Patents by Inventor Xiaofeng Jiang

Xiaofeng Jiang 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: 12293725
    Abstract: A display substrate, a manufacturing method and a display device are provided. At least one of the plurality of shift register units in the scan driving circuit includes an output circuit including an output transistor and an output reset transistor; a length of the active layer of the output transistor/the output reset transistor in the first direction is a first length/a second length, and a sum thereof is an output active length; a smaller one of minimum width of the active layer of the output transistor and the output reset transistor in a second direction is a first output active width, the first direction intersects the second direction; a ratio of the output active length to the first output active width is within a first predetermined ratio range greater than or equal to 3 and less than or equal to 11.
    Type: Grant
    Filed: December 19, 2023
    Date of Patent: May 6, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lu Bai, Haigang Qing, Pengfei Yu, Jie Dai, Xiaofeng Jiang
  • Patent number: 12283244
    Abstract: A display substrate, including a base substrate, and a driving circuit layer and light emitting elements formed on the base substrate, and in a same pixel circuit, an active general layer includes a first column-wise active portion including active layers of a data writing transistor and a first light emission control transistor, and a first active connection portion, an orthographic projection of the first active connection portion on the base substrate at least partially overlapping an orthographic projection of a corresponding power supply line on the base substrate, a dimension of the first active connection portion in a row direction of the pixel units less than a dimension of the active layer of the data writing transistor in the row direction, and a dimension of the active layer of the first light emission control transistor in the row direction. A display panel is further provided.
    Type: Grant
    Filed: June 12, 2024
    Date of Patent: April 22, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huijun Li, Tinghua Shang, Siyu Wang, Yan Huang, Lulu Yang, Tingliang Liu, Huijuan Yang, Xiaofeng Jiang
  • Patent number: 12262611
    Abstract: Disclosed are a display panel and a display device. The display panel comprises: a base substrate, a plurality of scanning lines, a first insulating layer, a plurality of data lines, an interlayer insulating layer, and an auxiliary power line. The auxiliary power line comprises: a plurality of sub-auxiliary power lines and a plurality of auxiliary conduction lines; the plurality of sub-auxiliary power lines are arranged in a first direction and extend in a second direction, and two sub-auxiliary power lines that are at least partially adjacent are electrically connected by means of at least one auxiliary conduction line; the orthographic projection of at least one of the plurality of auxiliary conduction lines on the base substrate does not overlap the orthographic projections of the scanning lines on the base substrate.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: March 25, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Huijun Li, Tingliang Liu, Tinghua Shang, Huijuan Yang, Lulu Yang, Xiaofeng Jiang, Yi Qu, Xin Zhang, Meng Zhang, Junxi Wang, Siyu Wang, Lu Bai, Jie Dai, Hao Zhang, Yu Wang, Mengqi Wang
  • Patent number: 12245474
    Abstract: An array substrate is provided. The array substrate includes a gate line; a data line; a voltage supply line; and a pixel driving circuit. The pixel driving circuit includes a plurality of transistors and a storage capacitor. The storage capacitor includes a first capacitor electrode, a second capacitor electrode, and an insulating layer between the first capacitor electrode and the second capacitor electrode. The second capacitor electrode is electrically connected to the voltage supply line. The second capacitor electrode includes a first portion and a second portion as parts of a first unitary structure in a respective subpixel. The voltage supply line crosses over the first portion by a first crossing-over distance. The data line crosses over the second portion by a second crossing-over distance. The first crossing-over distance is greater than the second crossing-over distance.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: March 4, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Siyu Wang, Tinghua Shang, Yi Zhang, Chang Luo, Huijuan Yang, Xiaofeng Jiang, Yongjie Song, Shun Zhang, Lulu Yang
  • Publication number: 20250072210
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. A pixel region is provided with a light emission function layer on a base substrate of the display substrate, and a separation region is provided with at least one first barrier structure. The first barrier structure includes a stopper pattern and a first separation component. A side surface of the first separation component has a recess, and a portion of the light emission function layer extending to the separation region is disconnected on the side of the first separation component. The separation region is provided with an inorganic layer structure on the base substrate. The inorganic layer structure includes multiple stacked inorganic film layers, the stopper pattern is located between two adjacent inorganic film layers and the first separation component is located on a side of the inorganic layer structure away from the base substrate.
    Type: Application
    Filed: November 13, 2024
    Publication date: February 27, 2025
    Inventors: Yupeng HE, Yang ZHOU, Xin ZHANG, Pengfei YU, Xiaofeng JIANG, Yi QU, Lulu YANG, Huijun LI, Meng ZHANG
  • Patent number: 12232384
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a pixel circuit layer and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits, the anode layer includes a plurality of anode groups, each of the plurality of anode groups includes a first anode and a second anode which are oppositely arranged, the first anode includes a first main body portion and a first connection portion, the first anode further includes an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor in the pixel driving circuit connected to the first connection portion.
    Type: Grant
    Filed: December 14, 2023
    Date of Patent: February 18, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lulu Yang, Tinghua Shang, Guomeng Zhang, Yu Wang, Xiaofeng Jiang, Xin Zhang, Yupeng He, Yi Qu, Biao Liu, Mengmeng Du, Xiangdan Dong, Hongwei Ma
  • Patent number: 12225759
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. A pixel region is provided with a light emission function layer on a base substrate of the display substrate, and a separation region is provided with at least one first barrier structure. The first barrier structure includes a stopper pattern and a first separation component. A side surface of the first separation component has a recess, and a portion of the light emission function layer extending to the separation region is disconnected on the side of the first separation component. The separation region is provided with an inorganic layer structure on the base substrate. The inorganic layer structure includes multiple stacked inorganic film layers, the stopper pattern is located between two adjacent inorganic film layers and the first separation component is located on a side of the inorganic layer structure away from the base substrate.
    Type: Grant
    Filed: November 15, 2023
    Date of Patent: February 11, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Yupeng He, Yang Zhou, Xin Zhang, Pengfei Yu, Xiaofeng Jiang, Yi Qu, Lulu Yang, Huijun Li, Meng Zhang
  • Publication number: 20250024724
    Abstract: A display substrate and a display apparatus. In the display substrate, tat least one of the inter-opening region, the first opening peripheral region and the second opening peripheral region includes a dummy sub-pixel; the display region surrounds these three regions; the first signal line passes through the inter-opening region, provides a display signal to the pixel array and passes through the dummy sub-pixel; the dummy pixel circuit of the dummy sub-pixel includes a compensation capacitor. The first electrode plate of the compensation capacitor is in the same layer as the first signal line and electrically connected with the first signal line; the second electrode plate of the compensation capacitor is in a different layer from and at least partially overlaps with the first electrode plate.
    Type: Application
    Filed: September 27, 2024
    Publication date: January 16, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huijuan YANG, Tingliang LIU, Xiaofeng JIANG, Yang ZHOU, Pengfei YU, Yupeng HE, Gen LI
  • Publication number: 20250008796
    Abstract: A display substrate and a display apparatus. In the display substrate, the first signal line sequentially passes through the first display region, the opening peripheral region and the second display region along a first direction, and includes a first lead line portion and a first winding portion that are in the opening peripheral region and connected to each other; the first winding portion partially surrounds the opening; the second signal line provides a second display signal to the pixel array, passes through the peripheral region of the opening along a second direction intersecting with the first direction, includes a second winding portion in the peripheral region of the opening and partially surrounds the opening. The first lead line portion and the second signal line have a first overlapping region, and the first winding portion and the second winding portion have a second overlapping region.
    Type: Application
    Filed: September 13, 2024
    Publication date: January 2, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huijuan YANG, Yang ZHOU, Xiaofeng JIANG, Tinghua SHANG, Gen LI
  • Patent number: 12184672
    Abstract: A method for detecting security based on machine learning in combination with rule matching is provided, including: establishing a machine learning model; training the machine learning model by using a labeled legal traffic and a labeled malicious traffic; collecting a network traffic; preprocessing the collected network traffic; detecting a malicious traffic from the preprocessed network traffic by using a rule-matching-based method; identifying a malicious traffic from the preprocessed network traffic by using the trained machine learning model, including: extracting a feature of the preprocessed network traffic, and identifying the malicious traffic based on the extracted feature by using the trained machine learning model; and integrating the malicious traffic detected by the rule-matching-based method and the malicious traffic identified by the trained machine learning model.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: December 31, 2024
    Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
    Inventors: Xiaofeng Jiang, Siyu Cheng, Jian Yang, Xiaobin Tan, Yongdong Zhang
  • Patent number: 12183230
    Abstract: A display substrate, a detection method, and a display device. The display substrate includes: a substrate, including a display region and a peripheral region surrounding the display region; multiple subpixels, multiple data lines, arranged in the display region; a first control signal line, a second control signal line, a crack detection line, and at least one data detection line, arranged in the peripheral region, and the crack detection line is provided around the display region; multiple display screen detection units, arranged in the peripheral region, configured to transmit, according to a control signal provided by the first control signal line, a detection signal provided by the at least one data detection line to at least one of the multiple data lines; multiple crack detection units, arranged in the peripheral region.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: December 31, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Lu Bai, Pengfei Yu, Yi Zhang, Sen Du, Tingliang Liu, Li Song, Huijuan Yang, Xiaofeng Jiang, Yu Wang
  • Patent number: 12171125
    Abstract: A display panel and a display device are provided. The display panel includes: a sub-pixel including a pixel circuit and a light-emitting element, the light-emitting element including a first electrode; a first insulating layer, the first electrode being connected with the pixel circuit through a first via hole penetrating the first insulating layer; a pixel definition layer including an opening; the first electrode includes a main body portion and a connecting portion, the main body portion is at least partially overlapped with the opening, the connecting portion is at least partially overlapped with the first via hole, a size of the connecting portion at the first via hole in a first direction is ? to ? of a size of the main body portion in the first direction.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: December 17, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Yang Zhou, Yupeng He, Xin Zhang, Huijuan Yang, Tinghua Shang, Yu Wang, Xiaofeng Jiang, Lu Bai, Hao Zhang
  • Patent number: 12167648
    Abstract: An array substrate is provided. The array substrate includes a gate line extending along a first direction. The gate line includes a plurality of wide portions and a plurality of narrow portions respectively arranged along the first direction, the plurality of wide portions having a first dimension greater than a second dimension of the plurality of narrow portions along a second direction, the second direction at an angle in a range of 80 degrees to 100 degrees with respect to the first direction. An orthographic projection of a respective one of the plurality of wide portions in the respective subpixel on the base substrate overlaps with an orthographic projection of a portion of the semiconductor material layer in the respective subpixel on the base substrate, forming an active layer of the data-write transistor in the respective subpixel.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: December 10, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Huijuan Yang, Xiaofeng Jiang, Tinghua Shang, Yang Zhou, Yi Zhang, Lulu Yang, Lu Bai
  • Patent number: 12156442
    Abstract: A display area of the array substrate only includes first sub-pixels capable of emitting light. In each two adjacent rows of first sub-pixels, a gate line electrically connected to one row of the plurality of rows of first sub-pixels and a reset signal line electrically connected to another row of the plurality of rows of first sub-pixels are electrically connected to the same first gate drive circuit. A target line electrically connected to a first row of the plurality of rows of first sub-pixels (i.e., another line other than the line electrically connected to the first gate drive circuit) is electrically connected to a second gate drive circuit. A target line electrically connected to a last row of the plurality of rows of first sub-pixels (i.e., another line other than the line electrically connected to the first gate drive circuit) is electrically connected to a third gate drive circuit.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: November 26, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lulu Yang, Tinghua Shang, Yi Qu, Xiaofeng Jiang, Huijun Li, Mengqi Wang, Xin Zhang, Meng Zhang
  • Patent number: 12133430
    Abstract: A display substrate and a display apparatus. In the display substrate, at least one of the inter-opening region, the first opening peripheral region and the second opening peripheral region includes a virtual sub-pixel; the display region surrounds these three regions; the first signal line passes through the inter-opening region, provides a display signal to the pixel array and passes through the virtual sub-pixel; the virtual pixel circuit of the virtual sub-pixel includes a compensation capacitor. The first electrode plate of the compensation capacitor is in the same layer as the first signal line and electrically connected with the first signal line; the second electrode plate of the compensation capacitor is in a different layer from and at least partially overlaps with the first electrode plate.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: October 29, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huijuan Yang, Tingliang Liu, Xiaofeng Jiang, Yang Zhou, Pengfei Yu, Yupeng He, Gen Li
  • Patent number: 12127436
    Abstract: This disclosure provides a display panel and a display device. In the display panel, orthographic projections of a first conductive layer of the first electrode layer and the peripheral drive circuit on a plane where the drive back plate is located at least partially overlap, and the signal line is connected to the first conductive layer. The pixel definition layer includes a pixel definition area in the display area and insulating strips in the peripheral area. A separating groove exposing the first conductive layer is formed between at least two adjacent ones of the insulating strips. A second conductive layer of the second electrode layer covers the insulating strip, forms a recessed area in an area corresponding to the separating groove and is connected with the first conductive layer. The packaging layer covers the second electrode layer and fills the recessed area.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: October 22, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huijuan Yang, Kai Zhang, Tingliang Liu, Huijun Li, Xiaofeng Jiang
  • Patent number: 12114531
    Abstract: A display substrate and a display device are disclosed. The display substrate includes a base substrate, a pixel circuit layer, and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits; and the anode layer includes a plurality of anode; each pixel driving circuit includes a functional thin film transistor; the plurality of pixel driving circuits include a first pixel driving circuit and a second pixel driving circuit which are adjacently arranged, and an orthographic projection of a channel region of the functional thin film transistor in the first pixel driving circuit on the base substrate and an orthographic projection of a channel region of the functional thin film transistor in the second pixel driving circuit on the base substrate both overlap with an orthographic projection of the anode corresponding to the first pixel driving circuit on the base substrate.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: October 8, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yi Qu, Tinghua Shang, Lulu Yang, Huijun Li, Meng Zhang, Xin Zhang, Xiaofeng Jiang, Jie Dai, Lu Bai, Yupeng He, Hao Zhang
  • Patent number: 12114545
    Abstract: A display substrate and a display apparatus. In the display substrate, the first signal line sequentially passes through the first display region, the opening peripheral region and the second display region along a first direction, and includes a first lead portion and a first winding portion that are in the opening peripheral region and connected to each other; the first winding portion partially surrounds the opening; the second signal line provides a second display signal to the pixel array, passes through the peripheral region of the opening along a second direction intersecting with the first direction, includes a second winding portion in the peripheral region of the opening and partially surrounds the opening. The first lead portion and the second signal line have a first overlapping region, and the first winding portion and the second winding portion have a second overlapping region.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: October 8, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huijuan Yang, Yang Zhou, Xiaofeng Jiang, Tinghua Shang, Gen Li
  • Publication number: 20240331637
    Abstract: A display substrate, including a base substrate, and a driving circuit layer and light emitting elements formed on the base substrate, and in a same pixel circuit, an active general layer includes a first column-wise active portion including active layers of a data writing transistor and a first light emission control transistor, and a first active connection portion, an orthographic projection of the first active connection portion on the base substrate at least partially overlapping an orthographic projection of a corresponding power supply line on the base substrate, a dimension of the first active connection portion in a row direction of the pixel units less than a dimension of the active layer of the data writing transistor in the row direction, and a dimension of the active layer of the first light emission control transistor in the row direction. A display panel is further provided.
    Type: Application
    Filed: June 12, 2024
    Publication date: October 3, 2024
    Inventors: Huijun LI, Tinghua SHANG, Siyu WANG, Yan HUANG, Lulu YANG, Tingliang LIU, Huijuan YANG, Xiaofeng JIANG
  • Patent number: 12089480
    Abstract: A display panel, a method for manufacturing the same, a display device and a method for manufacturing the same are provided. The display panel includes a display region and a peripheral region arranged on a substrate, and further includes multiple active driving circuits and multiple redundant driving circuits. At least one active driving circuit is electrically connected to at least one of multiple pixel units, and each redundant driving circuit includes at least one electrode layer arranged on the substrate. The peripheral region includes a flat region and a curved region, at least part of the redundant driving circuits are located in a flat redundant driving circuit region included in the flat region. The flat redundant driving circuit region includes at least two alignment mark regions. In the alignment mark regions, at least one electrode layer is hollowed out, and/or at least one electrode layer is filled up.
    Type: Grant
    Filed: May 9, 2020
    Date of Patent: September 10, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Lu Bai, Pengfei Yu, Jie Dai, Shun Zhang, Huijuan Yang, Xiaofeng Jiang, Xin Zhang, Meng Zhang, Yi Qu, Mengqi Wang, Hao Zhang, Siyu Wang