Patents by Inventor Xiaofeng Zhang

Xiaofeng Zhang 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: 11963429
    Abstract: A display module (10) includes: a display panel (12) and a circuit board (14) coupled to the display panel (12). The display panel (12) includes a driving chip (122) and a display unit (124); and the circuit board (14) includes a first filter element (142), wherein the first filter element (142) is coupled to the driving chip (122) and the display unit (124), and a direct current signal output by the driving chip (122) is filtered by the first filter element (142) and then transmitted to the display unit (124). The present disclosure also provides a display apparatus (100).
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: April 16, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yu Wang, Yi Zhang, Tingliang Liu, Tinghua Shang, Huijuan Yang, Yang Zhou, Pengfei Yu, Linhong Han, Hao Zhang, Xiaofeng Jiang, Huijun Li
  • Publication number: 20240120932
    Abstract: Embodiments of the disclosure provide a circuit, chip, system, and method for eliminating random perturbation. The circuit includes a weight calculating module for receiving digital signals and random perturbation digital quantity, using least mean square error algorithm to calculate weight deviation iteration coefficient based on digital signal and digital quantity, and updating perturbation weight in real-time according to weight deviation iteration coefficient; and a perturbation eliminating module for eliminating perturbation signal in output digital signal of quantizer according to perturbation weight updated in real-time and updating perturbation weight in real-time according to weight deviation iteration coefficient, and then calculating current perturbation weight in real time to realize self-calibration of perturbation weight.
    Type: Application
    Filed: December 3, 2023
    Publication date: April 11, 2024
    Applicant: Chongqing GigaChip Technology Co., Ltd.
    Inventors: Yabo NI, Yong ZHANG, Xiaofeng SHEN, Ting LI, Lu LIU, Can ZHU, Jiahao PENG, Liang LI, Dongbing FU, Jianan WANG
  • Publication number: 20240114736
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a pixel circuit layer and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits, the anode layer includes a plurality of anode groups, each of the plurality of anode groups includes a first anode and a second anode which are oppositely arranged, the first anode includes a first main body portion and a first connection portion, the first anode further includes an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor in the pixel driving circuit connected to the first connection portion.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lulu YANG, Tinghua SHANG, Guomeng ZHANG, Yu WANG, Xiaofeng JIANG, Xin ZHANG, Yupeng HE, Yi QU, Biao LIU, Mengmeng DU, Xiangdan DONG, Hongwei MA
  • Patent number: 11946739
    Abstract: Disclosed are a thickness detection device, method and system, a storage medium and a processor. The thickness detection device includes: a detection unit, including a plurality of thickness detection chips, wherein the thickness detection chips are sequentially arranged at least in a second direction; and a common unit, arranged opposite and spaced from the detection unit in a first direction, wherein distances between at least two positions of a first surface of the common unit and the detection unit are different, the second direction is perpendicular to the first direction and a moving direction of an object to be detected, and the first surface is a surface of the common unit which is close to the measurement unit.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: April 2, 2024
    Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventors: Yonghui Lin, Kai Zhang, Xiaofeng Sun, Rongxin Song, Tao Qu
  • Publication number: 20240101873
    Abstract: The present disclosure discloses a high-temperature fast-curing starch-based adhesive for particleboards and a preparation method thereof, belonging to the technical field of adhesive preparation. The low viscosity of the starch-based adhesive is ensured by selecting a crosslinking monomer which does not self-crosslink in a reaction process in the present disclosure, and a binary crosslinking agent matched with the crosslinking monomer is added before use to be quickly crosslinked with the crosslinking monomer at high temperature so as to ensure better thermosetting property and water resistance as well as faster curing speed of the starch-based adhesive at the same time, which meets the requirements of the particleboards for the adhesive, solves the problem of long curing time of the existing starch-based adhesives at high temperatures, further shortens the curing time of the starch-based adhesives to about 60 s, and improves the production efficiency of the particleboards.
    Type: Application
    Filed: December 6, 2023
    Publication date: March 28, 2024
    Inventors: Li CHENG, Zhengbiao GU, Yan HONG, Zhaofeng LI, Caiming LI, Xiaofeng BAN, Junnan JIN, Dongdong WU, Mengwei ZHANG, Jian YIN
  • Publication number: 20240101900
    Abstract: The invention relates to highly luminescent nanostructures with improved blue light absorbance, particularly core/shell nanostructures comprising a ZnSe core and InP and/or ZnS shell layers. The invention also relates to methods of producing such nanostructures.
    Type: Application
    Filed: March 9, 2023
    Publication date: March 28, 2024
    Applicant: Nanosys, Inc.
    Inventors: John CURLEY, Chunming WANG, Jay YAMANAGA, Xiaofeng ZHANG, Christian IPPEN
  • Publication number: 20240107470
    Abstract: A time synchronization method includes obtaining a first BLUETOOTH packet from a master device, where the first BLUETOOTH packet carries first time stamp information, and the first time stamp information indicates a sending moment t1 that is of the first BLUETOOTH packet and that is determined based on a clock of the master device; and correcting a local time of a slave device based on the first time stamp information.
    Type: Application
    Filed: November 22, 2021
    Publication date: March 28, 2024
    Inventors: Sulin Yang, Xiaofeng Zhang
  • Publication number: 20240092679
    Abstract: The present invention discloses a fabrication method and use of a ?40 mm large-size and high-contrast fiber optic image inverter, belonging to the field of manufacturing of fiber optic imaging elements. The light-absorbing glass for preparing the ?40 mm large-size and high-contrast fiber optic image inverter consists of the following components in molar percentage: SiO2 60-69.9, Al2O3 1.0-10.0, B2O3 10.1-15.0, Na2O 1.0-8.0, K2O 3.0-10.0, MgO 0.1-1.0, CaO 0.5-5.0, ZnO 0-0.1, TiO2 0-0.1, ZrO2 0.1-1.0, Fe2O3 3.0-6.5, Co2O3 0.1-0.5, V2O5 0.51-1.5 and MoO3 0.1-1.0. The fiber optic image inverter has the advantages of low crosstalk of stray light, high resolution and high contrast.
    Type: Application
    Filed: July 20, 2023
    Publication date: March 21, 2024
    Inventors: Lei Zhang, Jinsheng Jia, Yue Zhao, Yu Shi, Huichao Xu, Haoyang Yu, Jing Zhang, Zhiheng Fan, Xian Zhang, Xiaofeng Tang, Puguang Song, Jiuwang Wang, Yun Wang, Yang Fu, Yajie Du, Yonggang Huang
  • Publication number: 20240099053
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. A pixel region is provided with a light emission function layer on a base substrate of the display substrate, and a separation region is provided with at least one first barrier structure. The first barrier structure includes a stopper pattern and a first separation component. A side surface of the first separation component has a recess, and a portion of the light emission function layer extending to the separation region is disconnected on the side of the first separation component. The separation region is provided with an inorganic layer structure on the base substrate. The inorganic layer structure includes multiple stacked inorganic film layers, the stopper pattern is located between two adjacent inorganic film layers and the first separation component is located on a side of the inorganic layer structure away from the base substrate.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 21, 2024
    Inventors: Yupeng HE, Yang ZHOU, Xin ZHANG, Pengfei YU, Xiaofeng JIANG, Yi QU, Lulu YANG, Huijun LI, Meng ZHANG
  • Publication number: 20240085096
    Abstract: The present invention discloses a refrigerator and a dedicated region module for a refrigeration apparatus, the refrigerator including a cabinet and a door for opening or closing the cabinet, a dedicated region module being provided on an inner side of the door facing the cabinet, and the dedicated region module having a receiving space for storing articles, the dedicated region module includes the electric component and a power module for supplying power to the electric component, such that a whole structure is simpler, and a manufacturing process is simpler.
    Type: Application
    Filed: April 12, 2021
    Publication date: March 14, 2024
    Inventors: XIAOFENG LI, WENCHUN WANG, HAO ZHANG, ENPIN XIA, TONG XU
  • Publication number: 20240085375
    Abstract: The present application provides a device for detecting a defect in a steel cord ply. The device is configured to obtain an enhanced magnetic field signal of the steel cord ply and detect a defect of the steel cord ply based on the enhanced magnetic field signal. The device includes a magnetic field unit including a permanent magnet configured to generate a background magnetic field; a signal obtaining unit configured to generate an enhanced magnetic field signal of a steel cord ply based on a plurality of first magnetic field signals and a plurality of second magnetic field signals; and a defect detecting unit configured to detect a defect of the steel cord ply based on the enhanced magnetic field signal, wherein the defect detecting unit includes an AD converting module, a signal processing module, a defect detecting module, a display module, and a control module.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 14, 2024
    Inventors: Wuchang QI, Kai ZHANG, Xiaofeng SUN, Pengtong WANG, Mingfeng SUN, Rongxin SONG
  • Publication number: 20240085089
    Abstract: The present invention discloses a refrigerator, including a cabinet and a door for opening or closing the cabinet, a dedicated region module being provided on an inner side of the door facing the cabinet, and the dedicated region module having a receiving space for storing articles, the refrigerator further includes a wireless charging unit, the wireless charging unit includes a receiving terminal provided on the dedicated region module and a transmitting terminal provided on the cabinet, the transmitting terminal is matched with the receiving terminal and configured to transmit generated energy, and the dedicated region module further includes an electric component electrically connected with the receiving terminal.
    Type: Application
    Filed: April 12, 2021
    Publication date: March 14, 2024
    Inventors: XIAOFENG LI, WENCHUN WANG, HAO ZHANG, ENPIN XIA, SEN MOU
  • Patent number: 11926188
    Abstract: A method and system for adjusting height and damping force, the method comprising: between a first connection part (110) and a second connection part (120), arranging a pneumatic valve (130), an air spring (140), an adjustable damper (150) and a damping force adjustment device (160) used for adjusting the damping force of an adjustable damper (150), the positions of the pneumatic valve (130), the air spring (140), the adjustable damper (150) and the damping force adjustment device (160) being adaptive and the pneumatic valve (130) being connected to the damping force adjustment device (160) and the air spring (140), respectively; the pneumatic valve (130) collects at least one movement variable of the first connection part (110) relative to the second connection part (120); meanwhile, the pneumatic valve (130), according to the collected movement variable and/or the change in the movement variable, controlling the air spring (140) to inflate or deflate so as to implement height adjustment; and/or carrying out
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: March 12, 2024
    Assignee: Airlop (Beijing) Automotive Technology Co., Lt
    Inventors: Xiaofeng Zhang, Jia Zhang, Guo Sun, Manhua Yu, Yongjiang Feng
  • Publication number: 20240081103
    Abstract: A display substrate and a display device are disclosed. In the display substrate, a plurality of openings include a plurality of opening groups, the plurality of opening groups include a plurality of opening group rows, each of the opening groups includes a first opening and a second opening, the plurality of opening group rows includes a first opening group row and a second opening group row, the spacer is located between the first opening of the first opening group row and the second opening of the second opening group row, an orthographic projection of the first opening includes a first long edge, and an orthographic projection of the second opening includes a second long edge, the first long edge is parallel to the second long edge, an extension line of the first long edge is misaligned from an extension line of the second long edge.
    Type: Application
    Filed: October 11, 2023
    Publication date: March 7, 2024
    Inventors: Hao ZHANG, Tingliang LIU, Yu WANG, Huijun LI, Huijuan YANG, Xiaofeng JIANG, Xin ZHANG, Jie DAI, Lu BAI, Pengfei YU, Tinghua SHANG
  • Patent number: 11922838
    Abstract: A display panel, comprising a first insulating structural layer, a first crack detection line, a second insulating structural layer and a second crack detection line which are sequentially arranged on a substrate, wherein the first crack detection line and the second crack detection line are both located in a peripheral area and are arranged around a display area, one end of the first crack detection line is configured to receive a detection signal, and the other end of the first crack detection line is configured to output a first output signal, and one end of the second crack detection line is configured to receive a detection signal and the other end of the second crack detection line is configured to output a second output signal.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: March 5, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yu Wang, Yi Zhang, Tingliang Liu, Chang Luo, Hao Zhang, Huijuan Yang, Tinghua Shang, Yang Zhou, Pengfei Yu, Shun Zhang, Xiaofeng Jiang, Huijun Li, Linhong Han
  • Patent number: 11922131
    Abstract: A method for performing vector-matrix multiplication may include converting a digital input vector comprising a plurality of binary-encoded values into a plurality of analog signals using a plurality of one-bit digital to analog converters (DACs); sequentially performing, using an analog vector matrix multiplier and based on bit-order, vector-matrix multiplication operations using a weighting matrix for the plurality of analog signals to generate analog outputs of the analog vector matrix multiplier; sequentially performing an analog-to-digital (ADC) operation on the analog outputs of the analog vector matrix multiplier to generate binary partial output vectors; and combining the binary partial output vectors to generate a result of the vector-matrix multiplication.
    Type: Grant
    Filed: November 7, 2020
    Date of Patent: March 5, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Xiaofeng Zhang, She-Hwa Yen
  • Patent number: 11909086
    Abstract: A dielectric filter, a duplexer, and a communications device are provided. The dielectric filter includes a dielectric body, and a wideband filtering structure and a narrowband filtering structure that are disposed in the dielectric body. The wideband filtering structure includes a groove disposed on a first surface of the dielectric body and configured to adjust a frequency position of a passband of the wideband filtering structure; and at least one first resonator including a through hole penetrating the bottom of the groove and a second surface of the dielectric body; and an open loop located on a bottom surface of the groove and is disposed around an opening of the through hole. The narrowband filtering structure includes at least one second resonator including a blind hole disposed on the second surface of the dielectric body. The first surface and the second surface of the dielectric body are disposed oppositely.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: February 20, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dan Liang, Xiaofeng Zhang, Zheng Cui
  • Patent number: 11876237
    Abstract: The present invention discloses a cylindrical waterproof battery box, including a box body, a compartment body, and a box cover. One end of the box body is provided with a mounting opening, the compartment body is configured to be mounted into the mounting opening and extend to an inner cavity of the box body, the box cover and the compartment body are assembled to form an external thread assembly portion, an internal thread portion is disposed in the mounting opening, and the external thread assembly portion is configured to be fitted with the internal thread portion.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: January 16, 2024
    Inventor: Xiaofeng Zhang
  • Publication number: 20240009906
    Abstract: The present invention relates to the field of forming technologies for rubber sealing ring blanks, and more particularly to an automatic forming method and device for a rubber sealing ring blank. A cutting blade is fixedly connected to the surface of a blank forming assembly; an equipment body II is fixedly connected to a sliding table die set; a supporting rod II is fixedly connected to the surface of the equipment body II; a blank box is fixedly connected to the inner side surface of the supporting rod II; and a blank spool is fixedly connected to the tail end of a long blank strip. The method and device disclosed by the present invention have the advantages that the automation degree is high, and the long blank strip conveyed from the blank spool passes through guide wheels and a guide groove and is automatically pressed into a ring through the combined action of the blank forming assembly and the cutting blade.
    Type: Application
    Filed: March 20, 2023
    Publication date: January 11, 2024
    Inventors: Liang WANG, Hongzhong TU, Jie ZHONG, Chen HAN, Junjie LI, Xiaofeng ZHANG, Zhulin XU, Wenfeng WU, Yanhui CHEN, Xuanmin HUANG, Xi LING, Shixiang GAN, Donghui LI, Jiajun XIE, Qingbo ZHENG, Dongliang DING, Shipu GUO
  • Patent number: 11860491
    Abstract: A display panel includes a second substrate. The second substrate includes a second base substrate and a shielding layer, an array structure layer, an insulating layer and a reflective layer which are sequentially disposed on a second base substrate, the array structure layer includes gate lines; the shielding layer includes a plurality of groups of light shielding units sequentially arranged along a first direction, each group of the light shielding units includes a plurality of independent sub-light shielding units sequentially arranged along a second direction, the reflective layer includes a plurality of reflective units arranged in an array, the plurality of reflective units form a plurality of reflective rows and a plurality of reflective columns, a first space area is formed between adjacent reflective columns, and a second space area is formed between adjacent reflective rows forms.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: January 2, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhao Zhang, Yanqing Chen, Wei Li, Weida Qin, Kai Chen, Jiguo Wang, Wei Yan, Xiaofeng Zhang, Zeliang Li, Jian Zhang, Zhen Wang