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: 20250246120
    Abstract: The present disclosure provides a display device and a display panel. The display panel includes: multiple pixel circuit rows at a side of the substrate, where multiple pixel circuit rows form multiple pixel circuit groups distributed in a column direction, and each pixel circuit group includes at least one pixel circuit row; a gate drive circuit, including multiple shift registers, where at least one shift register is between two adjacent pixel circuit groups. Each of the shift register includes: an output sub-circuit, connected with a first node and a second node, configured to perform output based on potentials of the first node and the second node; and an input sub-circuit, connected with multiple clock signal lines to control the potentials of the first node and the second node based on potentials of multiple clock signal lines.
    Type: Application
    Filed: March 22, 2023
    Publication date: July 31, 2025
    Inventors: Zhidong YUAN, Yongqian LI, Liu WU, Huihui LI, Can YUAN, Cheng XU
  • Publication number: 20250248245
    Abstract: Disclosed is a display substrate including multiple repetitive units, a repetitive unit includes multiple sub-pixels, a sub-pixel at least includes a pixel drive circuit, a scan signal line, and an auxiliary signal line, the pixel drive circuit includes a first electrode plate and at least one transistor connected with the first electrode plate through a connection electrode; in a direction perpendicular to the display substrate, the display substrate includes a first conductive layer and a second conductive layer, the auxiliary signal line and the first electrode plate are disposed in the first conductive layer, the scan signal line and the connection electrode are disposed in the second conductive layer, an orthographic projection of the scan signal line on a plane of a base substrate is within a range of an orthographic projection of the auxiliary signal line on the plane of the base substrate.
    Type: Application
    Filed: August 31, 2023
    Publication date: July 31, 2025
    Inventors: Luke DING, Jingang FANG, Can YUAN, Zhidong YUAN, Xiuting LIU, Yongqian LI
  • Publication number: 20250248244
    Abstract: Embodiments of the present disclosure provide a display substrate and a preparation method therefor, and a display apparatus. The display substrate includes multiple repetition units (100), wherein a repetition unit includes a display region (110) and a light transmitting region (120). The display region (110) includes multiple sub-pixels, a sub-pixel includes a pixel drive circuit and a light emitting device, the pixel drive circuit includes a first electrode plate (11), and the light emitting device includes a first electrode (61). The display substrate includes multiple conductive layers. The first electrode plate (11), an electrode plate connection electrode (50), and the first electrode (61) are disposed in different conductive layers.
    Type: Application
    Filed: July 17, 2023
    Publication date: July 31, 2025
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN, Luke DING, Liu WU
  • Patent number: 12374290
    Abstract: A display panel and a display device are provided, the first signal line extends from the display region to the electrostatic discharge region in a first direction, and provides a first display signal to the sub-pixels; the electrostatic discharge units are arranged in the first direction, each electrostatic discharge unit includes a sub electrostatic discharge unit, each sub electrostatic discharge unit includes an electrostatic discharge circuit and a first conductor, the electrostatic discharge circuit is connected to the first signal line and the first conductor, and charges on the first signal line move towards the first conductor; the electrostatic discharge units include two adjacent electrostatic discharge units in a second direction perpendicular to the first direction, orthographic projections of the two adjacent electrostatic discharge units on a plane parallel to the first direction are not overlapped, and on a plane parallel to the second direction are overlapped.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: July 29, 2025
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liu Wu, Zhidong Yuan, Yongqian Li, Li Sun
  • Patent number: 12364122
    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: Grant
    Filed: November 19, 2021
    Date of Patent: July 15, 2025
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Yongqian Li, Zhidong Yuan, Pan Xu
  • Publication number: 20250225907
    Abstract: A gate driving circuit and a method for driving a gate driving circuit, a display panel, and a display device are provided. The gate driving circuit includes M groups of shift register units, and each group includes one first shift register unit and N?1 second shift register units. The first noise reduction of the first shift register unit performs noise reduction under control of the second node. The second noise reduction circuit of the second shift register units performs noise reduction under control of the second node. In a same group of shift register units, the first shift register unit and the second shift register units share a same second node. A first input signal and a second input signal received by a Kth group of shift register units are a shift signal of a first shift register unit in a (K?2)th group of shift register units.
    Type: Application
    Filed: September 30, 2022
    Publication date: July 10, 2025
    Inventors: Xiuting LIU, Zhidong YUAN, Can YUAN, Liu WU, Yongqian LI, Cheng XU, Miao LIU, Xing YAO
  • Publication number: 20250221201
    Abstract: A display substrate and a display apparatus are provided. The display substrate includes a display area and a bonding area connected to the display area. The display area includes multiple data signal lines extending in a second direction, multiple first transfer connection electrodes extending in a first direction, multiple third transfer connection electrodes extending in the second direction, and multiple sub-pixels arranged in an array, at least some of the first transfer connection electrodes are respectively connected to the multiple data signal lines and are respectively connected to at least some of the third transfer connection electrodes, and the end of each third transfer connection electrode connected to a first transfer connection electrode is connected to the bonding area; lengths of the multiple data signal lines, which extend in the second direction, are not exactly the same; and the multiple sub-pixels form a plurality of pixels arranged in an array.
    Type: Application
    Filed: February 18, 2024
    Publication date: July 3, 2025
    Inventors: Jianwei YU, Zhidong YUAN, Yongqian LI
  • Patent number: 12340743
    Abstract: The present disclosure provides a signal selection circuit and a signal selection method of a display panel, and a display device. The display panel has N regions and includes pixel driving circuits and M gate driving circuits for providing M gate driving signals to the pixel driving circuits; each gate driving circuit includes N gate driving sub-circuits, each of which is configured to provide one gate driving signal to the pixel driving circuits in one region; M?2, N?2, and M and N are integers; the signal selection circuit includes: M frame start signal lines, each of which is configured to provide a frame start signal for one gate driving circuit; and a selection sub-circuit configured to output frame start signals written by the frame start signal lines to the gate driving sub-circuits corresponding to the regions of the display panel according to a preset sequence.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: June 24, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Cheng Xu, Dacheng Zhang, Can Yuan, Xiuting Liu, Yongqian Li
  • Patent number: 12328993
    Abstract: A display substrate, a method of manufacturing a display substrate, and an electronic device are provided. The display substrate includes: a base substrate; a thin film transistor arranged on the base substrate; a first planarization layer arranged on a side of the thin film transistor away from the base substrate; a first protective layer arranged on a side of the first planarization layer away from the base substrate; a first conductive layer arranged on a side of the first protective layer away from the base substrate; and a second planarization layer arranged on a side of the first conductive layer away from the base substrate, wherein the display substrate is provided with a first via hole penetrating the first protective layer, and the first planarization layer is in contact with the second planarization layer through the first via hole.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: June 10, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Pan Xu, Zhidong Yuan
  • Patent number: 12324330
    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: Grant
    Filed: September 15, 2021
    Date of Patent: June 3, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Dacheng Zhang, Can Yuan, Yongqian Li
  • Patent number: 12315448
    Abstract: A pixel circuit and a driving method thereof, and a display device are disclosed. The pixel circuit includes a driving circuit, a data writing circuit, a reset circuit, a light-emitting control circuit and a light-emitting element. The driving circuit includes a control terminal, a first terminal and a second terminal; the data writing circuit is connected to a first node to apply a data voltage; the reset circuit is connected to the first node to apply a reference voltage. The pixel circuit further includes a partition control circuit, which is connected to the first node and the control terminal, and is configured to apply the data voltage and the reference voltage to the control terminal; the reset circuit is connected to one of the first terminal and the second terminal of the driving circuit, and the reset circuit is further configured to apply an initialization voltage to the driving circuit.
    Type: Grant
    Filed: January 12, 2023
    Date of Patent: May 27, 2025
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Pan Xu, Yongqian Li, Can Yuan
  • Patent number: 12300168
    Abstract: Provided is a display panel. The display panel includes: a substrate; a plurality of first control lines and a plurality of second control lines on a side of the substrate; and a plurality of subpixels arranged in an array on the side of the substrate, wherein at least two of the plurality of subpixels share a first node; wherein the subpixel includes a first circuit and a second circuit, the first circuit and the second circuit being configured to control a voltage at the first node in response to a first control signal and a second control signal; wherein in the display panel, a sum of a number of the plurality of first control lines and a number of the plurality of second control lines is less than or equal to a number of the subpixels in a column direction.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: May 13, 2025
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Yongqian Li, Zhidong Yuan
  • Patent number: 12300173
    Abstract: The present disclosure provides a pixel circuit, a display panel and a display apparatus, belongs to the field of display technology, and can solve a problem that a current time for compensating a threshold voltage is limited, and is easily affected by a sub-threshold voltage. The pixel circuit includes a reset sub-circuit, a data writing sub-circuit, a threshold compensation sub-circuit, a sub-threshold compensation sub-circuit, a driving transistor, a first storage capacitor, a first light emitting control sub-circuit, a second light emitting control sub-circuit and a light emitting device; the sub-threshold compensation sub-circuit is configured to store a voltage of a fourth node and compensate a sub-threshold of the driving transistor by using the voltage of the fourth node; the fourth node is a connection point between the sub-threshold compensation sub-circuit, a second electrode of the driving transistor, the data writing sub-circuit and the second light emitting control sub-circuit.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: May 13, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Yongqian Li
  • Patent number: 12300181
    Abstract: A display substrate includes N groups of gate driving circuits and a multiplex circuit. Each group of gate driving circuits includes X gate driving circuits, and each gate driving circuit is electrically connected to rows of pixel circuits in a corresponding display zone. The X gate driving circuits are configured to output X scan signals of different functions to the rows of pixel circuits connected thereto. The multiplex circuit is electrically connected to N gate driving circuits of the N groups of gate driving circuits outputting scan signals of the same function, N selection control signal terminals and a start signal terminal. The multiplex circuit is configured to, under at least one selection control signal from at least one selection control signal terminal, select at least one group of gate driving circuits, and transmit a start signal from the start signal terminal to each selected group of gate driving circuits.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: May 13, 2025
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan
  • Publication number: 20250151583
    Abstract: Provided are a display panel and a method for manufacturing the same, and a display device. The display panel includes: a base substrate including a display area and a peripheral area; a separator located at the peripheral area and including at least one separation portion, each separation portion including a first and a second separation layer, and the orthographic projection of the first separation layer on the base substrate is within that of the second separation layer; a cathode including: a first cathode portion, and a second cathode spaced apart from the first cathode portion; and an encapsulation layer including a first and a second inorganic layer, and an organic layer located between the first and the second inorganic layer, wherein edges of the orthographic projections of the first inorganic layer, the organic layer, and the second inorganic layer on the base substrate overlap.
    Type: Application
    Filed: January 9, 2025
    Publication date: May 8, 2025
    Inventors: Pan Xu, Zhidong Yuan, Yongqian Li, Can Yuan
  • Publication number: 20250140182
    Abstract: A display panel includes a first pixel driving circuit and a second pixel driving circuit. A data writing transistor and a driving transistor in the first pixel driving circuit, a driving transistor and a data writing transistor in the second pixel driving circuit are sequentially arranged. In the first pixel driving circuit, a first electrode plate of a capacitor is coupled to the driving transistor at a first coupling position and coupled to a first light-emitting device at a second coupling position located at a side of the first coupling position away from the data writing transistor. In the second pixel driving circuit, a first electrode plate of a capacitor is coupled to the driving transistor at a third coupling position and coupled to a second light-emitting device at a fourth coupling position located between the third coupling position and the data writing transistor.
    Type: Application
    Filed: June 1, 2022
    Publication date: May 1, 2025
    Applicants: Hefei BOE Joint Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong YUAN, Yongqian LI, Can YUAN, Liu WU
  • Publication number: 20250143074
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes a substrate, and a compensation electrode, an auxiliary electrode, a light-emitting functional layer, and a cathode layer arranged on one side of the substrate. The auxiliary electrode is arranged on one side of the compensation electrode away from the substrate, and coupled to the compensation electrode. A first notch is formed in a side surface of the auxiliary electrode, and at least a part of the first notch extends in a direction parallel to the substrate. The light-emitting functional layer is arranged on one side of the auxiliary electrode away from the substrate, and interrupted at the first notch. The cathode layer is arranged on one side of the light-emitting functional layer away from the substrate, and coupled to the auxiliary electrode at the first notch.
    Type: Application
    Filed: January 2, 2025
    Publication date: May 1, 2025
    Inventors: Can YUAN, Yongqian LI, Bin ZHOU, Ning LIU, Zhidong YUAN
  • Patent number: 12288514
    Abstract: A display method, including: performing a full-screen display refresh on a display panel at a first refresh rate; meanwhile, setting a refresh factor to n, where n is a positive integer; refreshing the local area of the display panel at the second refresh rate; increasing the refresh factor by m, where m is a positive integer; determining whether the refresh factor is greater than or equal to a set value; if yes, performing the full-screen display refresh on the display panel at the first refresh rate; setting the refresh factor to n; and if no, continuing refreshing the same local area of the display panel at the second refresh rate; increasing the refresh factor by m, where the second refresh rate is greater than the first refresh rate, and the second refresh rate is an integer multiple of the first refresh rate.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: April 29, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenchao Bao, Zhidong Yuan, Xiaolong Wei, Min He, Huihui Li
  • Patent number: 12283240
    Abstract: A light-emitting control circuit includes: a first detection control unit configured to transmit a first voltage signal to the first node under control of a detection control signal and a first clock signal; a first light-emitting output unit configured to transmit the first voltage signal to a first output signal terminal under control of a voltage of the first node; a second detection control unit configured to transmit the first voltage signal to a second node under control of the detection control signal and a second clock signal; and a second light-emitting output unit configured to transmit the first voltage signal to a second output signal terminal under control of a voltage of the second node.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: April 22, 2025
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO. , LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan
  • Patent number: 12284877
    Abstract: A display device, a display panel thereof, and a method of manufacturing the display panel are provided. The display panel includes: a substrate; a light-emitting structure disposed on the substrate; a pixel driving circuit disposed between the substrate and the light-emitting structure, and including a storage capacitor, an orthographic projection of the storage capacitor on the substrate at least partially overlaps with an orthographic projection of the light-emitting structure on the substrate, the storage capacitor includes a first transparent electrode plate disposed adjacent to the substrate and a second transparent electrode plate disposed far away from the substrate, and an orthographic projection of the first transparent electrode plate on the substrate is located within an orthographic projection of the second transparent electrode plate on the substrate.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: April 22, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhidong Yuan, Can Yuan, Xuelian Cheng, Jing Gan, Meng Li