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公开(公告)号：US20140062922A1
公开(公告)日：2014-03-06
申请号：US13965218
申请日：2013-08-13
Applicant: NOVATEK Microelectronics Corp.
Inventor： Wing-Kai Tang
IPC: G06F3/041
CPC classification number: G06F3/041 , G06F3/0416 , G06F3/044
Abstract: A touch sensing device includes a plurality of first dimensional transparent electrodes and a plurality of second dimensional transparent electrodes, for forming a plurality of touch sensing points; one or more signal generators, for generating at least two orthogonal signals simultaneously coupled to at least two of the plurality of first dimensional transparent electrodes; one or more analog to digital converters for receiving a plurality of sensing signals from the plurality of second dimensional transparent electrodes; and one or more calculating units, for converting the plurality of sensing signals, to determine components of the at least two orthogonal signals in the plurality of sensing signals and locates at least one touch point on the plurality of touch sensing points.
Abstract translation: 触摸感测装置包括多个第一维透明电极和多个第二维透明电极，用于形成多个触摸感测点; 一个或多个信号发生器，用于产生同时耦合到所述多个第一维度透明电极中的至少两个的至少两个正交信号; 一个或多个模数转换器，用于从多个第二维透明电极接收多个感测信号; 以及一个或多个计算单元，用于转换多个感测信号，以确定多个感测信号中的至少两个正交信号的分量，并且定位多个触摸感测点上的至少一个触摸点。
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公开(公告)号：US20130285999A1
公开(公告)日：2013-10-31
申请号：US13925821
申请日：2013-06-24
Applicant: Novatek Microelectronics Corp
Inventor： Jin-Sheng Hsieh , Hsueh-Yi Lee , Wing-Kai Tang
IPC: G09G5/00
CPC classification number: G09G3/3659 , G09G3/2011 , G09G5/003 , G09G5/10 , G09G2310/0248
Abstract: A driving apparatus of a display is disclosed. The driving apparatus includes a digital-to-analog converter (DAC) circuit, an output buffer circuit and a pre-charge circuit. The DAC circuit receives a display data with a digital format for generating a gray level voltage. The output buffer circuit is coupled to the DAC circuit, and receives the gray level voltage. The output buffer circuit has an output terminal to output a driving output signal. The pre-charge circuit is coupled to the output buffer circuit, and generates a pre-charge output signal according to the gray level voltage and a pre-charge enable signal, and outputs the pre-charge output signal to the output terminal of the output buffer circuit.
Abstract translation: 公开了一种显示器的驱动装置。 驱动装置包括数模转换器（DAC）电路，输出缓冲电路和预充电电路。 DAC电路接收具有用于产生灰度电压的数字格式的显示数据。 输出缓冲电路耦合到DAC电路，并接收灰度电平。 输出缓冲电路具有用于输出驱动输出信号的输出端子。 预充电电路耦合到输出缓冲电路，并根据灰度电压和预充电使能信号产生预充电输出信号，并将预充电输出信号输出到输出端的输出端 缓冲电路。
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公开(公告)号：US11086426B2
公开(公告)日：2021-08-10
申请号：US16384925
申请日：2019-04-16
Applicant: Novatek Microelectronics Corp.
Inventor： Wing-Kai Tang
Abstract: An apparatus for driving a touch display panel is provided. The touch display panel has a plurality of data lines and a plurality of sensing lines. The apparatus includes a first device, a second device and a touch controller. The first device includes a plurality of touch sensing channels configured to sense the first portion of the sensing lines. The second device includes a plurality of touch sensing channels configured to sense the second portion of the sensing lines. The touch controller receives respective touch information from the first device and the second device. The respective touch information includes a first touch information corresponding to the first portion of the sensing lines and a second touch information corresponding to the second portion of the sensing lines. The touch controller determines a touch event of the touch display panel according to the first touch information and the second touch information.
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公开(公告)号：US20190354218A1
公开(公告)日：2019-11-21
申请号：US16384925
申请日：2019-04-16
Applicant: Novatek Microelectronics Corp.
Inventor： Wing-Kai Tang
Abstract: An apparatus for driving a touch display panel is provided. The touch display panel has a plurality of data lines and a plurality of sensing lines. The apparatus includes a first device, a second device and a touch controller. The first device includes a plurality of touch sensing channels configured to sense the first portion of the sensing lines. The second device includes a plurality of touch sensing channels configured to sense the second portion of the sensing lines. The touch controller receives respective touch information from the first device and the second device. The respective touch information includes a first touch information corresponding to the first portion of the sensing lines and a second touch information corresponding to the second portion of the sensing lines. The touch controller determines a touch event of the touch display panel according to the first touch information and the second touch information.
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公开(公告)号：US09814133B2
公开(公告)日：2017-11-07
申请号：US14669006
申请日：2015-03-26
Applicant: Novatek Microelectronics Corp.
Inventor： He-Wei Huang , Chih-Chang Lai , Wing-Kai Tang , Ching-Yang Pai
CPC classification number: H05K1/0259 , G06F3/0418 , G06F3/044 , H05K2201/09781 , H05K2201/10128
Abstract: A touch panel module including a touch panel and an electrostatic discharge (ESD) protection circuit is provided. The touch panel includes one or more conductive electrodes and one or more dummy electrodes. The one or more conductive electrodes include at least one of one or more driving electrodes and one or more sensing electrodes. The one or more dummy electrodes are configured to fill areas between the one or more conductive electrodes or areas outside the one or more conductive electrodes. The ESD protection circuit is electrically connected to at least one dummy electrode of the one or more dummy electrodes, and configured to provide an electrostatic discharging path to the at least one dummy electrode. Furthermore, an electrostatic discharging method of the touch panel module is also provided.
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Patent Agency Ranking
公开(公告)号：US20160202809A1
公开(公告)日：2016-07-14
申请号：US15077924
申请日：2016-03-23
Applicant: NOVATEK Microelectronics Corp.
Inventor： Wing-Kai Tang
CPC classification number: G06F3/044 , G06F3/0416
Abstract: A touch sensing device includes first dimensional transparent electrodes and second dimensional transparent electrodes for forming a plurality of touch sensing points; signal generators for generating at least two orthogonal signals simultaneously coupled to at least two of the first dimensional transparent electrodes; analog to digital converters for receiving a plurality of sensing signals from the second dimensional transparent electrodes; and calculating units, for converting the plurality of sensing signals, to determine components of the at least two orthogonal signals in the plurality of sensing signals and locate at least one touch point on the plurality of touch sensing points, wherein the at least two orthogonal signals are at least two sinusoidal signals having respective frequencies that are not integer times of each other, or at least two periodic signals with a same frequency and a phase difference of 90 degree.
Abstract translation: 触摸感测装置包括用于形成多个触摸感测点的第一维透明电极和第二维透明电极; 用于产生同时耦合到所述第一维度透明电极中的至少两个的至少两个正交信号的信号发生器; 模数转换器，用于从第二维透明电极接收多个感测信号; 以及计算单元，用于转换所述多个感测信号，以确定所述多个感测信号中的所述至少两个正交信号的分量，并且定位所述多个触摸感测点上的至少一个触摸点，其中所述至少两个正交信号 是具有彼此不是整数倍的相应频率的至少两个正弦信号，或具有相同频率和相位差为90度的至少两个周期信号。
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公开(公告)号：US20160026294A1
公开(公告)日：2016-01-28
申请号：US14670432
申请日：2015-03-27
Applicant: Novatek Microelectronics Corp.
Inventor： Wing-Kai Tang , Chih-Chang Lai , Ching-Yang Pai
IPC: G06F3/044
Abstract: A touch panel and a method of arranging electrodes thereof are provided. The touch panel includes a plurality of touch patterns. The touch patterns are arranged in an array and respectively include a first transmitter electrode, a second transmitter electrode, and a plurality of receiver electrodes. The second transmitter electrode is parallel to the first transmitter electrode. The receiver electrodes are disposed between the first transmitter electrode and the second transmitter electrode and are respectively adjacent to the first transmitter electrode and the second transmitter electrode. The first transmitter electrode, the second transmitter electrode, and the receiver electrodes do not overlap each other. The first transmitter electrodes of the touch patterns are not connected with each other. The second transmitter electrodes of the touch patterns are not connected with each other.
Abstract translation: 提供一种触摸面板及其电极排列方法。 触摸面板包括多个触摸图案。 触摸图案被排列成阵列，并且分别包括第一发射器电极，第二发射器电极和多个接收器电极。 第二发射器电极平行于第一发射器电极。 接收器电极设置在第一发射器电极和第二发射器电极之间，并且分别与第一发射器电极和第二发射器电极相邻。 第一发送器电极，第二发送器电极和接收器电极彼此不重叠。 触摸图案的第一发射器电极彼此不连接。 触摸图案的第二发射器电极彼此不连接。
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公开(公告)号：US20150015566A1
公开(公告)日：2015-01-15
申请号：US14501053
申请日：2014-09-30
Applicant: Novatek Microelectronics Corp.
Inventor： Jin-Sheng Hsieh , Hsueh-Yi Lee , Wing-Kai Tang
CPC classification number: G09G3/3659 , G09G3/2011 , G09G5/003 , G09G5/10 , G09G2310/0248
Abstract: A driving apparatus of a display is disclosed. The driving apparatus includes a digital-to-analog converter (DAC) circuit, an output buffer circuit and a pre-charge circuit. The DAC circuit receives a display data with a digital format for generating a gray level voltage. The output buffer circuit is coupled to the DAC circuit, and has an output terminal to output an output signal. The output buffer circuit receives the gray level voltage and the output signal, and compares the gray level voltage and the output signal to generate a comparison result. The pre-charge circuit is coupled to the output buffer circuit, and generates a pre-charge output signal to the output terminal of the output buffer circuit according to the comparison result and a pre-charge enable signal.
Abstract translation: 公开了一种显示器的驱动装置。 驱动装置包括数模转换器（DAC）电路，输出缓冲电路和预充电电路。 DAC电路接收具有用于产生灰度电压的数字格式的显示数据。 输出缓冲电路耦合到DAC电路，并具有输出端输出输出信号。 输出缓冲电路接收灰度级电压和输出信号，并比较灰度电压和输出信号以产生比较结果。 预充电电路耦合到输出缓冲电路，根据比较结果和预充电使能信号，将输出缓冲电路的输出端产生预充电输出信号。
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公开(公告)号：US20150015534A1
公开(公告)日：2015-01-15
申请号：US14140559
申请日：2013-12-26
Applicant: Novatek Microelectronics Corp.
Inventor： Shih-Jung Lu , Wing-Kai Tang
IPC: G06F3/044
CPC classification number: G06F3/044
Abstract: The touch panel includes a plurality of touch pads arranged in an array on the touch panel. Each of the touch pads are arranged in N columns and M rows, the touch pad in the ith column and in the jth row is coupled to the touch pad in the (i−1)th column and in the (j−1)th row and the touch pad in the (i+1)th column and in the (j+1)th row, or the touch pad in the ith column and in the jth row is coupled to the touch pad in the (i+1)th column and in the (j−1)th row and the touch pad in the (i−1)th column and in the (j+1)th row.
Abstract translation: 触摸面板包括在触摸面板上排列成阵列的多个触摸板。 每个触摸板被布置成N列和M行，第i列和第j行中的触摸板耦合到第（i-1）列和第（j-1）列中的触摸板 行和第（i + 1）列和第（j + 1）行中的触摸板或第i列和第j行中的触摸板耦合到第（i + 1）行中的触摸板 ）列和第（i-1）列和第（j + 1）行中的第（j-1）行和触摸板。
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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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