Patents by Inventor Dezhi Xu

Dezhi 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: 20220350972
    Abstract: Methods, electronic device, and non-transitory computer-readable storage mediums are provided for semantic parsing. The equipment may obtain a first recognition result of a target statement. The first recognition result may include a first intention recognition result and a first entity recognition result. The first entity recognition result may correspond to a plurality of vertical domains. The equipment may also determine one of the plurality of vertical domains corresponding to the first entity recognition result as a target vertical domain corresponding to the target statement according to the first intention recognition result. The equipment may further convert the first entity recognition result into a second entity recognition result in the target vertical domain. The equipment may also parse an intention of the target statement according to the second entity recognition result.
    Type: Application
    Filed: November 4, 2021
    Publication date: November 3, 2022
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing Xiaomi Pinecone Electronics Co., Ltd.
    Inventors: Dezhi XU, Wen DAI, Yan LIU, Huiwen LIU, Shuai CHEN
  • Patent number: 11356045
    Abstract: A double virtual voltage vectors predictive torque control method without weighting factor for five-phase permanent magnet synchronous motor includes: obtaining the current component in the two-phase stationary coordinate system and the outputting voltage at k interval; one step delay compensation is performed to obtain the current component in the two-phase stationary coordinate system at k+1 interval; predicting the flux and torque of motor at k+1 interval; calculating the reference voltage vector needed by the motor at k+1 interval according to the deadbeat principle and selecting the first virtual voltage vector; selecting the second virtual voltage vector according to the voltage error tracking principle and calculating the duration of the first virtual voltage vector and the second virtual voltage vector respectively and then synthesizing the two vectors and outputting.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: June 7, 2022
    Assignee: JIANGSU UNIVERSITY
    Inventors: Wenxiang Zhao, Huanan Wang, Tao Tao, Dezhi Xu
  • Patent number: 11329258
    Abstract: A display panel, a display device and a manufacture method of a display panel are provided. The display panel includes a base substrate, a plurality of pixel units disposed in an array and a total reflection structure. Each of the plurality of pixel units includes a light emitting region and a light emitting device in the light emitting region; and the total reflection structure is disposed on a light exiting side of the light emitting device and surrounds at least a portion of the light emitting region; the total reflection structure includes a main structure and a second structure covering a side, which faces the light emitting device, of the main structure, and a refractive index of the second structure is greater than a refractive index of the main structure.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: May 10, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kui Gong, Xianxue Duan, Cheng Chen, Dezhi Xu, Chengcheng Wang
  • Publication number: 20210399664
    Abstract: A double virtual voltage vectors predictive torque control method without weighting factor for five-phase permanent magnet synchronous motor includes: obtaining the current component in the two-phase stationary coordinate system and the outputting voltage at k interval; one step delay compensation is performed to obtain the current component in the two-phase stationary coordinate system at k+1 interval; predicting the flux and torque of motor at k+1 interval; calculating the reference voltage vector needed by the motor at k±1 interval according to the deadbeat principle and selecting the first virtual voltage vector; selecting the second virtual voltage vector according to the voltage error tracking principle and calculating the duration of the first virtual voltage vector and the second virtual voltage vector respectively and then synthesizing the two vectors and outputting.
    Type: Application
    Filed: April 28, 2020
    Publication date: December 23, 2021
    Applicant: JIANGSU UNIVERSITY
    Inventors: Wenxiang ZHAO, Huanan WANG, Tao TAO, Dezhi XU
  • Patent number: 11205667
    Abstract: Disclosed is a method of preparing a thin film transistor substrate, a thin film transistor substrate, and a display apparatus. The method includes forming a conductive material layer, forming a hydrophobic insulation layer on the conductive material layer, forming a photoresist layer on the hydrophobic insulation layer, patterning the photoresist layer to form a photoresist pattern, removing a segment in the hydrophobic insulation layer that is not covered by the photoresist pattern to form a hydrophobic insulation pattern, and removing a segment in the conductive material layer that is not covered by the hydrophobic insulation pattern to form a conductive pattern.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: December 21, 2021
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY, CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kui Gong, Dezhi Xu, Wei Tian, Honggang Gu, Yuhu Zhang
  • Publication number: 20210328193
    Abstract: A display panel, a display device and a manufacture method of a display panel are provided. The display panel includes a base substrate, a plurality of pixel units disposed in an array and a total reflection structure. Each of the plurality of pixel units includes a light emitting region and a light emitting device in the light emitting region; and the total reflection structure is disposed on a light exiting side of the light emitting device and surrounds at least a portion of the light emitting region; the total reflection structure includes a main structure and a second structure covering a side, which faces the light emitting device, of the main structure, and a refractive index of the second structure is greater than a refractive index of the main structure.
    Type: Application
    Filed: May 23, 2018
    Publication date: October 21, 2021
    Inventors: Kui GONG, Xianxue DUAN, Cheng CHEN, Dezhi XU, Chengcheng WANG
  • Patent number: 11137652
    Abstract: An array substrate and a fabrication method thereof, and a display device are provided. In the array substrate the pixel units includes common electrode, and the common electrodes of adjacent pixel units in the column direction is electrically connected through a first connection portion; the first signal line is located between the adjacent pixel units in the column direction. A total area of the first connection portion between the common electrodes of every two of the pixel units overlapping with the first signal line is a first overlapping area, at least one end of the first signal line is a first signal input end, and the first overlapping areas decrease as minimum distances from the first connection portions to the first signal input end increase in the row direction.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: October 5, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kui Gong, Xianxue Duan, Dezhi Xu
  • Patent number: 11088180
    Abstract: The present disclosure provides a conductive wire structure, a manufacturing method thereof, an array substrate and a display device. The conductive wire structure includes a first conductive wire and a second conductive wire on a first plane, wherein a connection end of the first conductive wire is spaced apart from a connection end of the second conductive wire by a gap so as to discharge charges accumulated on the first conductive wire and the second conductive wire through the gap; an electrical connector connected to the connection end of the first conductive wire and the connection end of the second conductive wire, respectively, wherein a part of the electrical connector is located on a second plane different from the first plane.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: August 10, 2021
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tianzhen Liu, Xianxue Duan, Dezhi Xu
  • Publication number: 20210223638
    Abstract: An array substrate and a manufacturing method thereof, a display panel and a display device are provided. The array substrate includes a plurality of pixel units, at least some of which respectively having a reflective region provided with a reflective layer in a concave-convex shape, wherein a first insulating layer is disposed on a light reflecting side of the reflective layer, and a surface of the first insulating layer adjacent to the reflective layer is in a concave-convex shape conforming to the concave-convex shape of the reflective layer, and a surface of the first insulating layer away from the reflective layer is a planar surface; the at least some of the pixel units further respectively comprise a first electrode and a second electrode which are oppositely disposed in different layers and are spaced apart from each other, and the first electrode is disposed on a side of the first insulating layer away from the reflective layer.
    Type: Application
    Filed: January 17, 2018
    Publication date: July 22, 2021
    Inventors: Kui Gong, Xianxue Duan, Dezhi Xu
  • Publication number: 20200350344
    Abstract: Disclosed is a method of preparing a thin film transistor substrate, a thin film transistor substrate, and a display apparatus. The method includes forming a conductive material layer, forming a hydrophobic insulation layer on the conductive material layer, forming a photoresist layer on the hydrophobic insulation layer, patterning the photoresist layer to form a photoresist pattern, removing a segment in the hydrophobic insulation layer that is not covered by the photoresist pattern to form a hydrophobic insulation pattern, and removing a segment in the conductive material layer that is not covered by the hydrophobic insulation pattern to form a conductive pattern.
    Type: Application
    Filed: May 20, 2019
    Publication date: November 5, 2020
    Inventors: Kui GONG, Dezhi XU, Wei TIAN, Honggang GU, Yuhu ZHANG
  • Publication number: 20200257175
    Abstract: An array substrate and a fabrication method thereof, and a display device are provided. In the array substrate the pixel units includes common electrode, and the common electrodes of adjacent pixel units in the column direction is electrically connected through a first connection portion; the first signal line is located between the adjacent pixel units in the column direction. A total area of the first connection portion between the common electrodes of every two of the pixel units overlapping with the first signal line is a first overlapping area, at least one end of the first signal line is a first signal input end, and the first overlapping areas decrease as minimum distances from the first connection portions to the first signal input end increase in the row direction.
    Type: Application
    Filed: October 19, 2017
    Publication date: August 13, 2020
    Inventors: Kui GONG, Xianxue DUAN, Dezhi XU
  • Patent number: 10663820
    Abstract: A method for manufacturing a display substrate includes a step of forming a pattern of a barrier layer and a pattern of a first electrode. The step of forming the pattern of the barrier layer and the pattern of the first electrode includes: forming a barrier layer film and a first electrode film sequentially; and forming the pattern of the barrier layer and the pattern of the first electrode by a single patterning process.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: May 26, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xianxue Duan, Mingji Bai, Dezhi Xu, Zhixiang Zou
  • Publication number: 20200152669
    Abstract: The present disclosure provides a conductive wire structure, a manufacturing method thereof, an array substrate and a display device. The conductive wire structure includes a first conductive wire and a second conductive wire on a first plane, wherein a connection end of the first conductive wire is spaced apart from a connection end of the second conductive wire by a gap so as to discharge charges accumulated on the first conductive wire and the second conductive wire through the gap; an electrical connector connected to the connection end of the first conductive wire and the connection end of the second conductive wire, respectively, wherein a part of the electrical connector is located on a second plane different from the first plane.
    Type: Application
    Filed: July 16, 2019
    Publication date: May 14, 2020
    Inventors: Tianzhen LIU, Xianxue DUAN, Dezhi XU
  • Patent number: 10566461
    Abstract: A thin film transistor and a method for manufacturing the same, an array substrate, and a display device are provided in embodiments of the disclosure. The method for manufacturing a thin film transistor in embodiments of the disclosure forms a plurality of strip-shaped protrusions on a substrate by a patterning process before forming structures of various layers of the thin film transistor, and then forms sequentially a gate electrode, a gate insulating layer, an active layer, a source-drain electrode on the plurality of strip-shaped protrusions; in other words, the thin film transistor is prepared, whose channels are aligned with and shaped to be similar to the plurality of strip-shaped protrusions, in a widthwise direction thereof.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: February 18, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Hui An, Dezhi Xu, Xianxue Duan
  • Patent number: 10479914
    Abstract: The present disclosure provides a conductive particle and a preparation method thereof, a conductive adhesive and a display device. The preparation method comprises steps of: forming cores; dispersing the spherical cores in deionized water and adding organic polymeric monomers so as to form a reaction solution; radiating the reaction solution with ? rays so that the organic polymeric monomers are polymerized on surfaces of the cores so as to form organic polymers; separating the spherical cores formed with the organic polymers on their surfaces from the reaction solution so as to obtain them; successively carrying out preoxidation and carbonization treatment on the cores formed with the organic polymers on their surfaces so that the organic polymers form a conductive layer consisting of carbon particles so as to obtain conductive particles each consisting of the conductive layer and the core.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: November 19, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Dezhi Xu
  • Publication number: 20190252417
    Abstract: The present disclosure provides a preparation method for an array substrate, an array substrate, and a display device. The preparation method for an array substrate comprises: forming an insulating material layer on a substrate; forming a first conductive material layer on the insulating material layer, and performing a patterning process on the first conductive material layer to form a plurality of signal lines arranged in an array.
    Type: Application
    Filed: May 9, 2018
    Publication date: August 15, 2019
    Inventor: Dezhi XU
  • Patent number: 10325935
    Abstract: This disclosure discloses a display panel, a production method thereof, and a display apparatus. This method comprises: forming a pattern of a first metal layer on a base substrate and a pattern of a metal oxide conductive layer being electrically connected to the first metal layer by at least one through hole at a side of the first metal layer away from the base substrate; forming a reductive metal compound layer on a surface of the first metal layer at a side away from the base substrate before forming the pattern of the metal oxide conductive layer; treating the reductive metal compound layer and the metal oxide conductive layer after forming the pattern of the metal oxide conductive layer so that the reductive metal compound layer is oxidized into a second metal layer and metal particles are produced at the surface of the metal oxide conductive layer.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: June 18, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Dezhi Xu, Kui Gong
  • Publication number: 20190067331
    Abstract: This disclosure discloses a display panel, a production method thereof, and a display apparatus. This method comprises: forming a pattern of a first metal layer on a base substrate and a pattern of a metal oxide conductive layer being electrically connected to the first metal layer by at least one through hole at a side of the first metal layer away from the base substrate; forming a reductive metal compound layer on a surface of the first metal layer at a side away from the base substrate before forming the pattern of the metal oxide conductive layer; treating the reductive metal compound layer and the metal oxide conductive layer after forming the pattern of the metal oxide conductive layer so that the reductive metal compound layer is oxidized into a second metal layer and metal particles are produced at the surface of the metal oxide conductive layer.
    Type: Application
    Filed: July 13, 2018
    Publication date: February 28, 2019
    Inventors: Dezhi Xu, Kui Gong
  • Patent number: 10199236
    Abstract: A thin film transistor, a manufacturing method thereof, and a method for manufacturing an array substrate are provided. The method for manufacturing the thin film transistor includes: forming an active layer film on a base; and forming a source electrode and a drain electrode of the thin film transistor using a conductive photoresist.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: February 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Dezhi Xu, Xianxue Duan, Kui Gong
  • Patent number: 10181578
    Abstract: An organic light-emitting diode (OLED) display device, a manufacturing method thereof and a display device are disclosed. The OLED device includes: a first substrate; an OLED disposed on the first substrate; at least one encapsulation layer disposed on the OLED; a bonding layer disposed on the at least one encapsulation layer; and a second substrate disposed on the bonding layer. A concave-convex structure is provided on at least one surface of the at least one encapsulation layer. The OLED display device can reduce the damage of moisture and oxygen on the OLED device and improve the moisture and oxygen resistance of the OLED device.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: January 15, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Rui Li, Dezhi Xu