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).

  • 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: 20250151540
    Abstract: A display substrate and a display device. The display substrate includes a base substrate, and a plurality of pixel units and a plurality of scanning lines on the base substrate. Each pixel unit includes a plurality of sub-pixels and a light shielding layer, the plurality of sub-pixels is arranged in sequence in a first direction, each sub-pixel includes a sub-pixel driving circuitry and a light-emitting element coupled to each other, and the sub-pixel driving circuitry is configured to provide a driving signal to the light-emitting element. At least a part of the light shielding layer is arranged between the sub-pixel driving circuitry and the base substrate. Each scanning line includes at least a part extending in the first direction, is coupled to a corresponding sub-pixel driving circuitry, and is arranged at a same layer as the light shielding layer.
    Type: Application
    Filed: January 8, 2025
    Publication date: May 8, 2025
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongqian LI, Can YUAN, Xuehuan FENG
  • 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
  • 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
  • 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
  • Publication number: 20250124841
    Abstract: A driving circuit includes a pull-up node control circuit, a pull-down node control circuit and an output circuit; the pull-up node control circuit controls a potential of the pull-up node under the control of an input signal and a reset signal; the output circuit controls the output terminal to output a signal under the control of the potential of the pull-up node and the potential of the pull-down node; a channel length of at least one transistor among at least some transistors included in the output circuit, at least some transistors whose gate electrodes are electrically connected to the input terminal included in the pull-up node control circuit, and at least some transistors whose gate electrodes are electrically connected to the reset terminal included in the pull-up node control circuit is greater than a channel length of another transistor included in the driving circuit.
    Type: Application
    Filed: March 31, 2023
    Publication date: April 17, 2025
    Inventors: Can YUAN, Yongqian LI, Miao LIU, Dandan ZHOU, Cheng XU
  • Patent number: 12274128
    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: Grant
    Filed: August 5, 2021
    Date of Patent: April 8, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yongqian Li, Can Yuan
  • Publication number: 20250113705
    Abstract: Provided are a display substrate and a display device. The display substrate includes a driving transistor and a storage capacitor, the storage capacitor includes a first electrode plate and a second electrode plate, the second electrode plate is arranged in a same layer as the channel of the driving transistor, the second electrode plate is closer to the base substrate than the first electrode plate, an orthographic projection of the second electrode plate on the base substrate overlaps with an orthographic projection of the pixel opening on the base substrate, the display substrate satisfies a following relationship: a value range of (W*L+S2)*M1/M2 is [0.014, 0.133], and a value range of S2/(W*L) is [2.82, 28.
    Type: Application
    Filed: November 17, 2022
    Publication date: April 3, 2025
    Inventors: Tong WU, Hongli WANG, Pan LI, Ying HAN, Ying CUI, Can YUAN, Xing ZHANG, Ruqin ZHANG, Chunping LONG
  • 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: 20250098445
    Abstract: Pixel circuit, driving control method, display substrate and device are disclosed. The pixel circuit includes a driving circuit, a control circuit and a light-emitting module; the driving circuit generates driving current for driving the light-emitting module under control of control end of the driving circuit; the control circuit is connected to first scanning line, power supply voltage line and second end of the driving circuit, and controls connection between the power supply voltage line and the second end of the driving circuit under control of first scanning signal; second end of the light-emitting module is connected to a cathode voltage line. With the control circuit, branch current can be increased by increasing forward and reverse voltages, such that foreign bodies at dark spots can be burnt out and the dark spots can be changed into normal pixels, thereby improving product yield and displaying quality.
    Type: Application
    Filed: January 12, 2023
    Publication date: March 20, 2025
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • 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: 20250098416
    Abstract: A display substrate and a display apparatus are provided. In the display substrate, the light emitting device includes a common electrode connected to a common voltage terminal. The display unit includes an auxiliary electrode line, a first auxiliary electrode and an auxiliary insulation layer. The auxiliary electrode line includes a longitudinal portion located in the display region and a transverse portion at least partially located in the non-light-emitting region, and the transverse portion is connected with the longitudinal portion; the first auxiliary electrode is located in the non-luminous region and electrically connected with the common electrode; the auxiliary insulation layer includes a first auxiliary via hole located in the non-light emitting region and exposing at least part of the lateral portion, and the first auxiliary electrode is connected with the lateral portion through the first auxiliary via hole.
    Type: Application
    Filed: April 29, 2022
    Publication date: March 20, 2025
    Inventors: Can YUAN, Yongqian LI, Yu WANG, Dacheng ZHANG, Xinxin WANG, Bin ZHOU, Ning LIU
  • 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: 20250098479
    Abstract: A display substrate is provided. The display substrate includes a planarization layer; a light emitting element on the planarization layer, including a first electrode, an organic layer on the first electrode, and a second electrode on a side of the organic layer away from the first electrode; an auxiliary electrode in a layer different from the second electrode; one or more first connecting structures electrically connecting the auxiliary electrode with the second electrode, respectively; and one or more second connecting structures electrically connecting the auxiliary electrode with the second electrode, respectively; wherein a respective first connecting structure of the one or more first connecting structures includes a conductive channel including a sintered conductive material; and the conductive channel is absent in the one or more second connecting structures.
    Type: Application
    Filed: February 28, 2023
    Publication date: March 20, 2025
    Applicants: Hefei BOE Joint Technology Co.,Ltd., BOE Technology Group Co., Ltd.
    Inventors: Can Yuan, Yongqian Li, Cheng Xu, Dandan Zhou, Ning Liu
  • Publication number: 20250098448
    Abstract: A display substrate, a method for operating the same, and a display device are provided. The display substrate includes a base substrate and a display unit. In the sub-pixel of the display substrate, the light emitting device includes a first electrode including a first portion and a second portion spaced apart from each other; the display unit further includes a connection structure and a first transfer electrode, the connection structure is electrically connected with the first portion of the first electrode and the second portion of the first electrode, and includes a connection portion located in the non-light-emitting region; the first transfer electrode is electrically connected with the first pole of the driving transistor and includes a portion located in the non-light-emitting region, and the connection portion is electrically connected with the portion of the first transfer electrode located in the non-light-emitting region.
    Type: Application
    Filed: April 29, 2022
    Publication date: March 20, 2025
    Inventors: Can YUAN, Yongqian LI, Dacheng ZHANG
  • Publication number: 20250095571
    Abstract: A display substrate and a display device are disclosed, the display substrate has a plurality of display partitions arranged in a plurality of rows and columns, and at least one display partition includes a plurality of sub-pixels; the display substrate includes a base substrate and common scanning signal lines, the common scanning signal lines are provided on the base substrate, and include a plurality of first common scanning signal lines extending along a first direction and a plurality of second common scanning signal lines extending along a second direction, and the first direction is different from the second direction; each of the plurality of second common scanning signal lines is electrically connected to one first common scanning signal line, and is configured to provide a common scanning signal to one display partition.
    Type: Application
    Filed: January 12, 2023
    Publication date: March 20, 2025
    Inventors: Zhidong YUAN, Can YUAN, Dacheng ZHANG, Yongqian LI
  • Publication number: 20250098449
    Abstract: A display substrate and a display apparatus are provided. In the display substrate, the pixel definition layer defines opening regions of a plurality of sub-pixels; two adjacent sub-pixels are respectively an upper sub-pixel and a lower sub-pixel; the first electrode of the upper sub-pixel has a first edge close to the lower sub-pixel and a second edge intersecting with the first edge; the opening region of the upper sub-pixel has a first edge close to the lower sub-pixel and a second edge intersecting with the first edge; the distance between the first edge of the first electrode of the upper sub-pixel and the first edge of the opening region of the upper sub-pixel is greater than the distance between the second edge of the first electrode of the upper sub-pixel and the second edge of the opening region of the upper sub-pixel.
    Type: Application
    Filed: April 29, 2022
    Publication date: March 20, 2025
    Inventors: Can YUAN, Yongqian LI, Dacheng ZHANG, Bin ZHOU, Yu WANG, Xinxin WANG, Ning LIU
  • Patent number: 12254836
    Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate; a plurality of pixels; and a light emitting control line and a first power supply line which are electrically connected to a light emitting control circuit of the pixel. The light emitting control circuits of pixels located in two adjacent rows share the same light emitting control line. The light emitting control circuit includes a light emitting control transistor, the gate of the light-emitting control transistor is electrically connected to the light emitting control line, one of the first electrode and the second electrode of the light emitting control transistor is connected to the first power supply line, and the first power supply line extends in parallel to the light emitting control line.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: March 18, 2025
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Yongqian Li, Can Yuan
  • 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