Patents by Inventor Dejun BU

Dejun BU 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: 20230335022
    Abstract: The present disclosure relates a display device, including a flexible display panel with a bendable region and a flexible support attached to a back side of the flexible display panel, the flexible support includes a flexible support body, and a first part of the flexible support body corresponding to the bendable region is provided with a concave structure.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 19, 2023
    Inventors: Haoran WANG, Dejun BU, Paoming TSAI
  • Patent number: 11721246
    Abstract: The present disclosure relates a display device, including a flexible display panel with a bendable region and a flexible support attached to a back side of the flexible display panel, the flexible support includes a flexible support body, and a first part of the flexible support body corresponding to the bendable region is provided with a concave structure.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: August 8, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haoran Wang, Dejun Bu, Paoming Tsai
  • Publication number: 20220320475
    Abstract: A flexible display apparatus and a fabrication method thereof are provided. The flexible display apparatus includes a display panel and a cover plate layer located on a display side of the display panel. The cover plate layer includes a first cover plate layer and a second cover plate layer stacked; the second cover plate layer is located on a side of the first cover plate layer that is closer to the display panel; the first cover plate layer includes a first flexible cover plate layer and a hardened layer located on a side of the first flexible cover plate layer that is away from the display panel; and the second cover plate layer includes a second flexible cover plate layer, and a material of the second flexible cover plate layer includes glass.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 6, 2022
    Inventors: Yongxiang SHI, Paoming TSAI, Shiming SHI, Dejun BU
  • Patent number: 11455824
    Abstract: A cover plate and a manufacturing method thereof, an electronic device are disclosed. The cover plate includes an operation area, the operation area includes an identification area and a non-identification area, the cover plate includes a contact surface, the contact surface includes a first contact surface and a second contact surface, the first contact surface is in the identification area, the second contact surface is in the non-identification area, and the first contact surface and the second contact surface have different contact properties.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: September 27, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Dejun Bu, Paoming Tsai, Jianwei Li
  • Patent number: 11402550
    Abstract: Disclosed herein is a flexible polarizing cover plate including laminated polarizers and a hard coating. The hard coating includes a viewable area and a black matrix area surrounding the viewable area. The black matrix area includes a plurality of grooves surrounding the viewable area and ink filled and cured in the plurality of grooves. A preparation method of a flexible polarizing cover plate, a display panel and a display device including the flexible polarizing cover plate are also provided.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: August 2, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jianwei Li, Paoming Tsai, Dejun Bu
  • Patent number: 11380856
    Abstract: A flexible element configured to be disposed on a surface of a non-display substrate of a flexible display panel includes: a first base layer and a second base layer which are oppositely arranged with each other; and a buffer layer sandwiched between the first base layer and the second base layer. The flexible element can be bent around a bending axis. A projection of the buffer layer on a plane perpendicular to the bending axis is wave-shaped.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: July 5, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haoran Wang, Dejun Bu, Paoming Tsai
  • Patent number: 11302879
    Abstract: A flexible display substrate and a manufacturing method therefor, and a display apparatus, for relieving the problem that it is difficult to bend the flexible display substrate in a bending region to damage an upper circuit. The flexible display substrate comprises a back film, a first flexible base substrate located above the back film, and a second flexible base substrate located on one side of the first flexible base substrate facing away from the back film. The flexible display substrate has a bending region. An auxiliary layer is further provided between the first flexible base substrate and the second flexible base substrate. At least part of the auxiliary layer in the bending region can be decomposed in a preset condition, wherein the other film layers except the auxiliary layer are maintained at the original status in the preset condition.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: April 12, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Lu Liu, Pao Ming Tsai, Peng Cai, Hong Li, Dejun Bu, Jianwei Li, Liqiang Chen
  • Patent number: 11289671
    Abstract: The present disclosure provides a cover plate for a flexible substrate which includes a first hardened layer, a second hardened layer and a polymer thin film layer provided between the first hardened layer and the second hardened layer, wherein a hardness of the first hardened layer is less than that of the second hardened layer, a hardness of the polymer thin film layer is less than that of the first hardened layer, and a bending radius of the first hardened layer is greater than that of the second hardened layer.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: March 29, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongxiang Shi, Paoming Tsai, Dejun Bu, Peng Cai, Jiahao Zhang, Shuang Du
  • Patent number: 11263930
    Abstract: A flexible display device is configured to be bendable along at least one bending axis, have two opposite sides at both ends of the bending axis, respectively, and include a first substrate and a second substrate opposite to each other, and a hetero-shaped double-sided adhesive tape bonding the first substrate and the second substrate to each other on at least one of the two opposite sides. The hetero-shaped double-sided adhesive tape includes a lower adhesive layer, a base material layer, and an upper adhesive layer which are stacked together in sequence. In a stacking direction of the lower adhesive layer, the base material layer and the upper adhesive layer, the upper adhesive layer has a non-overlapping region that does not overlap the lower adhesive layer, and/or the lower adhesive layer has a non-overlapping region that does not overlap the upper adhesive layer.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: March 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejun Bu, Paoming Tsai, Jianwei Li
  • Publication number: 20220036774
    Abstract: The present disclosure relates a display device, including a flexible display panel with a bendable region and a flexible support attached to a back side of the flexible display panel, the flexible support includes a flexible support body, and a first part of the flexible support body corresponding to the bendable region is provided with a concave structure.
    Type: Application
    Filed: October 13, 2021
    Publication date: February 3, 2022
    Inventors: Haoran WANG, Dejun BU, Paoming TSAI
  • Publication number: 20210407341
    Abstract: A flexible display apparatus and a fabrication method thereof are provided. The flexible display apparatus includes a display panel and a cover plate layer located on a display side of the display panel. The cover plate layer includes a first cover plate layer and a second cover plate layer stacked; the second cover plate layer is located on a side of the first cover plate layer that is closer to the display panel; the first cover plate layer includes a first flexible cover plate layer and a hardened layer located on a side of the first flexible cover plate layer that is away from the display panel; and the second cover plate layer includes a second flexible cover plate layer.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 30, 2021
    Inventors: Yongxiang SHI, Paoming TSAI, Shiming SHI, Dejun BU
  • Patent number: 11176851
    Abstract: The present disclosure relates a display device, including a flexible display panel with a bendable region and a flexible support attached to a back side of the flexible display panel, the flexible support includes a flexible support body, and a first part of the flexible support body corresponding to the bendable region is provided with a concave structure.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: November 16, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haoran Wang, Dejun Bu, Paoming Tsai
  • Patent number: 11069264
    Abstract: The present disclosure discloses a cover structure, a manufacturing method thereof and a display device. The cover structure includes a first and a second transparent flexible film layer, a glass panel, and a first optical adhesive layer. The first transparent flexible film layer has a folded region and a non-folded region. The glass panel is disposed on the first transparent flexible film layer, and a projection of the glass panel on the first transparent flexible film layer is located inside the non-folded region. A part of the first optical adhesive layer is formed at a side of the glass panel facing away from the first transparent flexible film layer, and a part of the first optical adhesive layer covers the folded region of the first transparent flexible film layer. The second transparent flexible film layer is formed at a side of the first optical adhesive layer facing away from the first transparent flexible film layer.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: July 20, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianwei Li, Pao Ming Tsai, Shuang Du, Hong Li, Dejun Bu, Liqiang Chen, Lu Liu, Peng Cai
  • Publication number: 20210150941
    Abstract: A flexible display device is configured to be bendable along at least one bending axis, have two opposite sides at both ends of the bending axis, respectively, and include a first substrate and a second substrate opposite to each other, and a hetero-shaped double-sided adhesive tape bonding the first substrate and the second substrate to each other on at least one of the two opposite sides. The hetero-shaped double-sided adhesive tape includes a lower adhesive layer, a base material layer, and an upper adhesive layer which are stacked together in sequence. In a stacking direction of the lower adhesive layer, the base material layer and the upper adhesive layer, the upper adhesive layer has a non-overlapping region that does not overlap the lower adhesive layer, and/or the lower adhesive layer has a non-overlapping region that does not overlap the upper adhesive layer.
    Type: Application
    Filed: May 28, 2019
    Publication date: May 20, 2021
    Inventors: Dejun BU, Paoming TSAI, Jianwei LI
  • Patent number: 10978526
    Abstract: The present disclosure provides a display device, a display panel, and a fabricating method, and generally relates to the field of display technology. The display panel of the present disclosure comprises a substrate, a drive layer, a separation layer, a display device layer, and a through hole. The substrate has an opening zone, a transition zone surrounding the opening zone, and a display area surrounding the transition zone. The drive layer is disposed on a side of the substrate and covering the opening zone, the transition zone, and the display area. The separation layer is disposed on a surface of the drive layer away from the substrate and is located in the transition zone. The display panel of the present disclosure can prevent water and oxygen from entering the display area to prevent erosion of the display device.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: April 13, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chengjie Qin, Dejun Bu, Song Zhang, Tao Wang
  • Patent number: 10971465
    Abstract: The present disclosure provides a driving chip, a display substrate, a display device and a method for manufacturing a display device. The driving chip according to the present disclosure includes a substrate; and a plurality of connecting bumps and a plurality of supporting bumps disposed on the substrate. The plurality of connecting bumps include at least one set of connecting bumps arranged along a first direction, and the plurality of supporting bumps include the supporting bump that is located between the adjacent connecting bumps arranged along the first direction.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: April 6, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqiang Chen, PaoMing Tsai, Jianwei Li, Dejun Bu, Shuang Du, Can Zheng
  • Publication number: 20210083210
    Abstract: A flexible element configured to be disposed on a surface of a non-display substrate of a flexible display panel includes: a first base layer and a second base layer which are oppositely arranged with each other; and a buffer layer sandwiched between the first base layer and the second base layer. The flexible element can be bent around a bending axis. A projection of the buffer layer on a plane perpendicular to the bending axis is wave-shaped.
    Type: Application
    Filed: January 9, 2019
    Publication date: March 18, 2021
    Inventors: Haoran WANG, Dejun BU, Paoming TSAI
  • Publication number: 20210011201
    Abstract: Disclosed herein is a flexible polarizing cover plate including laminated polarizers and a hard coating. The hard coating includes a viewable area and a black matrix area surrounding the viewable area. The black matrix area includes a plurality of grooves surrounding the viewable area and ink filled and cured in the plurality of grooves. A preparation method of a flexible polarizing cover plate, a display panel and a display device including the flexible polarizing cover plate are also provided.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 14, 2021
    Inventors: Jianwei Li, Paoming Tsai, Dejun Bu
  • Patent number: 10827631
    Abstract: A foldable display has a foldable area. The foldable display includes: a flexible display screen having a display surface and a back surface opposite to the display surface; a foldable mechanism fastened on the back surface of the flexible display screen; and a elastic portion disposed between the foldable mechanism and the flexible display screen. The elastic portion is connected to the foldable mechanism and the flexible display screen. At least a part of the elastic portion is located in the foldable area. The at least a part of the elastic portion located in the foldable area is configured to elastically deform as the flexible display screen and the foldable mechanism are synchronously switched between a folded state and a flattened out state.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: November 3, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lu Liu, Paoming Tsai, Dejun Bu
  • Patent number: 10795474
    Abstract: There is provided a display apparatus and a production method thereof. The display apparatus has a touch control panel and a display panel, wherein at least one surface of the touch control panel has a plurality of concave-convex fine structures, and wherein the touch control panel is on a light-emitting side of the display panel. The touch control panel may have: a flexible substrate having a plurality of concave-convex fine structures on at least one surface; and a touch control electrode having at least one part formed on one or more concave-convex fine structures of the flexible substrate.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: October 6, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejun Bu, Pao Ming Tsai, Zhao Li