Patents by Inventor Huiping Chai

Huiping Chai 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: 20250221043
    Abstract: A display panel and a display device are provided. The display panel includes a pixel driving circuit including a plurality of transistors, a base substrate, and a light-shielding layer disposed on a side of the base substrate. The light-shielding layer includes a light-shielding block and a first signal line, and in a direction perpendicular to a plane of the base substrate, an active area of at least one transistor of the plurality of transistors overlaps with the light-shielding block. The display panel also includes a reference power signal line. The first signal line and the reference power signal line are electrically connected, extension directions of the first signal line and the reference power signal line are consistent, and in the direction perpendicular to the plane of the base substrate, the first signal line overlaps with the reference power signal line.
    Type: Application
    Filed: July 24, 2024
    Publication date: July 3, 2025
    Inventors: Huiping CHAI, Gaojun HUANG
  • Publication number: 20250221042
    Abstract: A display panel and a display device are provided. The display panel includes a substrate plate; light-emitting elements and pixel driving circuits electrically connected to the light-emitting elements; first power signal lines electrically connected to the pixel driving circuits; and second power signal lines. The second power signal lines and the first power signal lines are located in a first conductor layer and have substantially same line shapes.
    Type: Application
    Filed: May 28, 2024
    Publication date: July 3, 2025
    Inventors: Huiping CHAI, Lin ZHANG
  • Publication number: 20250008825
    Abstract: A display panel and a display device are provided. The display panel includes a substrate, and a display layer and a black matrix layer arranged sequentially on a same side of the substrate. The display layer includes a pixel definition layer defining a plurality of pixel openings. In a first direction, the plurality of pixel openings pass through the pixel definition layer and the first direction is perpendicular to a plane where the substrate is located. The black matrix layer includes a matrix opening that overlaps with a pixel opening in the first direction and a light-shielding member that does not overlap with the pixel opening in the first direction. The light-shielding member includes an openwork opening; and the matrix opening and the openwork opening are both located in a display area of the display panel.
    Type: Application
    Filed: January 17, 2024
    Publication date: January 2, 2025
    Inventor: Huiping CHAI
  • Publication number: 20240365592
    Abstract: A display module and a display device are provided. The display module includes array layers and light-emitting devices. One light-emitting device is located on a side of one corresponding array layer facing a light-emitting surface of the display module, and includes a source-drain metal layer which includes a first metal component and a second metal component. The light-emitting device includes an anode layer which includes a first-type anode unit disposed correspondingly to the first metal component and a second-type anode unit disposed correspondingly to the second metal component. The second-type anode unit includes a first body portion and a first sub-extension unit connected to each other. Along a thickness direction of the display module, the first metal component at least partially overlaps the first-type anode unit, and the second metal component at least partially overlaps the first sub-extension unit while does not overlap the first body portion.
    Type: Application
    Filed: July 27, 2023
    Publication date: October 31, 2024
    Inventor: Huiping CHAI
  • Publication number: 20240341128
    Abstract: A display panel and a display device are provided. The display panel includes a substrate, a pixel definition layer and multiple pixels. The pixel definition layer is arranged on a side of the substrate. The pixel definition layer includes a pixel limiting part and a pixel opening defined by the pixel limiting part. The pixel includes a first electrode and a light emitting structure at least partially arranged in the pixel opening. The pixel opening at least partially exposes at least the first electrode. An orthographic projection of the pixel opening on the substrate is a first shape at least partially includes a curved edge. The light emitting structure is formed in the pixel opening by evaporation, printing, or the like, after the pixel definition layer. Therefore, the light emitting structure is relatively round and then less dispersion results.
    Type: Application
    Filed: June 19, 2024
    Publication date: October 10, 2024
    Applicants: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventor: Huiping CHAI
  • Patent number: 12029062
    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: Grant
    Filed: March 18, 2022
    Date of Patent: July 2, 2024
    Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma MicroElectronics Co., Ltd. Shanghai Branch
    Inventors: Huiping Chai, Baoyan Chai, Lijing Han, Yuantao Wu
  • Publication number: 20240196680
    Abstract: Provided are an array substrate, a display panel, and a display apparatus. The array substrate includes a display region, a substrate, pixel driving circuits, and scanning signal lines. The display region includes a plurality of pixel regions. At least part of a pixel driving circuit and at least part of a scanning signal line are located in the display region and on the same side of the substrate. The scanning signal line extends in a first direction. At least part of the pixel driving circuit is located in a pixel region and includes thin-film transistors. A thin-film transistor includes a gate and a channel layer. The gate is a portion where the scanning signal line overlaps the channel layer. The array substrate further includes auxiliary signal lines. An auxiliary signal line is located in the display region and extends in the first direction.
    Type: Application
    Filed: February 21, 2024
    Publication date: June 13, 2024
    Applicants: Wuhan Tianma Microelectronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Huiping CHAI, Lin ZHANG, Gaojun HUANG
  • Publication number: 20240164162
    Abstract: Provided are a display panel and a display apparatus. The display panel includes a substrate, gating lines and pixels. The gating lines extend in a first direction. Each pixel includes a pixel circuit including a functional transistor. The functional transistor includes a patterned conductive structure. A gate of the functional transistor is located in the conductive structure. The conductive structure is electrically connected to the gating line through a via. A sheet resistance of a layer where the gating line is located is lower than a sheet resistance of a layer where the conductive structure is located.
    Type: Application
    Filed: January 24, 2024
    Publication date: May 16, 2024
    Applicants: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Huiping CHAI, Gaojun HUANG, Lin ZHANG
  • Publication number: 20240040871
    Abstract: A display panel and a display device are provided in the disclosure. A display region of the display panel includes light-emitting elements and pixel circuits. Power signal lines are data signal lines in the display region are electrically connected to the pixel circuits. Part of power signal lines include a first power wiring section including a first power boundary. Part of the data signal lines include a first data wiring section including a first data boundary and a second data wiring section including a second data boundary. In a thickness direction, a pixel electrode overlaps the first power boundary, overlaps the first data boundary, and does not overlap the second data boundary. The minimum distance between the first power boundary and the first data boundary overlapping the same pixel electrode is smaller than the minimum distance between a first virtual boundary and the first power boundary.
    Type: Application
    Filed: October 11, 2023
    Publication date: February 1, 2024
    Applicants: Wuhan Tianma Microelectronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventor: Huiping CHAI
  • Publication number: 20230422570
    Abstract: Display panel and display device are provided. The display panel includes a plurality of pixel units disposed along a first direction and a second direction. A pixel unit of the plurality of pixel units includes at least three subpixels with different colors. In a same pixel unit, at least two of the subpixels are disposed along a first direction. Along a second direction, at least one of the subpixels is on a side of the two subpixels disposed along the first direction. The first direction intersects the second direction. In two pixel units that are at least partially adjacent, a subpixel in one of the two pixel units is adjacent to a subpixel in the other one of the two pixel units. Colors of the two adjacent subpixels are same.
    Type: Application
    Filed: October 10, 2022
    Publication date: December 28, 2023
    Inventors: Yu XIN, Huiping CHAI, Bing 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: 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
  • 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: 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
  • Patent number: 11164501
    Abstract: Provided are a display panel and a display device. The display panel is configured such that a first luminous intensity of a first sub-pixel is greater than a second luminous intensity of a second sub-pixel at a same driving current. A light blocking structure includes a grid-shaped grid line, the shortest distance between a first orthographic projection of a first sub-pixel onto a substrate and a third orthographic projection of the grid line onto the substrate is D1H along the row direction of an array, the shortest distance between a second orthographic projection of a second sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D2H along the row direction of the array, where D1H<D2H.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: November 2, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Huiping Chai, Lijing Han
  • Patent number: 10971556
    Abstract: An organic light-emitting display panel includes: pixel rows arranged sequentially along a first direction and high voltage signal lines extending along the first direction. Each pixel row includes pixel sets arranged along a second direction which intersects the first direction. Each pixel set includes first and second pixels arranged along the second direction. The first pixel includes first to third sub-pixels emitting different colors. The second pixel includes fourth to sixth sub-pixels emitting different colors. Each sub-pixel includes a pixel driving circuit and an organic light-emitting diode. The high voltage signal lines are electrically connected to the sub-pixels, so as to provide voltage signals to anodes of the organic light-emitting diodes for driving the sub-pixels to emit light. For the same pixel set, the third and fourth sub-pixels have the same color, and are electrically connected to the same third high voltage signal line.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 6, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yueting Fang, Yue Li, Huiping Chai, Lijing Han
  • Publication number: 20210097919
    Abstract: Provided are a display panel and a display device. The display panel is configured such that a first luminous intensity of a first sub-pixel is greater than a second luminous intensity of a second sub-pixel at a same driving current. A light blocking structure includes a grid-shaped grid line, the shortest distance between a first orthographic projection of a first sub-pixel onto a substrate and a third orthographic projection of the grid line onto the substrate is D1H along the row direction of an array, the shortest distance between a second orthographic projection of a second sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D2H along the row direction of the array, where D1H<D2H.
    Type: Application
    Filed: December 30, 2019
    Publication date: April 1, 2021
    Inventors: Huiping Chai, Lijing Han
  • Patent number: 10852889
    Abstract: Provided are display panel, mobile terminal and a driving method for reducing the width of the border and increasing the touch sensitivity of the special-shaped area. The display panel is divided into a display area and a non-display area, the display area includes a first area and a second area, the first area is a convex area extending from a side of the second area and protruding away from the side of the second area; the display panel includes first touch electrodes placed in the first area and second touch electrodes placed in the second area, the first touch electrode is one of an self-capacitance touch electrode and an mutual capacitive touch electrode while the second touch electrode is the other one of the self-capacitance touch electrode and the mutual capacitive touch electrode. The display panel above is suitable for the mobile terminal.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: December 1, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Hong Ding, Lingxiao Du, Huiping Chai, Kang Yang, Liang Xie, Qing Zhang
  • Patent number: 10756142
    Abstract: Provided is a display panel and display device. The display panel includes a first non-display area, a first display area, a second display area and a third display area. The first display area at least partially surrounds the first non-display area, the first display area and the second display area are arranged in a first direction, the third display area is arranged with the first and second display areas in a second direction. The first display area includes first sub-pixels arranged in array, the second display area includes second sub-pixels arranged in array, and the third display area includes third sub-pixels arranged in array. Each first sub-pixel, each second sub-pixel and each third sub-pixel have a same size in the first direction; each first sub-pixel and each second sub-pixel have a same size in the second direction and each second sub-pixel has the size greater than each third sub-pixel in the second direction.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: August 25, 2020
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Huiping Chai, Lijing Han
  • Patent number: 10691913
    Abstract: A display panel and a display apparatus are provided. The display panel comprises an array substrate, a plurality of light emitting units disposed on the array substrate, each having a plurality of sub-light emitting units, and a plurality of fingerprint recognition units, configured to recognize fingerprints based on light reflected by a touch object to the fingerprint recognition units. Each fingerprint recognition unit is configured in coordination with at least one sub-light emitting unit. An orthogonal projection of each fingerprint recognition unit on the array substrate and an orthogonal projection of a corresponding sub-light emitting structure on the array substrate overlap with each other.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: June 23, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Huiping Chai, Yang Zeng, Kang Yang, Hong Ding, Lihua Wang, Lingxiao Du, Liang Xie, Qing Zhang