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).
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Publication number: 20240111388Abstract: 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: ApplicationFiled: December 4, 2023Publication date: April 4, 2024Inventors: Houfu GONG, Zengjian JIN, Leilei LUO, Yanan WANG, Yalong MA
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Publication number: 20240028146Abstract: 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: ApplicationFiled: September 18, 2021Publication date: January 25, 2024Applicants: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Houfu Gong, Yalong Ma, Zengjian Jin
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Patent number: 11871511Abstract: 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: GrantFiled: August 26, 2020Date of Patent: January 9, 2024Assignee: WuHan TianMa Micro-electronics CO., LTD.Inventors: Han Wu, Houfu Gong, Zhenhua Liang, Xiang Huang
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Patent number: 11868572Abstract: 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: GrantFiled: December 20, 2021Date of Patent: January 9, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Houfu Gong, Zengjian Jin, Leilei Luo, Yanan Wang, Yalong Ma
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Publication number: 20230273700Abstract: 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: ApplicationFiled: November 8, 2021Publication date: August 31, 2023Inventor: Houfu GONG
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Patent number: 11687200Abstract: 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: GrantFiled: September 14, 2020Date of Patent: June 27, 2023Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Houfu Gong, Zhenhua Liang, Han Wu, Zhenyuan Zhang, Jun Li, Zhihua Yu
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Publication number: 20230185412Abstract: 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: ApplicationFiled: December 20, 2021Publication date: June 15, 2023Inventors: Houfu GONG, Zengjian JIN, Leilei LUO, Yanan WANG, Yalong MA
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Patent number: 11531422Abstract: 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: GrantFiled: August 19, 2021Date of Patent: December 20, 2022Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Houfu Gong, Miao Chen, Chuan Liu, Jun Li, Zhihua Yu
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Patent number: 11417251Abstract: 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: GrantFiled: December 30, 2019Date of Patent: August 16, 2022Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Han Wu, Houfu Gong, Jun Li
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Publication number: 20220035484Abstract: 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: ApplicationFiled: September 14, 2020Publication date: February 3, 2022Inventors: Houfu GONG, Zhenhua LIANG, Han WU, Zhenyuan ZHANG, Jun LI, Zhihua YU
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Publication number: 20210410289Abstract: 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: ApplicationFiled: August 26, 2020Publication date: December 30, 2021Applicant: WuHan TianMa Micro-electronics CO., LTD.Inventors: Han WU, Houfu GONG, Zhenhua LIANG, Xiang HUANG
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Publication number: 20210382599Abstract: 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: ApplicationFiled: August 19, 2021Publication date: December 9, 2021Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Houfu GONG, Miao CHEN, Chuan LIU, Jun LI, Zhihua YU
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Publication number: 20210065596Abstract: 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: ApplicationFiled: December 30, 2019Publication date: March 4, 2021Inventors: Han WU, Houfu GONG, Jun LI
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Patent number: 10824261Abstract: Provided is a display module, including: a display panel having a first binding area and a flexible circuit board having a second binding area. First binding pins provided in the first binding area are correspondingly bound to second binding pins provided in the second binding area. First and second test boards are provided in the first and second binding areas, respectively, and the first and second test boards overlap while being insulated from each other. A driving chip fixed to the flexible circuit board includes a touch sensing pin and a touch driving pin. The touch driving pin is configured to output a touch driving signal and the touch sensing pin is configured to receive a touch sensing signal. One of the first test board and the second test board is electrically connected to the touch sensing pin, and the other one is electrically connected to the touch driving pin.Type: GrantFiled: December 27, 2019Date of Patent: November 3, 2020Assignee: WuHan TianMa Micro-electronics CO., LTD.Inventors: Houfu Gong, Han Wu, Zhihua Yu