Patents by Inventor Yangzhao Ma

Yangzhao Ma 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: 20240138220
    Abstract: A display panel and a display apparatus are provided. The display panel includes pixel circuits, light-emitting device electrically connected to the pixel circuits, signal lines electrically connected to the pixel circuits and including signal transmitting lines each extending along a first direction, and a first connection portion located in a circuit region and each extending along a second direction. At least one pixel circuit group is disposed in the circuit region, each pixel circuit group includes at least two pixel circuits of the pixel circuits, and the at least two pixel circuits are arranged along the second direction intersecting the first direction. The at least two pixel circuits in one of the at least one pixel circuit group are electrically connected to one of the signal transmitting lines through the first connection portion.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 25, 2024
    Applicant: WuHan TianMa Micro-electronics CO., LTD.
    Inventors: Yangzhao MA, Meihong WANG, Hao DAI, Pengcheng MU, Lida LI
  • Publication number: 20240114737
    Abstract: A display panel includes data lines and a first wiring layer in a display region, and a cover layer located at a side of the first wiring layer facing toward a light-exiting direction of the display panel. The first wiring layer includes data connection lines and wiring segments. The data connection line is connected to a data lines and transmits a data voltage provided in the pad region to the data line. One wiring segment is spaced apart from the data connection line by a first breaking. The cover layer includes first cover portions and second cover portions. Along a direction perpendicular to a plane of the display panel, the first cover portions overlap the first breakings, and the second cover portions overlap the data connection lines and the wiring segments. The first cover portion has a thickness smaller than a thickness of the second cover portion.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qin YUE, Yangzhao MA
  • Publication number: 20240099098
    Abstract: A display panel and a display device are provided. The display panel includes a first display region, a first optical component region, and a second optical component region. The first optical component region and the second optical component region are arranged along a first direction. The first display region at least partially surrounds the first optical component region and the second optical component region. The first display region includes first signal lines extending along the first direction. Each of some first signal lines includes a first line segment and a second line segment. The first line segment and the second line segment are electrically connected through a first connection line; and at least a portion of line segments of the first connection line is arranged in layers different from the first line segment and the second line segment.
    Type: Application
    Filed: February 17, 2023
    Publication date: March 21, 2024
    Inventors: Yangzhao MA, Hao DAI
  • Patent number: 11929450
    Abstract: An electroluminescent display panel and a display device are provided. In the embodiments of the disclosure, a photosensitive component is arranged in the photosensitive component arranging region. The extending line of at least one line is arranged in the photosensitive component arranging region so that the orthographic projection of the extending line on the light-emitting surface of the electroluminescent display panel overlaps with the first pixels in the first and second specific pixel groups in the photosensitive component arranging area; the first and second specific pixel groups include respective first pixels located in first straight lines of the second pixels correspondingly connected to two adjacent signal lines, the first and second specific pixel groups are adjacent in the second direction, and the first straight lines extend in the first direction.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: March 12, 2024
    Assignee: WuHan TianMa Micro-Electronics Co., Ltd.
    Inventors: Yangzhao Ma, Yuejun Tang, Ruiyuan Zhou
  • Publication number: 20240081107
    Abstract: The present application discloses a display panel and a display apparatus. The display panel includes: a functional device area; a display area surrounding the functional device area; a plurality of data lines arranged in a first direction and extending in a second direction, wherein the first direction and the second direction intersect with each other, the data lines comprise first-type data lines, and each first-type data line is divided into a first data segment and a second data segment by the functional device area; and data connection lines, wherein each data connection line is to electrically connect a first data segment and a corresponding second data segment, wherein at least one of the data connection lines is arranged in the display area.
    Type: Application
    Filed: October 31, 2022
    Publication date: March 7, 2024
    Applicant: Wuhan Tianma Microelectronics Co., Ltd
    Inventors: Yangzhao MA, Hao Dal
  • Publication number: 20240080973
    Abstract: A display panel and a display apparatus are provided in the present disclosure. The display panel includes a display region, a functional device configuration region, and a plurality of data lines which extends along a first direction. A second data line of the plurality of data lines includes a first sub-data-line and a second sub-data-line; and along the first direction, the first sub-data-line and the second sub-data-line in a same second data line are respectively arranged on two sides of the functional device configuration region. The display panel further includes first-wirings extending along the first direction and second-wirings extending along a second direction. One end of the second-wiring is electrically connected to the first-wiring, and another end of the second-wiring is electrically connected to a first data line of the first data lines; and the second-wirings include first sub-second-wirings and second sub-second-wirings.
    Type: Application
    Filed: December 6, 2022
    Publication date: March 7, 2024
    Inventors: Yangzhao MA, Hao DAI
  • Publication number: 20240062720
    Abstract: Provided are a display panel and a display device. The display panel includes a display area and pixel circuits. The display area includes a first display area and a second display area. The first display area is used as an optical element reservation area. The pixel circuits include a first pixel circuit and a second pixel circuit. The first display area includes minimum repeating units. One of the minimum repeating units includes first light-emitting elements of at least three different colors. Multiple first light-emitting elements include a light-emitting element of a first color, a light-emitting element of a second color, and a light-emitting element of a third color. The first pixel circuit is configured to drive first light-emitting elements to emit light. In at least one minimum repeating unit, at least two first light-emitting elements of at least one same color are electrically connected to a same first pixel circuit.
    Type: Application
    Filed: June 29, 2021
    Publication date: February 22, 2024
    Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Yangzhao MA, Hao DAI
  • Patent number: 11882743
    Abstract: A display panel and a display apparatus are provided. The display panel includes pixel circuits in a display region, a light-emitting device, and signal lines. The pixel circuits are electrically connected to the light-emitting devices, and the signal lines are electrically connected to the pixel circuits. The signal lines include constant voltage signal lines extending in a first direction and connected to a constant voltage terminal. The display region includes a first display region and a second display region. The constant voltage signal lines include first constant voltage signal lines located in the first display region and second constant voltage signal lines located in the second display region. A distance between two adjacent first constant voltage signal lines in the first display region is D1, and a distance between two adjacent second constant voltage signal lines in the second display region is D2, where D1?D2.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: January 23, 2024
    Assignee: WuHan TianMa Micro-electronics CO., LTD.
    Inventors: Yangzhao Ma, Meihong Wang, Hao Dai, Pengcheng Mu, Lida Li
  • Patent number: 11871629
    Abstract: Provided are an organic light-emitting display panel and a display device. The organic light-emitting display panel includes: a plurality of organic light-emitting units, a first display area and a second display area. The plurality of organic light-emitting units includes first organic light-emitting units in the first display area and second organic light-emitting units in the second display area. The first organic light-emitting units share a first cathode. The second organic light-emitting units include at least one organic light-emitting unit group, each of the at least one organic light-emitting unit group includes at least one organic light-emitting unit. The at least one organic light-emitting unit in a same organic light-emitting unit group shares a second cathode. The second cathode has a zigzag edge segment.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: January 9, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Ruili Cui, Yangzhao Ma, Jiazhu Zhu, Yongzhi Wang, Shanfu Yuan, Yingjie Chen, Tao Peng, Ruiyuan Zhou
  • Patent number: 11844263
    Abstract: A display panel is provided in the present disclosure. The display panel includes a first display region and a second display region, and a first substrate including a first base substrate. The first display region includes: a plurality of organic light-emitting elements on the first base substrate, a first sub-display region and a second sub-display region. The first sub-display region includes a plurality of first sub-light-transmitting holes. The plurality of first sub-light-transmitting holes do not overlap the plurality of organic light-emitting elements along a direction perpendicular to a plane of the first base substrate, and the plurality of first sub-light-transmitting holes are non-rectangular. The second sub-display region includes a plurality of second sub-light-transmitting holes.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: December 12, 2023
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yujiao Liang, Yangzhao Ma
  • Patent number: 11837160
    Abstract: Provided are a display panel and a driving method thereof, an array substrate, a display panel, and a display device. The pixel circuit includes a drive circuit, a first initialization circuit, a data write circuit, and a threshold compensation circuit. The control terminal of the drive circuit is electrically connected to a first node. A first terminal of the drive circuit is electrically connected to a second node, and a second terminal of the drive circuit is electrically connected to a third node. A first terminal of the first initialization circuit is electrically connected to a first reference signal terminal, and a second terminal of the first initialization circuit is electrically connected to the third node. The control terminal of the data write circuit is electrically connected to a scanning signal terminal.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: December 5, 2023
    Assignee: Wuhan Tianma Microelectronics Co., Ltd.
    Inventors: Wei Huang, Qinyuan Zhang, Yangzhao Ma
  • Publication number: 20230354661
    Abstract: A display panel includes a first display region, a second display region, a third display region, a plurality of first pixel circuits, a plurality of second pixel circuits, a plurality of third pixel circuits, a plurality of first data lines, and a plurality of second data lines. The second display region at least partially surrounds the first display region, the third display region at least partially surrounds the second display region and the first display region, and a light transmittance of the first display region is greater than a light transmittance of the third display region. The plurality of first pixel circuits and the plurality of second pixel circuits are in the second display region, and the plurality of third pixel circuits is in the third display region. The plurality of first data lines are connected to the plurality of first pixel circuits and the plurality of third pixel circuits.
    Type: Application
    Filed: July 6, 2023
    Publication date: November 2, 2023
    Inventors: Xingxing YANG, Yangzhao MA, Zhiqiang XIA
  • Patent number: 11798468
    Abstract: A display panel and a display apparatus are provided. The display panel has a conventional display region and a function display region for arranging an optical function element, and includes first pixel circuits and first fixed potential lines that are located in the conventional display region and electrically connected to the first pixel circuits, and further includes second pixel circuits and second fixed potential lines that are located in the function display region and are electrically connected to the second pixel circuits. A distance between two adjacent first fixed potential lines of the first fixed potential lines is greater than a distance between two adjacent second fixed potential lines of the second fixed potential lines.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: October 24, 2023
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Zhaokeng Cao, Gaojun Huang, Zhongjie Zhang, Chunmei Gao, Yangzhao Ma
  • Patent number: 11782189
    Abstract: The present disclosure provides a display panel and a display device including the display panel. The display panel has a display region including a first display region and a second display region, and the first display region has a smaller sub-pixel density than the second display region. Light-shielding structures are arranged in the first display region, and one light-shielding structure overlaps a light-emitting region of at least one first sub-pixel. The light-shielding structure group constituted by the light-shielding structures includes main and auxiliary light-shielding structures having the same shape. When viewed from the top at the same viewing angle, the auxiliary light-shielding structure is equivalent to a structure obtained by rotating the main light-shielding structure by a certain angle in a plane where the main light-shielding structure is located. With this design, a light diffraction phenomenon is alleviated and the imaging quality of the under-screen optical device is improved.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: October 10, 2023
    Assignee: WuHan TianMa Micro-electronics CO., LTD.
    Inventors: Zhiwei He, Yangzhao Ma, Zhiqiang Xia, Ruiyuan Zhou
  • Patent number: 11737325
    Abstract: A display panel includes a first display region, a second display region partially surrounding the first display region, and a third display region partially surrounding the first and second display regions. The first display region has a larger light transmittance than the third display region, and the first display region includes an effective light-transmission region and a wiring region located on at least one side of the effective light-transmission region. The display panel includes first and second pixel circuits in the second display region; third pixel circuits in the third display region; first data lines, connected to the first and third pixel circuits; and second data lines, connected to the second and third pixel circuits. Each first data line includes a first sub-data line in the wiring region, a second sub-data line in the second display region, and a third sub-data line in the third display region.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: August 22, 2023
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xingxing Yang, Yangzhao Ma, Zhiqiang Xia
  • Patent number: 11699389
    Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a plurality of pixels, including first pixels and second pixels, where each of the first pixels includes a first light-emitting element connected with a first pixel circuit; the first pixel circuit includes a first drive transistor; each of the second pixels includes a second light-emitting element connected with a second pixel circuit; and the second pixel circuit includes a second drive transistor. The display panel further includes a display region, including an optical component region and a first display region, where the first light-emitting element is in the optical component region; the second light-emitting element is in the first display region.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: July 11, 2023
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Fengyun Wu, Yawei Wang, Dongxu Xiang, Yangzhao Ma
  • Patent number: 11688828
    Abstract: A display panel and a display device. The display panel includes a display area.
    Type: Grant
    Filed: April 25, 2021
    Date of Patent: June 27, 2023
    Assignee: WuHan TianMa Micro-Electronics Co., Ltd.
    Inventors: Yangzhao Ma, Ruiyuan Zhou, Yingjie Chen
  • Patent number: 11690250
    Abstract: A display panel includes a display region and a non-display region. The display region includes a first display region and at least one second display region. The first display region at least partially surrounds the at least one second display region. Each second display region of the at least one second display region includes at least two photosensitive device setting regions and a spacing region disposed between the at least two adjacent photosensitive device setting regions. The display region is provided with a plurality of sub-pixels and pixel driving circuits electrically connected to the plurality of sub-pixels. The pixel driving circuits corresponding to the plurality of sub-pixels in the spacing region are electrically connected to the pixel driving circuits located in the first display region through signal lead wires. The signal lead wires are arranged on both sides of sub-pixel rows along a first direction.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: June 27, 2023
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Min Cai, Zhiqiang Xia, Yangzhao Ma
  • Patent number: 11659741
    Abstract: A display panel and a display device are provided. A display area of the display panel includes an optical component area and a regular display area, and the optical component area and the regular display area both include light-emitting devices, so that the area of the display area becomes larger to meet the trend of full screen display. In the optical component area, a transparent conductive layer includes paired first and second etching slots, a connection wire arranged between the paired first and second etching slots, and an auxiliary layer arranged outside the paired first and second etching slots.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: May 23, 2023
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yangzhao Ma, Zhiqiang Xia
  • Publication number: 20230146078
    Abstract: Provided are a display panel and a driving method thereof, an array substrate, a display panel, and a display device. The pixel circuit includes a drive circuit, a first initialization circuit, a data write circuit, and a threshold compensation circuit. The control terminal of the drive circuit is electrically connected to a first node. A first terminal of the drive circuit is electrically connected to a second node, and a second terminal of the drive circuit is electrically connected to a third node. A first terminal of the first initialization circuit is electrically connected to a first reference signal terminal, and a second terminal of the first initialization circuit is electrically connected to the third node. The control terminal of the data write circuit is electrically connected to a scanning signal terminal.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 11, 2023
    Applicant: Wuhan Tianma Microelectronics Co., Ltd.
    Inventors: Wei HUANG, Qinyuan ZHANG, Yangzhao MA