Patents by Inventor Zhidong Yuan

Zhidong Yuan 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: 20240161687
    Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technologies.
    Type: Application
    Filed: May 13, 2021
    Publication date: May 16, 2024
    Inventors: Meng LI, Yongqian LI, Chen XU, Jingquan WANG, Dacheng ZHANG, Yu WANG, Zhidong YUAN, Zhenhua QIU
  • Publication number: 20240161691
    Abstract: A display substrate includes an underlay substrate and a plurality of pixel unit groups. The plurality of pixel unit groups are located in a display region of the underlay substrate. At least one pixel unit group includes a plurality of sub-pixel groups, wherein at least one sub-pixel group includes a pixel circuit. The pixel circuit includes a first sub-pixel circuit, a second sub-pixel circuit, and a light emitting control sub-circuit. The first sub-pixel circuit and the second sub-pixel circuit are both electrically connected to the light emitting control sub-circuit. The light emitting control sub-circuit is configured to control a first light emitting element electrically connected to the first sub-pixel circuit to emit light, and to control a second light emitting element electrically connected to the second sub-pixel circuit to emit light.
    Type: Application
    Filed: July 21, 2021
    Publication date: May 16, 2024
    Inventors: Zhidong YUAN, Yongqian LI, Dacheng ZHANG, Jingbo XU, Can YUAN
  • Patent number: 11985872
    Abstract: A display panel and an electronic device are provided. The display panel includes: a base substrate; a plurality of gate lines and a plurality of data lines located on the base substrate. A plurality of sub-pixel units are located on the base substrate, and at least one of the plurality of sub-pixel units includes a light-emitting element, a switching transistor, an induction transistor, a driving transistor and a storage transistor. In this sub-pixel unit, an orthographic projection of the switching transistor on the base substrate and an orthographic projection of the induction transistor on the base substrate are located on a first side of an orthographic projection of the storage capacitor on the base substrate. An orthographic projection of the driving transistor on the base substrate is located on a second side of the orthographic projection of the storage capacitor on the base substrate.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: May 14, 2024
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Yongqian Li, Zhidong Yuan
  • Patent number: 11984072
    Abstract: A display substrate (100) and a design method therefor, and a display apparatus. The display substrate (100) includes: pixel circuits which are arranged in an array, where the pixel circuits are divided into at least two areas; and data switching circuits (10), which are correspondingly connected to the pixel circuits in the areas by means of data signal lines, wherein a channel width-to-length ratio (W/L) of a switch device in each data switching circuit (10) is positively correlated with a design data load of an area corresponding to the data switching circuit (10). The width-to-length ratios (W/L) of different switch devices can be matched according to different design data loads of different areas.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: May 14, 2024
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Can Yuan, Yongqian Li, Zhidong Yuan
  • Publication number: 20240153571
    Abstract: A shift register includes: an input circuit electrically connected to a first clock signal terminal, a first voltage signal terminal and a first node; a first output circuit electrically connected to the first node, a second clock signal terminal and a scanning signal terminal; a first control circuit electrically connected to a third clock signal terminal, a fourth clock signal terminal, a fifth clock signal terminal and the first node; a second control circuit electrically connected to a sixth clock signal terminal, a second voltage signal terminal, the first node, the first voltage signal terminal and a second node; a third control circuit electrically connected to the first node, the second voltage signal terminal, the third clock signal terminal and the second node; and a second output circuit electrically connected to the second node, the second voltage signal terminal and the scanning signal terminal.
    Type: Application
    Filed: May 26, 2021
    Publication date: May 9, 2024
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • Publication number: 20240155889
    Abstract: A display panel and a display device, wherein the display panel includes a display area and the display panel further includes: a base substrate, a third conductive layer, a pixel electrode layer, a common electrode layer, the third conductive layer is disposed at a side of the base substrate and includes a first conductive part in the display area. The pixel electrode layer is disposed at a side of the third conductive layer away from the base substrate, the common electrode layer is disposed at a side of the pixel electrode layer away from the base substrate, the common electrode layer includes at least a through-hole contacting part in the display area connected to the first conductive part via a first through hole.
    Type: Application
    Filed: May 26, 2021
    Publication date: May 9, 2024
    Inventors: Yongqian LI, Zhidong YUAN
  • Patent number: 11972821
    Abstract: A shift register unit and a control method thereof, a gate driving circuit, and a display device are provided. The shift register unit comprises: a first control circuit (110) and an energy storage circuit (150), which directly control the potential of a first node (Q1); a pull-down control circuit (120), a second control circuit (130) and a first pull-down circuit (140), which indirectly control the potential of the first node (Q1); and an output circuit (160), which outputs, under the control of the potential of the first node (Q1), a first voltage signal provided by a first voltage end (VDD) to a signal output end. By means of the shift register unit, the control method thereof and the gate drive circuit, the pulse width of a gate scanning signal can be adjusted, thereby meeting various display requirements.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: April 30, 2024
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan
  • Publication number: 20240135882
    Abstract: A voltage supply circuit, a voltage supply method, a voltage supply module and a display device are provided. The voltage supply circuit includes a first node control circuit, a first control node control circuit, a second node control circuit and a driving voltage output circuit. The first node control circuit controls a potential of the first node; the first control node control circuit controls the potential of the first control node; the second node control circuit controls a potential of the second node; the driving voltage output circuit is electrically connected to the second node, the driving voltage output terminal and the initial voltage terminal respectively, and is configured to control the driving voltage output terminal to output a driving voltage according to the initial voltage provided by the initial voltage terminal under the control of the potential of the second node.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 25, 2024
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan
  • Publication number: 20240138211
    Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate and a plurality of sub-pixels arranged on the base substrate, the plurality of the sub-pixels are arranged in an array, the sub-pixel includes: a reference signal line and a second scan line; and a sub-pixel driving circuit including a driving transistor and a second transistor, a gate electrode of the second transistor is coupled to the second scan line, a first electrode of the second transistor and the reference signal line form an integrated structure, a second electrode of the second transistor is coupled to a gate electrode of the driving transistor.
    Type: Application
    Filed: November 29, 2021
    Publication date: April 25, 2024
    Inventors: Zhidong YUAN, Yongqian LI, Can YUAN, Jun LIU
  • Patent number: 11961466
    Abstract: A shift register unit and a driving method thereof, a gate driving circuit, and a display device. The shift register unit includes: an input circuit, a first capacitor circuit, an output circuit, an output pull-down circuit, a coupling circuit, and an inverter circuit. The inverter circuit is coupled to an input control terminal, a first node, a second node, and a first level signal input terminal, and a second level signal input terminal; and used to control to connect or disconnect the second node and the first level signal input under the control of the input control terminal and the first level signal input terminal; also used to control to connect or disconnect the second node and the second level signal input terminal under the control of the first node and the second level signal input terminal.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: April 16, 2024
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Pan Xu
  • Patent number: 11963397
    Abstract: A display region includes a plurality of pixel driving circuitry setting regions arranged sequentially in a first direction, and each pixel driving circuitry setting region extends in a second direction intersecting the first direction. Each display circuitry includes a plurality of subpixels in one-to-one correspondence with the pixel driving circuitry setting regions, each subpixel includes a subpixel driving circuitry and a light-emitting element coupled to each other, the subpixel driving circuitry is located in a corresponding pixel driving circuitry setting region, the light-emitting element is located at a side of the subpixel driving circuitry away from the substrate, a width of the light-emitting element is greater than a width of the corresponding pixel driving circuitry setting region in the first direction, and a length of the light-emitting element is smaller than a length of the corresponding pixel driving circuitry setting region in the second direction.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: April 16, 2024
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Meng Li, Yongqian Li, Jingquan Wang, Chen Xu, Dacheng Zhang, Zhidong Yuan, Can Yuan, Xuehuan Feng
  • Publication number: 20240122034
    Abstract: A display substrate, a display panel and a method of manufacturing a display substrate are provided. The display substrate includes: a substrate; a plurality of pixel units including at least a first pixel unit including a first light-emitting region and a first non-light-emitting region; a first light-emitting element arranged in the first light-emitting region, including a first electrode, a light-emitting layer and a second electrode; a scan driving circuit arranged in the first non-light-emitting region; and a first auxiliary electrode located in a first partial region in the first non-light-emitting region, wherein the scan driving circuit includes a plurality of scan driving sub-circuits located in a second partial region in the first non-light-emitting region; an orthographic projection of the first partial region on the substrate overlaps an orthographic projection of the second partial region on the substrate, and the first auxiliary electrode is electrically connected to the second electrode.
    Type: Application
    Filed: April 28, 2021
    Publication date: April 11, 2024
    Inventors: Pan Xu, Zhidong Yuan
  • Patent number: 11955089
    Abstract: Provided is a display substrate. The display substrate includes two pixels arranged along a first direction and adjacent to each other on a base substrate, and a pixel circuit in each of the two pixels includes a drive transistor, a first reset transistor, and a second reset transistor. A display device is also provided.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: April 9, 2024
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Pan Xu
  • Patent number: 11935483
    Abstract: Provided are a pixel circuit, a driving method thereof and a display panel. The pixel circuit includes: multiple sub-pixel circuits in an array; each sub-pixel circuit includes a first node control sub-circuit, a second node control sub-circuit, a driving sub-circuit, a storage sub-circuit, a reading sub-circuit and a light emitting device; at least reading sub-circuits of the sub-pixel circuits of some rows are controlled by a same sensing control line; the first node control sub-circuit charges the storage sub-circuit in response to a first scan signal; the second node control sub-circuit writes a reference voltage signal into a second node in response to a second scan signal; the reading sub-circuit reads a potential of the second node in response to a sensing control signal written by a sensing control line; the driving sub-circuit drives the light emitting device to emit light.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: March 19, 2024
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan
  • Patent number: 11937480
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. At least one sub-pixel includes a first transistor, a second transistor and a storage capacitor. The display substrate further includes an extension portion protruding from the gate electrode of the first transistor, and the extension portion is extended from the gate electrode of the first transistor in the second direction; the extension portion is at least partially overlapped with the first electrode of the second transistor in a direction perpendicular to the base substrate and is electrically connected with the first electrode of the second transistor; in the first direction, the extension portion has a second side closest to the second capacitor electrode, and the second side is recessed in a direction away from the second capacitor electrode.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: March 19, 2024
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongyuan Wu, Yongqian Li, Can Yuan, Zhidong Yuan, Meng Li, Dacheng Zhang, Lang Liu
  • Publication number: 20240087516
    Abstract: Provided is a display substrate, including: a base substrate; a plurality of sub-pixels arranged in an array on the base substrate, each of the sub-pixels including a light-emitting drive circuit, a reset circuit, a compensation circuit and a light-emitting element; wherein the light-emitting drive circuit and the reset circuit are connected to the light-emitting element, the light-emitting drive circuit is configured to provide a drive signal to the light-emitting element, and the reset circuit is configured to provide a reset signal to the light-emitting element; the compensation circuit is connected to the light-emitting drive circuit, and the compensation circuit is configured to provide a compensation signal to the light-emitting drive circuit; wherein at least two of the sub-pixels share a same target circuit, and the target circuit includes at least one of the reset circuit and the compensation circuit.
    Type: Application
    Filed: May 13, 2021
    Publication date: March 14, 2024
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • Publication number: 20240087661
    Abstract: A shift register unit and a control method thereof, a gate driving circuit, and a display device are provided. The shift register unit comprises: a first control circuit (110) and an energy storage circuit (150), which directly control the potential of a first node (Q1); a pull-down control circuit (120), a second control circuit (130) and a first pull-down circuit (140), which indirectly control the potential of the first node (Q1); and an output circuit (160), which outputs, under the control of the potential of the first node (Q1), a first voltage signal provided by a first voltage end (VDD) to a signal output end. By means of the shift register unit, the control method thereof and the gate drive circuit, the pulse width of a gate scanning signal can be adjusted, thereby meeting various display requirements.
    Type: Application
    Filed: April 15, 2021
    Publication date: March 14, 2024
    Inventors: Zhidong YUAN, Yongqian LI, Can YUAN
  • Patent number: 11929022
    Abstract: The present disclosure provides a multiplexing circuitry, a multiplexing method, a multiplexing module, and a display device. The multiplexing circuitry includes N multiplexing unit circuitries, N energy storage unit circuitries and N control unit circuitries. An nth multiplexing unit circuitry is configured to enable an nth output data line to be electrically coupled to or electrically decoupled from an input data line under the control of a potential at an nth control end; an nth energy storage unit circuitry is configured to control a potential at the nth control end in accordance with an nth clock signal; and an nth control unit circuitry is configured to enable the nth control end to be electrically coupled to or electrically decoupled from an nth switch control line in accordance with a control voltage signal and an nth switch control signal.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: March 12, 2024
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan
  • Publication number: 20240078978
    Abstract: A display substrate including a base substrate and a plurality of pixel units on the base substrate. Each pixel unit includes: a plurality of sub-pixels and at least one scanning line. The plurality of sub-pixels are arranged sequentially in a first direction, each sub-pixels includes a sub-pixel driving circuit and a light-emitting element, and the sub-pixel driving circuit is coupled to the light-emitting element. Each scanning line includes a first scanning conductive layer and a second scanning conductive layer arranged in a laminated manner, the first scanning conductive layer is coupled to the second scanning conductive layer, the first scanning conductive layer includes at least a portion extending in the first direction, and the first scanning conductive layer is coupled to a plurality of sub-pixel driving circuits in the plurality of sub-pixels.
    Type: Application
    Filed: August 5, 2022
    Publication date: March 7, 2024
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN, Luke DING
  • Patent number: 11922874
    Abstract: The present disclosure provides a display control method and a display control device. The display control method is used for a display panel. The display panel includes at least a first display area and a second display area arranged in a first direction, the first display area is coupled to a first signal line, and the second display area is coupled to a second signal line. The display control method includes: controlling a first sub-pixel in the first display area to display an image via the first signal line; and controlling a second sub-pixel in the second display area to display an image via the second signal line. A light-emission phase of the first sub-pixel at most partially overlaps a light-emission phase of the second sub-pixel.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: March 5, 2024
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhidong Yuan, Can Yuan, Yongqian Li, Lang Liu