Patents by Inventor Tiaomei Zhang

Tiaomei Zhang 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: 20240130179
    Abstract: A display substrate includes: a base substrate, a plurality of sub-pixels arranged on the base substrate, a plurality of gate lines, and a plurality of first compensation gate patterns; the sub-pixel includes a sub-pixel driving circuit, and the sub-pixel driving circuit includes a compensation transistor; the compensation transistor includes a second compensation gate pattern, the first compensation gate pattern is located between a corresponding second compensation gate pattern and the base substrate, the first compensation gate pattern is coupled to a DC signal output terminal, and the second compensation gate pattern is coupled to a corresponding gate line; the compensation transistor includes a compensation active layer, the compensation active layer is located between the first compensation gate pattern and the second compensation gate pattern, and the compensation active layer includes a compensation channel portion.
    Type: Application
    Filed: January 29, 2022
    Publication date: April 18, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiaomei Zhang, Haigang Qing, Yunsheng Xiao, Ziyang Yu, Zhongliu Yang
  • Publication number: 20240111376
    Abstract: Disclosed is a display panel including a base substrate. The base substrate includes a display region, a wiring lead-out region and a signal access region that are located on a side of the display region. The wiring lead-out region is located between the display region and the signal access region. The wiring lead-out region includes: at least one first power supply line, at least one first touch signal line, and at least one first display signal line that are disposed on the base substrate. The first touch signal line is located on a side of the first power supply line away from the base substrate, and the first display signal line is located on a side of the first power supply line close to the base substrate.
    Type: Application
    Filed: May 11, 2021
    Publication date: April 4, 2024
    Inventors: Wenhui GAO, Peng XU, Shun ZHANG, Tiaomei ZHANG, Kai ZHANG, Zhiliang JIANG, Lingran WANG
  • Patent number: 11929030
    Abstract: A display panel, a driving method, and a display device. The display panel includes: a base substrate, subpixels, driving lines, data lines, a gate driving circuit including clock signal lines and shift register units arranged in extension direction of clock signal lines. The clock signal lines is divided into clock signal line groups; the shift register units is divided into register unit groups; the shift register units in same register unit group are cascaded, adjacent two of shift register units in the extension direction are in different register unit groups; one register unit group corresponds to one clock signal line group; the gate of an input transistor is connected to a clock signal line in a corresponding clock signal line group, the second pole of input transistor is connected to the gate of an output transistor; the second pole of output transistor is connected to at least one driving line.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: March 12, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yuqian Pang, Yunsheng Xiao, Haigang Qing, Miao Wang, Tiaomei Zhang, Mengqi Wang
  • Publication number: 20240074263
    Abstract: Disclosed are an array substrate and a display panel, including: a base substrate; and a wiring layer, an anode layer, and a light-emitting layer which are stacked on the base substrate sequentially, wherein the wiring layer includes a signal wiring, a first wiring and a second wiring, a projection of the first wiring on the base substrate is separated from a projection of the second wiring on the base substrate, the first and second wirings are respectively disposed on two sides of the anode layer below the anode layer, the signal wiring is between the first and second wirings, the projections of the first and second wirings on the base substrate respectively overlap projections of two sides of the anode layer on the base substrate, and a length of the second wiring is less than that of the signal wiring in an extension direction of the signal wiring.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Inventors: Meng Li, Sen Du, Tianyi Cheng, Tiaomei Zhang, Yao Huang, Tingliang Liu
  • Patent number: 11903281
    Abstract: Disclosed are an array substrate and a display panel, including: a base substrate; and a wiring layer and a light-emitting layer which are stacked on the base substrate sequentially, wherein the wiring layer includes a signal wiring, a first wiring and a second wiring, a projection of the first wiring on the base substrate is separated from a projection of the second wiring on the base substrate, the first and second wiring are respectively disposed on two sides of the light-emitting layer below the light-emitting layer, the signal wiring is between the first and second wiring, the projections of the first and second wiring on the base substrate respectively overlap projections of two edges of the light-emitting layer on the base substrate, and a length of the second wiring is less than that of the signal wiring in an extension direction of the signal wiring.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: February 13, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Meng Li, Sen Du, Tianyi Cheng, Tiaomei Zhang, Yao Huang, Tingliang Liu
  • Patent number: 11900875
    Abstract: A display substrate, a preparation method thereof, and a display device are provided. The display substrate includes: a substrate, and a drive structure layer and a light-emitting structure layer that are sequentially stacked on the substrate and located in a display region. The display substrate further includes: M rows of scanning signal lines and M rows of light-emitting signal lines. The light-emitting structure layer includes: M rows and N columns of light-emitting structures. The drive structure layer includes: a pixel circuit array and a drive circuit array that extend in a column direction. The pixel circuit array and the drive circuit array are sequentially arranged in a row direction. The pixel circuit array includes: M rows and N columns of pixel circuits, and the pixel circuits are in one-to-one correspondence with the light-emitting structures and electrically connected to corresponding light-emitting structures.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: February 13, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wenbo Chen, Tiaomei Zhang, Hong Yi, Qingqing Yan
  • Publication number: 20240038165
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of subpixels provided on the base substrate. Each subpixel includes a pixel circuit. The plurality of subpixels include first subpixels. The display substrate further includes power lines. Each power line is configured to provide a first supply voltage for the corresponding first subpixels, the power line is provided on a side of the pixel electrode of the first subpixel near the base substrate, and the power line includes a power line main body and a power line protrusion protruded from the power line main body. The power line protrusion is at least partially overlapped with the pixel electrode of the first subpixel in a direction perpendicular to the base substrate. The display substrate can effectively improve the display quality.
    Type: Application
    Filed: April 30, 2021
    Publication date: February 1, 2024
    Inventors: Guo LIU, Shilong WANG, Tiaomei ZHANG, Jidong LI, Tong NIU, Siyu WANG
  • Publication number: 20230351957
    Abstract: A display substrate, a preparation method thereof, and a display device are provided. The display substrate includes: a substrate, and a drive structure layer and a light-emitting structure layer that are sequentially stacked on the substrate and located in a display region. The display substrate further includes: M rows of scanning signal lines and M rows of light-emitting signal lines. The light-emitting structure layer includes: M rows and N columns of light-emitting structures. The drive structure layer includes: a pixel circuit array and a drive circuit array that extend in a column direction. The pixel circuit array and the drive circuit array are sequentially arranged in a row direction. The pixel circuit array includes: M rows and N columns of pixel circuits, and the pixel circuits are in one-to-one correspondence with the light-emitting structures and electrically connected to corresponding light-emitting structures.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 2, 2023
    Inventors: Wenbo CHEN, Tiaomei ZHANG, Hong YI, Qingqing YAN
  • Patent number: 11638385
    Abstract: The present disclosure provides a display substrate, a method for driving the same, and a display device. The display substrate includes: a plurality of sub-pixels, a plurality of reset signal lines, a plurality of gate lines, a plurality of light emitting control signal lines, a plurality of data lines, a power signal line structure, an initialization signal line structure, and at least part of the reset signal lines extend along the first direction; the plurality of reset signal lines include a sub-reset signal line corresponding to each sub-pixel, and the sub-reset signal line includes a first reset pattern and a second reset pattern that are coupled to each other, the first reset pattern is located between the substrate of the display substrate and the second reset pattern.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: April 25, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hong Yi, Haigang Qing, Tiaomei Zhang
  • Publication number: 20230120171
    Abstract: Disclosed are an array substrate and a display panel, including: a base substrate; and a wiring layer and a light-emitting layer which are stacked on the base substrate sequentially, wherein the wiring layer includes a signal wiring, a first wiring and a second wiring, a projection of the first wiring on the base substrate is separated from a projection of the second wiring on the base substrate, the first and second wiring are respectively disposed on two sides of the light-emitting layer below the light-emitting layer, the signal wiring is between the first and second wiring, the projections of the first and second wiring on the base substrate respectively overlap projections of two edges of the light-emitting layer on the base substrate, and a length of the second wiring is less than that of the signal wiring in an extension direction of the signal wiring.
    Type: Application
    Filed: December 19, 2022
    Publication date: April 20, 2023
    Inventors: Meng Li, Sen Du, Tianyi Cheng, Tiaomei Zhang, Yao Huang, Tingliang Liu
  • Patent number: 11575103
    Abstract: A display substrate and a manufacturing method thereof. The display substrate includes a display region, a barrier region and an opening region, the barrier region is located between the display region and the opening region. The barrier region includes a first barrier wall, a first barrier wall, and a second barrier wall which are sequentially arranged from the display region to the opening region. The first barrier wall includes a first metal layer structure, at least one lateral surface of the first metal layer structure surrounding the opening region is provided with a notch; the first intercepting wall includes a first insulating layer structure; the second barrier wall includes a second metal layer structure and a first stacked structure, at least one lateral surface of the second metal layer structure surrounding the opening region is provided with a notch.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: February 7, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiaomei Zhang, Yufei Huo, Sanghun Kang
  • Patent number: 11569330
    Abstract: An array substrate is provided, including: a base substrate including a display area; a racetrack hole portion in the display area, including: a long axis; a short axis; a first hole and a second hole; a frame area surrounding the first hole and the second hole; and multiple lines in the frame area. The frame area includes a first wiring area and a second wiring area, the first wiring area includes a first conductive layer, and the multiple lines located in the first wiring area are arranged in the first conductive layer; and the second wiring area includes a second conductive layer and a third conductive layer arranged in different layers, and some of the multiple lines located in the second wiring area are arranged in the second conductive layer, and other lines of the multiple lines located in the second wiring area are arranged in the third conductive layer.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: January 31, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Linhong Han, Shikai Qin, Tingliang Liu, Youngyik Ko, Binyan Wang, Tiaomei Zhang, Hao Zhang
  • Patent number: 11563073
    Abstract: Disclosed are an array substrate and a manufacturing method thereof, a display panel, a display device and a pixel driving circuit. The array substrate includes: a base substrate; and a wiring layer and an effective light-emitting layer formed and stacked on the base substrate sequentially, wherein the wiring layer includes a first wiring and a second wiring, an orthographic projection of the first wiring on the base substrate overlaps an orthographic projection of the effective light-emitting layer on the base substrate to form a first overlapping area, an orthographic projection of the second wring on the base substrate overlaps the orthographic projection of the effective light-emitting layer on the base substrate to form a second overlapping area, and the first overlapping area and the second overlapping area are respectively located on both sides of a central line of the orthographic projection of the effective light-emitting layer on the base substrate.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: January 24, 2023
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Meng Li, Sen Du, Tianyi Cheng, Tiaomei Zhang, Yao Huang, Tingliang Liu
  • Publication number: 20220406871
    Abstract: A display panel and a display device are provided. The display panel includes: a display region; a peripheral region surrounding the display region; a plurality of pixel units, located in the display region and configured to display an image; a plurality of data lines, electrically connected with the plurality of pixel units and configured to input data signals to the plurality of pixel units; a plurality of data transmission lines, located in the peripheral region and connected with the plurality of data lines; and at least two repair structures, wherein each of the at least two repair structures includes a first repair line and a second repair line, the first repair line is overlapped with the plurality of data transmission lines, and the second repair line is overlapped with the plurality of data lines.
    Type: Application
    Filed: December 23, 2020
    Publication date: December 22, 2022
    Inventors: Hong YI, HAIGANG QING, Tiaomei ZHANG
  • Publication number: 20220406260
    Abstract: A display panel, a driving method, and a display device. The display panel includes: a base substrate, subpixels, driving lines, data lines, a gate driving circuit including clock signal lines and shift register units arranged in extension direction of clock signal lines. The clock signal lines is divided into clock signal line groups; the shift register units is divided into register unit groups; the shift register units in same register unit group are cascaded, adjacent two of shift register units in the extension direction are in different register unit groups; one register unit group corresponds to one clock signal line group; the gate of an input transistor is connected to a clock signal line in a corresponding clock signal line group, the second pole of input transistor is connected to the gate of an output transistor; the second pole of output transistor is connected to at least one driving line.
    Type: Application
    Filed: April 28, 2020
    Publication date: December 22, 2022
    Inventors: Yuqian PANG, Yunsheng XIAO, Haigang QING, Miao WANG, Tiaomei ZHANG, Mengqi WANG
  • Publication number: 20220407032
    Abstract: A display panel and manufacturing method therefor and a display device are provided. The display panel includes: a base substrate; an insulation layer arranged at a peripheral area of the base substrate; at least one encapsulation dam arranged on a surface of the insulation layer away from the base substrate, the encapsulation dam being located in the peripheral area of the base substrate and being arranged around the display area; and at least one groove disposed in the insulation layer, a projection of the at least one groove on the base substrate being located within on a projection of the encapsulation dam on the base substrate.
    Type: Application
    Filed: March 10, 2021
    Publication date: December 22, 2022
    Inventors: Xiaoliang GUO, Tiaomei ZHANG, Zhongfei DONG, Yan HU, Hongguang YUAN, Jiamian SUN
  • Publication number: 20220352296
    Abstract: The present disclosure provides a display substrate, a method for driving the same, and a display device. The display substrate includes: a plurality of sub-pixels, a plurality of reset signal lines, a plurality of gate lines, a plurality of light emitting control signal lines, a plurality of data lines, a power signal line structure, an initialization signal line structure, and at least part of the reset signal lines extend along the first direction; the plurality of reset signal lines include a sub-reset signal line corresponding to each sub-pixel, and the sub-reset signal line includes a first reset pattern and a second reset pattern that are coupled to each other, the first reset pattern is located between the substrate of the display substrate and the second reset pattern.
    Type: Application
    Filed: November 12, 2020
    Publication date: November 3, 2022
    Inventors: Hong YI, Haigang QING, Tiaomei ZHANG
  • Publication number: 20220328595
    Abstract: A display substrate and a display substrate are provided. The display substrate includes a first signal line, and the first signal line includes a first signal line portion in the display region and a second signal line portion in the peripheral region. The second signal line portion of the first signal line includes a first sub-portion, a second sub-portion and a third sub-portion which are sequentially connected; the first sub-portion and the third sub-portion both include a curved structure, and the second sub-portion is in a linear structure; and the display substrate further includes a first compensation electrode in the peripheral region, and the first compensation electrode is overlapped with the second sub-portion of the second signal line portion of the first signal line in a direction perpendicular to the base substrate to form a compensation capacitor.
    Type: Application
    Filed: August 3, 2020
    Publication date: October 13, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Gen LI, Huijuan YANG, Tiaomei ZHANG, Yuqian PANG, Jingwen ZHANG
  • Publication number: 20210384225
    Abstract: An array substrate includes a display area, and the array substrate includes an anti-cracking dam, a metal lead and a first data line, wherein the anti-cracking dam is arranged on a side of the array substrate and located in the display area, and the anti-cracking dam is arranged to surround a through-hole extending through the array substrate; the metal lead is arranged to at least partially surround the anti-cracking dam; the first data line includes a first section and a second section separated from each other by the through-hole; the first section of the first data line is connected to the first end of the metal lead, and the second section of the first data line is connected to the another end of the metal lead.
    Type: Application
    Filed: July 8, 2020
    Publication date: December 9, 2021
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiaomei Zhang, Yufei Huo
  • Patent number: 11119595
    Abstract: The present disclosure relates to a touch display panel and a method for manufacturing the same. The display panel includes: an active area disposed on a substrate and including a light emitting device; a raised area disposed on the substrate, located at a periphery of the active area and including a stacked structure; and a touch sensor disposed on a side of the active area and the raised area away from the substrate, wherein the touch sensor is electrically insulated from the active area and is in electrical contact with the raised area; wherein a thickness of the active area matches a thickness of the raised area to ensure a uniform thickness of the touch display panel, and the raised area is electrically insulated from the active area, and a touch signal sensed by the touch sensor is transmitted via the raised area.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: September 14, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wen Tan, Tianyi Cheng, Fei Yu, Meng Li, Tiaomei Zhang