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公开(公告)号：US20210397804A1
公开(公告)日：2021-12-23
申请号：US17349948
申请日：2021-06-17
Applicant: Novatek Microelectronics Corp.
Inventor： Yi-Cheng Lin , Yueh-Teng Mai , Jiun-Jie Tsai
Abstract: A driving device for driving a touch display panel with fingerprint sensing function and a driving method therefore are provided. The circuit includes a plurality of touch sensing input terminals, a plurality of fingerprint sensing input terminals, a first touch sensing circuit, a fingerprint sensing circuit, and a second touch sensing circuit. The second touch sensing circuit is coupled to a plurality of second touch sensing electrodes in a fingerprint sensor array of the touch display panel through at least a part of the plurality of fingerprint sensing input terminals. The second touch sensing circuit is configured to perform the second touch sensing operation according to the second touch sensing electrodes in the fingerprint sensor array for compensating a touch sensing result of the first touch sensing operation by the first touch sensing circuit.
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公开(公告)号：US11036952B2
公开(公告)日：2021-06-15
申请号：US16677605
申请日：2019-11-07
Applicant: Novatek Microelectronics Corp.
Inventor： Ching-Ho Hung , Jiun-Jie Tsai , Ting-Hsuan Hung , Wei-Lun Shih
Abstract: A touch apparatus and a touch detection integrated circuit (IC) thereof are provided. The touch detection IC includes a driving signal generation circuit and a receiving circuit. The driving signal generation circuit is configured to control a touch panel to perform touch sensing operation and control a fingerprint sensor to perform fingerprint sensing operation. The receiving circuit receives and processes a touch signal of the touch panel during a first period when the driving signal generation circuit transmits the first driving signal for controlling the touch panel to perform touch sensing operation. The receiving circuit receives and processes a fingerprint signal of the fingerprint sensor during a second period when the driving signal generation circuit transmits the second driving signal for controlling the fingerprint sensor to perform fingerprint sensing operation.
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公开(公告)号：US12182358B2
公开(公告)日：2024-12-31
申请号：US17671621
申请日：2022-02-15
Applicant: NOVATEK Microelectronics Corp.
Inventor： Shih-Ming Lin , Jiun-Jie Tsai
IPC: G06F3/041 , G06F3/0354
Abstract: A synchronization method between an active stylus and a touch device includes determining whether the active stylus approaches the touch device; starting a timing configuration process after the touch device receives a response signal from the active stylus; and starting a timing calibration process after the timing configuration process is completed.
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公开(公告)号：US20220171494A1
公开(公告)日：2022-06-02
申请号：US17241091
申请日：2021-04-27
Applicant: Novatek Microelectronics Corp.
Inventor： Wei-Lun Shih , Wu-Wei Lin , Jiun-Jie Tsai , Huang-Chin Tang , Ching-Chun Lin
Abstract: An integrated driving device is provided. The integrated driving device includes a touch sensing circuit and an optical sensing circuit. The touch sensing circuit is configured to perform touch sensing in a plurality of touch sensing periods during a first frame period. The optical sensing circuit is configured to perform optical sensing during at least one optical sensing period during the first frame period to obtain optical sensing signals for generating first ambient light information. The touch sensing periods and the optical sensing period are non-overlapping. Correspondingly, an operation method of an integrated driving device is also provided.
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公开(公告)号：US20140247402A1
公开(公告)日：2014-09-04
申请号：US13972886
申请日：2013-08-21
Applicant: NOVATEK Microelectronics Corp.
Inventor： Chun-Yi Chou , Ching-Wu Tseng , Jiun-Jie Tsai , Yu-Tsung Lu , Tsen-Wei Chang
IPC: G02F1/1333
CPC classification number: G02F1/13338 , G02F1/136286 , G06F3/0412 , G06F3/0418 , G06F3/044 , G06F2203/04103 , G06F2203/04809
Abstract: An in-cell touch control panel includes a liquid crystal layer; a top glass; a bottom glass; a plurality of driving electrodes, formed between the top glass and the liquid crystal layer; and a plurality of sensing electrodes, formed between the bottom glass and the liquid crystal layer, and perpendicular to the plurality of driving electrodes. The plurality of driving electrodes and the plurality of sensing electrodes are utilized for sensing a touch point on the in-cell touch control panel.
Abstract translation: 电池内触摸控制面板包括液晶层; 顶级玻璃 底玻璃 多个驱动电极，形成在顶玻璃和液晶层之间; 以及形成在底玻璃和液晶层之间并垂直于多个驱动电极的多个感测电极。 多个驱动电极和多个检测电极用于感测单元内触摸控制面板上的触摸点。
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Patent Agency Ranking
公开(公告)号：US20240212551A1
公开(公告)日：2024-06-27
申请号：US18595470
申请日：2024-03-05
Applicant: Novatek Microelectronics Corp.
Inventor： Wei-Lun Shih , Wu-Wei Lin , Jiun-Jie Tsai , Huang-Chin Tang , Ching-Chun Lin
CPC classification number: G09G3/20 , G06F3/0412 , G06F3/04184 , G06V40/1318 , G09G2310/0286 , G09G2360/144
Abstract: An integrated driving device is provided. The integrated driving device includes a touch sensing circuit and an optical sensing circuit. The touch sensing circuit is configured to perform touch sensing in a plurality of touch sensing periods during a first frame period. The optical sensing circuit is configured to perform optical sensing during at least one optical sensing period during the first frame period to obtain optical sensing signals for generating first ambient light information. The touch sensing periods and the optical sensing period are non-overlapping. Correspondingly, an operation method of an integrated driving device is also provided.
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公开(公告)号：US11922844B2
公开(公告)日：2024-03-05
申请号：US17241091
申请日：2021-04-27
Applicant: Novatek Microelectronics Corp.
Inventor： Wei-Lun Shih , Wu-Wei Lin , Jiun-Jie Tsai , Huang-Chin Tang , Ching-Chun Lin
CPC classification number: G09G3/20 , G06F3/0412 , G06F3/04184 , G06V40/1318 , G09G2310/0286 , G09G2360/144
Abstract: An integrated driving device is provided. The integrated driving device includes a touch sensing circuit and an optical sensing circuit. The touch sensing circuit is configured to perform touch sensing in a plurality of touch sensing periods during a first frame period. The optical sensing circuit is configured to perform optical sensing during at least one optical sensing period during the first frame period to obtain optical sensing signals for generating first ambient light information. The touch sensing periods and the optical sensing period are non-overlapping. Correspondingly, an operation method of an integrated driving device is also provided.
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公开(公告)号：US20220326805A1
公开(公告)日：2022-10-13
申请号：US17671621
申请日：2022-02-15
Applicant: NOVATEK Microelectronics Corp.
Inventor： Shih-Ming Lin , Jiun-Jie Tsai
IPC: G06F3/041 , G06F3/0354
Abstract: A synchronization method between an active stylus and a touch device includes determining whether the active stylus approaches the touch device; starting a timing configuration process after the touch device receives a response signal from the active stylus; and starting a timing calibration process after the timing configuration process is completed.
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公开(公告)号：US20180164943A1
公开(公告)日：2018-06-14
申请号：US15378025
申请日：2016-12-13
Applicant: Novatek Microelectronics Corp.
Inventor： Ching-Ho Hung , Jiun-Jie Tsai
CPC classification number: G06F3/0416 , G06F3/044 , G06K9/00013
Abstract: A touch apparatus and a touch detection integrated circuit (IC) thereof are provided. The touch detection IC includes a driving signal generation circuit and a receiving circuit. The driving signal generation circuit is configured to transmit at least one first driving signal to a touch panel and a second driving signal to a fingerprint sensor. The receiving circuit receives and processes a touch signal of the touch panel during a first period when the driving signal generation circuit transmits the first driving signal to the touch panel. The receiving circuit receives and processes a fingerprint signal of the fingerprint sensor during a second period when the driving signal generation circuit transmits the second driving signal to the fingerprint sensor.
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公开(公告)号：US20140002115A1
公开(公告)日：2014-01-02
申请号：US14014395
申请日：2013-08-30
Applicant: Novatek Microelectronics Corp.
Inventor： Ching-Chun Lin , Wing-Kai Tang , Ching-Ho Hung , Tsen-Wei Chang , Yi-Liang Lin , Jiun-Jie Tsai
IPC: G01R27/26
CPC classification number: G01R27/2605 , G01R27/26
Abstract: A capacitance sensing method is provided. The capacitance sensing method includes the following steps. During at least one first period of a sensing period, a capacitance under test is sensed through a first sensing channel, and a reference capacitance is sensed through a second sensing channel. During at least one second period of the sensing period, the reference capacitance is sensed through the first sensing channel, and the capacitance under test is sensed through the second sensing channel. A first difference is generated according to the capacitance under test and the reference capacitance.
Abstract translation: 提供电容感测方法。 电容感测方法包括以下步骤。 在感测周期的至少一个第一周期期间，通过第一感测通道来感测被测电容，并且通过第二感测通道感测参考电容。 在感测周期的至少一个第二周期期间，通过第一感测通道感测参考电容，并且通过第二感测通道感测被测电容。 根据被测电容和参考电容产生第一个差异。
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