Patents by Inventor Hongwei TIAN

Hongwei TIAN 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: 11340664
    Abstract: A display device and a manufacturing method thereof are provided. The display device includes: a flexible substrate including a display portion and a back portion that are connected with each other, the display portion including a display side and a back side opposite to the display side, the back portion being located at the back side of the display portion; and an antenna located on the back portion.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: May 24, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Dong Li, Chunyang Wang, Zheng Liu, Ming Liu
  • Publication number: 20220157919
    Abstract: A display substrate having a display area and a gate-on-array (GOA) area outside the display area is provided. The display substrate includes a base substrate; a plurality of GOA signal lines on the base substrate and in the GOA area; and a first signal line in the GOA area, at least a portion of the first signal line being on a side of the plurality of GOA signal lines away from the base substrate. An orthographic projection of the first signal line on the base substrate at least partially covers an orthographic projection of at least one of a first clock signal line, a second clock signal line, a start signal line, a high voltage power line, or a low voltage power line on the base substrate.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Hongwei Tian, Yanan Niu, Chunyang Wang, Dong Li, Zheng Liu, Shuai Zhang
  • Publication number: 20220156478
    Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes a plurality of optical fingerprint identification structures, each optical fingerprint identification structure includes a display region and a sensing region, the display region includes a driving circuitry layer, a planarization layer, a. pixel definition layer, and a light-emitting element, and the light-emitting element includes an anode, a light-emitting material layer and a cathode. The sensing region includes a sensing region opening, an optical sensor and a cathode metal layer, the cathode metal layer includes a first cathode metal layer and a second cathode metal layer, and the first cathode metal layer is separated from the second cathode metal layer by a gap, so that light emitted by the light-emitting element is allowed to enter the optical sensor through the gap after being reflected by a fingerprint.
    Type: Application
    Filed: August 27, 2021
    Publication date: May 19, 2022
    Inventors: Ming LIU, Hongwei TIAN, Hao LIU, Jing WANG
  • Patent number: 11335883
    Abstract: The present disclosure provides an organic light-emitting diode display substrate and a manufacturing method thereof. The manufacturing method includes: sequentially forming a first electrode, a light-emitting layer and a second electrode on a base substrate; forming a protection layer having a first opening on a side of the second electrode distal to the base substrate; and forming a second opening in the second electrode, the second opening being located below the first opening. In the present disclosure, with the protection layer, only a portion of the second electrode below the first opening is removed, so that other portions of the second electrode are prevented from being damaged, thereby eliminating a poor display of the display device.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: May 17, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Chunyan Xie, Chunyang Wang, Dong Li, Zheng Liu, Ming Liu
  • Patent number: 11335870
    Abstract: Provided is a method for preparing a display substrate. The display substrate includes multiple pixel island regions, empty regions and connection bridge regions. The preparation method includes: forming first grooves corresponding to the pixel island regions and second grooves corresponding to the connection bridge regions on a side of a hard underlay substrate; preparing the display substrate on a side of the underlay substrate where the first grooves and the second grooves are formed, wherein the pixel island regions are located in regions where the first grooves are located, the connection bridge regions are located in regions where the second grooves are located, and the empty regions are located in regions other than the first grooves and the second grooves; and separating the underlay substrate from the display substrate to obtain the display substrate.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: May 17, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hongwei Tian, Yanan Niu, Meng Zhao, Pinfan Wang, Zheng Liu
  • Publication number: 20220129659
    Abstract: An optical fingerprint sensor is provided. The optical fingerprint sensor includes a backplate structure layer, a pixel defining layer, and an organic photoelectric sensing layer, wherein the pixel defining layer is disposed on a side of the backplate structure layer; and a non-pixel region of the pixel defining layer is provided with a first non-pixel hole, and the organic photoelectric sensing layer is disposed in the first non-pixel hole.
    Type: Application
    Filed: October 18, 2021
    Publication date: April 28, 2022
    Inventors: Jing WANG, Ming LIU, Zheng LIU, Hongwei TIAN, Yibing FAN, Jia ZHAO
  • Patent number: 11307689
    Abstract: The present invention provides an array substrate. The array substrate includes: a backplane including a display area and a bonding area; a wiring layer provided on the backplane and exposed in the bonding area; a protective layer provided on a surface of the wiring layer away from the backplane and covering the wiring layer in the display area and the bonding area, wherein a through-hole is provided in the protective layer in the boding area; and a connection layer provided on a surface of the protective layer away from the backplane and coupled to the wiring layer through the through-hole.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: April 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Zheng Liu
  • Patent number: 11296122
    Abstract: Embodiments of the present disclosure provide an array substrate including a base substrate, an active layer on the base substrate, a first gate insulating layer on the active layer, a first gate on the first gate insulating layer, and a second gate insulating layer on the first gate. The second gate insulating layer includes a first sub-insulating layer and a second sub-insulating layer disposed in a direction away from the active layer, and a hydrogen content of the first sub-insulating layer is larger than a hydrogen content of the second sub-insulating layer. A method for fabricating the array substrate and a display panel including the array substrate are also provided.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: April 5, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Meng Zhao, Lei Wang, Zheng Liu
  • Publication number: 20220102690
    Abstract: A method for manufacturing a display backplane, a display backplate, and a display device are disclosed. The method includes: forming a planarization layer on one side of a substrate inside a pixel region, a partition region, and a perforation region; forming at least one girdle of annular passivation layer disposed around the perforation region on a surface, away from the substrate, of the planarization layer inside a portion of the partition layer; removing a portion of the planarization layer, inside the partition region, uncovered by the annular passivation layer and the planarization layer, inside the partition region, partially covered by the annular passivation layer, to obtain at least one girdle of annular isolation columns disposed between the substrate and the annular passivation layer and around the perforation region; and forming organic light-emitting elements on one side of the planarization layer away from the substrate to obtain the display backplane.
    Type: Application
    Filed: June 23, 2021
    Publication date: March 31, 2022
    Inventors: Jing WANG, Hongwei TIAN, Ming LIU, Ziang HAN, Zunqing SONG
  • Patent number: 11276739
    Abstract: A display substrate is provided. The display substrate includes a substrate (1), a first transistor (2) and a second transistor (3) on the substrate (1), directions of intrinsic threshold voltage shifts of the first transistor (2) and the second transistor (3) being opposite; and a shift adjustment structure (4) on the substrate (1). The shift adjustment structure (4) may be configured to input adjustment signals to the first transistor (2) and the second transistor (3) respectively to make threshold voltages of the first transistor (2) and the second transistor (3) shift in directions opposite to the directions of their intrinsic threshold voltage shifts respectively.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: March 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanan Niu, Jiushi Wang, Zhanfeng Cao, Qi Yao, Feng Zhang, Wusheng Li, Feng Guan, Lei Chen, Hongwei Tian
  • Patent number: 11222586
    Abstract: A display panel is disclosed. The display panel includes a flexible substrate; a display sub-region on the flexible substrate including a light emitting device; a peripheral region of the display sub-region spacing the display sub-region from an adjacent display sub-region; and a current compensator in the peripheral region for compensating a current flowing through the light emitting device of the display sub-region in response to deformation of the flexible substrate.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: January 11, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dong Li, Hongwei Tian, Xiaolong Li, Shuai Zhang, Chunyang Wang
  • Publication number: 20210407353
    Abstract: The present invention provides a stretchable display substrate, a method for manufacturing the same, a display device and an operating method thereof, and belongs to the field of display technologies. The stretchable display substrate includes a plurality of islands on a base substrate, and a plurality of connection bridges corresponding to each of the plurality of islands. The plurality of islands are distributed in array and separated from each other; the plurality of connection bridges corresponding to each island are configured to connect the island with islands adjacent to the island. An electrical detection structure is provided between each island and the plurality of connection bridges corresponding to the island, and the electrical detection structure is configured to have an electrical parameter changed when the stretchable display substrate is stretched.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 30, 2021
    Inventors: Hongwei TIAN, Yanan NIU, Dong LI, Ming LIU, Zheng LIU
  • Patent number: 11201302
    Abstract: The embodiments of the disclosure provide a flexible display panel, including a flexible substrate, the flexible substrate including a plurality of cylindrical surface stretching bodies in an array, every two adjacent cylindrical surface stretching bodies being connected by their side edges, and a flexible device on the flexible substrate, the flexible device being conformal with the flexible substrate. The embodiments also provide a display device including the flexible display panel and a method for manufacturing the flexible display panel.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: December 14, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Zheng Liu, Dong Li, Liangjian Li, Zunqing Song
  • Publication number: 20210384224
    Abstract: A display substrate having a display area and a gate-on-array (GOA) area outside the display area is provided. The display substrate includes a base substrate a light shielding layer on the base substrate; an insulating layer on a side of the light shielding layer away from the base substrate; and a GOA signal line on a side of the insulating layer away from the light shielding layer, and is connected electrically in parallel with a first part of the light shielding layer, the first part being in the GOA area. The display substrate includes a plurality of first vias extending through the insulating layer in the GOA area. The GOA signal line is electrically connected to the first part of the light shielding layer through the plurality of first vias respectively, thereby connecting the GOA signal line and the first part of the light shielding layer electrically in parallel.
    Type: Application
    Filed: March 21, 2019
    Publication date: December 9, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Hongwei Tian, Yanan Niu, Chunyang Wang, Dong Li, Zheng Liu, Shuai Zhang
  • Publication number: 20210375952
    Abstract: Embodiments of the present disclosure provide an array substrate including a base substrate, an active layer on the base substrate, a first gate insulating layer on the active layer, a first gate on the first gate insulating layer, and a second gate insulating layer on the first gate. The second gate insulating layer includes a first sub-insulating layer and a second sub-insulating layer disposed in a direction away from the active layer, and a hydrogen content of the first sub-insulating layer is larger than a hydrogen content of the second sub-insulating layer. A method for fabricating the array substrate and a display panel including the array substrate are also provided.
    Type: Application
    Filed: May 23, 2019
    Publication date: December 2, 2021
    Inventors: Hongwei TIAN, Yanan NIU, Meng ZHAO, Lei WANG, Zheng LIU
  • Patent number: 11191160
    Abstract: A flexible base substrate, a manufacturing method thereof, and a display device are provided. The flexible base substrate includes a first flexible substrate. The first flexible substrate includes: a first flexible film layer including a flexible film layer body, and a plurality of protrusions spaced apart from each other on a surface of a side of the flexible film layer body; a first spacer layer on the first flexible film layer and including a plurality of first islands spaced apart from each other; and a first groove between adjacent first islands. The first groove is filled with a first organic material, and a height of the first organic material is smaller than a height of the first groove in a direction perpendicular to the flexible film layer body.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: November 30, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Zheng Liu, Meng Zhao
  • Patent number: 11171159
    Abstract: The present disclosure provides a display backplane and a method for manufacturing the same, a display panel, and a display device. The display backplane includes: a substrate; a first thin film transistor located on one side of the substrate; and a second thin film transistor located on the one side of the substrate, wherein: the first thin film transistor comprises a first active layer, the second thin film transistor comprises a second active layer, wherein the first active layer and the second active layer are located in a same layer, and a material of the first active layer is different from that of the second active layer.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: November 9, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yanan Niu, Jiushi Wang, Lei Chen, Hongwei Tian, Zhanfeng Cao, Feng Guan, Feng Zhang, Shi Shu, Kuanjun Peng, Yichi Zhang, Qi Qi
  • Publication number: 20210343954
    Abstract: A flexible substrate has at least one bendable region. The flexible substrate includes a flexible base, a first electrode layer disposed on the base, a first insulating layer disposed on a side of the first electrode layer away from the base, and a second electrode layer disposed on a side of the first insulating layer away from the base. The first electrode layer includes at least one first detection electrode, and the second electrode layer includes at least one second detection electrode. An orthogonal projection of a first detection electrode on the base overlaps at least partially with an orthogonal projection of a second detection electrode on the base. A region where orthogonal projections of the first detection electrode and the second detection electrode on the base are located overlaps with a bendable region.
    Type: Application
    Filed: June 4, 2020
    Publication date: November 4, 2021
    Inventors: Hongwei TIAN, Yanan NIU, Dong LI, Ming LIU, Zheng LIU
  • Patent number: 11139356
    Abstract: The present disclosure discloses an array substrate with a display area, a manufacturing method thereof, a display panel, and a display device. The array substrate with the display area includes a base substrate, and a thin film transistor structure on a surface of the base substrate. The thin film transistor structure is in the display area, the thin film transistor structure includes at least a source-drain pattern and a planarization pattern. The source-drain pattern and the planarization pattern are on a side of the thin film transistor structure away from the base substrate. A surface of the planarization pattern away from the base substrate and a surface of the source-drain pattern away from the base substrate are substantially in a same plane, the planarization pattern has a first slot, and the source-drain pattern is accommodated in the first slot.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: October 5, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Dong Li, Chunyang Wang, Ming Liu, Zheng Liu
  • Publication number: 20210265453
    Abstract: A display panel, a display apparatus, and a manufacturing method are disclosed. The display panel includes a base substrate having a first through hole; a conductive structure located on the base substrate and at least partially covering the first through hole; and a display structure including a first display structure, a control line, and a second display structure that are arranged in layers on a side of the base substrate where the conductive structure is located, wherein the first display structure has a second through hole, and the control line is electrically connected to the conductive structure by passing through the second through hole.
    Type: Application
    Filed: April 22, 2020
    Publication date: August 26, 2021
    Inventors: Chunyang WANG, Hongwei TIAN, Dong LI, Liangjian LI