Patents by Inventor Xuefeng Chen

Xuefeng Chen 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).

  • Patent number: 11188694
    Abstract: The invention discloses a dynamic simulation method of circulating temperature variation in RMR subsea pump mud-lift drilling system, including steps: obtaining operating parameters, environmental parameters, well structure parameters and thermal parameters of target well; establishing temperature control equation of drill string in seawater section, temperature control equation of drill string in formation section, temperature control equation of annulus in formation section, and temperature control equation of return pipe in seawater section; re-determining initial and boundary conditions; discretizing spatial structure of the whole system with inner node method; discretizing control equations on corresponding nodes; substituting corresponding parameters into discrete expressions to obtain circulating temperature in drill string of seawater section, circulating temperature in drill string of formation section, circulating temperature in annulus of formation section, and circulating temperature in return pip
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: November 30, 2021
    Assignee: SOUTHWEST PETROLEUM UNIVERSITY
    Inventors: Xin Li, Jie Zhang, Cuinan Li, Peigang Wang, Xuefeng Sun, Xiaoxiao Du, Weilin Chen, Lin Chen
  • Patent number: 11190007
    Abstract: Disclosed is a fault current controller for a direct current power grid, which includes a primary circuit and a controller. The primary circuit includes an inductor, a filter capacitor, a resistor, an IGBT switch, a diode, a contactor and a Hall current sensor. The inductor, a first resistor and a second contactor are connected in series and are connected to a first contactor in parallel. A first branch including a second resistor and a first diode, a second branch including a third resistor and a second diode, and the inductor are connected in parallel; the filter capacitor, the IGBT switch and the first resistor are connected in parallel. The Hall current sensor is arranged in the series circuit. The controller controls the IGBT switch and the two contactors in the primary circuit to form different on-off combinations.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: November 30, 2021
    Assignees: STATE GRID JIANGSU ELECTRIC POWER CO., LTD., STATE GRID JIANGSU ELECTRIC POWER CO., LTD. RESEARCH INSTITUTE, STATE GRID CORPORATION OF CHINA, JIANGSU ELECTRIC POWER RESEARCH INSTITUTE CO., LTD.
    Inventors: Chenyu Zhang, Yubo Yuan, Jinggang Yang, Shu Chen, Xiaodong Yuan, Jian Liu, Mingming Shi, Qun Li, Xuefeng Ge, Huiyu Miao, Ruihuang Liu, Yunlong Jiang
  • Patent number: 11183105
    Abstract: The present disclosure provides a display panel and device, an image processing method and device, and a virtual reality system. The display panel includes: a first display area; and at least one second display area surrounding the first display area, a number of sub-pixels per unit area in the first display area being greater than a number of sub-pixels per unit area in the at least one second display area.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: November 23, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xi Li, Yuanjie Lu, Jinghua Miao, Bin Zhao, Xuefeng Wang, Yukun Sun, Jianwen Suo, Qingwen Fan, Wenyu Li, Jinbao Peng, Zhifu Li, Lili Chen, Jiankang Sun
  • Patent number: 11182070
    Abstract: A method for displaying a graphical user interface (GUI) based on a gesture includes displaying a first GUI on the touchscreen, where the first GUI includes two or more entries, and the entry includes at least two interface elements; receiving, by the electronic device, a first gesture of a user on the touchscreen; and displaying a second GUI on the touchscreen in response to the first gesture, where the second GUI includes two or more entries, and the entry includes at least one interface element, where a quantity of entries in the second GUI is greater than a quantity of entries in the first GUI, and a quantity of interface elements in the second GUI is less than a quantity of interface elements in the first GUI.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: November 23, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xi Chen, Xuefeng Li
  • Publication number: 20210358427
    Abstract: An image processing method, a backlight brightness adjustment method, an image processing system, and a computer readable storage medium are provided. The image processing method includes: acquiring a display image; dividing the display image to obtain one or more initial local regions; calculating an average brightness value of each of the one or more initial local regions respectively; acquiring an output image according to the average brightness value of each of the one or more initial local regions and the display image.
    Type: Application
    Filed: October 31, 2018
    Publication date: November 18, 2021
    Inventors: Xuefeng WANG, Yukun SUN, Jinghua MIAO, Lili CHEN, Hao ZHANG, Bin ZHAO, Lixin WANG, Xi LI, Jianwen SUO, Wenyu LI, Jinbao PENG, Qingwen FAN, Yuanjie LU, Yali LIU, Chenru WANG, Jiankang SUN
  • Publication number: 20210358200
    Abstract: The present disclosure relates to an image rendering method for a computer product coupled to a display apparatus. The image rendering method may include rendering an entire display region of the display apparatus with a first rendering mode to generate a first rendering mode sample image, determining a target region in the entire display region, rendering the target region with a second rendering mode to generate a second rendering mode sample image, and transmitting data of the first rendering mode sample image and the second rendering mode sample image. The second rendering mode comprises at least a value of an image rendering feature that is higher than that of the first rendering mode.
    Type: Application
    Filed: September 6, 2018
    Publication date: November 18, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuefeng Wang, Yukun Sun, Bin Zhao, Lixin Wang, Xi Li, Jianwen Suo, Wenyu Li, Qingwen Fan, Jinbao Peng, Yuanjie Lu, Yali Liu, Chenru Wang, Jiankang Sun, Hao Zhang, Lili Chen, Jinghua Miao
  • Publication number: 20210351812
    Abstract: A signal transceiver apparatus includes: a first communication module and a second communication module; a first switch connected to a first terminal of the first communication module and a first terminal of the second communication module, respectively; a second switch connected to a second terminal of the first communication module, and a first antenna structure connected to the second switch; a third switch connected to a second terminal of the second communication module, and a second antenna structure connected to the third switch, wherein, The first communication module corresponds to a first transmitting link and two receiving links, the second communication module corresponds to a second transmitting link and the two receiving links.
    Type: Application
    Filed: July 21, 2021
    Publication date: November 11, 2021
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Fangsheng CHEN, Xuefeng SHENG
  • Publication number: 20210333870
    Abstract: An image rendering method, device, and system, a storage medium, and an image display method are provided. The image rendering method includes: acquiring an image to be displayed; according to a gaze point of human eyes on a display screen, obtaining a gaze point position on the image to be displayed; determining, according to the gaze point position, a first sampling area and a second sampling area of the image to be displayed; performing first resolution sampling on the first sampling area to obtain a first display area; performing second resolution sampling on the image to be displayed to obtain a second display area corresponding to the second sampling area, a resolution of the second sampling area being greater than that of the second display area; and splicing the first display area and the second display area to obtain an output image to be transmitted to the virtual reality device.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 28, 2021
    Inventors: Xuefeng WANG, Yukun SUN, Jinghua MIAO, Lili CHEN, Hao ZHANG, Bin ZHAO, Lixin WANG, Xi LI, Jianwen SUO, Wenyu LI, Jinbao PENG, Qingwen FAN, Yuanjie LU, Chenru WANG, Yali LIU, Jiankang SUN
  • Publication number: 20210335295
    Abstract: A display device, a virtual reality equipment, and a driving method are disclosed. The driving method is configured to drive a display device, and the display device includes a display array and a light valve array. The display array includes rows of sub-pixels, the light valve array includes a plurality of sub light valves, respective one sub light valve of the plurality of sub light valves corresponds to at least one row of sub-pixels, and the light valve array is on a light-emitting side of the display array. The driving method includes: any sub-pixel in the at least one row of sub-pixels being in a response phase of a display operation, the respective one sub light valve being in a light-shielding state, and the respective one sub light valve corresponding to the at least one row of sub-pixels.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 28, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bin ZHAO, Lili CHEN, Hao ZHANG, Jinghua MIAO, Yukun SUN, Xuefeng WANG, Lixin WANG, Xi LI, Jianwen SUO, Ruifeng QIN, Ziqiang GUO, Guixin YAN
  • Publication number: 20210327093
    Abstract: The present disclosure is related to an image processing method of virtual reality. The image processing method may include obtaining position information of a gaze point; performing a compression process on an original image to obtain a compressed image based on the position information of the gaze point; performing a compression process on a distorted image of the original image in an lens to obtain a compressed distorted image based on the position information of the gaze point; and performing an anti-distortion process on the compressed image to obtain an anti-distortion image based on a relationship between the compressed image and the compressed distorted image. The position information of the gaze point may be position information of a gaze point of a user's eye on an original image.
    Type: Application
    Filed: August 15, 2018
    Publication date: October 21, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinghua Miao, Hao Zhang, Lili Chen, Yukun Sun, Yali Liu, Xi Li, Bin Zhao, Xuefeng Wang, Lixin Wang, Jianwen Suo, Wenyu Li, Ziqiang Guo, Ruifeng Qin, Guixin Yan, Feng Pan
  • Patent number: 11150802
    Abstract: A method for displaying a graphical user interface (GUI) based on a gesture includes displaying a first GUI on the touchscreen, where the first GUI includes two or more entries, and the entry includes at least two interface elements; receiving, by the electronic device, a first gesture of a user on the touchscreen; and displaying a second GUI on the touchscreen in response to the first gesture, where the second GUI includes two or more entries, and the entry includes at least one interface element, where a quantity of entries in the second GUI is greater than a quantity of entries in the first GUI, and a quantity of interface elements in the second GUI is less than a quantity of interface elements in the first GUI.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: October 19, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xi Chen, Xuefeng Li
  • Patent number: 11146451
    Abstract: A SDN orchestration method includes: obtaining a first request for creating a first logical switch; creating a control plane instance of the first logical switch, and sending first configuration information to instruct the first forwarding device to configure the data plane instance of the first logical switch; obtaining a second request for connecting the first logical switch to a first logical router; sending second configuration information to instruct the first forwarding device to configure a first port of the data plane instance of the first logical switch to be communicatively connected to a second port of a data plane instance of the first logical router on the second forwarding device configured with the data plane instance of the first logical router; and sending third configuration information to instruct the second forwarding device to configure the second port to be communicatively connected to the first port.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: October 12, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhifeng Chen, Xuefeng Wu, Weisheng Wang, Chenghao Li
  • Patent number: 11136315
    Abstract: A compound as a CXCR2 antagonist and an application thereof in preparing a drug as a CXCR2 antagonist. In particular, the present invention relates to a compound represented by formula (II) or an isomer or pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: October 5, 2021
    Assignee: MEDSHINE DISCOVERY INC.
    Inventors: Bin Chen, Xiawei Wei, Xuefeng Sun, Lei Zhang, Zhaoying Xu, Wenli Li, Peng Zhang, Feng Gao, Yunfu Luo, Jian Li, Shuhui Chen
  • Patent number: 11137619
    Abstract: A display device for virtual reality, a viewing device for virtual reality and a head-mounted display apparatus are provided. The display apparatus includes: a display panel; a first polarizer which is disposed on a first surface of the display panel and includes a plurality of first regions and a plurality of second regions, the plurality of first regions and the plurality of second regions being alternately distributed in a first direction, wherein a polarization direction of each of the plurality of first regions is perpendicular to a polarization direction of each of the plurality of second regions.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: October 5, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenyu Li, Yukun Sun, Yali Liu, Hao Zhang, Lili Chen, Jinghua Miao, Xuefeng Wang, Xi Li, Bin Zhao, Lixin Wang, Jianwen Suo, Qingwen Fan, Jinbao Peng
  • Publication number: 20210298201
    Abstract: The present disclosure provides a cooling casing and a cooling device applied to a vehicle and an in-vehicle server. The cooling device applied to the in-vehicle server includes: a first housing and a second housing, an accommodating cavity is formed between the first housing and the second housing; and a cooling duct, the cooling duct being spirally disposed in the accommodating cavity, two ends of the cooling duct are connected to an external cooling system, and the cooling duct is filled with cooling liquid. The present disclosure is simple in structure and low in costs, and can effectively resolve the heat dissipation problem of the in-vehicle server.
    Type: Application
    Filed: September 23, 2020
    Publication date: September 23, 2021
    Applicants: Inventec (Pudong) Technology Corporation, INVENTEC CORPORATION
    Inventors: Dong-rui Xue, Xuefeng CHEN, Pinyi XIANG
  • Publication number: 20210291617
    Abstract: The present disclosure provides an ambient temperature control system and method for a startup of an in-vehicle server and a vehicle. The ambient temperature control system includes: a temperature detection module, disposed in an in-vehicle server, and detecting an ambient temperature of the in-vehicle server; and a temperature control module, connected with the temperature detection module, and controlling a vehicle air conditioner according to the ambient temperature detected by the temperature detection module, so as to adjust the ambient temperature of the in-vehicle server by using the vehicle air conditioner. Based on the above, in the present disclosure, an ambient temperature of the in-vehicle server is adjusted by using conditioned air of an automobile, so that the in-vehicle server is at a suitable ambient temperature, thereby ensuring a successful startup and smooth running of the in-vehicle server.
    Type: Application
    Filed: September 23, 2020
    Publication date: September 23, 2021
    Applicants: Inventec (Pudong) Technology Corporation, INVENTEC CORPORATION
    Inventors: Debin QI, Pinyi XIANG, Xuefeng CHEN, Dong-rui XUE
  • Publication number: 20210291618
    Abstract: The present disclosure provides a liquid cooling seal box, a box cover thereof, and an in-vehicle cooling system. The liquid cooling seal box includes a sealed heat conduction box body, an inner cavity of the heat conduction box body includes a heating device and an insulating liquid in which the heating device is immersed, the insulating liquid absorbs heat of the heating device and vaporizes, vaporized steam rises to the top of the inner cavity of the heat conduction box body to be cooled and liquefied, and a liquefied insulating liquid falls back into the insulating liquid at the bottom of the inner cavity. The liquid cooling seal box of the present disclosure resolves problems of reliability, harsh environment, balance of volume and computation power, etc., is suitable for an in-vehicle system, and may implement stable and reliable running of a server in an in-vehicle environment.
    Type: Application
    Filed: September 23, 2020
    Publication date: September 23, 2021
    Applicants: Inventec (Pudong) Technology Corporation, INVENTEC CORPORATION
    Inventors: Dong-rui Xue, Raijin LI, Xuefeng CHEN, Pinyi XIANG
  • Patent number: 11127126
    Abstract: Disclosed is an image processing method, including: determining coordinate values of one or more target pixels in an image, wherein the target pixels are used for dividing the image; carrying out a mapping operation on the coordinate values of the one or more target pixels to obtain first pixel data; reading the image to obtain second pixel data; and combining the first pixel data and the second pixel data to obtain a combined image.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: September 21, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xi Li, Hao Zhang, Lili Chen, Yukun Sun, Jinghua Miao, Xuefeng Wang, Jinbao Peng, Bin Zhao, Jianwen Suo, Lixin Wang, Qingwen Fan, Wenyu Li, Yuanjie Lu
  • Patent number: 11125882
    Abstract: A laser pulse sampling and detecting circuit includes: a laser driver which is driven by a triggering signal for generating laser pulse signal; a photoelectric converter for converting the laser pulse signal into current pulse signal; an amplifier for amplifying and converting the current pulse signal into voltage pulse signal; an ADC which is driven by a sampling clock signal for sampling the voltage pulse signal and performing analog-to-digital conversion on the voltage pulse signal, so as to obtain output signal of the ADC; a detector for detecting the output signal of the ADC, so as to obtain peak power and FWHM of the laser pulse signal; and a clock generator for generating the sampling clock signal. Phase of the sampling clock signal consecutively changes with respect to the triggering signal.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: September 21, 2021
    Assignee: PHOTONIC TECHNOLOGIES (SHANGHAI) CO., LTD.
    Inventors: Xuefeng Chen, Yuwei Wang, Yuan Li, Tao Xia, Yifan Wu, Pei Jiang
  • Patent number: 11120562
    Abstract: The present disclosure provides a posture estimation method, a posture estimation apparatus, and a computer readable storage medium. Here, the posture estimation method includes: calculating an angular velocity control amount at a current moment based on a measured acceleration value and an estimated acceleration value at the current moment; correcting the measured angular velocity value at the current moment according to the calculated angular velocity control amount to obtain the corrected angular velocity value at the current moment; and obtaining an estimated posture quaternion value at a next moment according to the corrected angular velocity value obtained by calculation and an estimated posture quaternion value at the current moment.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: September 14, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zehua Dong, Minglei Chu, Lili Chen, Hao Zhang, Jiankang Sun, Yukun Sun, Jinghua Miao, Zhifu Li, Xuefeng Wang, Hongzhen Xue