Patents by Inventor Xichao FAN

Xichao FAN 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: 12375120
    Abstract: The device of processing data based on the radio frequency identification includes: a receiving antenna used to receive a first radio frequency signal; a first front-end module electrically connected to the receiving antenna, wherein the first front-end module is used to receive and amplify the first radio frequency signal; a first radio frequency integrated circuit electrically connected to the first front-end module, wherein the first radio frequency integrated circuit is used to demodulate the amplified first radio frequency signal sent by the first front-end module to obtain a first baseband signal; and a baseband chip electrically connected to the first radio frequency integrated circuit, wherein the baseband chip is used to receive the first baseband signal, decode the first baseband signal, and output a data processing result. The present disclosure further provides an office device, an office method, an office apparatus, a storage medium and a program product.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: July 29, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xichao Fan, Yazhou Ren, Biqi Li, Zhipeng Lu, Feng Qu, Yali Wang
  • Patent number: 12347946
    Abstract: An antenna includes a first feed layer, a second feed layer and a radiation structure layer stacked; the first feed layer includes a first dielectric substrate and a micro-strip line structure stacked; multiple first conductive patches in a first conductive structure are electrically connected to a reference ground structure through an electrical connection structure on the second dielectric substrate; the reference ground structure is provided with a first slot, multiple first conductive patches are symmetrically arranged with respect to a first centerline, and the first centerline is a centerline of the first slot extending along the second direction; the radiation structure layer includes a third dielectric substrate and a second conductive structure stacked, multiple second conductive patches in the second conductive structure are symmetrically disposed with respect to the first centerline, any one of the second conductive patches is provided with at least one second slot.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: July 1, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yali Wang, Xichao Fan, Feng Qu
  • Patent number: 12327932
    Abstract: An ultra wide band antenna structure and an electronic device. The ultra wide band antenna structure includes: a dielectric substrate; an antenna structure, located on a side of the dielectric substrate; the antenna structure includes a radiation patch and a feeder line; and a ground layer, located on a side of the dielectric substrate facing away from the antenna structure; the radiation patch has a first hollowed-out slit, and a length of the first hollowed-out slit is related to ?/2; and ? represents a wave length in a frequency band of a needed notch wave.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: June 10, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yali Wang, Xichao Fan, Feng Qu
  • Patent number: 12300911
    Abstract: Disclosed are an antenna unit and an electronic device, wherein the antenna unit includes a dielectric substrate, an antenna layer and a ground layer located on both sides of the dielectric substrate; wherein the antenna layer includes a microstrip feed line, a radiation patch and a microstrip coupling line structure located on a side of the microstrip feed line in a first direction, the microstrip coupling line structure comprises a first branch structure, a microstrip coupling line and a second branch structure that are sequentially connected along the first direction, the first branch structure is arranged at intervals with the microstrip feed line, and the ground layer includes a floor groove, wherein there is a first overlapping area between an orthographic projection of the floor groove on the dielectric substrate and an orthographic projection of the microstrip feed line on the dielectric substrate.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: May 13, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yali Wang, Feng Qu, Biqi Li, Xichao Fan
  • Publication number: 20250132770
    Abstract: A data conversion apparatus includes a conversion module, a frequency divider module electrically connected to the conversion module, and a clock selection module electrically connected to both the conversion module and the frequency divider module. The frequency divider module is configured to divide an input clock signal to obtain an output clock signal according to a bit-width m of input data and a bit-width n of output data. The clock selection module is configured to transmit the input clock signal and the output clock signal to the conversion module as a write clock signal and a read clock signal, respectively. The conversion module is configured to: receive the input data of m-bit-width according to the wire clock signal; convert the input data into the output data of n-bit-width; and output the output data according to the read clock signal.
    Type: Application
    Filed: January 17, 2023
    Publication date: April 24, 2025
    Inventors: Zhipeng Lu, Xichao Fan, Feng Qu, Yazhou Ren
  • Publication number: 20250112381
    Abstract: A liquid crystal antenna and a communication device. The liquid crystal antenna includes: a first substrate; a second substrate; a plurality of antenna structures; a grounding electrode located on the side of the second substrate away from the antenna structures; each antenna structure includes a first microstrip line, a second microstrip line, and a liquid crystal layer, the first microstrip line includes first sub-microstrip lines and second sub-microstrip lines connected to the first sub-microstrip lines, the second microstrip line includes third sub-microstrip lines and fourth sub-microstrip lines connected to the third sub-microstrip lines, the first sub-microstrip lines and the third sub-microstrip lines all extend in a first direction and is arranged in a second direction, the orthographic projection of the liquid crystal layer covers at least part of the area of the orthographic projection of the first sub-microstrip lines and the orthographic projection of the plurality of third sub-microstrip lines.
    Type: Application
    Filed: July 5, 2022
    Publication date: April 3, 2025
    Inventors: Xichao FAN, Yali WANG, Biqi LI, Feng QU, Wei LI, Zongmin LIU, Junwei GUO
  • 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
  • Patent number: 12237584
    Abstract: Device and method controlling for an antenna, an antenna system and a computing control device are provided. The antenna includes multiple antenna array elements and multiple phase shifters for calibrating phases of the multiple antenna array elements. The device includes a temperature sensor, a positioning unit and a computing control unit, the temperature sensor is configured to obtain temperature information of the antenna and output it to the computing control unit; the positioning unit is configured to obtain position information of the antenna and output it to the computing control unit; the computing control unit is configured to receive the position information and temperature information of the antenna, determine position information of a satellite, and control the phase shifters to adjust phases of the multiple antenna array elements according to the position information the temperature information of the antenna, the position information of the satellite and pre-stored calibration data.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: February 25, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xichao Fan, Zongmin Liu, Wei Li, Junwei Guo, Feng Qu, Biqi Li, Yali Wang
  • Publication number: 20250062785
    Abstract: The device comprises: a signal transmission link, wherein the signal transmission link comprises a radio frequency front-end chip and a radio frequency transceiver chip which are connected in series, the radio frequency front-end chip is used for converting a received wireless signal into an analog electrical signal, and amplifying and filtering the analog electrical signal, and the radio frequency transceiver chip is used for converting the analog electrical signal into a digital electrical signal; at least two detection chips respectively connected to the signal transmission link, wherein the detection chips are used for detecting a signal parameter in the series link; and a gain controller connected between an output end of the detection chip and the radio frequency front-end chip, wherein the gain controller is used for adjusting a gain coefficient of the radio frequency front-end chip according to the signal parameter.
    Type: Application
    Filed: March 25, 2024
    Publication date: February 20, 2025
    Inventors: Zhipeng LU, Xichao FAN, Biqi LI
  • Patent number: 12223114
    Abstract: The present disclosure provides an interactive control apparatus and an interactive system. The interactive control apparatus includes: an antenna array configured to transmit a radar signal and receive a reflected echo signal; a data processing assembly configured to determine, according to the radar signal and the echo signal, a body action and a corresponding control instruction, and output the control instruction to a terminal device; and a display assembly configured to display the determined body action and/or control instruction.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: February 11, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zongmin Liu, Li Ma, Feng Qu, Dongdong Zhang, Wei Li, Xichao Fan, Junwei Guo, Biqi Li
  • Publication number: 20250021324
    Abstract: A software update method includes: receiving, by a target vehicle, first indication information, the first indication information being used to instruct to report version information of target software; sending, by the target vehicle, current version information of the target software configured on the target vehicle to a first control node currently establishing a communication connection with the target vehicle; further, receiving, by the target vehicle, second indication information sent by the first control node, the second indication information being used to indicate updated version information of the target software; and updating, by the target vehicle, the target software according to the second indication information.
    Type: Application
    Filed: October 19, 2022
    Publication date: January 16, 2025
    Inventors: Xichao FAN, Zhipeng LU, Biqi LI, Yazhou REN, Yali WANG, Feng QU
  • Publication number: 20240347914
    Abstract: The present disclosure provides a filtering antenna. The filtering antenna includes: a ground layer, a first dielectric layer, a second dielectric layer and a radiating patch and a coupling probe. The coupling probe includes a microstrip line sandwiched between the first and second dielectric layers, and includes a feeder that penetrates the first dielectric layer. The microstrip line includes a trunk line and an open-circuit branch line connected to the trunk line. A distance between a feed center of the microstrip line and a first end of the trunk line is D1, and a distance between an orthographic projection of the first end of the trunk line on the second dielectric layer and an orthographic projection of an edge of the radiating patch on the second dielectric layer is D4, where 2.5?D1/D4?3.0.
    Type: Application
    Filed: April 16, 2024
    Publication date: October 17, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yali WANG, Xichao FAN
  • Patent number: 12119529
    Abstract: The disclosure provides a phase shifter, a manufacturing method thereof and an antenna, and belongs to the field of communication technology. The phase shifter includes a first substrate; a signal line and reference lines on the first substrate; a first insulating layer on the signal line; a plurality of electrode film bridges on a side of the first insulating layer distal to the signal line; and a first transmission structure on the first insulating layer and electrically connected to the signal line; and an orthographic projection of the first transmission structure on the first substrate is not overlapped with an orthographic projection of the plurality of electrode film bridges on the first substrate.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: October 15, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zongmin Liu, Chunxin Li, Wei Li, Xichao Fan, Junwei Guo, Jijing Huang, Mengjun Hou
  • Patent number: 12095170
    Abstract: A calibration system and a calibration method for a phased-array antenna are provided. The calibration system includes a receiving probe, a parameter tester, an upper computer and a beam controller. The receiving probe may acquire a beam signal, which is radiated by a to-be-tested phased-array antenna according to a provided microwave signal, at a preset position. The parameter tester may generate a test parameter according to the microwave signal and the beam signal. The upper computer may determine whether the to-be-tested phased-array antenna meets a preset index according to the test parameter, and in a case where the to-be-tested phased-array antenna does not meet the preset index, calculate the test parameter according to a genetic algorithm to generate optimized beam control data. The beam controller may generate a control voltage according to the optimized beam control data, and transmit the control voltage to the to-be-tested phased-array antenna.
    Type: Grant
    Filed: December 12, 2021
    Date of Patent: September 17, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Junwei Guo, Zongmin Liu, Xichao Fan, Wei Li, Feng Qu
  • Publication number: 20240275052
    Abstract: An antenna includes a first feed layer, a second feed layer and a radiation structure layer stacked; the first feed layer includes a first dielectric substrate and a micro-strip line structure stacked; multiple first conductive patches in a first conductive structure are electrically connected to a reference ground structure through an electrical connection structure on the second dielectric substrate; the reference ground structure is provided with a first slot, multiple first conductive patches are symmetrically arranged with respect to a first centerline, and the first centerline is a centerline of the first slot extending along the second direction; the radiation structure layer includes a third dielectric substrate and a second conductive structure stacked, multiple second conductive patches in the second conductive structure are symmetrically disposed with respect to the first centerline, any one of the second conductive patches is provided with at least one second slot.
    Type: Application
    Filed: June 21, 2022
    Publication date: August 15, 2024
    Inventors: Yali WANG, Xichao FAN, Feng QU
  • Publication number: 20240258706
    Abstract: A frequency selective surface unit includes dielectric substrate(s), first resonant pattern(s) and second resonant pattern(s). A first resonant pattern is disposed on a dielectric substrate. Each of the first resonant pattern(s) includes a plurality of protruding portions. A second resonant pattern is disposed on the dielectric substrate; and the second resonant pattern and the first resonant pattern have a distance therebetween in a direction parallel to a plane where the dielectric substrate is located and/or a direction perpendicular to the dielectric substrate.
    Type: Application
    Filed: February 28, 2022
    Publication date: August 1, 2024
    Applicants: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengwen JIA, Dongdong ZHANG, Xichao FAN, Yali WANG, Yafei ZHANG, Guoqiang TANG, Feng QU, Biqi LI
  • Publication number: 20240258713
    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: Application
    Filed: December 30, 2021
    Publication date: August 1, 2024
    Applicants: 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: 20240250429
    Abstract: An ultra wide band antenna structure and an electronic device. The ultra wide band antenna structure includes: a dielectric substrate; an antenna structure, located on a side of the dielectric substrate; the antenna structure includes a radiation patch and a feeder line; and a ground layer, located on a side of the dielectric substrate facing away from the antenna structure; the radiation patch has a first hollowed-out slit, and a length of the first hollowed-out slit is related to ?/2; and ? represents a wave length in a frequency band of a needed notch wave.
    Type: Application
    Filed: February 18, 2022
    Publication date: July 25, 2024
    Inventors: Yali WANG, Xichao FAN, Feng QU
  • Publication number: 20240250433
    Abstract: Disclosed are an antenna unit and an electronic device, wherein the antenna unit includes a dielectric substrate, an antenna layer and a ground layer located on both sides of the dielectric substrate; wherein the antenna layer includes a microstrip feed line, a radiation patch and a microstrip coupling line structure located on a side of the microstrip feed line in a first direction, the microstrip coupling line structure comprises a first branch structure, a microstrip coupling line and a second branch structure that are sequentially connected along the first direction, the first branch structure is arranged at intervals with the microstrip feed line, and the ground layer includes a floor groove, wherein there is a first overlapping area between an orthographic projection of the floor groove on the dielectric substrate and an orthographic projection of the microstrip feed line on the dielectric substrate.
    Type: Application
    Filed: February 28, 2022
    Publication date: July 25, 2024
    Inventors: Yali WANG, Feng QU, Biqi LI, Xichao FAN
  • Publication number: 20240243480
    Abstract: An antenna and an electronic device are provided in the present disclosure. The antenna includes a first conductive layer, a dielectric layer, and a second conductive layer which are stacked; the first conductive layer is provided as a microstrip line structure; the second conductive layer is provided with a radiation structure and a director; the radiation structure includes a first edge and a second edge disposed oppositely along a first direction; the radiation structure is provided with a first slot, a second slot, and a third slot that are sequentially communicated along the first direction and away from the first edge, the first slot is circular, the second slot is rectangular, and the third slot gradually increases in dimension in the second direction; the director is disposed on the second conductive layer and located at a side of the third slot away from the second slot.
    Type: Application
    Filed: February 21, 2022
    Publication date: July 18, 2024
    Inventors: Xichao FAN, Yali WANG, Youjian HU, Zhipeng LU, Guoqiang TANG