Patents by Inventor Jiawei XU

Jiawei XU 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: 20210296641
    Abstract: A supporter of lithium metal, a material of the supporter of lithium metal is at least one of copper, an alloy of the copper, nickel, or an alloy of the nickel, and a surface of the supporter of lithium metal comprises a lithiophilic layer.
    Type: Application
    Filed: June 7, 2021
    Publication date: September 23, 2021
    Inventors: BingWei MAO, Yu GU, Hongyu XU, Weiwei WANG, Jiawei YAN
  • Publication number: 20210284174
    Abstract: The invention discloses a method and a system for calibrating a driving risk identification model. The calibration method comprises: S1. establishing a vehicle platform by installing an information acquisition device on a test vehicle; S2. acquiring synchronized test data related to the test vehicle and driving scenarios; S3. extracting moments when the drivers start to press the accelerator pedal, start to release the accelerator pedal, start to press the brake pedal in the driving scenarios, and start to release the brake pedal, so as to define risk level values respectively corresponding to the moments; S4. obtaining a risk identification curve of the drivers in different driving scenarios, wherein the risk identification curve represents the drivers' judgment of the risk level over time; S5. using the risk identification curve to calibrate the driving risk identification model.
    Type: Application
    Filed: May 14, 2018
    Publication date: September 16, 2021
    Applicant: TSINGHUA UNIVERSITY
    Inventors: Jianqiang WANG, Heye HUANG, Xunjia ZHENG, Keqiang LI, Qing XU, Shengbo LI, Likun WANG, Ziqing GU, Jiawei WANG
  • Publication number: 20210286995
    Abstract: A device for diagnosing a fault in a bearing of a motor is provided. If the device operates in a fault diagnosis mode, a current signal acquisition unit acquires a real-time current signal of the motor, a residual signal acquisition unit extracts harmonic signals from the real-time current signal of the motor acquired by the current signal acquisition unit and remove a fundamental signal and a harmonic signal from the real-time current signal of the motor to acquire a residual signal, a fault feature extraction unit analyzes the residual signal in both time domain and frequency domain to extract a fault feature index of the bearing, and a fault diagnosis model unit performs, by using a bearing fault diagnosis model obtained through training, pattern recognition on the fault feature index to diagnose a fault state of the bearing.
    Type: Application
    Filed: September 3, 2019
    Publication date: September 16, 2021
    Applicant: ZHUZHOU CRRC TIMES ELECTRIC CO., LTD.
    Inventors: Wenlong ZHU, Yong LIU, Jisheng DAI, Zongshuai LI, Jiawei YANG, Ping JIANG, Yanhao ZHAN, Zhongjing ZHANG, Hailong XU
  • Patent number: 11112923
    Abstract: A touch screen, a manufacturing method thereof, and a display device. The touch screen includes: a plurality of mutually independent touch detection regions. Each touch detection region includes a plurality of strip transparent electrodes arranged along a first direction and extending along a second direction, and a plurality of mesh electrodes arranged along the second direction and extending along the first direction. The strip transparent electrodes and the mesh electrodes are insulated from each other, and the second direction is intersected with the first direction. Strip ground electrodes extending along the second direction exist between every two adjacent touch detection regions arranged along the first direction, and the strip ground electrodes and the strip transparent electrodes are disposed on the same layer.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: September 7, 2021
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chuanwen Zhang, Zhao Dong, Wenjin Fan, Bisheng Li, Jiawei Xu, Baoran Li
  • Publication number: 20210271146
    Abstract: The present disclosure provides an array substrate and a preparation method thereof, a display panel and a driving method thereof, which belongs to the field of display technology. The array substrate includes a base substrate, a driving circuit layer, a reflective electrode layer, a light-emitting layer, an electrochromic layer, and a common electrode layer. The driving circuit layer is provided with a first and second driving circuit. The reflective electrode layer is provided on a side of the driving circuit layer away from the base substrate and provided with a first and second reflective electrode insulated from each other. The light-emitting layer includes a light-emitting unit arranged on the surface of the second reflective electrode away from the base substrate. The electrochromic layer is arranged on the surface of the first reflective electrode away from the base substrate. The common electrode layer covers the electrochromic layer and the light-emitting unit.
    Type: Application
    Filed: February 23, 2021
    Publication date: September 2, 2021
    Inventors: Jiawei XU, Qin ZENG, Xintao WU, Qidi WU, Wenjin FAN
  • Patent number: 11096629
    Abstract: The present disclosure is directed to an impedance spectroscopy system for bio-impedance measurement. The impedance spectroscopy system includes a signal generator configured to generate a signal with a broadband frequency spectrum and to generate an analog injection current from the signal with the broadband frequency spectrum. The analog injection current has a high pass frequency characteristic. The impedance spectroscopy system also includes an amplifier configured to measure a voltage signal in response to the analog injection current and to simultaneously measure a biopotential signal. Further, the impedance spectroscopy system includes a processor configured to analyze the voltage signal to derive a bio-impedance spectrum as well to derive further information from the biopotential signal.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: August 24, 2021
    Assignee: Stichting IMEC Nederland
    Inventors: Pieter Harpe, Jiawei Xu
  • Publication number: 20210149525
    Abstract: The present application provides a touch module and a touch screen. The touch module includes a first metal grid layer and a second metal grid layer. First touch electrodes are disposed in the first metal grid layer and arranged along a first direction, and each of the first touch electrodes extends along a second direction which intersects the first direction. Second touch electrodes are disposed in the second metal grid layer and arranged along the second direction, and each of the second touch electrodes extends along the first direction. The touch module further includes a first dummy electrode and a second dummy electrode, where the first dummy electrode is coupled to a part of the second touch electrode in parallel and the second dummy electrode is coupled to a part of the first touch electrode in parallel.
    Type: Application
    Filed: March 31, 2020
    Publication date: May 20, 2021
    Inventors: Jiawei XU, Bisheng LI, Taofeng XIE, Wenjin FAN
  • Publication number: 20210141494
    Abstract: A touch screen, a manufacturing method thereof, and a display device. The touch screen includes: a plurality of mutually independent touch detection regions. Each touch detection region includes a plurality of strip transparent electrodes arranged along a first direction and extending along a second direction, and a plurality of mesh electrodes arranged along the second direction and extending along the first direction. The strip transparent electrodes and the mesh electrodes are insulated from each other, and the second direction is intersected with the first direction. Strip ground electrodes extending along the second direction exist between every two adjacent touch detection regions arranged along the first direction, and the strip ground electrodes and the strip transparent electrodes are disposed on the same layer.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 13, 2021
    Inventors: Chuanwen Zhang, Zhao Dong, Wenjin Fan, Bisheng Li, Jiawei Xu, Baoran Li
  • Patent number: 10928959
    Abstract: A touch screen and a manufacturing method thereof, and a touch display device are provided. The touch screen includes a plurality of touch electrodes and a plurality of first touch lines, the plurality of touch electrodes extending in a same direction, each of the plurality of touch electrodes including a mesh structure formed by a plurality of metal lines, and the touch electrode including a first end and extending from the first end, each of the plurality of first touch lines being located between two adjacent touch electrodes and electrically connected with one of the two adjacent touch electrodes, and the first touch line being electrically connected with the first end of the touch electrode.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: February 23, 2021
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Jiawei Xu, Zhi Zhang, Qin Zeng, Xiao Han, Lei Zhang, Tsung Chieh Kuo
  • Patent number: 10915193
    Abstract: A touch panel, a display device and a manufacturing method of the touch panel are provided, including: a display area and a peripheral area including a bonding area; a first electrode layer and a second electrode layer configured to sense touch and an insulating layer provided between the first electrode layer and the second electrode layer; a first ground wire layer provided in the bonding area on the substrate, the insulating layer including an opening provided on the first ground wire layer, the opening exposing a part of the first ground wire layer; and a second ground wire layer provided on the first insulating layer and the exposed part of the first ground wire layer. The exposed part of the first ground wire layer and the second ground wire layer contact each other in the opening of the insulating layer in the bonding area.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: February 9, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiawei Xu, Lei Zhang, Tsung Chieh Kuo, Qingpu Wang, Xiaoyue He
  • Patent number: 10884562
    Abstract: The present application discloses a touch control display panel including a base substrate; an auxiliary electrode layer on the base substrate; an insulating layer on a side of the auxiliary electrode layer distal to the base substrate; and a first touch electrode layer and a second touch electrode layer on a side of the insulating layer distal to the auxiliary electrode layer. The first touch electrode layer and the auxiliary electrode layer are electrically connected in parallel; and the second touch electrode layer is insulated from the first touch electrode layer and the auxiliary electrode layer.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: January 5, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Xu, Bisheng Li, Lei Zhang, Tsungchieh Kuo
  • Publication number: 20200375484
    Abstract: A light-to-digital converter (2) comprises a light-to-current converter (10); a current integrator (4) with an integrator output (30) resettable to a baseline level; and a counter (18) with a digital output (26), wherein the light-to-current converter (10) is switchably connectable as a positive integration input to the current integrator (4), for, during a light-collecting phase (404-406), integrating a current from the light-to-current converter (10), the integrator output (30) starting from the baseline value and ending at a value to be digitized; a reference current source (14) is switchably connectable as a negative integration input to the current integrator (4), for, during a counting phase (406-408) subsequent to the light-collecting phase (404-406), integrating a reference current from the reference current source (14), the integrator output (30) starting from the value to be digitized and ending at the baseline value, the time spent integrating the reference current corresponding to the value to be
    Type: Application
    Filed: May 28, 2020
    Publication date: December 3, 2020
    Inventors: Qiuyang LIN, Jiawei XU, Shuang SONG, Nick VAN HELLEPUTTE, Filip TAVERNIER
  • Patent number: 10795505
    Abstract: A touch device is provided, which includes an elastic material layer, a photosensitive layer and a touch layer disposed in sequence; wherein a key region is disposed in the touch layer; at least one deformable pad is disposed in the elastic material layer and each of the at least one deformable pad has a plurality of deformable blocks; some or all of the deformable blocks of the deformable pad are deformed so as to vary lights incident on the photosensitive layer in response to a corresponding position of the touch layer being subjected to a pressing operation; an electrical signal at a position of the photosensitive layer corresponding to the pressing operation changes in response to the photosensitive layer sensing a change in lights.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: October 6, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Baoran Li, Yang Liu, Bisheng Li, Wenjin Fan, Jiawei Xu, Taofeng Xie
  • Publication number: 20200285330
    Abstract: A touch screen and a manufacturing method thereof, and a touch display device are provided. The touch screen includes a plurality of touch electrodes and a plurality of first touch lines, the plurality of touch electrodes extending in a same direction, each of the plurality of touch electrodes including a mesh structure formed by a plurality of metal lines, and the touch electrode including a first end and extending from the first end, each of the plurality of first touch lines being located between two adjacent touch electrodes and electrically connected with one of the two adjacent touch electrodes, and the first touch line being electrically connected with the first end of the touch electrode.
    Type: Application
    Filed: September 27, 2017
    Publication date: September 10, 2020
    Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Jiawei Xu, Zhi Zhang, Qin Zeng, Xiao Han, Lei Zhang, Tsung Chieh Kuo
  • Publication number: 20200249793
    Abstract: The present application discloses a touch control display panel including, a base substrate; an auxiliary electrode layer on the base substrate; an insulating layer on a side of the auxiliary electrode layer distal to the base substrate; and a. first touch electrode layer and a second touch electrode layer on a side of the insulating layer distal to the auxiliary electrode layer. The first touch electrode layer and the auxiliary electrode layer are electrically connected in parallel; and the second touch electrode layer is insulated from the first touch electrode layer and the auxiliary electrode layer.
    Type: Application
    Filed: April 14, 2017
    Publication date: August 6, 2020
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Xu, Bisheng Li, Lei Zhang, Tsungchieh Kuo
  • Patent number: 10694971
    Abstract: According to an aspect of the present inventive concept there is provided a reconfigurable sensor circuit comprising: an input stage including a first input terminal and a second input terminal, and an amplification stage including: a first amplifier having a non-inverting input, an inverting input and an output connected to the inverting input of the first amplifier via a first resistor, a second amplifier having a non-inverting input, an inverting input and an output connected to the inverting input of the second amplifier via a second resistor, and first switching circuitry adapted to be arranged in a first state, wherein the amplification stage is in a differential amplifier configuration, and in a second state, wherein the amplification stage is in a transimpedance amplifier configuration, wherein, in the differential amplifier configuration, the first amplifier and the second amplifier are together configured as a differential amplifier connected to the first and the second input terminals, and wh
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: June 30, 2020
    Assignee: Stichting IMEC Nederland
    Inventor: Jiawei Xu
  • Patent number: 10698552
    Abstract: The present disclosure provides a touch substrate and a touch display device. The touch substrate includes: a touch structure, at least a part of which is located in the main touch region; and a connecting member and a wiring, at least partially located in the wiring region, wherein the connecting member is configured to electrically connect the touch structure and the wiring; the connecting member has a hollow portion. Such that, touch sensitivity can be improved.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: June 30, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Qingpu Wang, Lei Zhang, Tsung Chieh Kuo, Zhi Zhang, Jiawei Xu
  • Publication number: 20200187788
    Abstract: A device for read-out of a photoplethysmography (PPG) signal comprises: a photodiode, which is configured to detect a PPG signal, the photodiode comprising a first and a second terminal; and a read-out circuitry for reading out the PPG signal, wherein an input stage is connected to receive a first and a second input signal from the terminals and a DC bias voltage, and wherein the input stage is configured for current sensing to provide a fully differential amplification of the input signals to a first and a second current signal, and wherein an output stage is configured to receive the current signals, wherein the current signals comprise an AC and a DC component of the PPG signal, and wherein the output stage is configured to generate a differential output voltage through a gain component.
    Type: Application
    Filed: December 10, 2019
    Publication date: June 18, 2020
    Inventors: Shuang SONG, Jiawei XU, Roland Van WEGBERG, Nick Van HELLEPUTTE
  • Patent number: D908778
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: January 26, 2021
    Assignee: Shenzhen Leqi Network Technology Co., Ltd
    Inventor: Jiawei Xu
  • Patent number: D911423
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: February 23, 2021
    Assignee: Shenzhen Leqi Network Technology Co., LTD
    Inventors: Jiawei Xu, Xingxing Yuan