel on the first substrate. A display panel, a display device and a method for manufacturing the display substrate are also disclosed.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: February 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Can Wang, Minghua Xuan, Lei Wang, Li Xiao, Liang Chen, Shengji Yang, Pengcheng Lu, Xiaochuan Chen
  • Patent number: 11227534
    Abstract: A display driving circuit includes N levels of display driving sub-circuits and N levels of switching sub-circuits. Each display driving sub-circuit is connected to a corresponding switching sub-circuit. An nth-level display driving sub-circuit includes an nth-level gate driving sub-circuit and an nth-level light-emitting control sub-circuit. An nth-level switching sub-circuit includes an nth-level gate driving switching sub-circuit and an nth-level light-emitting, control switching sub-circuit. The nth-level gate driving switching sub-circuit is configured to enable an nth-level gate driving signal output end to be electrically connected to a (2n?1)th gate line or a 2nth gate line.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: January 18, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Lei Wang, Minghua Xuan, Xiaochuan Chen, Shengji Yang, Liang Chen, Li Xiao, Zheng Fang, Detao Zhao, Pengcheng Lu
  • Patent number: 11226520
    Abstract: A display substrate includes: a plurality of sub-pixel regions at a first base substrate, each of the plurality of sub-pixel regions including a light-blocking region and aperture regions located at opposing sides of the light-blocking region; and a first transparent electrode and a second transparent electrode within each of the plurality of sub-pixel regions, configured to drive a liquid crystal layer; wherein the first transparent electrode includes a first electrode unit located inside the light-blocking region and including a plurality of first sub-electrodes, wherein each of the plurality of first sub-electrodes are separated from two adjacent first sub-electrodes by a separation distance; and wherein the separation distance between two adjacent first sub-electrodes nearest to a center line of the light-blocking region is smaller than the separation distance between two adjacent first sub-electrodes nearest to an edge of the light-blocking region.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: January 18, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Detao Zhao, Li Xiao, Lei Wang, Dongni Liu, Liang Chen, Jifeng Tan, Minghua Xuan, Xiaochuan Chen
  • Patent number: 11207312
    Abstract: The present invention relates to metallo-?-lactamase inhibitor compounds of Formula (I) and pharmaceutically acceptable salts thereof, wherein Z, RA, X1, X2 and R1 are as defined herein. The present invention also relates to compositions which comprise a metallo-?-lactamase inhibitor compound of the invention or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier, optionally in combination with a beta lactam antibiotic and/or a beta-lactamase inhibitor. The invention further relates to methods for treating a bacterial infection comprising administering to a patient a therapeutically effective amount of a compound of the invention, in combination with a therapeutically effective amount of one or more ?-lactam antibiotics and optionally in combination with one or more beta-lactamase inhibitor compounds. The compounds of the invention are useful in the methods described herein for overcoming antibiotic resistance.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: December 28, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Alexander Pasternak, Shuzhi Dong, Jack D. Scott, Haiqun Tang, Zhiqiang Zhao, Dexi Yang, Xin Gu, Jinlong Jiang, Li Xiao
  • Patent number: 11211007
    Abstract: A pixel structure and a method of driving the same, a display panel and a display device. The pixel structure includes: at least two pixel circuits and a conduction control circuit connected to the at least two pixel circuits. The conduction control circuit is configured to connect the at least two pixel circuits in parallel in response to a first control signal and to connect the at least two pixel circuits in series in response to a second control signal.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: December 28, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liang Chen, Lei Wang, Li Xiao, Dongni Liu, Minghua Xuan, Xiaochuan Chen, Shengji Yang, Detao Zhao
  • Patent number: 11209943
    Abstract: An OLED touch display panel and a touch display device are disclosed. The OLED touch display panel includes a TFT back plate and a cathode layer disposed on the TFT back plate. The cathode layer includes a plurality of touch leads which are insulated from each other and a plurality of self-capacitance electrodes which are insulated from each other and arranged in a form of a matrix. The touch leads extend to a non-display region of the OLED touch display panel. Each one of the touch leads is connected with one of the self-capacitance electrodes, and resistance values of the touch leads connected with the self-capacitance electrodes of a same row are all consistent.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: December 28, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Minghua Xuan, Lei Wang, Jie Fu, Li Xiao, Pengcheng Lu, Dongni Liu
  • Publication number: 20210393600
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: April 15, 2019
    Publication date: December 23, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Liangqin Guo, Hongjun Zhang, Ping Chen, Dane Clausen, Xavier Fradera, Yongxin Han, Shuwen He, Xianhai Huang, Alexander Pasternak, Qinglin Pu, Li Xiao, Feng Ye
  • Publication number: 20210395240
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: October 28, 2019
    Publication date: December 23, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Dane Clausen, Xavier Fradera, Liangqin Guo, Yongxin Han, Shuwen He, Joseph Kozlowski, Guoqing Li, Theodore A. Martinot, Alexander Pasternak, David Sloman, Li Xiao, Wensheng Yu, Rui Zhang
  • Publication number: 20210390904
    Abstract: A display panel, a method of driving a display panel, and a display device are provided. The display panel includes a plurality of sub-pixel units arranged in an array, a plurality of compensation driving circuits and a plurality of light emitting control lines; sub-pixel units in each row are divided into a plurality of compensation light emitting groups, the plurality of compensation light emitting groups include a plurality of first compensation light emitting groups, the first compensation light emitting groups each include N sub-pixel units that are adjacent, and light emitting circuits of the N sub-pixel units that are adjacent are connected to one same compensation driving circuit; the light emitting circuits of the N sub-pixel units that are adjacent of each of the first compensation light emitting groups are respectively connected to N light emitting control lines that are different.
    Type: Application
    Filed: November 1, 2018
    Publication date: December 16, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua XUAN, Lei WANG, Li XIAO, Xiaochuan CHEN
  • Publication number: 20210380572
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: October 11, 2019
    Publication date: December 9, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Dane Clausen, Ping Chen, Xavier Fradera, Liangqin Guo, Yongxin Han, Shuwen He, Jongwon Lim, Theodore A. Martinot, Alexander Pasternak, Li Xiao, Wensheng Yu
  • Publication number: 20210375203
    Abstract: A display panel and a driving method thereof, and a display device are disclosed. The display panel includes a plurality of sub-pixel unit groups arranged in an array, the array includes a plurality of rows and a plurality of columns, each of the sub-pixel unit groups includes N sub-pixel units disposed along a column direction and a pixel driving circuit each of the N sub-pixel units includes a light-emitting circuit the pixel driving circuit is electrically connected to the light-emitting circuits of the N sub-pixel units, and the pixel driving circuit is configured to provide light-emitting driving currents to the light-emitting circuits of the N sub-pixel units.
    Type: Application
    Filed: January 15, 2019
    Publication date: December 2, 2021
    Inventors: Liang CHEN, Lei WANG, Dongni LIU, Li XIAO, Xiaochuan CHEN, Minghua XUAN, Shengji YANG, Pengcheng LU, Detao ZHAO, Ning CONG
  • Publication number: 20210375204
    Abstract: The present disclosure relates to a pixel circuit, a driving method therefor, and a display apparatus. The pixel circuit includes an input sub-circuit, a light emission control sub-circuit and an organic light-emitting transistor. The input sub-circuit is coupled to a gate line, a data line and the light emission control sub-circuit and writes a data signal supplied via the data line into the light emission control sub-circuit under control of a gate scan signal supplied via the gate line. The light emission control sub-circuit is coupled to a control electrode of the organic light-emitting transistor and controls a control electrode voltage of the organic light-emitting transistor according to a written data signal to drive the organic light-emitting transistor to emit light. With the pixel circuit according to embodiments of the present disclosure, active driving of an organic light-emitting transistor is achieved when it is applied in a display apparatus.
    Type: Application
    Filed: August 7, 2019
    Publication date: December 2, 2021
    Inventors: Liang CHEN, Lei WANG, Li XIAO, Dongni LIU, Detao ZHAO, Ning CONG, Minghua XUAN, Shengji YANG, Xiaochuan CHEN
  • Publication number: 20210375702
    Abstract: The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.
    Type: Application
    Filed: November 29, 2019
    Publication date: December 2, 2021
    Inventors: Li XIAO, Dongni LIU, Minghua XUAN, Jiao ZHAO, Haoliang ZHENG, Zhenyu ZHANG, Liang CHEN, Hao CHEN, Jing LIU, Qi QI
  • Publication number: 20210375700
    Abstract: The present disclosure provides a method for detecting resistance of a side trace of a display substrate and the display substrate, and belongs to the field of display technology. In the method for detecting resistance of a side trace of a display substrate, the display substrate includes: a base substrate including a first surface and a second surface opposite to each other; a plurality of first pads at intervals on the first surface; and a plurality of second pads at intervals on the second surface; the first pad is electrically connected to a corresponding second pad through a side trace; the method includes forming at least one detection unit; wherein forming the detection unit includes: connecting two first pads through a connection part; and detecting two second pads in the detection unit, and obtaining resistance of the detection unit to obtain the resistance of the side trace.
    Type: Application
    Filed: November 29, 2019
    Publication date: December 2, 2021
    Inventors: Li XIAO, Jiao ZHAO, Minghua XUAN, Dongni LIU, Haoliang ZHENG, Zhenyu ZHANG, Liang CHEN, Hao CHEN, Jing LIU, Qi QI
  • Publication number: 20210366378
    Abstract: The present application provides a display substrate, a display panel and a spliced screen, and belongs to the field of display technology. The display substrate in the present application is divided into display and boding regions, and includes a base substrate, and a pixel driving circuit on the base substrate and corresponding to the display region, The display substrate further includes an interlayer insulating layer and a signal lead-in wire on the base substrate. The signal lead-in wire at least includes a first signal lead-in sub-wire on a side of the interlayer insulating layer away from the base substrate. The first signal lead-in sub-wire is connected to a first connection pad in the bonding region for introducing an external signal to the pixel driving circuit. The interlayer insulating layer includes sub-insulating layers defining a multi-stepped structure at a position where the display region is adjacent to the bonding region.
    Type: Application
    Filed: November 28, 2019
    Publication date: November 25, 2021
    Inventors: Jiao ZHAO, Li XIAO, Minghua XUAN, Haoliang ZHENG, Dongni LIU, Jing LIU, Qi QI