Patents by Inventor Wei Qin

Wei Qin 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: 20220309997
    Abstract: A display panel and a driving method thereof, and a display device. The display panel includes a substrate and a plurality of pixel circuits arranged in an array on the substrate, each of the plurality of pixel circuits includes a pixel driving chip and at least one light-emitting element electrically connected to the pixel driving chip, and the pixel driving chip is configured to receive and store a data signal and drive the at least one light-emitting element to emit light according to the data signal.
    Type: Application
    Filed: September 18, 2020
    Publication date: September 29, 2022
    Applicants: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guofeng Hu, Qibing Gu, Lingyun Shi, Ming Chen, Xiurong Wang, Wei Hao, Tao Yang, Hong Liu, Mingjian Yu, Donghui Wang, Jing Xue, Yong Zhang, Jian Wang, Jian Lin, Xianglei Qin, Zhichao Yang, Zepeng Sun, Honggui Jin, Yashuai An, Zhilong Duan, Lingfang Nie, Liangzhen Tang, Limin Zhang
  • Patent number: 11453105
    Abstract: A power tool comprises a housing defining a grip portion, a motor having a motor drive shaft, a drive assembly including a crankshaft configured to receive torque from the motor drive shaft, an output assembly having an output member configured to receive torque from the crankshaft, a bearing rotatably supporting the crankshaft, a retainer configured to prevent translation of the bearing along the crankshaft past the retainer, and a transducer assembly disposed between the grip portion and the output member to measure the amount of torque applied through the output member.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: September 27, 2022
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Wyatt R. Silha, Jacob P. Schneider, John S. Dey, IV, Hans T. Banholzer, Qiang Wei Li, Pu Shao Zhang, Qian Guo Qin
  • Publication number: 20220281922
    Abstract: The disclosure relates to compositions, methods, and processes for the preparation, use, and/or formulation of adeno-associated virus capsid proteins, wherein the capsid proteins comprise targeting peptide inserts for enhanced tropism to a target tissue.
    Type: Application
    Filed: July 31, 2020
    Publication date: September 8, 2022
    Inventors: Dinah Wen-Yee SAH, Jinzhao HOU, Kei ADACHI, Wei WANG, Qingmin CHEN, Jenna CARROLL SOPER, Amy REN, Xiao-Qin REN, Benjamin E. DEVERMAN, Viviana GRADINARU, Qin HUANG, Sripriya RAVINDRA KUMAR
  • Publication number: 20220276528
    Abstract: Provided are a display panel, a preparation method thereof, and a display apparatus. The display panel includes a first substrate and a second substrate disposed oppositely, and a liquid crystal layer sandwiched between the first substrate and the second substrate, wherein the first substrate includes a black matrix layer and a color filter layer which are sequentially disposed on a first base substrate; at least one of the first substrate and the second substrate further includes a spacer; and the black matrix layer includes at least one first black matrix, and an orthographic projection of each first black matrix on the first base substrate covers an orthographic projection of the spacer on the first base substrate.
    Type: Application
    Filed: October 25, 2021
    Publication date: September 1, 2022
    Inventors: Zhao ZHANG, Yanqing CHEN, Wei LI, Weida QIN, Kai CHEN, Jiguo WANG, Wei YAN, Xiaofeng ZHANG, Zeliang LI, Jian ZHANG, Zhen WANG
  • Publication number: 20220270937
    Abstract: A method of determining a shear strength of a bonded free air ball on a wire bonding machine is provided. The method includes the steps of: (a) providing a free air ball at a working end of a wire bonding tool; (b) bonding the free air ball to a bonding location of a workpiece; (c) moving the wire bonding tool, while in contact with the bonded free air ball, in a direction along the bonding location; (d) monitoring wire bonding process signals during step (c); and (e) determining a shear strength using the wire bonding process signals monitored in step (d).
    Type: Application
    Filed: February 7, 2022
    Publication date: August 25, 2022
    Inventors: Gary S. Gillotti, Racheli Herskowits, Wei Qin
  • Publication number: 20220271685
    Abstract: The present invention discloses a modular intelligent combined wind power converter and a control method thereof. The modular intelligent combined wind power converter comprises separate bridge arm power units, wherein a plurality of the bridge arm power units are connected in parallel to form a high-capacity bridge arm power module, three bridge arm power modules form a three-phase full-controlled bridge power module, and the three-phase full-controlled bridge power module comprises an electric reactor, a capacitor, a fuse and a circuit breaker to form a basic converter module, and the basic converter module forms a high-capacity wind power converter through a modular intelligent combination method.
    Type: Application
    Filed: January 12, 2021
    Publication date: August 25, 2022
    Inventors: Xu CAI, Han WANG, Jianwen ZHANG, Gang SHI, Jing LV, Yunfeng CAO, Haoshu SHAO, Yao QIN, Wei LV
  • Patent number: 11420257
    Abstract: An apparatus for efficiently preparing spherical metal powder for 3D printing includes a housing, a crucible and a powder collection area arranged in the housing, wherein a turnplate arranged in the collection area is an inlaid structure. A material having a poor thermal conductivity is selected as the base of the turnplate, and a metal material having a wetting angle less than 90° with respect to droplets is selected and embedded into the base to serve as an atomization plane of the turnplate. An air hole is disposed in the turnplate. The spherical metal powder for 3D printing combines electromagnetic force breaking capillary jet flow and centrifugal atomization, which breaks through the traditional metal split mode, and makes the molten metal in a fibrous splitting.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: August 23, 2022
    Assignees: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Wei Dong, Yao Meng, Sheng Zhu, Xiaoming Wang, Yang Zhao, Yanyang Wang, Fumin Xu, Zhaofeng Bai, Yang Han, Guobin Li, Wenyu Wang, Qing Chang, Zhiqiang Ren, Jing Shi, Guofeng Han, Tao Teng, Yu Sun, Zhiyong Qin
  • Publication number: 20220262310
    Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 18, 2022
    Inventors: Xueling GAO, Kuanjun Peng, Chengchung Yang, Xiangxiang Zou, Wei Qin
  • Publication number: 20220263110
    Abstract: A wound bare electric roll includes a cathode sheet, an anode sheet and a separator, the separator being arranged between the cathode sheet and the anode sheet. The cathode sheet has an end and an anti-puncture cushion arranged on a tail exposed zone at the end of the cathode sheet. The anti-puncture cushion corresponds to an outer surface of a corner of the anode sheet. A lithium ion battery has a laminated aluminum film, and a wound bare electric roll accommodated in the laminated aluminum film.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 18, 2022
    Inventors: Junliang ZHU, Haibing Wang, Tongming Dong, Wenqiang Cheng, Baohua Chen, Shufeng Wu, Wei Yang, Zhihua Qin, Meina Lin
  • Patent number: 11416043
    Abstract: A display motherboard includes a motherboard body, wherein n recess structures for guiding the motherboard body to fracture are provided on a surface of the motherboard body, n being greater than 1; wherein the n recess structures are arranged in sequence and centers of the n recess structures are collinear.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: August 16, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming Yang, Wei Wang, Bin Liu, Keheng Li, Yang Dang, Shaojie Qin
  • Publication number: 20220244805
    Abstract: The embodiments of the present application disclose a touch control display panel and a manufacturing method thereof, a touch control display screen and a spliced screen. The touch control display panel comprises: A substrate; A driving circuit layer, wherein the driving circuit layer comprises a driving line and a data line, a touch control row electrode and a touch control column electrode, the touch control row electrode is connected to at least one row auxiliary electrode via at least one first via hole, and each row of touch control row electrodes are connected to each other in series via the row auxiliary electrode; the touch control column electrode is connected to at least one column auxiliary electrode through at least one second via, and each column touch control column electrode is connected to each other in series through the column auxiliary electrode.
    Type: Application
    Filed: September 30, 2021
    Publication date: August 4, 2022
    Inventors: Lubin SHI, Fuqiang LI, Fangzhen ZHANG, Wei QIN
  • Publication number: 20220246094
    Abstract: A display panel includes a plurality of pixels and an electrostatic circuit. At least one pixel includes: a pixel electrode; a common electrode; a light-emitting element; and a driving sub-circuit coupled to a scanning signal terminal, a data signal terminal, a light-emitting control signal terminal, a first voltage signal terminal and a first terminal of a light-emitting element, and outputs a first voltage signal from the first voltage signal terminal to the light-emitting element controlled by a scanning signal, a data signal, and a light-emitting control signal. The electrostatic circuit couples a first signal line and a second signal line, the first signal line receives a second voltage signal, and the second signal line receives a third voltage signal and is arranged on a periphery of the plurality of pixels. Common electrodes of the pixels are coupled to each other and to the second signal line.
    Type: Application
    Filed: April 12, 2022
    Publication date: August 4, 2022
    Inventors: Wei Qin, Xiaolong Li, Kuanjun Peng, Chunfang Zhang, Zhiqiang Xu, Yanan Niu
  • Publication number: 20220247186
    Abstract: The embodiments are a charging apparatus, a charging system and a charging method. The charging apparatus is configured to charge a data communication battery. The charging apparatus includes a charging power supply and a balancing apparatus. the charging power supply is electrically connected to the data communication battery, the balancing apparatus is electrically connected to the data communication battery, and the balancing apparatus is configured to obtain first information of the data communication battery to implement voltage balancing among the batteries in the data communication battery according to the first information; and the charging power supply is configured to obtain second information of the data communication battery to output a voltage or current according to the second information to charge the data communication battery.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 4, 2022
    Inventor: Wei QIN
  • Patent number: 11404973
    Abstract: A method to simulate a circuit includes receiving at least one circuit requirement and at least one Modular Multilevel Converter (MMC) parameter; determining an operating mode and switching states of an arm circuit; determining each capacitor current based on the switching states and an arm current; determining capacitor voltage and arm voltage; and generating an equivalent circuit model to simulate MMC-based HVDC systems and DC grids in a hybrid AC and DC power system.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: August 2, 2022
    Inventors: Di Shi, Xiaoying Zhao, Feng Xue, Wei Li, Huimin Peng, Jiangchao Qin, Chaoyang Jing, Zhiwei Wang
  • Patent number: 11401627
    Abstract: Disclosed is a method for preparing a quantum rod/polymer fiber membrane by using electrospinning technique. The method comprises the following steps: (1) preparing a quantum rod solution; (2) preparing a polymer solution, and adding the quantum rod solution obtained in step (1) into the polymer solution so as to form an electrospinning precursor solution with a volume concentration of the quantum rods of 5%-80%; and (3) adding the electrospinning precursor solution into an electrospinning device, regulating the voltage of a generator and the receiving distance, and then performing electrospinning to prepare the quantum rod/polymer fiber membrane. By adjusting the concentration of the quantum rod solution and parameters in the electrospinning process, the method realizes directional arrangements of the quantum rods in the electrospinning process, thereby obtaining the quantum rod/polymer fiber membrane with high degree of polarization performance.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: August 2, 2022
    Assignee: SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
    Inventors: Kai Wang, Ziming Zhou, Jing Qin, Zuoliang Wen, Shang Li, Junjie Hao, Wei Chen, Xiaowei Sun
  • Patent number: 11402362
    Abstract: The invention relates to a comprehensive monitoring and data mining system and method for algae bloom of lake, wherein, the method comprises acquiring monitoring indicator data related to algae bloom of lake by three ways, i.e., remote sensing monitoring, automatic monitoring and manual surveying, and transmitting the acquired data to a data center by Internet; performing data backup and data preprocessing of the received data in the data center, including temporal interpolation, spatial interpolation and outlier determination and processing; transmitting the preprocessed data to a database for storage; performing computation of 3D numerical model of lake according to the data source stored in the database, assessing the risk of algae bloom of the lake to be monitored according to the simulation data of the numerical model, and displaying predictive warning information on algae bloom of the lake on a public platform.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: August 2, 2022
    Assignee: NANJING INSTITUTE OF GEOGRAPHY
    Inventors: Boqiang Qin, Tingfeng Wu, Guangwei Zhu, Yunlin Zhang, Wei Li
  • Patent number: 11404582
    Abstract: The embodiments of the present disclosure provide an array substrate and a method for manufacturing the same, and a display device. The array substrate includes a substrate, wherein the substrate has a display region and a peripheral region surrounding the display region, the display region has a plurality of pixels arranged in an array, and each of the plurality of pixels includes a light transmission region and a light shielding region, and a light shielding block covering at least a part of the light transmission region of at least one pixel close to the peripheral region of the plurality of pixels.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: August 2, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanqing Chen, Jianyun Xie, Wei Li, Cheng Li, Pan Guo, Yanfeng Li, Weida Qin, Ning Wang
  • Publication number: 20220238819
    Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a flexible substrate, a driving structure layer disposed on the flexible substrate, a light-emitting element disposed on the driving structure layer, and an encapsulation layer disposed on the light-emitting element. The flexible substrate includes a first flexible substrate layer, a first connection layer disposed on the first flexible substrate layer, and a second flexible substrate layer disposed on the first connection layer, wherein, the first connection layer includes at least one first via, and the first flexible substrate layer includes at least one first groove provided corresponding to the first via; the first via and the first groove are mutually communicated, and an orthographic projection of the first groove on the first flexible substrate layer includes an orthographic projection of the first via on the first flexible substrate layer.
    Type: Application
    Filed: September 23, 2021
    Publication date: July 28, 2022
    Inventors: Sen WANG, Li JIA, Bin LIU, Mingqi GANG, Shaojie QIN, Ming YANG, Jiandong BAO, Wei WANG, Xin ZHOU
  • Patent number: 11396454
    Abstract: A negative thermal expansion material and a preparation method thereof, and a negative thermal expansion film and a preparation method thereof are provided. The negative thermal expansion material includes Eu0.85Cu0.15MnO3-?, wherein 0???2.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: July 26, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Li, Pan Guo, Yanqing Chen, Ning Wang, Weida Qin, Haoyi Xin, Yanfeng Li, Chao Li, Yongchao Wang
  • Patent number: 11395680
    Abstract: A lower limb traction device for intramedullary nail implantation operation includes a chassis with a first end portion and a second end portion opposite to each other; a first slide block slidably provided at a second end portion of the chassis in a longitudinal direction of the chassis; a lower leg support plate having two opposite end portions and two opposite side portions, wherein one end portion is connected to the first slide block; an upper leg back plate having opposite end portions and opposite side portions, wherein one end portion of the upper leg back plate is connected to the second end portion of the chassis, and the other end portion of the upper leg back plate is connected to the other end of the lower leg support plate; and a pulling mechanism provided at the first end portion of the chassis.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: July 26, 2022
    Assignees: The Third Hospital of Hebei Medical University
    Inventors: Wei Chen, Yingze Zhang, Zhiyong Hou, Yanbin Zhu, Juan Wang, Di Zhang, Shiji Qin