Patents by Inventor Fengjing Tang

Fengjing Tang 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: 20230266628
    Abstract: An array substrate and a reflective display substrate are disclosed. The array substrate includes a base, and a plurality of data lines and a plurality of sub-pixels that are disposed on the base. The sub-pixel includes a reflective pixel electrode and a TFT. An orthographic projection of the pixel electrode in each sub-pixel on the base is overlapped with orthographic projections of a first electrode, a first data line and a second data line.
    Type: Application
    Filed: April 27, 2023
    Publication date: August 24, 2023
    Inventors: Liqing Liao, Hongmin Li, Silin Feng, Ying Wang, Fengjing Tang
  • Patent number: 11686984
    Abstract: An array substrate and a reflective display substrate are disclosed. The array substrate includes a base, and a plurality of data lines and a plurality of sub-pixels that are disposed on the base. The sub-pixel includes a reflective pixel electrode and a TFT. An orthographic projection of the pixel electrode in each sub-pixel on the base is overlapped with orthographic projections of a first electrode, a first data line and a second data line.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: June 27, 2023
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqing Liao, Hongmin Li, Silin Feng, Ying Wang, Fengjing Tang
  • Publication number: 20220399378
    Abstract: A display panel includes a driving circuit and a signal line. The signal line includes at least two main signal sub-lines each including a first end and a second end, the first ends of the at least two main signal sub-lines are electrically coupled to each other, and the second ends thereof are electrically coupled to each other. N main signal sub-lines in the at least two main signal sub-lines are directly electrically coupled to the driving circuit. Each of the N main signal sub-lines is a direct-coupled main signal sub-line, and a main signal sub-line in the at least two main signal sub-lines other than the direct-coupled main signal sub-lines is an indirect-coupled main signal sub-line which is not directly electrically coupled to the driving circuit but electrically coupled to the driving circuit via the direct-coupled main signal sub-line, where N is a positive integer.
    Type: Application
    Filed: December 24, 2020
    Publication date: December 15, 2022
    Inventors: Wei XUE, Fengjing TANG, Hongmin LI
  • Publication number: 20220244604
    Abstract: An array substrate and a reflective display substrate are disclosed. The array substrate includes a base, and a plurality of data lines and a plurality of sub-pixels that are disposed on the base. The sub-pixel includes a reflective pixel electrode and a TFT. An orthographic projection of the pixel electrode in each sub-pixel on the base is overlapped with orthographic projections of a first electrode, a first data line and a second data line.
    Type: Application
    Filed: January 27, 2022
    Publication date: August 4, 2022
    Inventors: Liqing Liao, Hongmin Li, Silin Feng, Ying Wang, Fengjing Tang
  • Patent number: 11393384
    Abstract: The present disclosure is related to a shift register circuit. The shift register circuit may include a shift output circuit and N driving output circuits. N is an integer larger than 1. Among the N driving output circuits, an i-th driving output circuit may be respectively coupled to an i-th driving clock signal terminal of N driving clock signal terminals, a pull-up node of the shift output circuit, and an i-th driving output terminal of N driving output terminals. The i-th driving output circuit may be configured to input an i-th driving clock signal from the i-th driving clock signal terminal to the i-th driving output terminal under a control of the pull-up node, wherein i is a positive integer not greater than N.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: July 19, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Xue, Hongmin Li, Fengjing Tang, Ying Wang
  • Patent number: 11263940
    Abstract: A shift register unit, a driving method thereof, a gate drive circuit and a display device are provided. The shift register unit includes: an input circuit, an output circuit, a pull-down control circuit and a pull-down circuit; and the output circuit is connected to a first DC power supply terminal, a second clock signal terminal, a pull-up node, a first driving signal output terminal and a second driving signal output terminal respectively, and is configured to output a first power supply signal of the first DC power supply terminal to the first driving signal output terminal under control of the pull-up node.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: March 1, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Ying Wang, Li Sun, Fengjing Tang, Hongmin Li
  • Patent number: 11238769
    Abstract: The present disclosure provides a shift register unit, including an input sub-circuitry, a pull-up node control sub-circuitry, a pull-down node control sub-circuitry, a gate driving output sub-circuitry and a carry signal output sub-circuitry. The input sub-circuitry is connected to an input end, a second clock signal input end and a pull-up node. The pull-up node control sub-circuitry is connected to the pull-up node, a pull-down node, a first clock signal input end and a first voltage input end. The pull-down node control sub-circuitry is connected to the pull-down node, the pull-up node, the first clock signal input end, the first voltage input end and a second voltage input end.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: February 1, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying Wang, Hongmin Li, Dong Wang, Fengjing Tang
  • Patent number: 11231795
    Abstract: The present application discloses a touch control array substrate having a plurality of subpixel areas. The touch control army substrate includes a base substrate; an array of a plurality of touch electrode blocks on the base substrate; a plurality of touch signal lines respectively electrically connected to the plurality of touch electrode blocks; and a plurality of auxiliary conductive lines. A first touch electrode block of the plurality of touch electrode blocks is electrically connected to at least a first auxiliary conductive line of the plurality of auxiliary conductive lines at at least two different portions of the first touch electrode block.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: January 25, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Jian Tao, Hongmin Li, Fengjing Tang, Zhifu Dong, Wei Xue
  • Publication number: 20210366350
    Abstract: The present disclosure is related to a shift register circuit. The shift register circuit may include a shift output circuit and N driving output circuits. N is an integer larger than 1. Among the N driving output circuits, an i-th driving output circuit may be respectively coupled to an i-th driving clock signal terminal of N driving clock signal terminals, a pull-up node of the shift output circuit, and an i-th driving output terminal of N driving output terminals. The i-th driving output circuit may be configured to input an i-th driving clock signal from the i-th driving, clock signal terminal to the i-th driving output terminal under a control of the pull-up node, wherein i is a positive integer not greater than N.
    Type: Application
    Filed: June 13, 2018
    Publication date: November 25, 2021
    Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Wei Xue, Hongmin Li, Fengjing Tang, Ying Wang
  • Publication number: 20210350734
    Abstract: The present disclosure provides a shift register unit, including an input sub-circuitry, a pull-up node control sub-circuitry, a pull-down node control sub-circuitry, a gate driving output sub-circuitry and a carry signal output sub-circuitry. The input sub-circuitry is connected to an input end, a second clock signal input end and a pull-up node. The pull-up node control sub-circuitry is connected to the pull-up node, a pull-down node, a first clock signal input end and a first voltage input end. The pull-down node control sub-circuitry is connected to the pull-down node, the pull-up node, the first clock signal input end, the first voltage input end and a second voltage input end.
    Type: Application
    Filed: January 3, 2019
    Publication date: November 11, 2021
    Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying WANG, Hongmin LI, Dong WANG, Fengjing TANG
  • Publication number: 20210272491
    Abstract: A shift register unit, a driving method thereof, a gate drive circuit and a display device are provided. The shift register unit includes: an input circuit, an output circuit, a pull-down control circuit and a pull-down circuit; and the output circuit is connected to a first DC power supply terminal, a second clock signal terminal, a pull-up node, a first driving signal output terminal and a second driving signal output terminal respectively, and is configured to output a first power supply signal of the first DC power supply terminal to the first driving signal output terminal under control of the pull-up node.
    Type: Application
    Filed: January 26, 2018
    Publication date: September 2, 2021
    Inventors: Ying WANG, Li SUN, Fengjing TANG, Hongmin LI
  • Publication number: 20210233470
    Abstract: A pixel driving circuit, a display panel and a driving method thereof, and a display device are provided, the pixel driving circuit including: a driving sub-circuit having a threshold voltage (Vth); a light emission control sub-circuit electrically coupled to the driving sub-circuit; and a data write sub-circuit electrically coupled to the driving sub-circuit and the light emission control sub-circuit, and electrically coupled with the driving sub-circuit at a first node and a second node, and configured to receive a scan signal and a data signal, to set a voltage of the first node to a voltage corresponding to the data signal, and set a voltage of the second node to the threshold voltage under control of the scan signal.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 29, 2021
    Inventors: Jian Tao, Fengjing Tang, Wei Xue, Hongmin Li
  • Publication number: 20210215969
    Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel includes a first substrate and a reflective second substrate opposite to each other; a liquid crystal (LC) layer located between the first substrate and the second substrate; a first polarizer layer located at a side of the LC layer far away from the second substrate; a second polarizer layer located between the LC layer and the second substrate, the second polarizer layer being configured to allow transmitted light to have a first polarization direction. In the case where the LC layer is not applied with any voltage, light transmitted through the LC layer and the first polarizer layer has a second polarization direction, and the first polarization is substantially perpendicular to the second polarization direction.
    Type: Application
    Filed: February 13, 2018
    Publication date: July 15, 2021
    Applicants: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Li Sun, Fengjing Tang, Jian Tao, Hongmin Li
  • Publication number: 20210208760
    Abstract: The present application discloses a touch control array substrate having a plurality of subpixel areas. The touch control army substrate includes a base substrate; an array of a plurality of touch electrode blocks on the base substrate; a plurality of touch signal lines respectively electrically connected to the plurality of touch electrode blocks; and a plurality of auxiliary conductive lines. A first touch electrode block of the plurality of touch electrode blocks is electrically connected to at least a first auxiliary conductive line of the plurality of auxiliary conductive lines at at least two different portions of the first touch electrode block.
    Type: Application
    Filed: December 15, 2017
    Publication date: July 8, 2021
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Jian Tao, Hongmin Li, Fengjing Tang, Zhifu Dong, Wei Xue
  • Patent number: 11011088
    Abstract: A shift register unit, a driving method, a gate drive circuit and a display device are provided. The shift register unit includes: an input sub-circuit used to control an electric potential of the pull-up node, an output sub-circuit used to input a first clock signal from a first clock signal terminal to the output terminal, a pull-down control sub-circuit used to control an electric potential of the pull-down node, a pull-down sub-circuit used to control electric potentials of the pull-up node and the output terminal, a first reset control sub-circuit used to control an electric potential of the second control node under control of the first control node and a reset signal from the reset signal terminal and a reset sub-circuit used to control the electric potential of the pull-up node. The shift register unit improves the noise reduction efficiency at the output terminal.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: May 18, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqing Liao, Hongmin Li, Dong Wang, Fengjing Tang
  • Patent number: 10943517
    Abstract: A shift register, a method for driving the same, a gate drive circuit and a display device are provided. The shift register includes a write circuit, a pull-down control circuit and an output circuit. The write circuit is configured to write a write signal provided by a write signal input terminal to a pull-up node. The pull-down control circuit is configured to write a first operating voltage provided by a first power supply terminal to a pull-down node, and write a first clock signal to the pull-down node. The output circuit is configured to write a drive signal provided by a drive signal input terminal to a drive signal output terminal, and write a second operating voltage provided by a second power supply terminal to the drive signal output terminal.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: March 9, 2021
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Tao, Fengjing Tang, Jie Gao, Hongmin Li
  • Patent number: 10937516
    Abstract: A shift register and a driving method thereof, a gate drive circuit and a display device are provided. The shift register may comprise a transmission sub-circuit, a storage sub-circuit and an output control sub-circuit. The shift register may further comprise an output buffer sub-circuit and a reset sub-circuit. The gate drive circuit may comprise a plurality of cascaded shift registers as described above. The display device may comprise the gate drive circuit. The present disclosure guarantees the working stability, use reliability and display effect of a display panel.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: March 2, 2021
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Tao, Fengjing Tang, Zhaoke Zhang, Hongmin Li
  • Patent number: 10930198
    Abstract: The disclosure relates to a shift register unit, a driving method of shift register units, a gate driving circuit and a display panel. The shift register unit includes: an input module, a pull-up module, a storage capacitor, an output module configured to transmit a first voltage signal to a signal output terminal under the control of the first voltage signal; and an output control module configured to transmit the first voltage signal or a second power signal to the signal output terminal under the control of the voltage signal of the pull-up node and a first selection signal, and to transmit the first voltage signal or the second power signal to the signal output terminal under the control of the voltage signal of the pull-up node and a second selection signal.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: February 23, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Fengjing Tang, Zhifu Dong, Jian Tao, Hongmin Li
  • Patent number: 10923020
    Abstract: The present disclosure provides a shift register unit. The shift register unit includes an input module, an output module and an output control module. The input module is connected to an input signal terminal, a first power supply signal terminal and a pull-up node, and is configured to transmit a first power supply signal to the pull-up node. The output module is connected to the pull-up node, a clock signal terminal and an output control node, and is configured to transmit a clock signal to the output control node. The output control module is connected to the output control node, the clock signal terminal and a signal output terminal, and is configured to transmit a signal of the output control node to the signal output terminal under the control of the clock signal.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: February 16, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Wei Xue, Hongmin Li, Ying Wang, Fengjing Tang, Li Sun
  • Patent number: 10885853
    Abstract: A shift register and a method for driving the same, a gate driving circuit and a display device. The shift register includes: an input sub-circuit configured to provide a signal at the signal input terminal to the pull-up node under control of the first clock signal terminal; an output sub-circuit configured to provide a clock signal at the second clock signal terminal to the signal output terminal under control of the pull-up node; and a pull-down sub-circuit configured to provide a signal at the power supply terminal to the signal output terminal under control of the third clock signal terminal.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: January 5, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFIE BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Ying Wang, Meng Li, Hongmin Li, Dong Wang, Fengjing Tang