Patents by Inventor Can Yuan

Can 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).

  • Patent number: 11769445
    Abstract: A multiplexer circuit includes a first selection sub-circuit and a second selection sub-circuit. The first selection sub-circuit configured to transmit an input signal received at a input signal terminal to a first output terminal in response to a first control signal received at a first control terminal, and transmit a voltage of a power supply voltage terminal to the first output terminal in response to a second control signal received at a second control terminal. The second selection sub-circuit configured to transmit the input signal received at the input signal terminal to a second output terminal in response to a third control signal received at a third control terminal, and transmit the voltage of the power supply voltage terminal to the second output terminal in response to a fourth control signal received at a fourth control terminal.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: September 26, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Yongqian Li, Zhidong Yuan
  • Patent number: 11735119
    Abstract: A shift register unit and a control method thereof, a gate driving circuit and a control method thereof, and a display apparatus are provided. The shift register unit includes: a first shift register coupled to an input signal terminal, a first clock signal terminal and a second clock signal terminal. The first shift register is configured to generate a first output signal based on the signal at the first clock signal terminal and generate a second output signal based on the signal at the second clock signal terminal; and a second shift register coupled to the input signal terminal and a third clock signal terminal, the second shift register is configured to generate a third output signal based on the signal at the third clock signal terminal. The first shift register includes a first control circuit, a first output circuit and a second output circuit.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: August 22, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan
  • Publication number: 20230260586
    Abstract: The present disclosure provides a shift register unit, a driving method, a gate driving circuit and a display device. The shift register unit includes a pull-down node control circuit; the pull-down node control circuit is electrically connected to an input terminal, a reset terminal, a first voltage terminal, a second voltage terminal and a pull-down node, respectively, and is configured to, under the control of an input signal provided by the input terminal and a reset signal provided by the reset terminal, control the pull-down node to be electrically conducted to the first voltage terminal or the second voltage terminal, and control to hold a potential of the pull-down node.
    Type: Application
    Filed: December 29, 2020
    Publication date: August 17, 2023
    Inventors: Zhidong YUAN, Yongqian LI, Can YUAN, Wenchao BAO
  • Publication number: 20230252943
    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: Application
    Filed: September 13, 2021
    Publication date: August 10, 2023
    Inventors: Zhidong YUAN, Can YUAN, Yongqian LI, Lang LIU
  • Publication number: 20230178014
    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: Application
    Filed: June 3, 2021
    Publication date: June 8, 2023
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • Publication number: 20230157110
    Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a base substrate, a plurality of pixel units and a plurality of gate line groups. At least one pixel unit includes a plurality of sub-pixels. At least one sub-pixel includes a sensing transistor and a driving transistor. Each gate line group includes a first gate line and a second gate line; for the first gate line and the second gate line corresponding to the sub-pixels in the same row, the positions of the sensing transistors are closer to the second gate lines, and the positions of the driving transistors are closer to the first gate line, For two sub-pixels close to each other and located in different pixel units in the same row, at least one signal line has a double-layer alignment structure, and the double-layer alignments are electrically connected with each other.
    Type: Application
    Filed: November 29, 2019
    Publication date: May 18, 2023
    Inventors: Zhongyuan WU, Yongqian LI, Can YUAN, Zhidong YUAN, Meng LI, Dacheng ZHANG, Lang LIU
  • Publication number: 20230122411
    Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes a base substrate and a scan line, a data line, a power supply line, a sensing line, a pixel driving circuit and a light-emitting unit that are sequentially stacked on the base substrate. The array substrate also includes a gate layer, a first conductive layer, a second conductive layer, and a third conductive layer. The first electrode of the storage capacitor is at least disposed at the first conductive layer, and the second electrode of the storage capacitor is at least disposed at the second conductive layer. The data line, the power supply line, and the sensing line are disposed at the third conductive layer.
    Type: Application
    Filed: November 19, 2021
    Publication date: April 20, 2023
    Applicants: Hefei BOE Joint Technology Co.,Ltd., BOE Technology Group Co., Ltd.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN, Pan XU
  • Publication number: 20230104461
    Abstract: A display panel includes a substrate, a pad, an auxiliary electrode layer, a data line layer, a first electrode layer, a light emitting layer, and a second electrode layer. The substrate has a display area and a peripheral area. The pad is disposed on a side of the substrate and located in the peripheral area. The auxiliary electrode layer is disposed on the same side of the substrate as the pad; the data line layer is disposed on a same layer as the auxiliary electrode layer; the first electrode layer is disposed on a side of the auxiliary electrode layer facing away from the substrate; the light emitting layer is disposed on a side of the first electrode layer facing away from the substrate; and the second electrode layer is disposed on a side of the light emitting layer facing away from the substrate and connected to the auxiliary electrode layer.
    Type: Application
    Filed: December 20, 2019
    Publication date: April 6, 2023
    Inventors: Zhongyuan WU, Yongqian LI, Zhidong YUAN, Meng LI, Can YUAN
  • Publication number: 20230095733
    Abstract: The present disclosure provides a display substrate, a method for manufacturing the same, a driving method and a display device. The display substrate includes a base substrate, gate lines, data lines and sub-pixels. The sub-pixels include sub-pixel columns corresponding to the data lines in a one-to-one manner. In a sub-pixel driving circuit of the sub-pixel, a driving transistor and a data writing transistor are located at a first side of an aperture area of the sub-pixel; a sensing transistor is located at a second side of the aperture area of the sub-pixel. The first side and the second side are opposite sides of the aperture area along the extension direction of the data lines. Gate electrodes of sensing transistors in a same sub-pixel row, and gate electrodes of data writing transistors in an adjacent next sub-pixel row, are all coupled to a gate line corresponding to the adjacent next sub-pixel row.
    Type: Application
    Filed: October 29, 2019
    Publication date: March 30, 2023
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • Publication number: 20230091012
    Abstract: This application relates to display panels, methods of driving the same, and display devices. The display panel includes: a first pixel circuit and a demultiplexing circuit. The first pixel circuit includes a first reset circuit, a first data writing circuit, and a first drive circuit. A first terminal of the first reset circuit is connected to a first terminal of the first drive circuit. A second terminal of the first reset circuit is connected to a first multiplexing signal line. A control terminal of the first drive circuit is connected to a first terminal of the first data writing circuit. A second terminal of the first data writing circuit is connected to the first multiplexing signal line. The demultiplexing circuit includes a first control circuit and a second control circuit. A first terminal of the first control circuit is connected to the first multiplexing signal line. A second terminal of the first control circuit is used for receiving a reset signal.
    Type: Application
    Filed: February 9, 2021
    Publication date: March 23, 2023
    Inventors: Zhidong YUAN, Yongqian LI, Meng LI, Can YUAN, Min HE, Chao JIAO
  • Publication number: 20230080385
    Abstract: A display substrate has a display area and a peripheral area. The display substrate includes a plurality of sub-pixels, a plurality of groups of gate scan signal lines, and a plurality of groups of data lines. Each group of gate scan signal lines includes at least one gate scan signal line, each group of data lines includes n data lines, and the plurality of sub-pixels are arranged in an array; and n is greater than or equal to 2. A group of gate scan signal lines is electrically connected to n rows of sub-pixels. A column of sub-pixels is electrically connected to a group of data lines, and includes a plurality of groups of sub-pixels. Each group of sub-pixels includes n sub-pixels. The n sub-pixels are respectively electrically connected to n data lines in the group of data lines to which this column of sub-pixels is electrically connected.
    Type: Application
    Filed: October 13, 2021
    Publication date: March 16, 2023
    Applicants: Hefei BOE Joint Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • Publication number: 20230079091
    Abstract: A multiplexer circuit includes a first selection sub-circuit and a second selection sub-circuit. The first selection sub-circuit configured to transmit an input signal received at a input signal terminal to a first output terminal in response to a first control signal received at a first control terminal, and transmit a voltage of a power supply voltage terminal to the first output terminal in response to a second control signal received at a second control terminal. The second selection sub-circuit configured to transmit the input signal received at the input signal terminal to a second output terminal in response to a third control signal received at a third control terminal, and transmit the voltage of the power supply voltage terminal to the second output terminal in response to a fourth control signal received at a fourth control terminal.
    Type: Application
    Filed: September 2, 2021
    Publication date: March 16, 2023
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • Patent number: 11581372
    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 storage capacitor. The storage capacitor includes a second capacitor electrode, a first capacitor electrode and a third capacitor electrode which are sequentially on the base substrate. The first capacitor electrode has a first capacitor electrode side and a second capacitor electrode side opposite to each other in the second direction, and the second capacitor electrode has a third capacitor electrode side and a fourth capacitor electrode side opposite to each other in the second direction; orthographic projections of the first capacitor electrode side and the second capacitor electrode side on the base substrate are between an orthographic projection of the third capacitor electrode side and an orthographic projection of the fourth capacitor electrode side on the base substrate.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: February 14, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongyuan Wu, Yongqian Li, Can Yuan, Zhidong Yuan, Dacheng Zhang, Lang Liu
  • Publication number: 20230043145
    Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure has a display region, and includes a base and a plurality of data lines and a plurality of fan-out traces on the base; each of the plurality of data lines is connected to a corresponding one of the plurality of fan-out traces at a connection node in the display region; and at least one of the plurality of data lines is connected to a corresponding fan-out trace at a plurality of connection nodes.
    Type: Application
    Filed: September 15, 2021
    Publication date: February 9, 2023
    Inventors: Zhidong YUAN, Dacheng ZHANG, Can YUAN, Yongqian LI
  • Publication number: 20230021680
    Abstract: A display substrate, including: a base, and a plurality of sub-pixels arranged on the base. At least one of the plurality of sub-pixels includes a pixel driving circuit and a light-emitting element electrically connected to the pixel driving circuit. The pixel driving circuit includes a plurality of transistors and at least one storage capacitor. In a direction perpendicular to the base, the display substrate includes: a semiconductor layer, a first metal layer, a second metal layer, a third metal layer and a fourth metal layer, which are sequentially arranged on the base. The semiconductor layer includes: an active layer of the plurality of transistors. The first metal layer includes at least a scanning line extending in a first direction, a gate electrode of the plurality of transistors, and a first capacitor electrode plate of the storage capacitor.
    Type: Application
    Filed: August 5, 2021
    Publication date: January 26, 2023
    Inventors: Yongqian LI, Can YUAN
  • Publication number: 20230006023
    Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate, and gate lines extending in a first direction, data lines extending in a second direction and pixel units that are on the base substrate, the first direction intersecting the second direction; each pixel unit including sub-pixels, each sub-pixel including a pixel circuit; the pixel circuit including at least a switching transistor, a drive transistor, a sensing transistor, and a storage capacitor; for each pixel circuit, the switching transistor, the drive transistor, and the sensing transistor therein are all on a same side of the storage capacitor; the switching transistor is at an intersection of the gate line and the data line connected thereto, and the switching transistor is adjacent to the sensing transistor in the first direction and adjacent to the drive transistor in the second direction.
    Type: Application
    Filed: March 12, 2021
    Publication date: January 5, 2023
    Inventors: Can YUAN, Meng LI, Yongqian LI, Zhidong YUAN, Dacheng ZHANG
  • Patent number: 11539023
    Abstract: A display substrate and a manufacturing method thereof, and a display panel are provided. The display substrate includes a base substrate having a display region and a peripheral region adjacent to the display region, the peripheral region being provided therein with a gate driver-on-array circuit including a plurality of transistors and capacitors, all of the transistors are provided in a transistor region, at least a part of the plurality of capacitors are provided in a capacitor region, and the capacitor region is located on a side of the transistor region distal to the display region; and an encapsulation structure for encapsulating the display region and the transistor region together; the peripheral region further including a sealing region for arranging a sealing structure therein, the capacitor region is located in the sealing region, and the sealing region is provided on a side of the encapsulation structure distal to the display region.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: December 27, 2022
    Assignees: Hefei BOE Joint Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Enming Xie
  • Publication number: 20220406253
    Abstract: A display apparatus, a display panel, and a driving method thereof, and a method of detecting a pixel circuit are described. The display panel of the present disclosure includes a pixel unit and a detection apparatus, and the pixel unit includes a pixel circuit and a light-emitting element. The pixel circuit includes a first transistor, a second transistor, a driving transistor, and a storage capacitor. The detection device is configured to: turn off the first transistor and the second transistor, and detect an amount of current leakage of the driving transistor leaked through the sensing line to obtain a first current leakage parameter; detect a first characteristic parameter of the driving transistor to obtain a first reference characteristic parameter; and determine a first target characteristic parameter according to the first current leakage parameter and the first reference characteristic parameter.
    Type: Application
    Filed: December 23, 2020
    Publication date: December 22, 2022
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • Publication number: 20220398982
    Abstract: An array substrate includes: a substrate, at least one gate driving circuit and at least one clock signal line that are located on a same side of the substrate. The gate driving circuit includes a plurality of cascaded shift registers located in different rows, the plurality of shift registers are divided into at least two groups of shift registers, each group of shift registers includes at least one shift register, located in a same column. A gate driving circuit in the at least one gate driving circuit corresponds to at least one clock signal line. The clock signal line includes a main body transmission section configured to transmit a clock signal, and at least two branch transmission sections connected to the main body transmission section. Each branch transmission section is connected to a clock signal input terminal of each shift register in a respective group of shift registers.
    Type: Application
    Filed: December 26, 2020
    Publication date: December 15, 2022
    Inventors: Zhidong YUAN, Pan XU, Can YUAN, Yongqian LI, Zhongyuan WU
  • Patent number: 11508295
    Abstract: An array substrate and a manufacturing method thereof, and a display device are provided. The array substrate includes: a base substrate, and a GOA circuit, a source electrode IC and PLG wires arranged on the base substrate, and the PLG wires connect the GOA circuit with the source electrode IC. The GOA circuit transmits a GOA signal, and the GOA signal comprises a cascade signal and a non-cascade signal. The PLG wires comprise a first PLG wire group and at least one second PLG wire group, the first PLG wire group transmits the cascade signal, the second PLG wire group transmits the non-cascade signal, a line width of the first PLG wire group is smaller than that of the second PLG wire group, and the first PLG wire group is located at a side of the second PLG wire group distal to an active area of the base substrate.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: November 22, 2022
    Assignees: Hefei BOE Joint Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Zhongyuan Wu, Yongqian Li, Can Yuan, Xuehuan Feng, Zhidong Yuan