Patents by Inventor Lijing HAN

Lijing HAN 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: 20240093348
    Abstract: A mask module includes a framework and a first strip plate fixed on the framework and extending along a first direction. The first strip plate is provided with a first concave-convex structure on one side edge along the first direction. At least one convex structure is provided in a middle of the first concave-convex structure along the first direction. The convex structure and the first stripe plate are integrally formed.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 21, 2024
    Inventors: Naichao MU, Yuan Li, Yu Xin, Jun Ma, Lijing Han
  • Publication number: 20240093349
    Abstract: A mask module includes a framework, a first strip plate fixed on the framework and extending along a first direction, and a first mask. The first mask is located on a side, deviating from the framework, of the first strip plate. The first mask includes at least one preset area, and the preset area includes at least one opening area. The first strip plate is provided with a first concave-convex structure on one side edge along the first direction. At least one convex structure is provided in a middle of the first concave-convex structure along the first direction. In a direction perpendicular to a surface of the first mask, the first concave-convex structure and the convex structure cover at least a part of area of the at least one opening of the preset area. The convex structure and the first stripe plate are integrally formed.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 21, 2024
    Inventors: Naichao MU, Yuan LI, Yu XIN, Jun MA, Lijing HAN
  • Patent number: 11885004
    Abstract: The disclosure discloses a mask device and an evaporation device, so as to manufacture a special-shaped display panel, improve the manufacturing efficiency of the special-shaped display panel and lower the cost. The mask device provided by the embodiment of the present disclosure comprises a framework and a first strip plate, where the first strip plate is fixed on the framework and extends along the first direction, the first strip plate includes a first area and a second area, and the width of the first area is greater than the width of the second area in the direction parallel to the surface of the first strip plate and vertical to the first direction.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: January 30, 2024
    Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Naichao Mu, Yuan Li, Yu Xin, Jun Ma, Lijing Han
  • Patent number: 11848336
    Abstract: An array substrate, a display panel, and a display apparatus are provided. The array substrate includes a substrate and a first thin-film transistor located on the substrate. In an embodiment, the first thin-film transistor includes a channel and a gate electrode. In an embodiment, an orthographic projection of the gate electrode on the substrate overlaps with an orthographic projection of the channel on the substrate. In an embodiment, the gate electrode comprises a first zone and a second zone that are arranged in a first direction. In an embodiment, the channel overlapping with the first zone in a direction perpendicular to the substrate has a total width W1 in a second direction perpendicular to the first direction, the channel overlapping with the second zone in a direction perpendicular to the substrate has a total width W2 in the second direction, and W1/W2?3.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: December 19, 2023
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Huiping Chai, Lijing Han, Guobing Wang
  • Publication number: 20230371320
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes pixel circuits arranged in a matrix, and a blocking unit. Each pixel circuit includes: a driving transistor; a first switch transistor; a second switch transistor; and a third switch transistor. The blocking unit is configured to receive a fixed potential signal, and at least a partial area of the blocking unit is located between a first semiconductor connection portion and a second semiconductor connection portion, the first semiconductor connection portion is connected between a second electrode of the first switch transistor and a gate electrode of the driving transistor, and the second semiconductor connection portion is electrically connected between a first electrode of the second switch transistor and a data line.
    Type: Application
    Filed: April 18, 2023
    Publication date: November 16, 2023
    Inventors: Lijing HAN, Xian CHEN, Yu XIN
  • Publication number: 20230232689
    Abstract: A display panel having a first display region and a second display region is provided. The display panel includes sub-pixels. Light transmittance of a non-light-emitting region in the second display region is greater than light transmittance of a non-light-emitting region in the first display region. For a first sub-pixel of the sub-pixels located in the first display region and a second sub-pixel of the sub-pixels located in the second display region that emit a same color, the first sub-pixel corresponds to a first pixel circuit, and the second sub-pixel corresponds to a second pixel circuit, and a width-to-length ratio of a driving transistor in the second pixel circuit is greater than a width-to-length ratio of a driving transistor in the first pixel circuit.
    Type: Application
    Filed: March 20, 2023
    Publication date: July 20, 2023
    Inventors: Yu XIN, Kang YANG, Lijing HAN, Xian CHEN
  • Publication number: 20230217685
    Abstract: A display panel and a display device are provided. The display panel includes a display area and a non-display area surrounding the display area; a first substrate and a second substrate disposed opposite to the first substrate; a plurality of supporting pillars disposed between the first substrate and the second substrate and located in the display area; and an adhesive layer disposed between the first substrate and the second substrate and located in the non-display area. The second substrate includes a plurality of film layers, the plurality of film layers include a polarizer and at least one first layer, and a thickness of a portion of the at least one first layer located in the display area is greater than a thickness of a portion of the at least one first layer located in the non-display area.
    Type: Application
    Filed: March 18, 2022
    Publication date: July 6, 2023
    Inventors: Huiping CHAI, Baoyan CHAI, Lijing HAN, Yuantao WU
  • Patent number: 11690260
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes pixel circuits arranged in a matrix, and a blocking unit. Each pixel circuit includes: a driving transistor; a first switch transistor; a second switch transistor; and a third switch transistor. The blocking unit is configured to receive a fixed potential signal, and at least a partial area of the blocking unit is located between a first semiconductor connection portion and a second semiconductor connection portion, the first semiconductor connection portion is connected between a second electrode of the first switch transistor and a gate electrode of the driving transistor, and the second semiconductor connection portion is electrically connected between a first electrode of the second switch transistor and a data line.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: June 27, 2023
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Lijing Han, Xian Chen, Yu Xin
  • Patent number: 11638386
    Abstract: A display panel having a first display region and second display region is provided. The display panel includes a sub-pixel array that includes a plurality of sub-pixels in an array and distributed in the first display region and the second display region. A non-light-emitting region in the second display region has a greater light transmittance than a non-light-emitting region in the first display region. Among sub-pixels emitting a same color of the plurality of sub-pixels in the first display region and the second display region, a width-to-length ratio of a driving transistor in the pixel circuit of a sub-pixel in the second display region is greater than a width-to-length ratio of a driving transistor in the pixel circuit of a sub-pixel in the first display region.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: April 25, 2023
    Assignees: WUHAN TIANMA MICRO ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Yu Xin, Kang Yang, Lijing Han, Xian Chen
  • Patent number: 11522152
    Abstract: A display panel, a method for fabricating a display panel and a display apparatus are provided. The display panel includes a substrate; a plurality of discrete first electrodes, a pixel define layer, a metal connection layer disposed on a side of the pixel define layer facing away from the substrate, wherein an orthographic projection of the metal connection layer on the substrate at least surrounds half of each opening of the plurality of openings; an organic light-emitting layer, and at least one second electrode, disposed on a side of the organic light-emitting layer and the pixel define layer facing away from the substrate. An orthographic projection of the at least one second electrode on the substrate covers an orthographic projection of the pixel define layer and the plurality of first electrodes on the substrate and the at least one second electrode is electrically connected to the metal connection layer.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: December 6, 2022
    Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Yu Xin, Lijing Han, Xian Chen
  • Patent number: 11481078
    Abstract: A display panel and a display device are provided. The display panel includes first and second touch electrodes. The first touch electrode includes first touch sub-electrodes arranged along a first direction, an island electrode located between two adjacent first touch sub-electrodes, and a first connection portion. The island electrode and the first touch sub-electrodes are provided in a same layer. A first gap is formed between the island electrode and the first touch sub-electrode. The first connection portion connects the first touch sub-electrode and its adjacent island electrode. The first connection portion and the first touch sub-electrode are provided in different layers. The second touch electrode includes at least two second touch sub-electrodes provided along a second direction intersecting with the first direction, and a second connection portion connecting two adjacent second touch sub-electrodes. The second connection portion and the second touch sub-electrode are provided in different layers.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: October 25, 2022
    Assignee: WUHAN TIANMA MICROELECTRONICS CO., LTD.
    Inventors: Yu Xin, Lijing Han, Qingxia Wang
  • Patent number: 11460942
    Abstract: Provided are a display panel and a display apparatus. A display layer includes pixel columns arranged along a first direction, and the pixel column includes subpixels arranged along a second direction. A first touch unit in a touch layer includes a bridge and first touch electrodes. An acute angle is formed between an extending direction of the bridge and the second direction. N subpixels are sequentially arranged along a preset direction, along which first and second edges of each subpixel are oppositely disposed. D2?L?D1. L denotes a length of each of the at least one bridge. An orthographic projection of the bridge on a plane of the substrate overlaps M subpixels. 0?M<(N?2).
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: October 4, 2022
    Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Yu Xin, Lijing Han
  • Patent number: 11460619
    Abstract: A polarizer, a display panel and a display device including the polarizer are provided. The polarizer includes: a first polarizing layer, a first protective film and a first pressure-sensitive adhesive layer. The first polarizing layer includes a first hollow portion and a first polarizing portion surrounding the first hollow portion. The first protective film covers the first hollow portion and the first polarizing portion. The first pressure-sensitive adhesive layer is located at a side of the first polarizing layer facing away from the first protective film. With the display panel and the display device including the polarizer, since the first hollow portion is disposed in the first polarizing portion, an image collecting device such as a camera can be disposed in the polarizing region, thereby improving utilization of the surface area of the polarizer provided by the embodiments of the disclosure, and increasing the screen-to-body ratio.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: October 4, 2022
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xian Chen, Lijing Han
  • Patent number: 11442566
    Abstract: A display panel and a display device are provided. The display panel includes a touch unit. The touch unit includes first detection electrode groups arranged along a first direction, second detection electrode groups arranged along a second direction, and bridges including a first bridge. The first direction intersects the second direction. Each of the plurality of first detection electrode groups includes a first detection electrode sub-block and a second detection electrode sub-block that are adjacent to each other along the first direction. The first detection electrode sub-block includes a first main portion, and the second detection electrode sub-block includes a second main portion and a first branching portion. The first branching portion extends toward the first main portion, and the first bridge is configured to electrically connect the first branching portion and the first main portion.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: September 13, 2022
    Assignees: WUHAN TIANMA MICRO ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Zuhua Li, Lijing Han
  • Publication number: 20220285654
    Abstract: Provided are a display panel and a display apparatus. A display region of the display panel includes a first display region and a second display region. The display panel includes a substrate, and microstructures and optical auxiliary structures that are located on one side of the substrate. The first display region is provided with at least one microstructure. The first display region includes a light-emitting device layer. The light-emitting device layer and the microstructure are located on the same side of the substrate. The light-emitting device layer includes a first electrode layer, a light-emitting layer, and a second electrode layer. The second electrode layer is located on a side of the first electrode layer that is away from the substrate, and the microstructure is located on a side of the second electrode layer that is close to the substrate.
    Type: Application
    Filed: May 25, 2022
    Publication date: September 8, 2022
    Applicants: WUHAN TIANMA MICROELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Huiping Chai, Jiamin Guo, Lijing Han
  • Publication number: 20220255037
    Abstract: A display panel with a display region and a non-display region includes a base substrate; a device layer, disposed on one side of the base substrate, covering the display region, and including a cathode layer; and an encapsulation part, arranged around the device layer in the non-display region and including a metal pad layer surrounding the cathode layer. The metal pad layer and the cathode layer are separated by a gap. The cathode layer has a first irregularly-shaped edge, including first deformed portions and second deformed portions that are alternately distributed. Each first deformed portion extends convexly in a direction toward the metal pad layer, and each second deformed portion extends concavely in a direction away from the metal pad layer. In an extending direction of the first irregularly-shaped edge, a length of the first deformed portion is less than or equal to a length of the second deformed portion.
    Type: Application
    Filed: April 19, 2021
    Publication date: August 11, 2022
    Inventors: Yu XIN, Lijing HAN, Bing HAN, Zuhua LI
  • Patent number: 11404678
    Abstract: The present disclosure provides a display panel, a mask, a method for manufacturing a display panel, and a display device. The display panel has a hollow region and a display region surrounding the hollow region. The display panel includes a plurality of light-emitting devices arranged in the display region. The plurality of light-emitting devices includes a common layer, and no common layer is formed in the hollow region. The common layer includes at least one first common portion and at least one second common portion that are disposed in a same layer. The common layer further includes at least one uneven layer disposed between the at least one first common portion and the at least one second common portion.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: August 2, 2022
    Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Yu Xin, Lijing Han, Yuan Li
  • Publication number: 20210408196
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes pixel circuits arranged in a matrix, and a blocking unit. Each pixel circuit includes: a driving transistor; a first switch transistor; a second switch transistor; and a third switch transistor. The blocking unit is configured to receive a fixed potential signal, and at least a partial area of the blocking unit is located between a first semiconductor connection portion and a second semiconductor connection portion, the first semiconductor connection portion is connected between a second electrode of the first switch transistor and a gate electrode of the driving transistor, and the second semiconductor connection portion is electrically connected between a first electrode of the second switch transistor and a data line.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Inventors: Lijing HAN, Xian CHEN, Yu XIN
  • Publication number: 20210399023
    Abstract: An array substrate, a display panel, and a display apparatus are provided. The array substrate includes a substrate and a first thin-film transistor located on the substrate. In an embodiment, the first thin-film transistor includes a channel and a gate electrode. In an embodiment, an orthographic projection of the gate electrode on the substrate overlaps with an orthographic projection of the channel on the substrate. In an embodiment, the gate electrode comprises a first zone and a second zone that are arranged in a first direction. In an embodiment, the channel overlapping with the first zone in a direction perpendicular to the substrate has a total width W1 in a second direction perpendicular to the first direction, the channel overlapping with the second zone in a direction perpendicular to the substrate has a total width W2 in the second direction, and W1/W2?3.
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Huiping CHAI, Lijing HAN, Guobing WANG
  • Publication number: 20210382584
    Abstract: A display panel and a display device are provided. The display panel includes first and second touch electrodes. The first touch electrode includes first touch sub-electrodes arranged along a first direction, an island electrode located between two adjacent first touch sub-electrodes, and a first connection portion. The island electrode and the first touch sub-electrodes are provided in a same layer. A first gap is formed between the island electrode and the first touch sub-electrode. The first connection portion connects the first touch sub-electrode and its adjacent island electrode. The first connection portion and the first touch sub-electrode are provided in different layers. The second touch electrode includes at least two second touch sub-electrodes provided along a second direction intersecting with the first direction, and a second connection portion connecting two adjacent second touch sub-electrodes. The second connection portion and the second touch sub-electrode are provided in different layers.
    Type: Application
    Filed: August 19, 2021
    Publication date: December 9, 2021
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yu XIN, Lijing HAN, Qingxia WANG