Patents by Inventor Guoqiang (David) Zhang

Guoqiang (David) 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).

  • Publication number: 20250086778
    Abstract: A system for detecting filament and needle breakage, including: an image acquisition module, an image processing module and a host computer detection module. The image acquisition module includes a light source, a camera and a lens. The image processing module includes a preprocessing submodule and a detection model. The host computer detection module includes a shutdown control-data interaction submodule of a warp knitting machine, a sensor control board, and a system operation interface. The image acquisition module captures a blanket knitting image at a knitting mechanism of the warp knitting machine. The image processing module pre-processes the blanket knitting image and detects filament and needle breakage. The host computer detection module controls a textile device according to detection results to generate an alarming information. A detection method implemented by the system is further provided.
    Type: Application
    Filed: September 15, 2024
    Publication date: March 13, 2025
    Inventors: Yuanfang CHEN, Jian WANG, Guoqiang JIN, Shengyuan XIAO, Liwei LIU, Shijie ZHU, Xiaoan SUN, Jun NI, Chen QIAN, Kan ZHENG, Zhaoji HU, Xuanxing DU, Hangbin CHEN
  • Publication number: 20250089473
    Abstract: A display panel and a display device are provided by the present application. A plurality of second pixels are electrically connected with pixel driving circuits located in a main display area. A pixel driving circuit layer corresponding to the light-transmitting display area is provided with a plurality of first grooves provided between the second pixels. The first grooves adjacent to different second pixels are communicated with each other. A distance from a surface of a first organic insulating sub-layer located at the first grooves away from a substrate to the substrate is less than a distance from a surface of the first organic insulating sub-layer located in the main display area away from the substrate to the substrate.
    Type: Application
    Filed: July 20, 2023
    Publication date: March 13, 2025
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Guoqiang YANG, Liliang GONG
  • Patent number: 12249114
    Abstract: The disclosure belongs to the field of visible light communication, and specifically discloses a stripe image processing method and apparatus for camera optical communication. The method includes: obtaining a stripe image data set, the stripe image data set including a stripe image sample and a stripe sequence label corresponding to the stripe image sample and a stripe-free image label; based on the stripe image sample and the stripe sequence label corresponding to the stripe image sample and the stripe-free image label, training a generative adversarial network to obtain an image reconstruction model and a stripe extraction model; among them, the image reconstruction model serves as a generator of the generative adversarial network, and the stripe extraction model serves as a discriminator of the generative adversarial network.
    Type: Grant
    Filed: August 5, 2024
    Date of Patent: March 11, 2025
    Assignees: Hubei University of Economics, Dachang Technology Development Co., Ltd
    Inventors: Wenping Liu, Qian Deng, Guoqiang Fu, Sihan Li, Zeliang Huang, Zhongwei Chen, Yamin Li
  • Publication number: 20250078761
    Abstract: The disclosure provides a compensation method, system, device and medium of a IR Drop of a display panel. The compensation method includes: constructing a IR Drop model of the display panel based on a distribution of equivalent resistances between adjacent pixels in the display panel; constructing a vector matrix equation of the IR Drop according to the IR Drop model; performing an equivalent processing on the vector matrix equation of the IR Drop to form a plurality of equivalent sub-matrices; iteratively solving IR Drop data of each node in each equivalent sub-matrix; and performing a voltage compensation on each pixel in the display panel according to the IR Drop data. The disclosure may realize a point-to-point accurate compensation of all nodes in the display panel, and improves a problem of uneven brightness of a high-resolution display panel caused by the IR Drop.
    Type: Application
    Filed: December 18, 2023
    Publication date: March 6, 2025
    Applicant: Hefei University of Technology
    Inventors: Qibin FENG, Hongtao REN, Chen ZHENG, Guoqiang LV, Zi WANG
  • Publication number: 20250076692
    Abstract: The embodiments of the present disclosure discloses an optical isolator core and an optical isolator. The optical isolator core comprises: a first birefringent crystal, a first Faraday rotator, a second birefringent crystal, a second Faraday rotator, and a third birefringent crystal that are successively arrange in the forward light path, all of which are parallel plate structures. The embodiments of the present disclosure achieves backward isolation for polarization-independent and non-collimating beam which simplifies the device structure and assembly process, thereby reduce size and cost.
    Type: Application
    Filed: August 26, 2024
    Publication date: March 6, 2025
    Inventor: GUOQIANG CHEN
  • Publication number: 20250076669
    Abstract: Present disclosure relates to the field of optical technology and discloses a polarization beam splitter and a polarization beam combiner with isolation functions. The splitter comprises: a single-core waveguide, a lens, a first birefringent crystal, a first Faraday rotator, a second birefringent crystal and a dual-core polarization-maintaining waveguide along the forward optical path successively. The first birefringent crystal, the first Faraday rotator and the second birefringent crystal are all parallel plate structures. By the aforementioned means, the application simplifies the device structure and reduces the device cost.
    Type: Application
    Filed: August 26, 2024
    Publication date: March 6, 2025
    Inventor: GUOQIANG CHEN
  • Publication number: 20250072821
    Abstract: A sweat extraction and monitoring system comprises a triboelectric nanogenerator (TENG) for inducing localized sweating for a human skin to generate sweat, iontophoresis electrodes electrically connected to the TENG and configured to be operably electrically contacting the human skin, at least one microfluidic channel for receiving the sweat, at least one biosensor for sensing the sweat received in the at least one microfluidic channel, and at least one sweat-activated battery configured to be actuatable by the sweat for powering the at least one biosensor.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 6, 2025
    Inventors: Xinge YU, Guoqiang XU, Xingcan HUANG, Rui SHI, Yawen YANG, Pengcheng WU
  • Patent number: 12244067
    Abstract: An antenna is provided. The antenna includes a microstrip feed line, a ground plate, a slot extending through the ground plate, and a radiating plate. The radiating plate is on a side of the ground plate and the slot away from the microstrip feed line. The radiating plate is configured to receive a signal from the microstrip feed line by aperture coupling through the slot. The radiating plate includes a plurality of radiating blocks spaced apart from each other.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: March 4, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Dongdong Zhang, Feng Qu, Yali Wang, Yafei Zhang, Mengwen Jia, Guoqiang Tang, Xichao Fan, Biqi Li
  • Publication number: 20250072156
    Abstract: A preparation method for a solar cell includes: providing a silicon wafer having a first surface and a second surface opposite to the first surface; forming an ultrathin silicon oxide layer on the first surface of the silicon wafer, and sequentially forming a phosphorus-doped amorphous silicon layer and a silicon oxide mask layer on the ultrathin silicon oxide layer; and annealing the silicon wafer to densify the silicon oxide mask layer and convert the phosphorus-doped amorphous silicon layer into a phosphorus-doped polycrystalline silicon layer.
    Type: Application
    Filed: November 29, 2022
    Publication date: February 27, 2025
    Inventors: Jianbin FAN, Xiajie MENG, Guoqiang XING
  • Publication number: 20250069784
    Abstract: A neodymium-iron-boron magnet as well as a preparation method therefor and the use thereof are provided. The magnet contains main-phase grains having an R2(Fe,M)14B structure, and grain boundary phases. The grain boundary phases has two-grain grain boundaries between every two main-phase grains and triangular grain boundaries consisting of gaps among every three or more main-phase grains. M represents Cu, Ga, and/or Al, and R is at least one rare earth element including Nd. By means of regulating the component proportions of elements Cu, Ga, Al, etc, a distribution rule thereof in a magnet, and the grain sizes of grains, a magnet with high Br and Hcj can be obtained.
    Type: Application
    Filed: November 28, 2022
    Publication date: February 27, 2025
    Inventors: Yongjiang YU, Lei LIU, Zhongxin AN, Xiaoguang FANG, Guoqiang GENG
  • Publication number: 20250071084
    Abstract: The present application discloses an NAT detection method between network nodes, a device, and a storage medium. The method includes: a request node obtains first node information, takes the obtained first node information as payload data of an NAT detection request message or an NAT detection result request message, performs IP packet encapsulation on the NAT detection request message or the NAT detection result request message, performs protection processing on an NAT detection request packet obtained after encapsulation, sends the NAT detection request packet to a response node; and the response node performs deprotection processing on the received NAT detection request packet and obtains the payload data of the NAT detection request message or the NAT detection result request message, compares the obtained payload data with corresponding content in a first IP header of the NAT detection request packet, and determines an NAT detection result according to the comparison result.
    Type: Application
    Filed: December 9, 2022
    Publication date: February 27, 2025
    Inventors: Jinfa GUO, Ming DU, Guoqiang ZHANG, Xiang YAN
  • Publication number: 20250067913
    Abstract: A composite film layer capable of transmitting white light comprises a transparent panel and an indium plating layer, wherein the transparent panel is closer to a white light source relative to the indium plating layer; and the transparent panel is formed by mixing transparent plastics and a blue pigment and performing injection moulding, or is formed by mixing transparent plastics, a blue pigment and a purple pigment and performing injection moulding. The transparent panel containing the blue pigment or containing the blue pigment and the purple pigment is attached to one side of the indium plating layer by using the principle of complementary colours in chromatics, so that the composite film layer can transmit white light, and a colour temperature value of the transmitted white light is 5200 to 7200 K.
    Type: Application
    Filed: January 7, 2022
    Publication date: February 27, 2025
    Inventors: Jianqiu Zuo, Xiaofeng Yang, Xianglin FU, Lin Luo, Guoqiang Ye
  • Patent number: 12236856
    Abstract: In a display driver circuit, a push-pull circuit is coupled to an internal circuit, a first external power terminal, a second external power terminal and a target node respectively, and can control the on-off of the first external power terminal, the second external power terminal and the target node in response to a target control signal transmitted by the internal circuit. The switching circuit is coupled to the target node and the I/O interface of the display driver circuit respectively, and can transmit an electric potential of the target node to the I/O interface of the display driver circuit, that is, a first power signal transmitted from the first external power terminal to the target node or a second power signal transmitted from the second external power terminal to the target node is further output to the I/O interface.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: February 25, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Bilin Wang, Yuanzhou Hu, Xiaohuan Chang, Yanni Jiang, Guoqiang Wu
  • Publication number: 20250060519
    Abstract: A white-light-transmitting composite film layer is provided with a medium layer and an indium coating, wherein the medium layer is closer to a white light source than the indium coating. The medium layer is a transparent coating containing 0.5-8% of a blue pigment and 0-2% of a purple pigment; or the medium layer is a transparent plastic film containing 0.5-8% of a blue pigment and 0-2% of a purple pigment. The white-light-transmitting composite film layer utilizes the principle of complementary colors in chromatics, and the special medium layer is attached to one side of the indium coating, so that the composite film layer can realize white light transmission, and the color temperature value of transmitted white light is 5200-7200 K.
    Type: Application
    Filed: January 7, 2022
    Publication date: February 20, 2025
    Inventors: Jianqiu Zuo, Xiaofeng Yang, Xianglin Fu, Lin Luo, Guoqiang Ye
  • Patent number: 12226900
    Abstract: A surgical robot and a control method and device for a robot arm (21) thereof. The surgical robot includes the robot arm (21) and the control device, the control device is configured for acquiring an external force applied on a power mechanism (22); acquiring an input operating command for task degrees of freedom of the power mechanism (22); combining the task degrees of freedom to analyze the external force to obtain target position and/or pose information of the power mechanism (22) at a base coordinate system, according to the target position and/or pose information, controlling a movement of joints of the robot arm to allow the power mechanism (22) to move within corresponding degrees of freedom. The operating command includes a completely matched first operating command, and a partially matched second operating command. The power mechanism (22) of the surgical robot can be precisely freely dragged or constraint control dragged.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: February 18, 2025
    Assignee: Shenzhen Edge Medical CO., Ltd.
    Inventors: Yuanqian Gao, Guoqiang Ye
  • Publication number: 20250056228
    Abstract: A network access method and apparatus, relating to the technical field of communications. The method comprises: a terminal determining, according to a selected target network, an auxiliary network associated with the target network (S201); connecting the auxiliary network, and obtaining a digital certificate from the auxiliary network (S202), the digital certificate being used for accessing the target network; installing the digital certificate (S203); and accessing the target network by using the digital certificate (S204). According to the method, the digital certificate for accessing the target network is obtained on the basis of the auxiliary network, networking operation steps are simplified, and the usability is improved.
    Type: Application
    Filed: November 2, 2022
    Publication date: February 13, 2025
    Inventors: Yucun TIAN, Long XIAO, Guoqiang ZHANG, Xiang YAN
  • Publication number: 20250050130
    Abstract: The present invention relates to a light therapy apparatus, system, and method to deliver light to a body organ, e.g., to directly contact the skin such as a scalp, via one or more light guides in therapeutic dosages from one or more light sources operating in a variety of wavelengths. One or more illumination assemblies may be fixedly coupled to two or more panel assemblies operably coupled to a substructure. The panel assemblies may be acted upon by one or more actuators to move the panel assemblies resulting in conformal contact with the body organ from a first position to a second position. The actuator may comprise a cable coupled to a motor, the cable operably coupled to each panel assembly, so that upon activation of the motor, the panel assemblies each move inwardly in an independent direction with respect to each other to conform to the body organ.
    Type: Application
    Filed: October 29, 2024
    Publication date: February 13, 2025
    Inventors: Sara WASSERBAUER, Erik CARLSON, Ashwin GANESHAN, Guoqiang LI
  • Patent number: 12225644
    Abstract: The present application provides a flying firefly lamp linearly distributed, which includes at least one imitated firefly unit and a power cord; the power cord includes a positive power cord and a negative power cord, and the at least one imitated firefly unit is sequentially connected in parallel between the positive power cord and the negative power cord; the imitated firefly unit includes a PCB board (101), the PCB board is provided with an attitude control chip and a plurality of LED lights arranged in an arrangement, after the attitude control chip is energized by the power cord, the attitude control chip controls the plurality of LED lights to flash in sequence according to a preset flying mode.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: February 11, 2025
    Assignee: Jiawei Renewable Energy Co., Ltd.
    Inventors: Liang Li, Guoqiang Chen
  • Patent number: 12224618
    Abstract: This application relates to the field of communications technologies, and discloses a backup power supply control method, to obtain target power supplying duration of a battery, and determine average power consumption of a communication station (101) within a time period corresponding to the target power supplying duration. Further, a state of charge of the battery is obtained, and actual power supplying duration for the battery to supply power to the communication station (101) is determined based on the state of charge of the battery and the average power consumption. Therefore, an operation mode of a communication device in the communication station (101) may be adjusted, to reduce the average power consumption of the communication station (101) within the time period corresponding to the target power supplying duration.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: February 11, 2025
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Bing Luo, Liangren Fang, Guoqiang Yao, Yundong Wan, Jinfeng Li
  • Patent number: D1064001
    Type: Grant
    Filed: November 19, 2024
    Date of Patent: February 25, 2025
    Inventor: Guoqiang Chen