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: 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: 10656769
    Abstract: A touch display device and a method for forming the same are provided. The touch display device includes a touch panel and a display panel arranged opposite to the touch panel to form a cell, where a deformable layer is arranged between the touch panel and the display panel and configured to be deformed in response to a pressure applied to the touch panel; a plurality of first electrodes is arranged at a side of the touch panel adjacent to the display panel; a plurality of second electrodes is arranged at a side of the display panel adjacent to the touch panel; the first electrodes and the second electrodes are arranged in a one-to-one correspondence manner, and each second electrode and the corresponding first electrode form a pressure sensing capacitor; where the touch display device further includes a pressure sensing module configured to detect a capacitance change of the pressure sensing capacitor and determine a value of the pressure applied to the touch panel based on the capacitance change.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: May 19, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Xu, Baoran Li, Bisheng Li, Lei Zhang, Tsungchieh Kuo
  • Publication number: 20200142538
    Abstract: The present disclosure provides a touch substrate and a touch display device. The touch substrate includes: a touch structure (10), at least a part of which is located in the main touch region (02); and a connecting member (50) and a wiring, at least partially located in the wiring region (01), wherein the connecting member (50) is configured to electrically connect the touch structure (10) and the wiring (01); the connecting member (50) has a hollow portion. Such that, touch sensitivity can be improved.
    Type: Application
    Filed: July 31, 2017
    Publication date: May 7, 2020
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Qingpu WANG, Lei ZHANG, Tsung Chieh KUO, Zhi ZHANG, Jiawei XU
  • Patent number: 10642429
    Abstract: The present disclosure provides a touch component, a method for manufacturing the touch component and a touch screen. The touch component includes a first metal mesh layer and a second metal mesh layer which are opposite to each other, the first metal mesh layer including a plurality of first touch channel areas, the first virtual wiring area including a plurality of first virtual wiring openings, the second metal mesh layer including a plurality of second touch channel areas and a plurality of second virtual wiring areas, the second virtual wiring area including a plurality of second virtual wiring openings. A projection of at least part of the first virtual wiring opening on the second metal mesh layer intersects with a grid line of the second metal mesh layer.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: May 5, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Jiawei Xu, Qicheng Chen, Jun Li, Lei Zhang, Tsung Chieh Kuo
  • Publication number: 20200040481
    Abstract: A silicon wafer horizontal growth apparatus comprises a casing forming a cavity; a crucible within the cavity and having a melting zone, an overflow port, a first and a second overflow surface; a feeding assembly for adding raw material to the melting zone at an adjustable rate; a heating assembly comprising two movable heaters disposed on the upper and lower sides of the crucible at an interval; a thermal insulation component for maintaining a temperature in the cavity; a gas flow assembly comprising a jet located above the second overflow surface, a gas conductive graphite member mounted on the bottom of the crucible, a quartz exhaust tube connected with the gas conductive graphite member, and a quartz cooling tube outside the exhaust tube; and a heat insulating baffle located above the second overflow surface for isolating the heating assembly from the jet, dividing the cavity into hot and cold zones.
    Type: Application
    Filed: October 14, 2019
    Publication date: February 6, 2020
    Inventors: Jianning DING, Ningyi YUAN, Jiawei XU, Dapeng SHEN, Xiaodong XU, Tao SUN, Shubo WANG
  • Publication number: 20190377450
    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: Application
    Filed: August 22, 2019
    Publication date: December 12, 2019
    Inventors: Jiawei XU, Lei ZHANG, Tsung Chieh KUO, Qingpu WANG, Xiaoyue HE
  • Patent number: 10502998
    Abstract: Embodiments of the present invention disclose a touch sensor, a method of manufacturing the touch sensor, and a touch screen and an electronic product which include the touch sensor. The touch sensor includes: a substrate; a blocking pattern formed on the substrate; and a metal bridge. The blocking pattern is formed in a region corresponding to the metal bridge on the substrate and is configured to block the metal bridge.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: December 10, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Xu, Lei Zhang, Tsung-Chieh Kuo, Ming Hu
  • Publication number: 20190354240
    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: Application
    Filed: July 31, 2017
    Publication date: November 21, 2019
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Qingpu WANG, Lei ZHANG, Tsung Chieh KUO, Zhi ZHANG, Jiawei XU
  • Patent number: 10444879
    Abstract: A touch electrode structure and a touch display panel are provided. The touch electrode structure includes a plurality of first touch electrodes and a plurality of second touch electrodes. The plurality of first touch electrodes are extending along a first direction, each of the first touch electrodes has a shape of a polygon and includes a plurality of first edges, a range of an angle between an extension direction of each of the first edges and the first direction is 20 to 25 degrees; the plurality of second touch electrodes are extending along a second direction, each of the second touch electrodes has a shape of a polygon and includes a plurality of second edges, a range of an angle of an extension direction of each of the second edges and the second direction is 20 to 25 degrees.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: October 15, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Zhun Wang, Jun Xu, Lei Zhang, Jiawei Xu
  • Patent number: 10429975
    Abstract: A touch panel, a display device and a manufacturing method of the touch panel are provided. The touch panel includes: a first electrode layer and a second electrode layer configured to sense a touch; an insulating layer located between the first electrode layer and the second electrode layer; a first ground wire disposed on a side of the insulating layer facing the first electrode layer; and a second ground wire disposed on a side of the insulating layer facing the second electrode layer. The first ground wire or the second ground wire is electrically connected with a grounding terminal. The insulating layer is provided with a ground wire vias through which the first ground wire and the second ground wire are electrically connected with each other.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: October 1, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Xu, Lei Zhang, Tsung Chieh Kuo, Qingpu Wang, Xiaoyue He
  • Patent number: 10386958
    Abstract: A display device includes a substrate. The substrate includes a substratum. The substratum includes a main touch control area which includes a plurality of first touch control electrodes and a plurality of second touch control electrodes that are insulated from each other and intersect with each other. A first dummy electrode is disposed between the adjacent first touch control electrodes, and is electrically connected to the first touch control electrodes which are adjacent to the first dummy electrode. A second dummy electrode is disposed between the adjacent second touch control electrodes, and is electrically connected to the second touch control electrodes which are adjacent to the second dummy electrode. The material of the first dummy electrode and the second dummy electrode is photosensitive resistive material that is sensitive to light of a specific wavelength band, and both the first dummy electrode and the second dummy electrode are transparent.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: August 20, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Xu, Lei Zhang, Tsung Chieh Kuo, Baoran Li, Qingpu Wang
  • Publication number: 20190250729
    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: Application
    Filed: September 28, 2018
    Publication date: August 15, 2019
    Inventors: Baoran Li, Yang Liu, Bisheng Li, Wenjin Fan, Jiawei Xu, Taofeng Xie
  • Patent number: 10318033
    Abstract: The present application discloses a touch substrate including a base substrate; a transparent touch electrode layer on the base substrate; and an anti-reflective layer on a side of the transparent touch electrode layer distal to the base substrate. The anti-reflective layer includes a first sub-layer on a side of the transparent touch electrode layer distal to the base substrate; a second sub-layer on a side of the first sub-layer distal to the transparent touch electrode layer; and a third sub-layer on a side of the second sub-layer distal to the first sub-layer. The first sub-layer, the second sub-layer, and the third sub-layer are laminated together. The second sub-layer has a refractive index greater than those of the first sub-layer and the third sub-layer.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: June 11, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINXHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Xu, Lei Zhang, Tsung Chieh Kuo, Wenjin Fan, Chaoke Zhang
  • Patent number: 10318039
    Abstract: A pressure-sensitive touch panel, a method for manufacturing the pressure-sensitive touch panel, and a touch display screen are provided. The pressure-sensitive touch panel includes a substrate and a touch sensor and a pressure sensor arranged on the substrate. The touch sensor includes a first electrode and a second electrode, and the pressure sensor includes an upper electrode, a lower electrode and a dielectric layer arranged between the upper electrode and the lower electrode. The upper electrode and the first electrode are arranged in the same layer and formed of the same material, the lower electrode and the second electrode are arranged in the same layer and formed of the same material, and the dielectric layer is formed of an elastic insulation material.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: June 11, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Xu, Qingpu Wang, Youlu Li
  • Patent number: 10310651
    Abstract: The present disclosure provides a touch screen and a method for manufacturing the touch screen as well as a display device. The touch screen comprises a substrate, a conductive film layer and an insulating layer which are sequentially stacked, wherein the insulating layer is provided, on its surface away from the substrate, with protruding structures that are configured to increase the area of the surface of the insulating layer.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: June 4, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Xu, Gaoliang Shi, Lei Zhang, Tsungchieh Kuo, Ming Hu
  • Publication number: 20190146605
    Abstract: The present disclosure provides a touch component, a method for manufacturing the touch component and a touch screen. The touch component includes a first metal mesh layer and a second metal mesh layer which are opposite to each other, the first metal mesh layer including a plurality of first touch channel areas, the first virtual wiring area including a plurality of first virtual wiring openings, the second metal mesh layer including a plurality of second touch channel areas and a plurality of second virtual wiring areas, the second virtual wiring area including a plurality of second virtual wiring openings. A projection of at least part of the first virtual wiring opening on the second metal mesh layer intersects with a grid line of the second metal mesh layer.
    Type: Application
    Filed: August 8, 2018
    Publication date: May 16, 2019
    Inventors: Jiawei Xu, Qicheng Chen, Jun Li, Lei Zhang, Tsung Chieh Kuo
  • Publication number: 20180373369
    Abstract: A touch panel, a display device and a manufacturing method of the touch panel are provided. The touch panel includes: a first electrode layer and a second electrode layer configured to sense a touch; an insulating layer located between the first electrode layer and the second electrode layer; a first ground wire disposed on a side of the insulating layer facing the first electrode layer; and a second ground wire disposed on a side of the insulating layer facing the second electrode layer. The first ground wire or the second ground wire is electrically connected with a grounding terminal. The insulating layer is provided with a ground wire vias through which the first ground wire and the second ground wire are electrically connected with each other.
    Type: Application
    Filed: July 14, 2017
    Publication date: December 27, 2018
    Inventors: Jiawei XU, Lei ZHANG, Tsung Chieh KUO, Qingpu WANG, Xiaoyue HE