Patents by Inventor Chengshao Yang

Chengshao Yang 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: 11914250
    Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes: a base substrate; a sealant on the base substrate; and a contact layer between the base substrate and the sealant, the contact layer being in contact with the sealant. In the display substrate, a contact layer surface of the contact layer, which is away from the base substrate, is not flat at a contact position where the contact layer is in contact with the sealant.
    Type: Grant
    Filed: March 27, 2023
    Date of Patent: February 27, 2024
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tao Ma, Biao Luo, Wei He, Chengshao Yang
  • Publication number: 20230236458
    Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes: a base substrate; a sealant on the base substrate; and a contact layer between the base substrate and the sealant, the contact layer being in contact with the sealant. In the display substrate, a contact layer surface of the contact layer, which is away from the base substrate, is not flat at a contact position where the contact layer is in contact with the sealant.
    Type: Application
    Filed: March 27, 2023
    Publication date: July 27, 2023
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tao Ma, Biao Luo, Wei He, Chengshao Yang
  • Patent number: 11682679
    Abstract: The present disclosure provides a manufacturing method of a display substrate, a display substrate and a display device, belongs to the field of display technology, and can at least partially solve a problem of residual sand in the display substrate. The manufacturing method of the display substrate includes: providing a base; forming a passivation layer on a surface of the base; forming an amorphous oxide conductive material layer on a surface of the passivation layer facing away from the base; forming a photoresist pattern on the oxide conductive material layer, the photoresist pattern having an exposure region; etching a portion of the oxide conductive material layer in the exposure region of the photoresist pattern to form a hollow position exposing a portion of the passivation layer; and removing a certain thickness material of the portion of the passivation layer exposed through the hollow position.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: June 20, 2023
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lin Chen, Chengshao Yang, Tao Ma, Dengfeng Wang, Ling Han
  • Patent number: 11650461
    Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes: a base substrate; a sealant on the base substrate; and a contact layer between the base substrate and the sealant, the contact layer being in contact with the sealant. In the display substrate, a contact layer surface of the contact layer, which is away from the base substrate, is not flat at a contact position where the contact layer is in contact with the sealant.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: May 16, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tao Ma, Biao Luo, Wei He, Chengshao Yang
  • Patent number: 11532643
    Abstract: An array substrate, a manufacturing method thereof, and a display panel are provided. The array substrate comprises a base substrate, a plurality of gate lines and gate electrodes on the base substrate, each gate electrode being corresponding to and separate from a respective gate line, a gate insulating layer over the gate electrode and the gate line, the gate insulating layer having a first via hole and a second via hole, the first via hole exposing the gate electrode, the second via hole exposing the gate line, a conductive connection layer and a polysilicon semiconductor layer on the gate insulating layer, the conductive connection layer filling the first via hole and the second via hole to connect the gate line with the gate electrode.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: December 20, 2022
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Binbin Cao, Yinhu Huang, Chengshao Yang, Haijiao Qian
  • Patent number: 11469256
    Abstract: An array substrate includes a base substrate and a GND trace. The GND trace is disposed along an edge of the substrate, and the GND trace includes a plurality of conductive line segments separated from each other and a connection structure disposed on a side of the GND trace away from the base substrate. The connection structure electrically connects the conductive line segments.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: October 11, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Ling Han, Tao Ma, Chengshao Yang, Qingmeng Wu
  • Patent number: 11469253
    Abstract: A manufacturing method of an array substrate, an array substrate and a display device are disclosed. The manufacturing method of the array substrate includes: providing a base substrate (200); forming a semiconductor layer on the base substrate; depositing an etch stop layer material on the semiconductor layer; subjecting the etch stop layer material to a wet etching process to form an etch stop layer; subjecting the semiconductor layer to a dry etching process to form an active layer, wherein the active layer includes a first region and a second region surrounding the first region, an orthographic projection of the etch stop layer on the base substrate completely coincides with an orthographic projection of the first region of the active layer on the base substrate.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: October 11, 2022
    Assignees: Beijing BOE Technology Development Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Binbin Cao, Haijiao Qian, Chengshao Yang, Yinhu Huang
  • Publication number: 20220299806
    Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes: a base substrate; a sealant on the base substrate; and a contact layer between the base substrate and the sealant, the contact layer being in contact with the sealant. In the display substrate, a contact layer surface of the contact layer, which is away from the base substrate, is not flat at a contact position where the contact layer is in contact with the sealant.
    Type: Application
    Filed: June 9, 2022
    Publication date: September 22, 2022
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tao Ma, Biao Luo, Wei He, Chengshao Yang
  • Patent number: 11385506
    Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes: a base substrate; a sealant on the base substrate; and a contact layer between the base substrate and the sealant, the contact layer being in contact with the sealant. In the display substrate, a contact layer surface of the contact layer, which is away from the base substrate (100A), is not flat at a contact position where the contact layer (50) is in contact with the sealant (300).
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: July 12, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tao Ma, Biao Luo, Wei He, Chengshao Yang
  • Patent number: 11245015
    Abstract: The present disclosure relates to the field of display technologies, and discloses a Thin Film Transistor, a method for preparing the same, an array substrate, a display panel and an apparatus. The TFT includes: a base substrate; an active layer; a source electrode; and a drain electrode; where the active layer, the source electrode, and the drain electrode are sequentially laminated on the base substrate; and a projection of the source electrode on the base substrate covers a projection of part of edges of the active layer on the base substrate.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: February 8, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chuan Chen, Pengyu Chen, Tao Ma, Chengshao Yang
  • Patent number: 11222983
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes a base substrate and thin-film transistors disposed on the base substrate, where the thin-film transistors each comprises a gate, an active layer insulated from the gate, and two ohmic contact parts in direct contact with the active layer, leaving a gap region between the two ohmic contact parts; and each of the ohmic contact parts comprises a lightly doped region and a heavily doped region, and an orthographic projection of the lightly doped region on the base substrate and an orthographic projection of the heavily doped region on the base substrate do not overlap each other.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: January 11, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co. Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tao Ma, Yunlong Wang, Chengshao Yang, Yu Ji, Shengli Liu
  • Patent number: 11205726
    Abstract: The present disclosure provides a thin film transistor, including: an active layer, a source and a drain electrically coupled with the active layer, and a plurality of doped layers located between the source and the active layer and between the drain and the active layer, a resistance of one of the plurality of doped layers farthest away from the active layer is smaller than that of any other doped layer. The disclosure further provides a gate driving circuit, a display substrate and a display device. With the present disclosure, current loss of a current passing through the doped layers of the thin film transistor is reduced, on-state current of the thin film transistor is improved and a situation that output signals of the thin film transistor are insufficient is avoided.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: December 21, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jufeng Yu, Ling Han, Tao Ma, Chengshao Yang, Lin Chen
  • Patent number: 11177386
    Abstract: The present application discloses a thin film transistor having an active layer including a channel part, a source contact part, and a drain contact part. At least one of the source contact part and the drain contact part has a contacting edge having one or more irregularities along the contacting edge.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: November 16, 2021
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Binbin Cao, Haijiao Qian, Chengshao Yang, Yinhu Huang
  • Publication number: 20210223588
    Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes: a base substrate; a sealant on the base substrate; and a contact layer between the base substrate and the sealant, the contact layer being in contact with the sealant. In the display substrate, a contact layer surface of the contact layer, which is away from the base substrate (100A), is not flat at a contact position where the contact layer (50) is in contact with the sealant (300).
    Type: Application
    Filed: September 12, 2019
    Publication date: July 22, 2021
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tao Ma, Biao Luo, Wei He, Chengshao Yang
  • Publication number: 20210226065
    Abstract: The present application discloses a thin film transistor having an active layer including a channel part, a source contact part, and a drain contact part. At least one of the source contact part and the drain contact part has a contacting edge having one or more irregularities along the contacting edge.
    Type: Application
    Filed: November 22, 2017
    Publication date: July 22, 2021
    Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Binbin Cao, Haijiao Qian, Chengshao Yang, Yinhu Huang
  • Publication number: 20210202537
    Abstract: A manufacturing method of an array substrate, an array substrate and a display device are disclosed. The manufacturing method of the array substrate includes: providing a base substrate (200); forming a semiconductor layer on the base substrate; depositing an etch stop layer material on the semiconductor layer; subjecting the etch stop layer material to a wet etching process to form an etch stop layer; subjecting the semiconductor layer to a dry etching process to form an active layer, wherein the active layer includes a first region and a second region surrounding the first region, an orthographic projection of the etch stop layer on the base substrate completely coincides with an orthographic projection of the first region of the active layer on the base substrate.
    Type: Application
    Filed: November 14, 2017
    Publication date: July 1, 2021
    Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Binbin Cao, Haijiao Qian, Chengshao Yang, Yinhu Huang
  • Publication number: 20210167217
    Abstract: The present disclosure provides a thin film transistor, including: an active layer, a source and a drain electrically coupled with the active layer, and a plurality of doped layers located between the source and the active layer and between the drain and the active layer, a resistance of one of the plurality of doped layers farthest away from the active layer is smaller than that of any other doped layer. The disclosure further provides a gate driving circuit, a display substrate and a display device. With the present disclosure, current loss of a current passing through the doped layers of the thin film transistor is reduced, on-state current of the thin film transistor is improved and a situation that output signals of the thin film transistor are insufficient is avoided.
    Type: Application
    Filed: March 31, 2020
    Publication date: June 3, 2021
    Inventors: Jufeng YU, Ling HAN, Tao MA, Chengshao YANG, Lin CHEN
  • Publication number: 20210151469
    Abstract: An array substrate includes a base substrate and a GND trace. The GND trace is disposed along an edge of the substrate, and the GND trace includes a plurality of conductive line segments separated from each other and a connection structure disposed on a side of the GND trace away from the base substrate. The connection structure electrically connects the conductive line segments.
    Type: Application
    Filed: March 26, 2020
    Publication date: May 20, 2021
    Inventors: Ling HAN, Tao MA, Chengshao YANG, Qingmeng WU
  • Publication number: 20210111199
    Abstract: The present disclosure provides a manufacturing method of a display substrate, a display substrate and a display device, belongs to the field of display technology, and can at least partially solve a problem of residual sand in the display substrate. The manufacturing method of the display substrate includes: providing a base; forming a passivation layer on a surface of the base; forming an amorphous oxide conductive material layer on a surface of the passivation layer facing away from the base; forming a photoresist pattern on the oxide conductive material layer, the photoresist pattern having an exposure region; etching a portion of the oxide conductive material layer in the exposure region of the photoresist pattern to form a hollow position exposing a portion of the passivation layer; and removing a certain thickness material of the portion of the passivation layer exposed through the hollow position.
    Type: Application
    Filed: August 31, 2020
    Publication date: April 15, 2021
    Inventors: Lin CHEN, Chengshao YANG, Tao MA, Dengfeng WANG, Ling HAN
  • Publication number: 20210057531
    Abstract: The present disclosure relates to the field of display technologies, and discloses a Thin Film Transistor, a method for preparing the same, an array substrate, a display panel and an apparatus. The TFT includes: a base substrate; an active layer; a source electrode; and a drain electrode; where the active layer, the source electrode, and the drain electrode are sequentially laminated on the base substrate; and a projection of the source electrode on the base substrate covers a projection of part of edges of the active layer on the base substrate.
    Type: Application
    Filed: July 24, 2020
    Publication date: February 25, 2021
    Inventors: Chuan CHEN, Pengyu Chen, Tao Ma, Chengshao Yang