Patents by Inventor Yunyan XIE

Yunyan XIE 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: 20250232738
    Abstract: A display panel and a display apparatus. The display panel comprises an electronic-paper display unit and a display control circuit. The display control circuit comprises a capacitor energy storage module, an antenna module, a control module and a comparator, wherein the antenna module is connected to the capacitor energy storage module, and charges the capacitor energy storage module in response to a radio-frequency signal; the control module is connected to the capacitor energy storage module and the electronic-paper display unit; the comparator is connected to the control module and the electronic-paper display unit; and when the voltage of the capacitor energy storage module is greater than a preset threshold voltage, power is supplied to the electronic-paper display unit.
    Type: Application
    Filed: April 25, 2023
    Publication date: July 17, 2025
    Inventors: Lichun CHEN, Yunyan XIE, Bo LIU, Qiangeng CHENG
  • Patent number: 12340770
    Abstract: A driving circuit, a display device and a driving method relate to the field of display technology. The driving circuit includes: an induction coil, a first switch module, a first control circuit and a second control circuit. An induction coil is configured for receiving a first radio frequency signal or a second radio frequency signal to supply power to a driving circuit; a first switch module is respectively connected to the induction coil, the first control circuit and the second control circuit, and is configured for conducting the induction coil and the first control circuit in a first state or conducting the induction coil and the second control circuit in a second state; a first control circuit is configured for performing data transmission with a first terminal in the first state; the first terminal is a terminal for transmitting a first radio frequency signal.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: June 24, 2025
    Assignees: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunyan Xie, Lichun Chen, Xinbo Yu, Nanting Chen, Qiangeng Cheng, Junsheng Chen
  • Patent number: 12165545
    Abstract: An electronic label and an electronic label system are disclosed. The electronic label includes: a plurality of display screens; a communicator configured to receive content data to be displayed on the plurality of display screens; and a controller including a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: December 10, 2024
    Assignees: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunyan Xie, Bo Liu, Lichun Chen
  • Publication number: 20240395219
    Abstract: A driving circuit, a display device and a driving method relate to the field of display technology. The driving circuit includes: an induction coil, a first switch module, a first control circuit and a second control circuit. An induction coil is configured for receiving a first radio frequency signal or a second radio frequency signal to supply power to a driving circuit; a first switch module is respectively connected to the induction coil, the first control circuit and the second control circuit, and is configured for conducting the induction coil and the first control circuit in a first state or conducting the induction coil and the second control circuit in a second state; a first control circuit is configured for performing data transmission with a first terminal in the first state; the first terminal is a terminal for transmitting a first radio frequency signal.
    Type: Application
    Filed: July 20, 2022
    Publication date: November 28, 2024
    Applicants: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Yunyan Xie, Lichun Chen, Xinbo Yu, Nanting Chen, Qiangeng Cheng, Junsheng Chen
  • Patent number: 12026569
    Abstract: A display method of an electronic identification device, a controller, an electronic identification device and a system are provided. The display method includes: controlling the electronic identification device to enter a working state from a sleep state, and obtaining to-be-displayed data; power consumption corresponding to the electronic identification device in the sleep state being lower than power consumption corresponding to the electronic identification device in the working state; and refreshing the to-be-displayed data to an electronic ink screen for display through a serial peripheral interface bus, and controlling the electronic identification device to enter the sleep state again after the refreshing is completed.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: July 2, 2024
    Assignees: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lichun Chen, Yunyan Xie, Bo Liu, Yuanzhuo Liu, Jun Wu
  • Patent number: 12002386
    Abstract: An electronic label is provided, including: a first power supply unit, which is configured to supply power to the electronic label; a first control unit, which is configured to monitor at least one of a power supply voltage and a remaining power of the first power supply unit. The first power supply unit includes a first booster circuit, and is configured to turn on the first booster circuit to boost the power supply voltage when at least one of the following conditions is met: the power supply voltage is lower than a first preset voltage threshold; and, the remaining power is lower than a first preset power threshold. The invention also provides a method for monitoring an electronic label, an electronic label monitoring device, and an electronic label system.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: June 4, 2024
    Assignees: Chongqing BOE Smart Electronics System Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yunyan Xie, Bo Liu, Lichun Chen
  • Publication number: 20230359854
    Abstract: A display method of an electronic identification device, a controller, an electronic identification device and a system are provided. The display method includes: controlling the electronic identification device to enter a working state from a sleep state, and obtaining to-be-displayed data; power consumption corresponding to the electronic identification device in the sleep state being lower than power consumption corresponding to the electronic identification device in the working state; and refreshing the to-be-displayed data to an electronic ink screen for display through a serial peripheral interface bus, and controlling the electronic identification device to enter the sleep state again after the refreshing is completed.
    Type: Application
    Filed: March 16, 2021
    Publication date: November 9, 2023
    Inventors: Lichun CHEN, Yunyan XIE, Bo LIU, Yuanzhuo LIU, Jun WU
  • Patent number: 11699406
    Abstract: A control method of an e-ink screen. The e-ink screen includes a plurality of pixels, at least one pixel includes first color charged particles and second color charged particles, and the first color charged particles and the second color charged particles are same in electrical property. The control method of the e-ink screen includes: inputting a first color driving signal to pixels expected to display a first color in the e-ink screen. The first color driving signal includes a plurality of sub-signals corresponding to a plurality of driving stages. The plurality of sub-signals include a first color imaging sub-signal and a particle separation sub-signal. The particle separation sub-signal is configured to drive the first color charged particles and the second color charged particles in the at least one pixel to move, and to separate the first color charged particles from the second color charged particles.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: July 11, 2023
    Assignees: Chongqing BOE Smart Electronics System Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Senlei Ma, Lichun Chen, Bo Liu, Yunyan Xie, Qiangeng Cheng, Heng Zheng
  • Publication number: 20220327966
    Abstract: An electronic label and an electronic label system are disclosed. The electronic label includes: a plurality of display screens; a communicator configured to receive content data to be displayed on the plurality of display screens; and a controller including a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.
    Type: Application
    Filed: June 28, 2022
    Publication date: October 13, 2022
    Inventors: Yunyan Xie, Bo Liu, Lichun Chen
  • Publication number: 20220319446
    Abstract: A control method of an e-ink screen. The e-ink screen includes a plurality of pixels, at least one pixel includes first color charged particles and second color charged particles, and the first color charged particles and the second color charged particles are same in electrical property. The control method of the e-ink screen includes: inputting a first color driving signal to pixels expected to display a first color in the e-ink screen. The first color driving signal includes a plurality of sub-signals corresponding to a plurality of driving stages. The plurality of sub-signals include a first color imaging sub-signal and a particle separation sub-signal. The particle separation sub-signal is configured to drive the first color charged particles and the second color charged particles in the at least one pixel to move, and to separate the first color charged particles from the second color charged particles.
    Type: Application
    Filed: October 29, 2020
    Publication date: October 6, 2022
    Applicants: Chongqing BOE Smart Electronics System Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Senlei MA, Lichun CHEN, Bo LIU, Yunyan XIE, Qiangeng CHENG, Heng ZHENG
  • Patent number: 11397447
    Abstract: The present disclosure provides an electronic label and a method for driving the same. The electronic label includes: a plurality of display screens; a repeater configured to receive content data to be displayed on the plurality of display screens and distribute the content data to a communicator according to a signal strength between the repeater and the communicator; the communicator configured to receive the content data from the repeater; and a controller comprising a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: July 26, 2022
    Assignees: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunyan Xie, Bo Liu, Lichun Chen
  • Patent number: 11263985
    Abstract: A power supply circuit and a display device are provided, belonging to the field of display technologies. The power supply circuit includes a boosting sub-circuit and a driving sub-circuit. The boosting sub-circuit may boost the voltage of the power signal provided by the power source; the driving sub-circuit may drive the load to work normally while ensuring that the capacitance of the capacitor in the driving sub-circuit is small when supplying power to the load with the power signal of which the voltage is boosted.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: March 1, 2022
    Assignees: Chongqing BOE Smart Electronics System Co., Ltd., BOE Technology Group Co., LTD.
    Inventors: Lichun Chen, Bo Liu, Yunyan Xie
  • Patent number: 11244219
    Abstract: The present disclosure discloses an electronic tag and a control method thereof. The electronic tag comprises: a power supply module configured to supply power to the electronic tag; a display module configured to display a display screen required by the electronic tag; an electronic tag circuit configured to control the electronic tag to operate in a state that the electronic tag is powered by the power supply module; and a switch circuit configured to disconnect the power supply module from the electronic tag circuit when the display screen does not need to be updated.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: February 8, 2022
    Assignees: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lichun Chen, Yunyan Xie, Bo Liu, Qiangeng Cheng
  • Patent number: 11233545
    Abstract: The present application discloses a method for operating a wireless communication system. The method includes receiving a series of input data bits in a current timeslot by a transmitter and encoding the input data bits with a cross-Gray coding scheme to obtain coded information bits. Additionally, the method includes mapping the coded information bits to obtain respective multiple transmission symbols Xt for the current timeslot in a constellation diagram. Furthermore, the method includes converting the multiple transmission symbols Xt to generate a space-time matrix St of the current timeslot by incorporating spatial bits associated with orders of respective transmitting antennas based on a space-time matrix St-1 of a previous timeslot. Moreover, the method includes transmitting a respective one of elements in the space-time matrix St using a respective one transmitting antenna activated in the transmitter.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: January 25, 2022
    Assignees: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Yunyan Xie, Lichun Chen, Bo Liu, Qiangeng Cheng, Han Wang
  • Publication number: 20210390885
    Abstract: An electronic label is provided, including: a first power supply unit, which is configured to supply power to the electronic label; a first control unit, which is configured to monitor at least one of a power supply voltage and a remaining power of the first power supply unit. The first power supply unit includes a first booster circuit, and is configured to turn on the first booster circuit to boost the power supply voltage when at least one of the following conditions is met: the power supply voltage is lower than a first preset voltage threshold; and, the remaining power is lower than a first preset power threshold. The invention also provides a method for monitoring an electronic label, an electronic label monitoring device, and an electronic label system.
    Type: Application
    Filed: July 27, 2020
    Publication date: December 16, 2021
    Inventors: Yunyan XIE, Bo LIU, Lichun CHEN
  • Publication number: 20210225294
    Abstract: A power supply circuit and a display device are provided, belonging to the field of display technologies. The power supply circuit includes a boosting sub-circuit and a driving sub-circuit. The boosting sub-circuit may boost the voltage of the power signal provided by the power source; the driving sub-circuit may drive the load to work normally while ensuring that the capacitance of the capacitor in the driving sub-circuit is small when supplying power to the load with the power signal of which the voltage is boosted.
    Type: Application
    Filed: December 18, 2019
    Publication date: July 22, 2021
    Inventors: Lichun Chen, Bo Liu, Yunyan Xie
  • Publication number: 20210226673
    Abstract: The present application discloses a method for operating a wireless communication system. The method includes receiving a series of input data bits in a current timeslot by a transmitter and encoding the input data bits with a cross-Gray coding scheme to obtain coded information bits. Additionally, the method includes mapping the coded information bits to obtain respective multiple transmission symbols Xt for the current timeslot in a constellation diagram. Furthermore, the method includes converting the multiple transmission symbols Xt to generate a space-time matrix St of the current timeslot by incorporating spatial bits associated with orders of respective transmitting antennas based on a space-time matrix St-1 of a previous timeslot. Moreover, the method includes transmitting a respective one of elements in the space-time matrix St using a respective one transmitting antenna activated in the transmitter.
    Type: Application
    Filed: December 9, 2019
    Publication date: July 22, 2021
    Applicants: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Yunyan Xie, Lichun Chen, Bo Liu, Qiangeng Cheng, Han Wang
  • Publication number: 20210181786
    Abstract: The present disclosure provides an electronic label and a method for driving the same. The electronic label includes: a plurality of display screens; a repeater configured to receive content data to be displayed on the plurality of display screens and distribute the content data to a communicator according to a signal strength between the repeater and the communicator; the communicator configured to receive the content data from the repeater; and a controller comprising a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Inventors: Yunyan Xie, Bo Liu, Lichun Chen
  • Patent number: 10984202
    Abstract: The present disclosure provides an electronic label and a method for driving the same. The electronic label includes: a plurality of display screens; a communicator configured to receive content data to be displayed on the plurality of display screens; and a controller comprising a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: April 20, 2021
    Assignees: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunyan Xie, Bo Liu, Lichun Chen
  • Publication number: 20210089852
    Abstract: The present disclosure discloses an electronic tag and a control method thereof. The electronic tag comprises: a power supply module configured to supply power to the electronic tag; a display module configured to display a display screen required by the electronic tag; an electronic tag circuit configured to control the electronic tag to operate in a state that the electronic tag is powered by the power supply module; and a switch circuit configured to disconnect the power supply module from the electronic tag circuit when the display screen does not need to be updated.
    Type: Application
    Filed: July 29, 2020
    Publication date: March 25, 2021
    Inventors: Lichun Chen, Yunyan Xie, Bo Liu, Qiangeng Cheng