Patents by Inventor Zhuan GAO

Zhuan GAO 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).

  • Patent number: 11957011
    Abstract: A display panel and a display device are provided. The display panel includes a display region including a first region and a second region and a frame region. The display panel also includes a frame adhesive located in the second region, and a padding metal located in the second region. Along a direction perpendicular to a plane where the display panel is located, the padding metal at least partially overlaps the frame adhesive. In addition, the display panel includes a cathode signal line located in the first region. Moreover, the display panel includes a cathode layer located in the display region and connected to the cathode signal line. Further, the display panel includes at least one connecting part connected to the padding metal. The connecting part is located on a side of the padding metal adjacent to the first region, and is connected to the cathode signal line.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: April 9, 2024
    Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Zhuan Gao, Xinzhao Liu
  • Publication number: 20230141363
    Abstract: Display panel and display device are provided. The display panel includes a display area and a non-display area surrounding the display area. The display area includes a plurality of scan lines extending in a first direction and a plurality of data lines extending in a second direction, the first direction intersects the second direction. The non-display area includes a bonding area. The bonding area includes a plurality of pads arranged in a third direction. A direction perpendicular to the third direction is a fourth direction. An angle formed by the second direction and the fourth direction is ?, and 0°<?<90°.
    Type: Application
    Filed: January 28, 2022
    Publication date: May 11, 2023
    Inventors: Yue LI, Xingyao ZHOU, Zhuan GAO, Qingxia WANG, Yuantao WU
  • Patent number: 11502159
    Abstract: Provided are a touch display panel and a display device. The touch display panel includes a first substrate and a second substrate disposed opposite to the first substrate. In a non-display area, multiple first conductive structures and multiple metal wires are configured on one side of the first substrate facing to the second substrate, and multiple second conductive structures are configured on one side of the second substrate facing to the first substrate. Each first conductive structure is electrically connected to a respective second conductive structure. Each first conductive structure includes a first transmit electrode and a first gasket structure that is disposed between the first transmit electrode and the first substrate. The first transmit electrode is electrically connected to a metal wire and the respective one second conductive structure. The first gasket structure includes multiple first recessed portions.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: November 15, 2022
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhuan Gao, Xinzhao Liu
  • Patent number: 11448927
    Abstract: Display device and fabrication method are provided. The display device includes a first substrate and a flexible circuit board. The first substrate includes a step region, first alignment marks, and a base substrate. The step region includes a bonding region and the bonding region includes a plurality of first pads arranged in at least one row along a first direction. The flexible circuit board is bonded in the bonding region and includes second alignment marks. Orthographic projections of the first alignment marks on a plane of the base substrate do not overlap an orthographic projection of the flexible circuit board on the plane of the base substrate, and do not overlap orthographic projections of the second alignment marks on the plane of the base substrate.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 20, 2022
    Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Zhuan Gao, Xinzhao Liu
  • Patent number: 11398172
    Abstract: A display panel is provided, including a test circuit, a display control switch and a selection circuit. In the test circuit, the test switch has a control terminal connected to the test control line, a first terminal connected to the test signal line, and a second terminal connected to the data line. In the display control circuit, the display switch has a control terminal connected to the display control line, a first terminal connected to the display signal line, and a second terminal connected to the data line. In the selection circuit, the selection switch has a control terminal connected to the selection control line, a first terminal connected to the selection signal terminal, and a second terminal connected to the display control line. The selection signal terminal provides a signal for turning off the display switch when the test switch and the selection switch are turned on.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: July 26, 2022
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Zhuan Gao, Xinzhao Liu, Mengmeng Zhang
  • Publication number: 20220181422
    Abstract: A display panel and a display device are provided. The display panel includes a display region including a first region and a second region and a frame region. The display panel also includes a frame adhesive located in the second region, and a padding metal located in the second region. Along a direction perpendicular to a plane where the display panel is located, the padding metal at least partially overlaps the frame adhesive. In addition, the display panel includes a cathode signal line located in the first region. Moreover, the display panel includes a cathode layer located in the display region and connected to the cathode signal line. Further, the display panel includes at least one connecting part connected to the padding metal. The connecting part is located on a side of the padding metal adjacent to the first region, and is connected to the cathode signal line.
    Type: Application
    Filed: March 30, 2021
    Publication date: June 9, 2022
    Inventors: Zhuan GAO, Xinzhao LIU
  • Publication number: 20220005921
    Abstract: Provided are a touch display panel and a display device. The touch display panel includes a first substrate and a second substrate disposed opposite to the first substrate. In a non-display area, multiple first conductive structures and multiple metal wires are configured on one side of the first substrate facing to the second substrate, and multiple second conductive structures are configured on one side of the second substrate facing to the first substrate. Each first conductive structure is electrically connected to a respective second conductive structure. Each first conductive structure includes a first transmit electrode and a first gasket structure that is disposed between the first transmit electrode and the first substrate. The first transmit electrode is electrically connected to a metal wire and the respective one second conductive structure. The first gasket structure includes multiple first recessed portions.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 6, 2022
    Inventors: Zhuan Gao, Xinzhao Liu
  • Patent number: 11217609
    Abstract: Array substrates, motherboards of array substrates, display panels and method for forming display panels are provided. The array substrate includes sub-pixels, data lines, multiple-channel distribution units, X first switch control lines, test units and N second switch control lines. The first output terminals of the X first switch elements of a same multiple distribution unit are connected to the X data lines of the same data line group. The first control terminals of the X first switch elements of each multiple-channel distribution unit are connected to the X first switch control lines. The second output terminals of the second switch elements in a same test unit are electrically connected to the first input end of the first switch elements in the same multiple-channel distribution unit. The second control terminals of the N second switch elements in each test unit are connected to the N second switch control lines.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: January 4, 2022
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Zhuan Gao, Xinzhao Liu, Mengmeng Zhang, Xingyao Zhou, Yana Gao
  • Patent number: 11152453
    Abstract: Provided are a touch display panel and a display device. The touch display panel includes a first substrate and a second substrate disposed opposite to the first substrate. In a non-display area, multiple first conductive structures and multiple metal wires are configured on one side of the first substrate facing to the second substrate, and multiple second conductive structures are configured on one side of the second substrate facing to the first substrate. Each first conductive structure is electrically connected to a respective second conductive structure. Each first conductive structure includes a first transmit electrode and a first gasket structure that is disposed between the first transmit electrode and the first substrate. The first transmit electrode is electrically connected to a metal wire and the respective one second conductive structure. The first gasket structure includes multiple first recessed portions.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: October 19, 2021
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhuan Gao, Xinzhao Liu
  • Patent number: 11127811
    Abstract: The present disclosure discloses a display panel, a manufacturing method thereof and a display device. By arranging positions of first transmission pads and second transmission pads, and setting areas of first film layers in the first transmission pads to be less than those of second film layers, when the first transmission pads and the second transmission pads are disposed oppositely, fully-opened openings are formed between the two pads, so that it is convenient to fill spaces between the first transmission pads and the second transmission pads with conductive components to allow the first transmission pads be electrically connected with the second transmission pads through the conductive components, guaranteeing an effective electrical connection between the first transmission pads and the second transmission pads and then ensuring signal transmission via first wires and second wires through the first transmission pads and the second transmission pads.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: September 21, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Zhuan Gao, Xinzhao Liu, Kaihong Huang, Lin Cheng, Jiayao Yang, Min Chen, Yingying Wu, Zi Xu, Ciyi Gu, Peng Zhang, Jing Lv
  • Publication number: 20210256888
    Abstract: A display panel is provided, including a test circuit, a display control switch and a selection circuit. In the test circuit, the test switch has a control terminal connected to the test control line, a first terminal connected to the test signal line, and a second terminal connected to the data line. In the display control circuit, the display switch has a control terminal connected to the display control line, a first terminal connected to the display signal line, and a second terminal connected to the data line. In the selection circuit, the selection switch has a control terminal connected to the selection control line, a first terminal connected to the selection signal terminal, and a second terminal connected to the display control line. The selection signal terminal provides a signal for turning off the display switch when the test switch and the selection switch are turned on.
    Type: Application
    Filed: March 29, 2021
    Publication date: August 19, 2021
    Inventors: Zhuan GAO, Xinzhao LIU, Mengmeng ZHANG
  • Publication number: 20210202684
    Abstract: Provided are a touch display panel and a display device. The touch display panel includes a first substrate and a second substrate disposed opposite to the first substrate. In a non-display area, multiple first conductive structures and multiple metal wires are configured on one side of the first substrate facing to the second substrate, and multiple second conductive structures are configured on one side of the second substrate facing to the first substrate. Each first conductive structure is electrically connected to a respective second conductive structure. Each first conductive structure includes a first transmit electrode and a first gasket structure that is disposed between the first transmit electrode and the first substrate. The first transmit electrode is electrically connected to a metal wire and the respective one second conductive structure. The first gasket structure includes multiple first recessed portions.
    Type: Application
    Filed: June 30, 2020
    Publication date: July 1, 2021
    Inventors: Zhuan Gao, Xinzhao Liu
  • Publication number: 20210191183
    Abstract: Display device and fabrication method are provided. The display device includes a first substrate and a flexible circuit board. The first substrate includes a step region, first alignment marks, and a base substrate. The step region includes a bonding region and the bonding region includes a plurality of first pads arranged in at least one row along a first direction. The flexible circuit board is bonded in the bonding region and includes second alignment marks. Orthographic projections of the first alignment marks on a plane of the base substrate do not overlap an orthographic projection of the flexible circuit board on the plane of the base substrate, and do not overlap orthographic projections of the second alignment marks on the plane of the base substrate.
    Type: Application
    Filed: March 24, 2020
    Publication date: June 24, 2021
    Inventors: Zhuan GAO, Xinzhao LIU
  • Patent number: 10734415
    Abstract: Display panel and display device are provided. The display panel includes a display region; a non-display region; and a notch. Data lines are disposed in the display region. An edge of the display panel recesses toward the display region to form the notch. The display region includes a first display region and second display regions. The notch and the first display regions are disposed between two second display regions in the first direction and are adjacent in the second direction. The data lines include first data lines in each of the second display regions separated by the notch. Connection lines are disposed surrounding the at least one notch, and each connection line connects two of the first data lines in a same column and on two sides of the notch At least a portion of the connection lines includes first segments disposed in the first display region.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: August 4, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xinzhao Liu, Kaihong Huang, Min Chen, Lin Cheng, Zhuan Gao, Ciyi Gu, Jing Lv, Haoshen Wang, Qingxia Wang, Xiaoyu Wang, Zi Xu, Jiayao Yang, Qian Zhang, Peng Zhang
  • Publication number: 20200243562
    Abstract: Display panel and display device are provided. The display panel includes a display region; a non-display region; and a notch. Data lines are disposed in the display region. An edge of the display panel recesses toward the display region to form the notch. The display region includes a first display region and second display regions. The notch and the first display regions are disposed between two second display regions in the first direction and are adjacent in the second direction. The data lines include first data lines in each of the second display regions separated by the notch. Connection lines are disposed surrounding the at least one notch, and each connection line connects two of the first data lines in a same column and on two sides of the notch. At least a portion of the connection lines includes first segments disposed in the first display region.
    Type: Application
    Filed: April 25, 2019
    Publication date: July 30, 2020
    Inventors: Xinzhao LIU, Kaihong HUANG, Min CHEN, Lin CHENG, Zhuan GAO, Ciyi GU, Jing LV, Haoshen WANG, Qingxia WANG, Xiaoyu WANG, Zi XU, Jiayao YANG, Qian ZHANG, Peng ZHANG
  • Publication number: 20200135836
    Abstract: The present disclosure discloses a display panel, a manufacturing method thereof and a display device. By arranging positions of first transmission pads and second transmission pads, and setting areas of first film layers in the first transmission pads to be less than those of second film layers, when the first transmission pads and the second transmission pads are disposed oppositely, fully-opened openings are formed between the two pads, so that it is convenient to fill spaces between the first transmission pads and the second transmission pads with conductive components to allow the first transmission pads be electrically connected with the second transmission pads through the conductive components, guaranteeing an effective electrical connection between the first transmission pads and the second transmission pads and then ensuring signal transmission via first wires and second wires through the first transmission pads and the second transmission pads.
    Type: Application
    Filed: December 27, 2019
    Publication date: April 30, 2020
    Inventors: Zhuan GAO, Xinzhao LIU, Kaihong HUANG, Lin CHENG, Jiayao YANG, Min CHEN, Yingying WU, Zi XU, Ciyi GU, Peng ZHANG, Jing LV