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).
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Publication number: 20220350972Abstract: 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: ApplicationFiled: November 4, 2021Publication date: November 3, 2022Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing Xiaomi Pinecone Electronics Co., Ltd.Inventors: Dezhi XU, Wen DAI, Yan LIU, Huiwen LIU, Shuai CHEN
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Patent number: 11356045Abstract: 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: GrantFiled: April 28, 2020Date of Patent: June 7, 2022Assignee: JIANGSU UNIVERSITYInventors: Wenxiang Zhao, Huanan Wang, Tao Tao, Dezhi Xu
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Patent number: 11329258Abstract: 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: GrantFiled: May 23, 2018Date of Patent: May 10, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kui Gong, Xianxue Duan, Cheng Chen, Dezhi Xu, Chengcheng Wang
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Publication number: 20210399664Abstract: 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: ApplicationFiled: April 28, 2020Publication date: December 23, 2021Applicant: JIANGSU UNIVERSITYInventors: Wenxiang ZHAO, Huanan WANG, Tao TAO, Dezhi XU
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Patent number: 11205667Abstract: 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: GrantFiled: May 20, 2019Date of Patent: December 21, 2021Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY, CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kui Gong, Dezhi Xu, Wei Tian, Honggang Gu, Yuhu Zhang
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Publication number: 20210328193Abstract: 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: ApplicationFiled: May 23, 2018Publication date: October 21, 2021Inventors: Kui GONG, Xianxue DUAN, Cheng CHEN, Dezhi XU, Chengcheng WANG
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Patent number: 11137652Abstract: 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: GrantFiled: October 19, 2017Date of Patent: October 5, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Kui Gong, Xianxue Duan, Dezhi Xu
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Patent number: 11088180Abstract: 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: GrantFiled: July 16, 2019Date of Patent: August 10, 2021Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tianzhen Liu, Xianxue Duan, Dezhi Xu
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Publication number: 20210223638Abstract: 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: ApplicationFiled: January 17, 2018Publication date: July 22, 2021Inventors: Kui Gong, Xianxue Duan, Dezhi Xu
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Publication number: 20200350344Abstract: 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: ApplicationFiled: May 20, 2019Publication date: November 5, 2020Inventors: Kui GONG, Dezhi XU, Wei TIAN, Honggang GU, Yuhu ZHANG
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Publication number: 20200257175Abstract: 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: ApplicationFiled: October 19, 2017Publication date: August 13, 2020Inventors: Kui GONG, Xianxue DUAN, Dezhi XU
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Patent number: 10663820Abstract: 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: GrantFiled: December 19, 2013Date of Patent: May 26, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xianxue Duan, Mingji Bai, Dezhi Xu, Zhixiang Zou
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Publication number: 20200152669Abstract: 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: ApplicationFiled: July 16, 2019Publication date: May 14, 2020Inventors: Tianzhen LIU, Xianxue DUAN, Dezhi XU
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Patent number: 10566461Abstract: 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: GrantFiled: March 10, 2017Date of Patent: February 18, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Hui An, Dezhi Xu, Xianxue Duan
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Patent number: 10479914Abstract: 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: GrantFiled: April 28, 2016Date of Patent: November 19, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Dezhi Xu
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Publication number: 20190252417Abstract: 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: ApplicationFiled: May 9, 2018Publication date: August 15, 2019Inventor: Dezhi XU
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Patent number: 10325935Abstract: 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: GrantFiled: July 13, 2018Date of Patent: June 18, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dezhi Xu, Kui Gong
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Publication number: 20190067331Abstract: 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: ApplicationFiled: July 13, 2018Publication date: February 28, 2019Inventors: Dezhi Xu, Kui Gong
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Patent number: 10199236Abstract: 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: GrantFiled: December 15, 2017Date of Patent: February 5, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dezhi Xu, Xianxue Duan, Kui Gong
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Patent number: 10181578Abstract: 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: GrantFiled: December 11, 2015Date of Patent: January 15, 2019Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.Inventors: Rui Li, Dezhi Xu