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: 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
  • Publication number: 20240276760
    Abstract: A display substrate is provided, including: a base substrate including at least pixel and hole areas; sub-pixels arranged on the base substrate and in the pixel area; a hole in the hole area; a first barrier dam between the sub-pixels and the hole and at least partially surrounding the hole; a functional film layer, an organic material layer and an encapsulating structure sequentially arranged on the display substrate in a direction away from the base substrate, an orthographic projection of the organic material layer on the base substrate falling within the pixel area, the organic material layer including at least one film layer; and a filling structure, at least a portion of which is arranged between the hole and the first barrier dam. The filling structure and the at least one film layer of the organic material layer are in the same layer and include the same material.
    Type: Application
    Filed: April 25, 2024
    Publication date: August 15, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xin Zhang, Yupeng He, Yang Zhou, Wei Wang, Xiaofeng Jiang, Yu Wang, Lulu Yang, Yiyang Zhang, Guanghui Yang, Jiaming Lu, Rui Hao, Qun Ma, Pu Liu, Liudong Zhu, Qiang Huang, Bin He, Dinan Duan, Haiyong Bai, Xin Li, Ruiqi Wei
  • Patent number: 12046195
    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 the a data writing transistor and the 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 pixel units being 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: September 10, 2020
    Date of Patent: July 23, 2024
    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: 12035587
    Abstract: A display panel and a display device are provided. The display panel includes: a display part including a plurality of data lines; a fan-out part including a plurality of fan-out lines; and a lead wire part including a plurality of first lead wires which are respectively connected with the plurality of data lines through the plurality of fan-out lines, and the plurality of fan-out lines are fanned out between the lead wire part and the display part. The plurality of first lead wires each include a first lead wire subpart and a compensation part to form a plurality of first lead wire subparts and a plurality of compensation parts, the plurality of first lead wire subparts are respectively connected with the plurality of compensation parts; the first lead subparts (WS1) have a width different from that of the compensation parts.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: July 9, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaofeng Jiang, Linhong Han, Huijuan Yang, Huijun Li, Xin Zhang, Meng Zhang, Lulu Yang, Jie Dai, Lu Bai, Siyu Wang, Yu Wang, Yupeng He, Yi Qu
  • Patent number: 12035588
    Abstract: The present disclosure provides an array substrate, a method for manufacturing an array substrate and a display panel. The array substrate includes: a base having a display area, a peripheral area surrounding the display area, and a visible area located between the display area and the peripheral area; a plurality of voltage signal lines disposed on the base; a metal strip disposed on the base, the voltage signal lines are coupled to the metal strip, at least a portion of the metal strip is located in the visible area, and the portion of the metal strip located in the visible area is provided with an opening.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: July 9, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Gong Chen, Yuqing Yang, Yiyang Zhang, Zheng Bao, Zhiyong Yang, Yang Zhou, Huijun Li, Tingliang Liu, Huijuan Yang, Xin Zhang, Meng Zhang, Xiaofeng Jiang, Hao Zhang, Yu Wang
  • Patent number: 12029084
    Abstract: The embodiments of the present disclosure disclose a display substrate, a fabrication method thereof and a display apparatus. The display substrate includes: a base substrate, including a display region and a bonding region located on at least one side of the display region; a conductive layer, located on the base substrate and in the bonding region and including a plurality of first conducive terminals; and an insulation protection layer, located on one side, facing away from the base substrate, of the conductive layer, and having hollow regions and pattern regions, where the hollow regions cover the first conductive terminals, and the pattern regions cover gaps among the plurality of first conductive terminals.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: July 2, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Linhong Han, Xiaofeng Jiang, Youngyik Ko, Yi Zhang, Yang Zhou, Yu Wang, Shikai Qin, Tingliang Liu, Haigang Qing, Shun Zhang
  • Patent number: 12020650
    Abstract: A display substrate includes a scanning driving circuit arranged on a base substrate. The scanning driving circuit includes a plurality of shift register units and a first voltage signal line extending in a first direction. At least one shift register unit includes an output capacitor and a first transistor, a first electrode thereof is coupled to the first voltage signal line, and a second electrode thereof is coupled to an electrode plate of the output capacitor. A maximum distance between an orthogonal projection of the first electrode/second electrode of the first transistor onto the base substrate and an orthogonal projection of the first voltage signal line/the electrode plate of the output capacitor onto the base substrate is smaller than a first/second predetermined distance in a second direction, and the first direction intersects the second direction.
    Type: Grant
    Filed: September 9, 2022
    Date of Patent: June 25, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jie Dai, Pengfei Yu, Huijuan Yang, Lu Bai, Huijun Li, Xiaofeng Jiang
  • Patent number: 12010876
    Abstract: Provided are a display substrate and a manufacturing method thereof, and a display device. The display substrate includes: a base substrate; a drive circuit layer formed on the base substrate and including an interlayer dielectric layer at the display region and the transition region; display parts at the display region, including a first electrode and a pixel definition portion sequentially formed on the interlayer dielectric layer; a first packaging dam and a second packaging dam at the transition region and around the opened region, each including a protective portion and a blocking portion sequentially laminated on the interlayer dielectric layer. The second packaging dam is at a side of the first packaging dam away from the display region, and a thickness of the second packaging dam is greater than that of the first packaging dam.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: June 11, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xin Zhang, Yang Zhou, Yupeng He, Xiaofeng Jiang, Meng Zhang, Lu Bai, Yi Qu, Huijun Li, Lulu Yang, Pengfei Yu, Hao Zhang, Mengqi Wang
  • Patent number: 12004367
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes: a base substrate at least including a pixel area and a hole area; a plurality of sub-pixels arranged on the base substrate and located in the pixel area; a hole in the hole area; a first barrier dam arranged between the sub-pixels and the hole and at least partially surrounding the hole; an organic material layer including at least one film layer, wherein an orthographic projection of the organic material layer on the base substrate falls within the pixel area; and a filling structure, wherein at least a portion of the filling structure is arranged between the hole and the first barrier dam, and the filling structure and the at least one film layer of the organic material layer are located in the same layer and include the same material.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: June 4, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xin Zhang, Yupeng He, Yang Zhou, Wei Wang, Xiaofeng Jiang, Yu Wang, Lulu Yang, Yiyang Zhang, Guanghui Yang, Jiaming Lu, Rui Hao, Qun Ma, Pu Liu, Liudong Zhu, Qiang Huang, Bin He, Dinan Duan, Haiyong Bai, Xin Li, Ruiqi Wei
  • Patent number: 11974478
    Abstract: An array substrate includes a first pixel driving circuit, a second pixel driving circuit, and a third pixel driving circuit; and a first voltage supply line, a second voltage supply line, and a third voltage supply line configured to provide a constant voltage signal respectively to the first pixel driving circuit, the second pixel driving circuit, and the third pixel driving circuit. The first voltage signal line crosses over a second capacitor electrode in the first pixel driving circuit by a first overlapping area. The second voltage supply line crosses over a second capacitor electrode in the second pixel driving circuit by a second overlapping area. The third voltage supply line crosses over a second capacitor electrode in the third pixel driving circuit by a third overlapping area. The third overlapping area is greater than the first overlapping area, and is greater than the second overlapping area.
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: April 30, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tinghua Shang, Huijuan Yang, Tingliang Liu, Yi Zhang, Hao Zhang, Lulu Yang, Yang Zhou, Xiaofeng Jiang
  • Patent number: 11963429
    Abstract: A display module (10) includes: a display panel (12) and a circuit board (14) coupled to the display panel (12). The display panel (12) includes a driving chip (122) and a display unit (124); and the circuit board (14) includes a first filter element (142), wherein the first filter element (142) is coupled to the driving chip (122) and the display unit (124), and a direct current signal output by the driving chip (122) is filtered by the first filter element (142) and then transmitted to the display unit (124). The present disclosure also provides a display apparatus (100).
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: April 16, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yu Wang, Yi Zhang, Tingliang Liu, Tinghua Shang, Huijuan Yang, Yang Zhou, Pengfei Yu, Linhong Han, Hao Zhang, Xiaofeng Jiang, Huijun Li
  • Publication number: 20240119905
    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: Application
    Filed: December 19, 2023
    Publication date: April 11, 2024
    Inventors: Lu BAI, Haigang QING, Pengfei YU, Jie DAI, Xiaofeng JIANG
  • Publication number: 20240114736
    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: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Applicants: 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
  • Publication number: 20240099053
    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 15, 2023
    Publication date: March 21, 2024
    Inventors: Yupeng HE, Yang ZHOU, Xin ZHANG, Pengfei YU, Xiaofeng JIANG, Yi QU, Lulu YANG, Huijun LI, Meng ZHANG
  • Publication number: 20240081103
    Abstract: A display substrate and a display device are disclosed. In the display substrate, a plurality of openings include a plurality of opening groups, the plurality of opening groups include a plurality of opening group rows, each of the opening groups includes a first opening and a second opening, the plurality of opening group rows includes a first opening group row and a second opening group row, the spacer is located between the first opening of the first opening group row and the second opening of the second opening group row, an orthographic projection of the first opening includes a first long edge, and an orthographic projection of the second opening includes a second long edge, the first long edge is parallel to the second long edge, an extension line of the first long edge is misaligned from an extension line of the second long edge.
    Type: Application
    Filed: October 11, 2023
    Publication date: March 7, 2024
    Inventors: Hao ZHANG, Tingliang LIU, Yu WANG, Huijun LI, Huijuan YANG, Xiaofeng JIANG, Xin ZHANG, Jie DAI, Lu BAI, Pengfei YU, Tinghua SHANG
  • Patent number: 11922838
    Abstract: A display panel, comprising a first insulating structural layer, a first crack detection line, a second insulating structural layer and a second crack detection line which are sequentially arranged on a substrate, wherein the first crack detection line and the second crack detection line are both located in a peripheral area and are arranged around a display area, one end of the first crack detection line is configured to receive a detection signal, and the other end of the first crack detection line is configured to output a first output signal, and one end of the second crack detection line is configured to receive a detection signal and the other end of the second crack detection line is configured to output a second output signal.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: March 5, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yu Wang, Yi Zhang, Tingliang Liu, Chang Luo, Hao Zhang, Huijuan Yang, Tinghua Shang, Yang Zhou, Pengfei Yu, Shun Zhang, Xiaofeng Jiang, Huijun Li, Linhong Han