Patents by Inventor Luke Ding

Luke Ding 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: 12609077
    Abstract: A display substrate and a display device. The display substrate includes a driving circuit layer, a first scanning line and a second scanning line. The driving circuit layer includes pixel units arranged in an array form, each pixel unit includes a plurality of sub-pixels, at least one sub-pixel includes a pixel driving circuit, the pixel driving circuit includes a first transistor and a second transistor, an active pattern of the first transistor includes a first channel region, an active pattern of the second transistor includes a second channel region, the first channel region is located on a side of the first scanning line away from the second scanning line, and the second channel region is located on a side of the second scanning line away from the first scanning line.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: April 21, 2026
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Yongqian Li, Zhidong Yuan, Cheng Xu, Dacheng Zhang, Dandan Zhou, Liu Wu, Luke Ding, Xiuting Liu
  • Publication number: 20260047294
    Abstract: Disclosed is a display substrate including multiple repetition units, wherein a repetition unit includes a display region and a light transmitting region. The display region 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, and the light emitting device includes a first electrode. The display substrate includes multiple conductive layers. The first electrode plate, an electrode plate connection electrode, and the first electrode are disposed in different conductive layers. The first electrode plate is connected with the electrode plate connection electrode through a first electrode plate via, the first electrode plate is connected with the electrode plate connection electrode through a second electrode plate via, and the second electrode plate via is disposed on a side of the first electrode plate via close to the light transmitting region.
    Type: Application
    Filed: October 23, 2025
    Publication date: February 12, 2026
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN, Luke DING, Liu WU
  • Patent number: 12520683
    Abstract: A display substrate and driving method thereof, a display device are provided. The display substrate includes: a base substrate, and a plurality of repeating units and a plurality of data lines on the base substrate, the plurality of repeating units are divided into plurality of repeating unit columns; each repeating unit includes a plurality of subpixels, the subpixel includes a subpixel driving circuit, the subpixel driving circuit includes a data writing transistor, a writing control transistor and a driving transistor; the first electrode of the data writing transistor is coupled to the corresponding data line, the second electrode of the data writing transistor is coupled to the first electrode of the writing control transistor, and the second electrode of the writing control transistor is coupled to the gate of the driving transistor.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: January 6, 2026
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Liu Wu, Zhidong Yuan, Luke Ding, Yongqian Li, Cheng Xu, Dandan Zhou, Dacheng Zhang
  • Patent number: 12520594
    Abstract: A display substrate including a base substrate and a driving module arranged on the base substrate, the driving module includes at least one driving unit, and the driving unit includes N stages of driving circuits; N is a positive integer, n is a positive integer less than or equal to N; the nth stage of driving circuit includes a (2n?1)th stage of output circuit, a 2nth stage of output circuit and a first node control circuit; the first node is electrically connected to the (2n?1)th stage of output circuit and the 2nth stage of output circuit respectively through a first connection line; the driving module also includes a scanning line; there are at least two mutually independent overlapping portions between the orthographic projection of the first connection line on the base substrate and the orthographic projection of the scanning line on the base substrate.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: January 6, 2026
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Luke Ding, Zhidong Yuan, Liu Wu, Yongqian Li, Dacheng Zhang, Cheng Xu, Dandan Zhou
  • Patent number: 12471482
    Abstract: Disclosed are a display panel, a manufacturing method therefor, and a display apparatus. The display panel comprises: a base substrate (10); a padding layer (20) arranged at one side of the base substrate (10); a thin film transistor structure layer (30) arranged at one side of the base substrate (10); a planar layer (40) arranged at the side of the thin film transistor structure layer (30) away from the base substrate (10); an organic electroluminescent device (50) arranged at the side of the planar layer (40) away from the base substrate (10), the organic electroluminescent device (50) comprising an anode (51), an effective light emission layer (52), and a cathode (53) in a layered arrangement; an auxiliary electrode (60) arranged on the side of the thin film transistor structure layer (30) away from the base substrate (10); and an ineffective light emission layer (521).
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: November 11, 2025
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Jingang Fang, Luke Ding, Jun Liu, Wei Li, Jun Cheng
  • Patent number: 12439783
    Abstract: A display substrate and a display device are provided. The display substrate includes a light emitting element disposed on a base substrate, and an encapsulation layer, a connection layer, a light extraction layer, a polarization conversion layer and a polarization layer stacked sequentially at a light exiting side of the light emitting element. The light extraction layer is configured to convert at least a portion of light emitted by the light emitting element incident onto the light extraction layer into circularly polarized light with a set rotational direction to pass through the light extraction layer. The polarization conversion layer is configured to convert the circularly polarized light passing through the light extraction layer into linearly polarized light, with a polarization direction parallel to a direction of a light transmission axis of the polarization layer; the connection layer is configured to bond the light extraction layer to the encapsulation layer.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: October 7, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Luke Ding, Yongqian Li
  • 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
  • Publication number: 20250104626
    Abstract: A display substrate and a display device. The display substrate includes a driving circuit layer, a first scanning line and a second scanning line. The driving circuit layer includes pixel units arranged in an array form, each pixel unit includes a plurality of sub-pixels, at least one sub-pixel includes a pixel driving circuit, the pixel driving circuit includes a first transistor and a second transistor, an active pattern of the first transistor includes a first channel region, an active pattern of the second transistor includes a second channel region, the first channel region is located on a side of the first scanning line away from the second scanning line, and the second channel region is located on a side of the second scanning line away from the first scanning line.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 27, 2025
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN, Cheng XU, Dacheng ZHANG, Dandan ZHOU, Liu WU, Luke DING, Xiuting LIU
  • Publication number: 20250098446
    Abstract: A display substrate and driving method thereof, a display device are provided. The display substrate includes: a base substrate, and a plurality of repeating units and a plurality of data lines on the base substrate, the plurality of repeating units are divided into plurality of repeating unit columns; each repeating unit includes a plurality of subpixels, the subpixel includes a subpixel driving circuit, the subpixel driving circuit includes a data writing transistor, a writing control transistor and a driving transistor; the first electrode of the data writing transistor is coupled to the corresponding data line, the second electrode of the data writing transistor is coupled to the first electrode of the writing control transistor, and the second electrode of the writing control transistor is coupled to the gate of the driving transistor.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 20, 2025
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Liu Wu, Zhidong Yuan, Luke Ding, Yongqian Li, Cheng Xu, Dandan Zhou, Dacheng Zhang
  • Publication number: 20250098447
    Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate, data lines and sub-pixels on the base substrate. The sub-pixels include a sub-pixel driving circuit and a light-emitting element including a first electrode. The sub-pixel driving circuit includes a driving transistor and a data writing transistor having a first electrode coupled to the data line through a second connection structure. A second electrode of the driving transistor is coupled to the first electrode through a first connection structure. The first and second connection structures are in a non-aperture region of the sub-pixel. Orthographic projections of the first and second connection structures onto the base substrate are arranged along a first direction. An orthographic projection of the second connection structure onto the base substrate and an aperture region of the sub-pixel are along a second direction which intersects the first direction.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 20, 2025
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Zhidong Yuan, Liu Wu, Luke Ding, Yongqian Li, Cheng Xu, Dandan Zhou, Dacheng Zhang
  • Publication number: 20250089365
    Abstract: A display substrate including a base substrate and a driving module arranged on the base substrate, the driving module includes at least one driving unit, and the driving unit includes N stages of driving circuits; N is a positive integer, n is a positive integer less than or equal to N; the nth stage of driving circuit includes a (2n?1)th stage of output circuit, a 2nth stage of output circuit and a first node control circuit; the first node is electrically connected to the (2n?1)th stage of output circuit and the 2nth stage of output circuit respectively through a first connection line; the driving module also includes a scanning line; there are at least two mutually independent overlapping portions between the orthographic projection of the first connection line on the base substrate and the orthographic projection of the scanning line on the base substrate.
    Type: Application
    Filed: July 28, 2022
    Publication date: March 13, 2025
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Luke DING, Zhidong YUAN, Liu WU, Yongqian LI, Dacheng ZHANG, Cheng XU, Dandan ZHOU
  • Patent number: 12236892
    Abstract: Provided is a gate driver circuit. The gate driver circuit is applicable to a display panel, wherein the display panel includes a plurality of rows of pixels; the gate driver circuit including at least one gate driver sub-circuit; wherein the gate driver sub-circuit includes: at least two shift register groups, wherein each shift register group includes a plurality of shift register units; at least two first dummy units, wherein the at least two first dummy units are respectively coupled to a same input enable terminal and the at least two shift register groups; and at least two second dummy units, wherein the at least two second dummy units are coupled to the at least two shift register groups.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: February 25, 2025
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO. , LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Liu Wu, Luke Ding, Cheng Xu, Miao Liu, Xing Yao
  • Patent number: 12230210
    Abstract: A display substrate, including: a plurality of partition control signal lines disposed on a base substrate; and a plurality of sub-pixels disposed on the base substrate, at least one of the sub-pixels includes a pixel circuit and a light emitting device. The pixel circuit includes a switch transistor, a first partition control transistor, a drive transistor and a first initialization transistor. The first partition control transistor is electrically connected to the switch transistor, the first initialization transistor, the drive transistor and at least one partition control signal line. The first partition control transistor is configured to: in response to a partition control signal on the partition control signal line, selectively transmit a received first initialization signal to a gate electrode of the drive transistor in an initialization phase, and selectively transmit a received data signal to the gate electrode of the drive transistor in a data writing phase.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: February 18, 2025
    Assignees: Heifei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Liu Wu, Can Yuan, Zhidong Yuan, Cheng Xu, Luke Ding, Yongqian Li, Xiuting Liu
  • Patent number: 12223900
    Abstract: A display substrate and a display apparatus. The display substrate includes a display area provided with pixel circuits arranged in an array and a non-display area provided with M light emitting driving circuits, M control driving circuits and M reset driving circuits. Odd-numbered light emitting driving circuits are electrically connected with first and second light emitting clock signal lines, and even-numbered light emitting driving circuits are connected with third and fourth light emitting clock signal lines; and/or, odd-numbered control driving circuits are electrically connected with first and second control clock signal lines, and even-numbered control driving circuits are connected with third and fourth control clock signal lines; and/or, odd-numbered reset driving circuits are electrically connected with first and second reset clock signal lines, and even-numbered reset driving circuits are connected with third and fourth reset clock signal lines.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: February 11, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Liu Wu, Xiuting Liu, Luke Ding, Cheng Xu, Miao Liu, Xing Yao
  • Publication number: 20250014520
    Abstract: Provided is a gate driver circuit. The gate driver circuit is applicable to a display panel, wherein the display panel includes a plurality of rows of pixels; the gate driver circuit including at least one gate driver sub-circuit; wherein the gate driver sub-circuit includes: at least two shift register groups, wherein each shift register group includes a plurality of shift register units; at least two first dummy units, wherein the at least two first dummy units are respectively coupled to a same input enable terminal and the at least two shift register groups; and at least two second dummy units, wherein the at least two second dummy units are coupled to the at least two shift register groups.
    Type: Application
    Filed: July 28, 2022
    Publication date: January 9, 2025
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhidong YUAN, Yongqian LI, Can YUAN, Liu WU, Luke DING, Cheng XU, Miao LIU, Xing YAO
  • Publication number: 20240395201
    Abstract: A display substrate and a display apparatus. The display substrate includes a display area provided with pixel circuits arranged in an array and a non-display area provided with M light emitting driving circuits, M control driving circuits and M reset driving circuits. Odd-numbered light emitting driving circuits are electrically connected with first and second light emitting clock signal lines, and even-numbered light emitting driving circuits are connected with third and fourth light emitting clock signal lines; and/or, odd-numbered control driving circuits are electrically connected with first and second control clock signal lines, and even-numbered control driving circuits are connected with third and fourth control clock signal lines; and/or, odd-numbered reset driving circuits are electrically connected with first and second reset clock signal lines, and even-numbered reset driving circuits are connected with third and fourth reset clock signal lines.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 28, 2024
    Inventors: Zhidong YUAN, Yongqian LI, Can YUAN, Liu WU, Xiuting LIU, Luke DING, Cheng XU, Miao LIU, Xing YAO
  • Publication number: 20240397650
    Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes: a base substrate including a display area and a first frame area located on one side of the display area; and a first power bus at least located in the first frame area. The first power bus includes a first sub-bus, a second sub-bus and at least two connecting wires. The first sub-bus is located between the second sub-bus and the display area, and the first sub-bus is electrically connected to the second sub-bus by means of the at least two connecting wires.
    Type: Application
    Filed: July 4, 2023
    Publication date: November 28, 2024
    Inventors: Luke DING, Can YUAN, Cheng XU
  • Publication number: 20240381716
    Abstract: The disclosure provides a display substrate, which has a display region and a peripheral region, and includes a base substrate, a plurality of sub-pixels, a first power signal line and a second power signal line at least partially located in the display region, a first power signal bus and a second power signal bus located in the peripheral region; the sub-pixels are located in the display region; the first power signal line and the second power signal line are electrically connected to the first power signal bus and the second power signal bus, respectively; the second power signal bus includes a first part disposed on a side of the first power signal bus close to the display region, and a second part disposed on a side of the first power signal bus away from the display region, so as to at least partially surround the first power signal bus.
    Type: Application
    Filed: May 20, 2022
    Publication date: November 14, 2024
    Inventors: Luke DING, Yongqian LI, Can YUAN
  • Publication number: 20240365615
    Abstract: A display substrate and a preparation method therefor, and a display apparatus. The display substrate includes a base substrate, and a display area and a mounting area provided on the base substrate; the display area includes multiple second pixel circuits, the mounting area includes multiple first pixel circuits, and an area of an orthographic projection of a first pixel circuit on the base substrate is smaller than an area of an orthographic projection of a second pixel circuit on the base substrate.
    Type: Application
    Filed: July 8, 2024
    Publication date: October 31, 2024
    Inventors: Luke DING, Yongqian LI