Patents by Inventor Weifeng Zhou

Weifeng Zhou 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: 20220285637
    Abstract: The embodiments of the disclosure disclose a flexible display apparatus. The flexible display apparatus includes a flexible substrate, a display device and a flexible encapsulation layer. The flexible substrate includes a first organic layer, an inorganic buffer layer, and a second organic layer, the inorganic buffer layer is between the first organic layer and the second organic layer, and the first organic layer includes inorganic nano-particles; the display device is located between the flexible substrate and the flexible encapsulation layer; the flexible encapsulation layer is configured to encapsulate the display device.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 8, 2022
    Inventors: Hejin WANG, Mingche HSIEH, Weifeng ZHOU, Shanchen KAO, Dawei WANG
  • Patent number: 11374184
    Abstract: The embodiments of the disclosure disclose a flexible substrate, a fabrication method thereof, and a flexible display apparatus. The flexible substrate includes a first organic layer, an inorganic buffer layer, and a second organic layer. The inorganic buffer layer is between the first organic layer and the second organic layer. The second organic layer includes inorganic nano-particles. The expansion coefficient of the flexible substrate provided by the embodiment of the present disclosure is more matched with that of the rigid auxiliary substrate, so as to reduce the risk of warping of the rigid auxiliary substrate and then improve the process accuracy when fabricating the display device.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: June 28, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hejin Wang, Mingche Hsieh, Weifeng Zhou, Shanchen Kao, Dawei Wang
  • Publication number: 20220165833
    Abstract: The present disclosure relates to the technical field of display, and discloses a display panel and a display apparatus. The display panel includes a first substrate, a power line arranged on the first substrate, and a drive circuit located at the side, facing away from the first substrate, of the power line and isolated from the power line, an orthographic projection of the power line on the first substrate is at least partially overlapped with an orthographic projection of the drive circuit on the first substrate.
    Type: Application
    Filed: June 16, 2021
    Publication date: May 26, 2022
    Inventors: Wenqiang LI, Weifeng ZHOU, Ling SHI, Liqiang CHEN
  • Publication number: 20220140263
    Abstract: A flexible display device includes a flexible substrate; a display layer, disposed on the flexible substrate; a reinforcement layer, disposed on a side of the display layer distal to the flexible substrate; and a protective layer, disposed on a side of the reinforcement layer distal to the flexible substrate; wherein material of the reinforcement layer comprises glass and a thickness of the reinforcement layer ranges from 10 ?m to 150 ?m.
    Type: Application
    Filed: January 13, 2022
    Publication date: May 5, 2022
    Inventors: Lu LIU, Shan-Chen KAO, Weifeng ZHOU
  • Publication number: 20220102462
    Abstract: Provided are a display substrate, a preparation method thereof, a method for bonding a display panel, and a display apparatus. The display substrate includes a display region and a bezel region, the display region includes multiple corner regions and the corner regions include a corner display region and a blank corner cutting region which are alternately disposed. The corner display region includes a composite wiring layer disposed on a base substrate, a drive structure layer disposed on the composite wiring layer and light-emitting elements disposed on the drive structure layer. The composite wiring layer includes a first wiring layer, a second wiring layer and a first insulating layer disposed between the first wiring layer and the second wiring layer. The drive structure layer includes a pixel drive circuit and multiple connection electrodes. The first wiring layer includes a gate line, and the second wiring layer includes a data line.
    Type: Application
    Filed: April 21, 2021
    Publication date: March 31, 2022
    Inventors: Weifeng ZHOU, Jiafan SHI, Liqiang CHEN, Wenqiang LI
  • Publication number: 20220093654
    Abstract: Disclosed in embodiments of the present disclosure are a display substrate, a display panel, and a method for preparing the display substrate. The display substrate includes: a base substrate; a first source-drain layer, including first source-drain electrodes in the first area, and a first gate located in the second area; a first active layer, including a poly-silicon active layer located in the first area; a first gate layer, including a second gate and a connecting electrode located in the first area; a second active layer, including an oxide active layer located in the second area; a second gate layer, including a third gate located in the second area; and a second source-drain layer, including a second source-drain electrodes in the second area, and a lapping electrode located in the first area.
    Type: Application
    Filed: May 28, 2021
    Publication date: March 24, 2022
    Inventors: Tao Gao, Kuo Sun, Weifeng Zhou
  • Publication number: 20220076973
    Abstract: Location-based binning can separate defects on different rows of channel holes in a 3D NAND structure to corresponding bins. A one-dimensional projection of an image is generated and a one-dimensional curve is formed. A mask is generated from the one-dimensional curve. Defects in the image are detected using the mask and location-based binning is performed.
    Type: Application
    Filed: June 23, 2021
    Publication date: March 10, 2022
    Inventors: Zhuang Liu, Weifeng Zhou
  • Patent number: 11258043
    Abstract: A flexible display panel includes a flexible substrate; a display layer on the flexible substrate; a reinforcement layer on a side of the display layer distal to the flexible substrate; and a protective layer on a side of the reinforcement layer distal to the flexible substrate; wherein the reinforcement layer is a multi-layer laminate structure comprising at least one colorless polymide layer and the reinforcement layer is configured to enhance the reliability testing of the flexible display panel.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: February 22, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lu Liu, Shan-Chen Kao, Weifeng Zhou
  • Patent number: 11251392
    Abstract: A display substrate and a preparation method thereof, a display device and a preparation method thereof and a display apparatus are proposed in the disclosure. The preparation method of the display substrate includes: providing a flexible base, an upper surface thereof having a display area and a circuit connection area, and a portion of the flexible base including a bending portion and a connection portion; disposing a groove on the lower surface, and an orthographic projection of the groove on the upper surface corresponding to a position of an orthographic projection of the bending portion on the upper surface; disposing a back plate, an OLED light emitting device and a package structure in a sequence on the display area, and disposing a circuit connection layer on the circuit connection area. Bending the bending portion downward to extend, the connection portion is located on a side of the lower surface.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: February 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Penghao Gu, Chunyan Xie, Song Zhang, Weifeng Zhou, Lingzhi Qian
  • Patent number: 11243574
    Abstract: The disclosure provides a flexible display panel, a method for fabricating the same, and a flexible display device. A flexible display panel according to an embodiment of the disclosure includes a flexible substrate comprising a display area and a non-display area, the non-display area is provided with a bendable area; a display element arranged in the display area of the flexible substrate; a flexible element arranged in the bendable area of the flexible substrate; a backside protection film arranged on a side of the flexible substrate away from the display element; the backside protection film is provided with a groove; a length direction of the groove is parallel to a direction of a bending axis of the bendable area.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: February 8, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Tao Wang, Weifeng Zhou
  • Publication number: 20210271298
    Abstract: The present disclosure provides a display panel including: a panel main body including a display region, a bendable region and a binding region, wherein a plurality of signal transmission lines extending from the display region to the binding region are arranged in the bendable region; and an enhancement layer in the bendable region of the panel main body and including an electrode layer, wherein the electrode layer includes at least one auxiliary electrode, each auxiliary electrode corresponds to one of the plurality of signal transmission lines, different auxiliary electrodes correspond to different ones of the plurality of signal transmission lines, respectively, and each auxiliary electrode is electrically connected to a corresponding signal transmission line. The present disclosure further provides a flexible display device.
    Type: Application
    Filed: June 12, 2020
    Publication date: September 2, 2021
    Inventors: Liqiang CHEN, Xiangfei HE, Weifeng ZHOU
  • Patent number: 11100308
    Abstract: An array substrate and a preparation method therefor, a fingerprint recognition method, and a display device, comprising: a base substrate, a plurality of pixel units and a plurality of fingerprint recognition units located within a display region of the base substrate; a fingerprint recognition unit comprises: a light-shielding layer and a photosensitive image sensor that are located on the base substrate; the light-shielding layer is provided with a through hole which is used to achieve small-aperture imaging; the orthographic projection of the through hole on the base substrate does not overlap with the orthographic projection of a pixel unit on the base substrate; the photosensitive image sensor is used to receive an image of a fingerprint formed by means of the through hole.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: August 24, 2021
    Assignee: BOE Technology Group Co., Ltd
    Inventors: Yanliu Sun, Shiming Shi, Zheng Liu, Weifeng Zhou
  • Publication number: 20210256675
    Abstract: Methods and systems for detecting defects in an array region on a specimen are provided. One method includes determining a center of a page break in output generated by an inspection subsystem for a specimen in an array region. The page break separates cell regions in the array region, and the cell regions include repeating patterned features. The method also includes determining an offset between the center of the page break in the output and a center of the page break in a design for the specimen and identifying portions of the output that correspond to care areas in the array region based on the offset. In addition, the method includes detecting defects in the array region by applying a defect detection method to the portions of the output that correspond to the care areas.
    Type: Application
    Filed: August 26, 2020
    Publication date: August 19, 2021
    Inventors: Siqing Nie, Chunwei Song, Zhuang Liu, Weifeng Zhou
  • Publication number: 20210167306
    Abstract: The display substrate includes: the flexible base substrate and the trace layer, a first adhesion-enhancing layer, and a first insulating layer that are stacked on the flexible base substrate, wherein the first adhesion-enhancing layer is between the first insulating layer and the trace layer, and the first adhesion-enhancing layer is bonded to the first insulating layer and the trace layer respectively. The flexible base substrate is provided with a bending area, and an overlapping area is present between an area which an orthographic projection of the first adhesion-enhancing layer on the flexible base substrate is within and the bending area, and an orthographic projection of the signal trace in the trace layer on the flexible base substrate falls in the bending area.
    Type: Application
    Filed: March 13, 2020
    Publication date: June 3, 2021
    Inventors: Lu Liu, Yunjin Liu, Weifeng Zhou
  • Patent number: 11013116
    Abstract: A flexible assembly for a display device and the display device are provided. The flexible assembly includes a flexible substrate, and a first output pad, a second output pad, a third output pad and a fourth output pad that are arranged on the substrate. The first output pad, the second output pad, the third output pad and the fourth output pad are sequentially arranged along a first direction and are spaced apart from each other. A pitch is between each output pad and an adjacent output pad, and the pitch is a sum of a spacing distance between each output pad and the adjacent output pad and a width of the adjacent output pad in the first direction. The pitch between the first output pad and the adjacent second output pad is smaller than the pitch between the third output pad and the adjacent fourth output pad.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: May 18, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqiang Chen, Paoming Tsai, Weifeng Zhou, Chen Xu, Jifeng Tan
  • Publication number: 20210134900
    Abstract: A light emitting substrate and a manufacturing method thereof, and an electronic device are provided, the method includes: forming a pixel definition layer by a patterning process using a first mask, in which the pixel definition layer includes an opening and a partition portion defining the opening; forming a first electrode, in which the first electrode includes a first portion covering at least a part of the partition portion and includes a second portion in the opening; and forming an auxiliary electrode by a patterning process using the first mask, in which the auxiliary electrode is electrically connected with the first electrode, and the auxiliary electrode is on the partition portion.
    Type: Application
    Filed: March 29, 2019
    Publication date: May 6, 2021
    Inventors: Mingxiao JIANG, Weifeng ZHOU, Ce NING
  • Patent number: 10978500
    Abstract: Embodiments of the present invention provide a flexible base substrate and a fabrication method thereof. The flexible base substrate comprises: a first flexible film layer, having an upper surface and a lower surface opposite to each other, wherein a plurality of concave parts are arranged on the lower surface of the first flexible film layer.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: April 13, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Tao Gao, Xue Mao, Weifeng Zhou
  • Patent number: D917713
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: April 27, 2021
    Inventor: Weifeng Zhou
  • Patent number: D949382
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: April 19, 2022
    Inventor: Weifeng Zhou
  • Patent number: D959009
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: July 26, 2022
    Inventor: Weifeng Zhou