Patents by Inventor Xu Qian

Xu Qian 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: 20240116939
    Abstract: The present disclosure relates to a technical field of chiral compound synthesis, and particularly to chiral or racemic pyrimidine-fused diazepinone derivatives, preparation method, and application thereof. A structural formula of the chiral or racemic pyrimidine-fused diazepinone derivatives or pharmaceutically acceptable salts thereof is as shown in formula (I), The present disclosure further provides a preparation method of the chiral or racemic pyrimidine-fused diazepinone derivatives, the method includes using pyrimidine allyl compound intermediates as raw materials, using iridium complexes formed by an interaction between iridium compounds and phosphoramidite ligands as catalysts, and obtaining the chiral or racemic pyrimidine-fused diazepinone derivatives by reactions under action of alkalis.
    Type: Application
    Filed: November 17, 2023
    Publication date: April 11, 2024
    Inventors: Liqin Qiu, Xiaoding Jiang, Xu Qian
  • Patent number: 11944721
    Abstract: A nerve conduit loaded with adipose-derived stem cells and a preparation method thereof are provided. The preparation method includes: S1, adding polycaprolactone and polyvinylpyrrolidone into a binary organic solvent, performing ultrasonic treatment, and then adding reduced graphene oxide nanoparticles to obtain a spinning solution; S2, electrospinning with the spinning solution and then washing for several times to obtain a semi-finished conduit product; and S3, injecting a cell mixture into the semi-finished conduit product to obtain the nerve conduit. A fiber surface of the nerve conduit has groove structures, and thus a specific surface area and cell adhesion sites are increased, and adhesion and proliferation of cells are facilitated.
    Type: Grant
    Filed: April 22, 2023
    Date of Patent: April 2, 2024
    Assignee: SHANGHAI SIXTH PEOPLE'S HOSPITAL
    Inventors: Yun Qian, Cunyi Fan, Xiangyun Yao, Zhiwen Yan, Lingchi Kong, Xu Wang
  • Publication number: 20240083898
    Abstract: The present application provides tricyclic triazolo compounds that modulate the activity of diacylglycerol kinase (DGK), which are useful in the treatment of various diseases, including cancer.
    Type: Application
    Filed: August 11, 2023
    Publication date: March 14, 2024
    Inventors: Joshua Hummel, Ding-Quan Qian, Xiaozhao Wang, Meizhong Xu
  • Publication number: 20230259121
    Abstract: Provided is a moving target positioning capability testing device for a coal mine, including a timing unit, a control unit, a laser emitting unit, a laser receiving unit and a constant-speed traveling device, wherein multiple groups of clocks, laser receivers and laser emitters, as test points, are arranged; and the constant-speed traveling device is used to drive positioning identification cards fixed on a positioning vehicle to move forwards from a position outside a coverage boundary of a positioning sub-station in a constant-speed manner, count time of the clocks, and calculate a difference between a position of the positioning vehicle fixed with the positioning identification cards after moving a distance at the same time as a receiving time recorded by a moving target positioning system server and a position of the clock as a dynamic error evaluation value of the moving target positioning ability.
    Type: Application
    Filed: February 24, 2022
    Publication date: August 17, 2023
    Inventors: Long MA, Kun FANG, Xu QIAN, Zhenxin LI, Changna GUO, Mingying XU, Zhifu LI, Xiaoxu ZOU, Yan ZHANG, Dong WANG
  • Patent number: 11374502
    Abstract: A system includes a rectifier having an input configured to receive a variable AC input voltage and convert the AC input voltage to a rectified output voltage. A power converter has an input coupled to receive the rectified output voltage and to provide a DC supply voltage at an output thereof. A low drop-out regulator has an input coupled to receive the supply voltage and is configured provide a regulated voltage. A sensor is coupled to receive the regulated voltage as a power source and is configured to sense a condition and provide sensor data indicative of the sensed condition.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 28, 2022
    Assignee: CASE WESTERN RESERVE UNIVERSITY
    Inventors: Philip X. L. Feng, Shiquan Fan, Liuming Zhao, Ran Wei, Zenghui Wang, Xu-Qian Zheng
  • Patent number: 11223300
    Abstract: A sensor network that is easy to deploy and substantially maintenance-free is disclosed. Sensor networks in accordance with the present invention include a base station and at least one sensor node that is operative for monitoring the occupancy of an area and wirelessly communicating information to the base station. The sensor node includes an energy harvester for converting ambient energy into electrical energy and an energy manager that enables self-powering of the sensor node using only the electrical energy derived from the ambient energy. The energy manager also includes a cold-start module that enables initiation of sensor-node operation even in the absence of any stored energy onboard the sensor node.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: January 11, 2022
    Assignee: CASE WESTERN RESERVE UNIVERSITY
    Inventors: Philip X. L. Feng, Peng Wang, Zenghui Wang, Ran Wei, Xu-Qian Zheng
  • Publication number: 20210135593
    Abstract: A system includes a rectifier having an input configured to receive a variable AC input voltage and convert the AC input voltage to a rectified output voltage. A power converter has an input coupled to receive the rectified output voltage and to provide a DC supply voltage at an output thereof. A low drop-out regulator has an input coupled to receive the supply voltage and is configured provide a regulated voltage. A sensor is coupled to receive the regulated voltage as a power source and is configured to sense a condition and provide sensor data indicative of the sensed condition.
    Type: Application
    Filed: April 2, 2017
    Publication date: May 6, 2021
    Inventors: Philip X.L. Feng, Shiquan Fan, Liuming Zhao, Ran Wei, Zenghui Wang, Xu-Qian Zheng
  • Patent number: 10930212
    Abstract: The present disclosure provides an organic light-emitting pixel driving circuit.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: February 23, 2021
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Xu Qian, Hua Gong, Jun Zhang
  • Patent number: 10901546
    Abstract: A display panel, a display device, and a pressure sensing method are provided. The display panel includes a display region, a non-display region, a scanning driving circuit in the non-display region, a plurality of scanning lines extending in a first direction and being arranged in a second direction, and at least one pressure sensing unit. Each of the scanning lines is connected to one of output terminals of the scanning driving circuit and the first direction is perpendicular to the second direction. Each pressure sensing unit includes a first input terminal, a second input terminal, and a first output terminal. The first input terminal and the second input terminal are connected to different output terminals of the scanning driving circuit respectively, and the first output terminal is used for outputting a pressure sensing signal.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: January 26, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xu Qian, Feng Lu
  • Patent number: 10446634
    Abstract: The present disclosure discloses a flexible display panel and a flexible display device. The flexible display panel includes a first flexible substrate, a buffer layer, a display function layer, and a conduction function layer. The buffer layer and the display function layer are placed on a first side of the first flexible substrate. The conduction function layer is placed between the first flexible substrate and the display function layer, and is connected to a constant potential through a through-hole or by an end portion of the conduction function layer. By arranging the conduction function layer and connecting to the constant potential, an external interference signal from a back side of the substrate can be effectively shielded, and the conduction function layer can also serve as a blocking layer.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: October 15, 2019
    Assignee: TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xu Qian, Wenxin Jiang, Yuan Li
  • Publication number: 20190251902
    Abstract: The present disclosure provides an organic light-emitting pixel driving circuit.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 15, 2019
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Xu Qian, Hua Gong, Jun Zhang
  • Patent number: 10289243
    Abstract: A manufacturing method of a touch control display device is disclosed. The method includes forming a thin film transistor element layer; forming and patterning a common electrode layer on the thin film transistor element layer to form common electrodes, forming a third insulation layer on the common electrode and the thin film transistor element layer, forming and patterning a conversion layer on the third insulation layer to form conversion lines, and forming on a first via hole that exposes at least a portion of a gate line, and forming a second via hole that exposes at least a portion of the common electrode. Further, first conversion lines are electrically connected to the gate lines via the first via hole, and second conversion lines are electrically connected to the common electrode via the second via hole.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: May 14, 2019
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Feng Lu, Xu Qian, Wenxin Jiang, Junchao Ma, Yong Wu
  • Publication number: 20190035871
    Abstract: The present disclosure discloses a flexible display panel and a flexible display device. The flexible display panel includes a first flexible substrate, a buffer layer, a display function layer, and a conduction function layer. The buffer layer and the display function layer are placed on a first side of the first flexible substrate. The conduction function layer is placed between the first flexible substrate and the display function layer, and is connected to a constant potential through a through-hole or by an end portion of the conduction function layer. By arranging the conduction function layer and connecting to the constant potential, an external interference signal from a back side of the substrate can be effectively shielded, and the conduction function layer can also serve as a blocking layer.
    Type: Application
    Filed: January 26, 2018
    Publication date: January 31, 2019
    Inventors: Xu QIAN, Wenxin JIANG, Yuan LI
  • Publication number: 20190020290
    Abstract: A sensor network that is easy to deploy and substantially maintenance-free is disclosed. Sensor networks in accordance with the present invention include a base station and at least one sensor node that is operative for monitoring the occupancy of an area and wirelessly communicating information to the base station. The sensor node includes an energy harvester for converting ambient energy into electrical energy and an energy manager that enables self-powering of the sensor node using only the electrical energy derived from the ambient energy. The energy manager also includes a cold-start module that enables initiation of sensor-node operation even in the absence of any stored energy onboard the sensor node.
    Type: Application
    Filed: December 28, 2016
    Publication date: January 17, 2019
    Applicant: Case Western Reserve University
    Inventors: Philip X.L. Feng, Peng Wang, Zenghui Wang, Ran Wei, Xu-Qian Zheng
  • Patent number: 10083994
    Abstract: The present disclosure relates provide a flexible display panel and a display device. The flexible display panel includes: a flexible substrate; an inorganic layer disposed on the flexible substrate; and signal lines which are arranged in parallel along a first direction and located within the inorganic layer; wherein the signal lines are electrically connected with the display units and extend along a second direction to the wiring area; the inorganic layer includes a signal line spacing area and signal line covering areas; on a plane where the flexible substrate is located, an orthographic projection of the signal line spacing area does not overlap projections of the signal lines, and orthographic projections of the signal line covering areas cover the signal lines; in a direction perpendicular to the flexible substrate, a top end of the signal line spacing area is higher than top ends of the signal line covering areas.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: September 25, 2018
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Xu Qian
  • Publication number: 20180203565
    Abstract: A manufacturing method of a touch control display device is disclosed. The method includes forming a thin film transistor element layer; forming and patterning a common electrode layer on the thin film transistor element layer to form common electrodes, forming a third insulation layer on the common electrode and the thin film transistor element layer, forming and patterning a conversion layer on the third insulation layer to form conversion lines, and forming on a first via hole that exposes at least a portion of a gate line, and forming a second via hole that exposes at least a portion of the common electrode. Further, first conversion lines are electrically connected to the gate lines via the first via hole, and second conversion lines are electrically connected to the common electrode via the second via hole.
    Type: Application
    Filed: March 13, 2018
    Publication date: July 19, 2018
    Applicants: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Feng LU, Xu QIAN, Wenxin JIANG, Junchao MA, Yong WU
  • Patent number: 9965088
    Abstract: A touch control display device is provided. The touch control device includes: a display area including a gate electrode, a plurality of gate lines, a source electrode, a drain electrode, a plurality of source lines, a plurality of conversion lines, and a plurality of common electrodes. A first via hole may be formed on the gate line and exposes at least a portion of the gate line, and a second via hole may be formed on the common electrode and exposes at least a portion of the common electrodes. The plurality of conversion lines may include a plurality of first conversion lines and a plurality of second conversion lines. The plurality of first conversion lines may be electrically connected to the plurality of gate lines via the first via hole, and the plurality of second conversion lines may be electrically connected to the plurality of common electrodes via the second via hole.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: May 8, 2018
    Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Feng Lu, Xu Qian, Wenxin Jiang, Junchao Ma, Yong Wu
  • Patent number: 9927919
    Abstract: An array substrate, a drive method, a display panel and a display device are provided. The array substrate includes: a first gate line to a N-th gate line arranged along a first direction; a common electrode, partitioned into a plurality of touch-control electrodes independent from each other, where each touch-control electrode includes a plurality of sub-electrodes, and the plurality of sub-electrodes are arranged along the first direction and extend in the direction same as the gate lines; a plurality of touch-control wires; wherein among the gate lines corresponding to any touch-control electrode, the i-th gate line and the (i+1)-th gate line correspond to different sub-electrodes respectively, the sub-electrode corresponding to the i-th gate line is insulated from the sub-electrode corresponding to the (i+1)-th gate line, the sub-electrode corresponding to the i-th gate line and the sub-electrode corresponding to the (i+1)-th gate line are connected to different touch-control wires.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: March 27, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Xu Qian
  • Publication number: 20170371472
    Abstract: A display panel, a display device, and a pressure sensing method are provided. The display panel includes a display region, a non-display region, a scanning driving circuit in the non-display region, a plurality of scanning lines extending in a first direction and being arranged in a second direction, and at least one pressure sensing unit. Each of the scanning lines is connected to one of output terminals of the scanning driving circuit and the first direction is perpendicular to the second direction. Each pressure sensing unit includes a first input terminal, a second input terminal, and a first output terminal. The first input terminal and the second input terminal are connected to different output terminals of the scanning driving circuit respectively, and the first output terminal is used for outputting a pressure sensing signal.
    Type: Application
    Filed: September 8, 2017
    Publication date: December 28, 2017
    Inventors: Xu QIAN, Feng LU
  • Publication number: 20170309652
    Abstract: The present disclosure relates provide a flexible display panel and a display device. The flexible display panel includes: a flexible substrate; an inorganic layer disposed on the flexible substrate; and signal lines which are arranged in parallel along a first direction and located within the inorganic layer; wherein the signal lines are electrically connected with the display units and extend along a second direction to the wiring area; the inorganic layer includes a signal line spacing area and signal line covering areas; on a plane where the flexible substrate is located, an orthographic projection of the signal line spacing area does not overlap projections of the signal lines, and orthographic projections of the signal line covering areas cover the signal lines; in a direction perpendicular to the flexible substrate, a top end of the signal line spacing area is higher than top ends of the signal line covering areas.
    Type: Application
    Filed: July 10, 2017
    Publication date: October 26, 2017
    Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Xu QIAN