Patents by Inventor Houfu Gong

Houfu Gong 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: 12260048
    Abstract: The display device includes a display panel. The display driving method includes: detecting noise from the display panel to obtain an in-panel noise value; sending target uplink information to an active stylus pen based on the in-panel noise value, and receiving target downlink information returned by the active stylus pen under a target pen voltage based on the target uplink information; and the target downlink information including position information; determining a coordinate distance value between position coordinates based on coordinate information of the position coordinates of the position information; and reporting contact information of the active stylus pen generated on the display panel at a target report rate based on the coordinate distance value.
    Type: Grant
    Filed: November 22, 2023
    Date of Patent: March 25, 2025
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Houfu Gong, Zengjian Jin
  • Patent number: 12242693
    Abstract: The present application provides a display device, a driving method thereof, and an active stylus thereof. The display device uses a second time section to transmit display data, uses a first time section and a third time section to transmit uplink signals with a lower anti-interference ability, and simultaneously adjusts a data transmission sequence of the active stylus and uses the third time section to transmit first touch data with a lower anti-interference ability to prevent interference of the display noise with the data of the active stylus and improve a recognition rate of touch data of the active stylus.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: March 4, 2025
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yitong Liu, Houfu Gong, Zengjian Jin
  • Patent number: 12210708
    Abstract: The present application provides a touch panel and a touch device. The touch panel comprises first channels and third channels that extend in a first direction and are arranged side by side. By reducing a distance between the third channel and the adjacent first channel, a touch sensing amount of the third channel is increased, and touch operations have improved accuracy and linearity in an edge area.
    Type: Grant
    Filed: December 4, 2023
    Date of Patent: January 28, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Houfu Gong, Zengjian Jin, Leilei Luo, Yanan Wang, Yalong Ma
  • Patent number: 12197664
    Abstract: Embodiments of the present disclosure provide a display panel and a display device, the display panel forms multiplexing electrodes on a common electrode layer, and the multiplexing electrodes can transmit a common signal and a touch signal, a function of the common electrodes and a touch function are realized, parasitic capacitances between the touch electrodes and the common electrodes are eliminated, and the display effect and the touch effect are improved, and by using the power management chip to connect to the multiplexing electrodes, the signal input to the multiplexing electrode can be realized, and a function of the multiplexing electrodes can be realized.
    Type: Grant
    Filed: September 18, 2021
    Date of Patent: January 14, 2025
    Assignees: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Houfu Gong, Yalong Ma, Zengjian Jin
  • Patent number: 12175049
    Abstract: Provided is a touch panel and a mobile terminal. A touch layer of the touch panel comprises a touch electrode group located in a display area; a touch lead group located at least in a non-display area and electrically connected to the touch electrode group; and an extended electrode group overlapping at least a portion of the touch lead group located in the non-display area. The touch electrode group and the extended electrode group are electrically connected to a target function chip located in the non-display area to achieve a target function.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: December 24, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Houfu Gong
  • Publication number: 20240419284
    Abstract: A touch control screen includes a plurality of sensing units having first sensing electrodes and second sensing electrodes. Each of the first sensing electrodes includes at least one first trunk channel extending along a first direction and a plurality of first branch electrodes electrically connected to the first trunk channel. Each of the second sensing electrodes includes at least one second trunk channel extending along a second direction and a plurality of second branch electrodes electrically connected to the second trunk channel. The second branch electrodes and the first branch electrodes are alternately arranged, so that a sensing signal change amount of the touch control screen tends to change linearly.
    Type: Application
    Filed: October 11, 2021
    Publication date: December 19, 2024
    Inventors: Yalong MA, Zengjian Jin, Houfu GONG
  • Publication number: 20240411407
    Abstract: The display device includes a display panel. The display driving method includes: detecting noise from the display panel to obtain an in-panel noise value; sending target uplink information to an active stylus pen based on the in-panel noise value, and receiving target downlink information returned by the active stylus pen under a target pen voltage based on the target uplink information; and the target downlink information including position information; determining a coordinate distance value between position coordinates based on coordinate information of the position coordinates of the position information; and reporting contact information of the active stylus pen generated on the display panel at a target report rate based on the coordinate distance value.
    Type: Application
    Filed: November 22, 2023
    Publication date: December 12, 2024
    Inventors: Houfu GONG, Zengjian JIN
  • Publication number: 20240184400
    Abstract: The present application provides a display device, a driving method thereof, and an active stylus thereof. The display device uses a second time section to transmit display data, uses a first time section and a third time section to transmit uplink signals with a lower anti-interference ability, and simultaneously adjusts a data transmission sequence of the active stylus and uses the third time section to transmit first touch data with a lower anti-interference ability to prevent interference of the display noise with the data of the active stylus and improve a recognition rate of touch data of the active stylus.
    Type: Application
    Filed: June 7, 2022
    Publication date: June 6, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yitong LIU, Houfu GONG, Zengjian JIN
  • Publication number: 20240111388
    Abstract: The present application provides a touch panel and a touch device. The touch panel comprises first channels and third channels that extend in a first direction and are arranged side by side. By reducing a distance between the third channel and the adjacent first channel, a touch sensing amount of the third channel is increased, and touch operations have improved accuracy and linearity in an edge area.
    Type: Application
    Filed: December 4, 2023
    Publication date: April 4, 2024
    Inventors: Houfu GONG, Zengjian JIN, Leilei LUO, Yanan WANG, Yalong MA
  • Publication number: 20240028146
    Abstract: Embodiments of the present disclosure provide a display panel and a display device, the display panel forms multiplexing electrodes on a common electrode layer, and the multiplexing electrodes can transmit a common signal and a touch signal, a function of the common electrodes and a touch function are realized, parasitic capacitances between the touch electrodes and the common electrodes are eliminated, and the display effect and the touch effect are improved, and by using the power management chip to connect to the multiplexing electrodes, the signal input to the multiplexing electrode can be realized, and a function of the multiplexing electrodes can be realized.
    Type: Application
    Filed: September 18, 2021
    Publication date: January 25, 2024
    Applicants: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Houfu Gong, Yalong Ma, Zengjian Jin
  • Patent number: 11868572
    Abstract: The present application provides a touch panel and a touch device. The touch panel comprises first channels and third channels that extend in a first direction and are arranged side by side. By reducing a distance between the third channel and the adjacent first channel, a touch sensing amount of the third channel is increased, and touch operations have improved accuracy and linearity in an edge area.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: January 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Houfu Gong, Zengjian Jin, Leilei Luo, Yanan Wang, Yalong Ma
  • Patent number: 11871511
    Abstract: Provided are a flexible circuit mother board and a detection method. The flexible circuit mother board includes flexible circuit daughter boards, at least one detection terminal group and external pad groups corresponding to the flexible circuit daughter boards in one-to-one correspondence. Each flexible circuit daughter board has a bonding pad area adjacent to a corresponding one of the plurality of external pad groups. Each detection terminal group detects at least one flexible circuit daughter board, and each of the at least one detection terminal group comprises a plurality of detection terminals. Each flexible circuit daughter board includes a plurality of capacitors including a first electrode plate and a second electrode plate. Each of the first electrode plate and the second electrode plate is electrically connected to one detection terminal.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: January 9, 2024
    Assignee: WuHan TianMa Micro-electronics CO., LTD.
    Inventors: Han Wu, Houfu Gong, Zhenhua Liang, Xiang Huang
  • Publication number: 20230273700
    Abstract: Provided is a touch panel and a mobile terminal. A touch layer of the touch panel comprises a touch electrode group located in a display area; a touch lead group located at least in a non-display area and electrically connected to the touch electrode group; and an extended electrode group overlapping at least a portion of the touch lead group located in the non-display area. The touch electrode group and the extended electrode group are electrically connected to a target function chip located in the non-display area to achieve a target function.
    Type: Application
    Filed: November 8, 2021
    Publication date: August 31, 2023
    Inventor: Houfu GONG
  • Patent number: 11687200
    Abstract: A display panel, a display device and a control method are provided. The display panel includes a display area and a non-display area, a base substrate, and touch electrodes on a side of the base substrate facing a light-exiting surface of the display panel. The display area includes a first display area and a second display area that at least partially surrounds the first display area, the touch electrodes are at least distributed in the display area, the touch electrodes at least include a first touch electrode located in the first display area, the first touch electrode includes at least one first touch electrode unit, and the first touch electrode unit includes at least one hollowed part, along a direction perpendicular to the base substrate, the hollowed part runs through the first touch electrode unit, and the first touch electrode is a self-capacitive touch electrode.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: June 27, 2023
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Houfu Gong, Zhenhua Liang, Han Wu, Zhenyuan Zhang, Jun Li, Zhihua Yu
  • Publication number: 20230185412
    Abstract: The present application provides a touch panel and a touch device. The touch panel comprises first channels and third channels that extend in a first direction and are arranged side by side. By reducing a distance between the third channel and the adjacent first channel, a touch sensing amount of the third channel is increased, and touch operations have improved accuracy and linearity in an edge area.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 15, 2023
    Inventors: Houfu GONG, Zengjian JIN, Leilei LUO, Yanan WANG, Yalong MA
  • Patent number: 11531422
    Abstract: Disclosed are touch display panel, method for driving touch display panel, and display device. The touch display panel includes display region including plurality of touch driver electrodes and plurality of touch sensing electrodes both arranged in array, and non-display region surrounding display region and including touch auxiliary circuit and touch driver circuit. When refresh frequency is first frequency, touch driver circuit configured to provide touch drive signal for each touch driver electrode in touch stage, and receive touch sensing signal returned by each touch sensing electrode to determine touch position according to touch sensing signal. When refresh frequency is the first frequency, touch auxiliary circuit configured to provide first voltage signal for each touch driver electrode in touch stage; and voltage of first voltage signal greater than voltage of touch drive signal. The present disclosure can increase report rate, and satisfy touch and display requirements for high refresh frequency.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: December 20, 2022
    Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Houfu Gong, Miao Chen, Chuan Liu, Jun Li, Zhihua Yu
  • Patent number: 11417251
    Abstract: A flexible circuit board, a display panel, a display device, and a test method are provided. The flexible circuit board includes a flexible circuit board body and a driving chip. First to third dummy terminals are provided on a surface of the flexible circuit board body. Fourth to sixth dummy terminals are electrically connected to a common node in the driving chip. An external sink current output line and an external sink current input line form an external sink current loop through the driving chip. A bonding resistance between the first and fourth dummy terminals is a first bonding resistance, and a bonding resistance between the second and the fifth dummy terminals is a second bonding resistance. The first bonding resistance and the second bonding resistance each are a resistance on the external sink current loop.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: August 16, 2022
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Han Wu, Houfu Gong, Jun Li
  • Publication number: 20220035484
    Abstract: A display panel, a display device and a control method are provided. The display panel includes a display area and a non-display area, a base substrate, and touch electrodes on a side of the base substrate facing a light-exiting surface of the display panel. The display area includes a first display area and a second display area that at least partially surrounds the first display area, the touch electrodes are at least distributed in the display area, the touch electrodes at least include a first touch electrode located in the first display area, the first touch electrode includes at least one first touch electrode unit, and the first touch electrode unit includes at least one hollowed part, along a direction perpendicular to the base substrate, the hollowed part runs through the first touch electrode unit, and the first touch electrode is a self-capacitive touch electrode.
    Type: Application
    Filed: September 14, 2020
    Publication date: February 3, 2022
    Inventors: Houfu GONG, Zhenhua LIANG, Han WU, Zhenyuan ZHANG, Jun LI, Zhihua YU
  • Publication number: 20210410289
    Abstract: Provided are a flexible circuit mother board and a detection method. The flexible circuit mother board includes flexible circuit daughter boards, at least one detection terminal group and external pad groups corresponding to the flexible circuit daughter boards in one-to-one correspondence. Each flexible circuit daughter board has a bonding pad area adjacent to a corresponding one of the plurality of external pad groups. Each detection terminal group detects at least one flexible circuit daughter board, and each of the at least one detection terminal group comprises a plurality of detection terminals. Each flexible circuit daughter board includes a plurality of capacitors including a first electrode plate and a second electrode plate. Each of the first electrode plate and the second electrode plate is electrically connected to one detection terminal.
    Type: Application
    Filed: August 26, 2020
    Publication date: December 30, 2021
    Applicant: WuHan TianMa Micro-electronics CO., LTD.
    Inventors: Han WU, Houfu GONG, Zhenhua LIANG, Xiang HUANG
  • Publication number: 20210382599
    Abstract: Disclosed are touch display panel, method for driving touch display panel, and display device. The touch display panel includes display region including plurality of touch driver electrodes and plurality of touch sensing electrodes both arranged in array, and non-display region surrounding display region and including touch auxiliary circuit and touch driver circuit. When refresh frequency is first frequency, touch driver circuit configured to provide touch drive signal for each touch driver electrode in touch stage, and receive touch sensing signal returned by each touch sensing electrode to determine touch position according to touch sensing signal. When refresh frequency is the first frequency, touch auxiliary circuit configured to provide first voltage signal for each touch driver electrode in touch stage; and voltage of first voltage signal greater than voltage of touch drive signal. The present disclosure can increase report rate, and satisfy touch and display requirements for high refresh frequency.
    Type: Application
    Filed: August 19, 2021
    Publication date: December 9, 2021
    Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Houfu GONG, Miao CHEN, Chuan LIU, Jun LI, Zhihua YU