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).
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Publication number: 20240116939Abstract: 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: ApplicationFiled: November 17, 2023Publication date: April 11, 2024Inventors: Liqin Qiu, Xiaoding Jiang, Xu Qian
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Patent number: 11944721Abstract: 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: GrantFiled: April 22, 2023Date of Patent: April 2, 2024Assignee: SHANGHAI SIXTH PEOPLE'S HOSPITALInventors: Yun Qian, Cunyi Fan, Xiangyun Yao, Zhiwen Yan, Lingchi Kong, Xu Wang
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Publication number: 20240083898Abstract: 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: ApplicationFiled: August 11, 2023Publication date: March 14, 2024Inventors: Joshua Hummel, Ding-Quan Qian, Xiaozhao Wang, Meizhong Xu
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Publication number: 20230259121Abstract: 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: ApplicationFiled: February 24, 2022Publication date: August 17, 2023Inventors: Long MA, Kun FANG, Xu QIAN, Zhenxin LI, Changna GUO, Mingying XU, Zhifu LI, Xiaoxu ZOU, Yan ZHANG, Dong WANG
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Patent number: 11374502Abstract: 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: GrantFiled: April 2, 2018Date of Patent: June 28, 2022Assignee: CASE WESTERN RESERVE UNIVERSITYInventors: Philip X. L. Feng, Shiquan Fan, Liuming Zhao, Ran Wei, Zenghui Wang, Xu-Qian Zheng
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Patent number: 11223300Abstract: 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: GrantFiled: December 28, 2016Date of Patent: January 11, 2022Assignee: CASE WESTERN RESERVE UNIVERSITYInventors: Philip X. L. Feng, Peng Wang, Zenghui Wang, Ran Wei, Xu-Qian Zheng
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Publication number: 20210135593Abstract: 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: ApplicationFiled: April 2, 2017Publication date: May 6, 2021Inventors: Philip X.L. Feng, Shiquan Fan, Liuming Zhao, Ran Wei, Zenghui Wang, Xu-Qian Zheng
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Patent number: 10930212Abstract: The present disclosure provides an organic light-emitting pixel driving circuit.Type: GrantFiled: April 24, 2019Date of Patent: February 23, 2021Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Xu Qian, Hua Gong, Jun Zhang
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Patent number: 10901546Abstract: 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: GrantFiled: September 8, 2017Date of Patent: January 26, 2021Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Xu Qian, Feng Lu
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Patent number: 10446634Abstract: 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: GrantFiled: January 26, 2018Date of Patent: October 15, 2019Assignee: TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Xu Qian, Wenxin Jiang, Yuan Li
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Publication number: 20190251902Abstract: The present disclosure provides an organic light-emitting pixel driving circuit.Type: ApplicationFiled: April 24, 2019Publication date: August 15, 2019Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Xu Qian, Hua Gong, Jun Zhang
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Patent number: 10289243Abstract: 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: GrantFiled: March 13, 2018Date of Patent: May 14, 2019Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Feng Lu, Xu Qian, Wenxin Jiang, Junchao Ma, Yong Wu
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Publication number: 20190035871Abstract: 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: ApplicationFiled: January 26, 2018Publication date: January 31, 2019Inventors: Xu QIAN, Wenxin JIANG, Yuan LI
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Publication number: 20190020290Abstract: 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: ApplicationFiled: December 28, 2016Publication date: January 17, 2019Applicant: Case Western Reserve UniversityInventors: Philip X.L. Feng, Peng Wang, Zenghui Wang, Ran Wei, Xu-Qian Zheng
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Patent number: 10083994Abstract: 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: GrantFiled: July 10, 2017Date of Patent: September 25, 2018Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Xu Qian
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Publication number: 20180203565Abstract: 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: ApplicationFiled: March 13, 2018Publication date: July 19, 2018Applicants: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Feng LU, Xu QIAN, Wenxin JIANG, Junchao MA, Yong WU
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Patent number: 9965088Abstract: 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: GrantFiled: January 26, 2016Date of Patent: May 8, 2018Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Feng Lu, Xu Qian, Wenxin Jiang, Junchao Ma, Yong Wu
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Patent number: 9927919Abstract: 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: GrantFiled: December 7, 2015Date of Patent: March 27, 2018Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Xu Qian
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Publication number: 20170371472Abstract: 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: ApplicationFiled: September 8, 2017Publication date: December 28, 2017Inventors: Xu QIAN, Feng LU
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Publication number: 20170309652Abstract: 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: ApplicationFiled: July 10, 2017Publication date: October 26, 2017Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Xu QIAN