Patents by Inventor Liqing LIAO

Liqing LIAO 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: 20240302701
    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: May 17, 2024
    Publication date: September 12, 2024
    Inventors: Liqing LIAO, Hongmin LI, Silin FENG, Ying WANG, Fengjing TANG
  • Patent number: 12019343
    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: April 27, 2023
    Date of Patent: June 25, 2024
    Assignees: HEFB BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqing Liao, Hongmin Li, Silin Feng, Ying Wang, Fengjing Tang
  • 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: 20220382110
    Abstract: A display substrate is provided, including: a base (1); and a plurality of pixel units (10) located on the base (1) and arranged in an array, where the display substrate further includes a plurality of data lines (25), and for each of the plurality of data lines (25), the data line (25) extends along a column direction and is located between adjacent first pixel unit (10A) and second pixel unit (10B) in a row direction, the data line (25) is arranged in a different layer from a first pixel electrode (40A) of the first pixel unit (10A) and a second pixel electrode (40B) of the second pixel unit (10B), and the data line (25) includes a first branch line (252) and a second branch line (253) that are connected in parallel and extend in the column direction; an orthographic projection of the first branch line (252) on the base (1) at least partially overlaps with an orthographic projection of the first pixel electrode (40A) on the base (1); an orthographic projection of the second branch line (253) on the base (1)
    Type: Application
    Filed: May 25, 2021
    Publication date: December 1, 2022
    Inventors: Dong WANG, Hongmin LI, Liqing LIAO
  • Publication number: 20220308413
    Abstract: Provided is a display substrate. In the display substrate, wherein orthographic projections, on the base substrate, of the gate electrodes and the gate lines connected to the gate electrodes of the thin film transistors in the pixel units in an nth row are spaced apart from orthographic projections, on the base substrate, of the pixel electrodes in the pixel units in the nth row, and orthographic projections, on the base substrate, of the gate electrodes and the gate lines connected to the gate electrodes of the thin film transistors in the pixel units in an nth row are partly overlapped with the orthographic projections, on the base substrate, of the pixel electrodes in the pixel units in an (n+1)th row.
    Type: Application
    Filed: April 8, 2021
    Publication date: September 29, 2022
    Inventors: Liqing Liao, Dong Wang
  • 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: 11327359
    Abstract: Discloses are a display panel, a method of manufacturing the same and a display device. The display panel includes: a first substrate; a second substrate disposed opposite to the first substrate; and a reflective structure group disposed on the first substrate, the reflective structure group includes a plurality of reflective structures in one-to-one correspondence with visual fields of view, and a reflective surface of each reflective structure of the reflective structures faces the second substrate, and the reflective structure is configured to reflect light from the second substrate in a predetermined direction to a corresponding field of view.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: May 10, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Tao, Wei Xue, Li Sun, Hongmin Li, Liqing Liao
  • Patent number: 11237662
    Abstract: Embodiments of the present disclosure provide a touch display substrate, a method for manufacturing the same, a driving method thereof, and a display device thereof. The touch display substrate includes a substrate, a plurality of electrode blocks, independent of each other and arranged in an array, disposed on the substrate, and a switching device disposed between the adjacent electrode blocks. The electrode block is configured to receive a common voltage during a display period and receive a touch scan signal during a touch period. The switching device is configured to electrically connect the adjacent electrode blocks during the display period and electrically isolate the adjacent electrode blocks from each other during the touch period.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: February 1, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqing Liao, Hongmin Li, Zhifu Dong
  • Publication number: 20210349347
    Abstract: Discloses are a display panel, a method of manufacturing the same and a display device. The display panel includes: a first substrate; a second substrate disposed opposite to the first substrate; and a reflective structure group disposed on the first substrate, the reflective structure group includes a plurality of reflective structures in one-to-one correspondence with visual fields of view, and a reflective surface of each reflective structure of the reflective structures faces the second substrate, and the reflective structure is configured to reflect light from the second substrate in a predetermined direction to a corresponding field of view.
    Type: Application
    Filed: June 29, 2018
    Publication date: November 11, 2021
    Inventors: Jian TAO, Wei XUE, Li SUN, Hongmin LI, Liqing LIAO
  • Publication number: 20210278919
    Abstract: Embodiments of the present disclosure provide a touch display substrate, a method for manufacturing the same, a driving method thereof, and a display device thereof. The touch display substrate includes a substrate, a plurality of electrode blocks, independent of each other and arranged in an array, disposed on the substrate, and a switching device disposed between the adjacent electrode blocks. The electrode block is configured to receive a common voltage during a display period and receive a touch scan signal during a touch period. The switching device is configured to electrically connect the adjacent electrode blocks during the display period and electrically isolate the adjacent electrode blocks from each other during the touch period.
    Type: Application
    Filed: June 8, 2018
    Publication date: September 9, 2021
    Inventors: Liqing LIAO, Hongmin LI, Zhifu DONG
  • 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: 10937816
    Abstract: A switching element, a manufacturing method thereof, an array substrate and a display device are provided. The switching element includes: a base substrate; a first thin-film transistor (TFT), disposed on the base substrate; and a second TFT, disposed on the first TFT, wherein the first TFT includes a first electrode and a second electrode, and the first TFT and the second TFT share the first electrode and the second electrode.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: March 2, 2021
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Liqing Liao, Hongmin Li, Ying Wang, Dong Wang
  • Patent number: 10890789
    Abstract: The present disclosure relates to a mask and a manufacturing method thereof as well as a display device, the mask includes a transmittable substrate and a mask pattern formed on the transmittable substrate, wherein a transmittance of the transmittable substrate decreases gradually from the edge to the center.
    Type: Grant
    Filed: September 30, 2017
    Date of Patent: January 12, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Ping Song, Hongmin Li, Zhifu Dong, Wei Xue, Liqing Liao
  • Patent number: 10872912
    Abstract: A display substrate and a display device. The display substrate includes a signal line, an electro-static lead-out line, and an electro-static discharge unit including a first thin film transistor, a third thin film transistor and a fourth thin film transistor; a drain electrode and a gate electrode of the first thin film transistor are connected to the signal line; a source electrode of the first thin film transistor, a gate electrode of the third thin film transistor and a gate electrode of the fourth thin film transistor are connected to a first node; a drain electrode of the third thin film transistor and a drain electrode of the fourth thin film transistor are connected to the signal line; a source electrode of the third thin film transistor and a source electrode of the fourth thin film transistor are connected to the electro-static lead-out line.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: December 22, 2020
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying Wang, Hongmin Li, Liqing Liao, Li Sun
  • Patent number: 10859920
    Abstract: A fabrication method of a mask and a mask, a display panel and a touch panel are provided. The fabrication method of the mask includes: providing a substrate; forming a photoresist material layer on the substrate; and performing at least two scanning exposure processes on the photoresist material layer by using a scanning beam, wherein, each of the at least two scanning exposure processes is performed along a first direction parallel to a surface where the substrate is located, the scanning beam in each of the at least two scanning exposure processes scans the photoresist material layer in a scanning region having a preset width, at least one pair of adjacent scanning regions partially overlap with each other, and a partially overlapping region of the at least one pair of adjacent scanning regions is located in a first region of the mask.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: December 8, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Liqing Liao, Hongmin Li, Jian Tao
  • Publication number: 20200225513
    Abstract: The present disclosure relates to a mask and a manufacturing method thereof as well as a display device, the mask includes a transmittable substrate and a mask pattern formed on the transmittable substrate, wherein a transmittance of the transmittable substrate decreases gradually from the edge to the center.
    Type: Application
    Filed: September 30, 2017
    Publication date: July 16, 2020
    Inventors: Ping SONG, Hongmin LI, Zhifu DONG, Wei XUE, Liqing LIAO
  • Patent number: 10698278
    Abstract: The embodiments of the present disclosure provide an array substrate, display panel and display apparatus. The array substrate comprises a plurality of gate lines extending in a row direction; a plurality of data lines extending in a column direction; and an array comprising a plurality of pixels. Each column of pixels of the plurality of pixels are coupled to two data lines of the plurality of data lines, the two data lines are configured to provide same data signal for displaying an image to the column of pixels, a first data line of the two data lines and a second data line of the two data lines are arranged at both sides of the column of pixels along the row direction, respectively. The array substrate, display panel and display apparatus according to the embodiments of the present disclosure can greatly reduce coupling capacitance between a pixel electrode and a data line, thereby an effect of reducing crosstalk can be achieved.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: June 30, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhifu Dong, Wei Xue, Hongmin Li, Liqing Liao
  • Patent number: 10658061
    Abstract: A shift register circuit, a driving method, a gate driving circuit, and a display device are provided. The shift register circuit includes a clock signal adjustment circuit and a self-control conduction circuit; the clock signal adjustment circuit includes a first clock signal input terminal, a second clock signal input terminal, and a clock signal adjustment output terminal; the clock signal adjusting circuit is configured to, in the case that the first clock signal and the second clock signal are both at a second level, output a first level via a clock signal adjustment output terminal; the self-control conduction circuit is configured to, in the case that the pull-up node is at the first level, control the clock signal adjustment output terminal connect with a pull-up node, or in the case that the pull-up node is at a second level, disconnect the clock signal adjustment output terminal from the pull-up node.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: May 19, 2020
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqing Liao, Hongmin Li, Zhifu Dong, Silin Feng
  • Patent number: D1008972
    Type: Grant
    Filed: August 18, 2023
    Date of Patent: December 26, 2023
    Inventor: Liqing Liao