Patents by Inventor Qian Xu

Qian 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).

  • Patent number: 11380859
    Abstract: A display panel and a display device are provided. The display panel includes a main display region, a first bendable region, a second bendable region, and a first hollow region. The first bendable region and the main display region are connected to each other and arranged along a first direction. The first bendable region is capable of being bent away from a light-exiting surface of the display panel through a first bending axis. The second bendable region and the main display region are connected to each other and arranged along a second direction. The second direction intersects the first direction. The second bendable region is capable of being bent away from the light-exiting surface of the display panel through a second bending axis. An intersection point of extension lines of the first bending axis and the second bending axis is located in the first hollow region.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: July 5, 2022
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Fei Teng, Xin Dai, Jiang Chen, Qian Xu
  • Publication number: 20220208754
    Abstract: The present application relates to electrostatic protection circuit, integrated circuit and electrostatic discharge method.
    Type: Application
    Filed: March 10, 2021
    Publication date: June 30, 2022
    Inventor: Qian XU
  • Publication number: 20220205076
    Abstract: A mask sheet for evaporation on a substrate is provided, and the mask sheet includes: a plurality of first ribs extending in a first direction; and a plurality of second ribs extending in a second direction intersecting the first direction, the mask sheet includes a first region for an evaporation of a first exposure region of the substrate and a second region for an evaporation of a second exposure region of the substrate, a third rib is provided at a boundary of the first region and the second region so as to shield an overlapping exposure region between the first exposure region and the second exposure region, the third rib includes a first sub-rib, a second sub-rib, and a spacer for separating the first sub-rib and the second sub-rib, and the third rib has a width greater than that of the first rib.
    Type: Application
    Filed: December 25, 2020
    Publication date: June 30, 2022
    Inventors: Tong Niu, Fengli Ji, Chang Luo, Qian Xu, Guomeng Zhang, Yan Huang, Jianbo Li
  • Publication number: 20220200625
    Abstract: Methods and apparatus are provided for unified significance map coding. An apparatus includes a video encoder (400) for encoding transform coefficients for at least a portion of a picture. The transform coefficients are obtained using a plurality of transforms. One or more context sharing maps are generated for the transform coefficients based on a unified rule. The one or more context sharing maps are for providing at least one context that is shared among at least some of the transform coefficients obtained from at least two different ones of the plurality of transforms.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Inventors: Xiaoan LU, Joel SOLE, Peng YIN, Qian XU, Yunfei ZHENG
  • Publication number: 20220172870
    Abstract: Provided are a support apparatus and a flexible device. The support apparatus comprises a support substrate, an electromagnetic support cavity array which is located on the support substrate and includes a plurality of electromagnetic support cavities, a plurality of magnetic field generation circuits, and a control module, where the magnetic field generation circuits are electrically connected to the control module, and the control module is configured to control the plurality of magnetic field generation circuits to generate magnetic fields to make the electromagnetic support cavities deform along a direction perpendicular to a plane in which the support substrate is located. Through the scheme, the electromagnetic support cavity array is provided on the support substrate, and the magnetic field generation circuits are controlled by the control module to generate magnetic fields.
    Type: Application
    Filed: February 26, 2021
    Publication date: June 2, 2022
    Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Qifeng ZHU, Qian Xu
  • Patent number: 11339253
    Abstract: A method for preparing comb structure temperature/pH-responsive polycarboxylic acid by end-group functionalization adopts temperature/pH-responsive monomer, unsaturated halogenated hydrocarbon, small monomer of carboxylic acid and other raw materials to prepare polycarboxylic acid material via self-polymerization, substitution and copolymerization. Temperature/pH-responsive monomers are first self-polymerized to obtain temperature/pH-responsive polymer chain with end-group functionalization, and then substitution with unsaturated halogenated hydrocarbons is conducted to obtain temperature/pH-responsive macromonomers with end-group functionalization, finally the obtained product is copolymerized with small carboxylic acid monomers to prepare comb structure polymer with polycarboxylic acid main chain and temperature/pH-responsive side chain.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: May 24, 2022
    Assignee: BEIJING UNIVERSITY OF TECHNOLOGY
    Inventors: Xiao Liu, Xiabing Bai, Jianan Guan, Ziming Wang, Guanghong Lai, Shanshan Qian, Qian Xu
  • Publication number: 20220154901
    Abstract: A flame lamp made of filament lamps, comprises a fixing device, a controller and one or a plurality of LED filament lamps, wherein the LED filament lamps are fixedly installed on the fixing device and electrically connected with the controller, and the controller is used for controlling the light emitting frequency and pulse brightness of the LED filament lamps. Each LED filament lamp comprises at least two light source arrays from top to bottom, wherein the light emitting frequencies and/or the pulse brightnesses of at least two light source arrays are different. Each LED filament lamp is vertically arranged, and the upper end and the lower end of each LED filament lamp are fixedly connected with the fixing device. Various specific assembly methods are provided.
    Type: Application
    Filed: January 12, 2021
    Publication date: May 19, 2022
    Applicant: ZHEJIANG TWINSEL ELECTRONIC TECHNOLOGY CO., LTD.
    Inventors: Xueren ZENG, Qian XU, Xueyi ZENG, Zhenzhong KONG, Jiawei LI, Rongqu TANG, Xiaofeng TANG
  • Publication number: 20220154894
    Abstract: A method for creating a lighting effect by two segments on one filament, comprising a first fluorescent rubber strip and a second fluorescent rubber strip installed by butting, and a chip support arranged between the first fluorescent rubber strip and the second fluorescent rubber strip; a plurality of LED chips are evenly arranged on the chip support, and the LED chips are in positive and negative parallel connection with each other by conducting wires; and metal wire lugs are installed at both ends of the chip support. Compared with the prior art, the method can be applied to some special application scenarios, such as a light which can illuminate without a drive. By arranging the LED chips in positive and negative inverse parallel connection on the same light-emitting filament, light emitting by two or more segments on one filament or light emitting at intervals is realized, so that non-polar light emitting of the filament is realized.
    Type: Application
    Filed: January 12, 2021
    Publication date: May 19, 2022
    Applicant: ZHEJIANG TWINSEL ELECTRONIC TECHNOLOGY CO., LTD.
    Inventors: Xueren ZENG, Qian XU, Xueyi ZENG, Zhenzhong KONG, Jiawei LI, Rongqu TANG, Xiaofeng TANG
  • Publication number: 20220147211
    Abstract: Disclosed are a method for operating a terminal screen, a terminal and a storage medium. The method for operating the terminal screen includes: acquiring an initial coordinate of a moving mark controlled by a first touch operation; acquiring a displacement direction of the moving mark according to the first touch operation; acquiring a displacement distance of the moving mark according to a pressure value corresponding to the first touch operation, changing a position of the moving mark according to the displacement direction, the displacement distance and the initial coordinate of the moving mark; and realizing the selection and control of a distal application.
    Type: Application
    Filed: July 28, 2020
    Publication date: May 12, 2022
    Inventor: Qian XU
  • Publication number: 20220140598
    Abstract: Embodiments provide an electrostatic discharge (ESD) protection circuit and an electrostatic discharge method. The ESD protection circuit includes: a pulse detection unit (100), a discharge transistor (300), a feedback delay unit (200), and a processing unit (400). A first terminal of the pulse detection unit (100) is connected to a first pad (101), a second terminal of the pulse detection unit (100) is connected to a second pad (102), and an output terminal of the pulse detection unit (100) is configured to output a detection result signal. A gate of the discharge transistor (300) is connected to the output terminal of the pulse detection unit (100), a drain of the discharge transistor (300) is connected to the first pad (101), and a source of the discharge transistor (300) is connected to the second pad (102). The feedback delay unit (200) includes a PMOS transistor (Mp) and an NMOS transistor (Mn).
    Type: Application
    Filed: September 2, 2021
    Publication date: May 5, 2022
    Inventor: Qian XU
  • Publication number: 20220140354
    Abstract: A fuel cell electrode with catalysts grown in situ on an ordered structure microporous layer and a method for preparing a membrane electrode assembly (MEA) are disclosed. The fuel cell electrode includes an electrode substrate layer, a hydrophobic layer, an ordered structure hydrophilic layer and catalysts. The hydrophobic layer is prepared on the electrode substrate layer. The ordered structure hydrophilic layer is prepared on the hydrophobic layer. The catalysts are uniformly distributed on the ordered structure hydrophilic layer.
    Type: Application
    Filed: August 27, 2021
    Publication date: May 5, 2022
    Applicant: Jiangsu University
    Inventors: Huaneng SU, Jinlong LI, Weiqi ZHANG, Qiang MA, Qian XU
  • Patent number: 11309910
    Abstract: Methods and apparatus are provided for unified significance map coding. An apparatus includes a video encoder (400) for encoding transform coefficients for at least a portion of a picture. The transform coefficients are obtained using a plurality of transforms. One or more context sharing maps are generated for the transform coefficients based on a unified rule. The one or more context sharing maps are for providing at least one context that is shared among at least some of the transform coefficients obtained from at least two different ones of the plurality of transforms.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: April 19, 2022
    Assignee: INTERDIGITAL MADISON PATENT HOLDINGS, SAS
    Inventors: Xiaoan Lu, Joel Sole, Peng Yin, Qian Xu, Yunfei Zheng
  • Publication number: 20220078448
    Abstract: Methods and apparatus are provided for intra coding a block having pixels assigned to groups. An apparatus includes a video encoder for encoding a block in a picture using intra prediction by dividing pixels within the block into at least a first group and a second group and encoding the pixels in the first group prior to encoding the pixels in the second group. A prediction for at least one of the pixels within the second group is obtained by evaluating the pixels within the first group and the second group.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 10, 2022
    Inventors: Qian XU, Joel SOLE, Peng YIN, Yunfei ZHENG, Xiaoan LU
  • Publication number: 20220064780
    Abstract: A mask assembly includes a mesh mask, a frame connected to a periphery of the mesh mask, and at least one support bar. The at least one support bar and the frame support the mesh mask together. Each support bar has a first end fixed to one side portion of the frame and a second end fixed to another side portion of the frame.
    Type: Application
    Filed: August 11, 2020
    Publication date: March 3, 2022
    Inventors: Qian XU, Jianpeng WU, Chang LUO, Fengli JI
  • Patent number: 11236053
    Abstract: This disclosure relates to compounds and methods of treating or preventing a Nox related disease or condition comprising administering to a subject in need thereof a Nox inhibitor or pharmaceutical compositions comprising a Nox inhibitor disclosed herein, derivatives, or compounds disclosed herein optionally substituted with one or more substitutes including optional salt and prodrug forms. In certain embodiments, this disclosure relates to sulfonylurea compounds and uses reported herein.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: February 1, 2022
    Assignees: Emory University, Mercer University, Howard University, Union University
    Inventors: Osman Güner, Bernard Lassegue, Kathy Griendling, Qian Xu, David Brown, J. Phillip Bowen, Amol Kulkarni, E. Blake Watkins
  • Publication number: 20220028853
    Abstract: Provided is an electrostatic discharge protection device, including: a darlington structure formed in a substrate, and a diode string formed in the substrate and including a plurality of diodes connected in series. A first end of the darlington structure is connected to a first voltage, and a second end of the darlington structure is connected to a second voltage. An anode of the diode string is connected to a third end of the darlington structure. A cathode of the diode string is connected to the second voltage.
    Type: Application
    Filed: September 10, 2021
    Publication date: January 27, 2022
    Inventor: Qian XU
  • Patent number: 11212534
    Abstract: Methods and apparatus are provided for intra coding a block having pixels assigned to groups. An apparatus includes a video encoder for encoding a block in a picture using intra prediction by dividing pixels within the block into at least a first group and a second group and encoding the pixels in the first group prior to encoding the pixels in the second group. A prediction for at least one of the pixels within the second group is obtained by evaluating the pixels within the first group and the second group.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: December 28, 2021
    Assignee: INTERDIGITAL VC HOLDINGS, INC.
    Inventors: Qian Xu, Joel Sole, Peng Yin, Yunfei Zheng, Xiaoan Lu
  • Publication number: 20210385460
    Abstract: Methods and apparatus are provided for signaling intra prediction for large blocks for video encoders and decoders. The intra prediction is signaled by selecting a basic coding unit size and assigning a single spatial intra partition type for the basic coding unit size. The single spatial intra partition type is selectable from among a plurality of spatial intra partition types. The at least one large block has a large block size greater than a block size of the basic coding unit. The intra prediction is hierarchical layer intra prediction and is performed for the at least one large block by at least one of splitting from the large block size to the basic coding unit size and merging from the basic coding unit size to the large block size.
    Type: Application
    Filed: June 18, 2021
    Publication date: December 9, 2021
    Inventors: Yunfei Zheng, Qian Xu, Xiaoan Lu, Peng Yin, Joel Sole Rojals, Adeel Abbas
  • Patent number: 11185957
    Abstract: One embodiment of the present invention can be characterized as a method for controlling a multi-axis machine tool that includes obtaining a preliminary rotary actuator command (wherein the rotary actuator command has frequency content exceeding a bandwidth of a rotary actuator), generating a processed rotary actuator command based, at least in part, on the preliminary rotary actuator command, the processed rotary actuator command having frequency content within a bandwidth of the rotary actuator and generating a first linear actuator command and a second linear actuator command based, at least in part, on the processed rotary actuator command. The processed rotary actuator command can be output to the rotary actuator, the first linear actuator command can be output to a first linear actuator and the second linear actuator command can be output to a second linear actuator.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: November 30, 2021
    Assignee: ELECTRO SCIENTIFIC INDUSTRIES, INC
    Inventors: Guang Lu, Mehmet E. Alpay, Mike Tyler, Qian Xu, Jan Kleinert, Zhibin Lin, James D. Brookhyser, Ho Wai Lo, Kurt M. Eaton
  • Patent number: D949452
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: April 19, 2022
    Assignee: Zhejiang Twinsei Electronic Technology Co., Ltd.
    Inventors: Xueren Zeng, Qian Xu, Zhenzhong Kong, Jiawei Li, Tenghai He, Xiaofeng Tang, Jinglin Zheng