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公开(公告)号：US09081442B2
公开(公告)日：2015-07-14
申请号：US13406338
申请日：2012-02-27
CPC分类号： G06F3/0418 , G06F3/044
摘要： A touch panel configured to compensate for negative pixel effect is disclosed. The panel can be configured to increase a capacitive sense signal, indicative of a touching or hovering object, in order to compensate for an increase in negative capacitance when the object is poorly grounded. To perform the compensation, the panel can be configured to have split sense lines so as to increase the number of electric fringe fields forming the sense signal, thereby providing a sense signal that is substantially stronger than the negative capacitance signal. Each sense line can be split into two or more strips.
摘要翻译： 公开了一种被配置为补偿负像素效应的触摸面板。 面板可以被配置为增加指示触摸或悬停物体的电容感测信号，以补偿当物体接地不良时负电容的增加。 为了执行补偿，面板可以被配置为具有分割感测线，以便增加形成感测信号的电气条纹场的数量，从而提供比负电容信号显着更强的感测信号。 每条感测线可以分成两条或更多条。
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公开(公告)号：US08760412B2
公开(公告)日：2014-06-24
申请号：US12545557
申请日：2009-08-21
IPC分类号： G06F3/041
CPC分类号： G06F3/044 , G06F3/0412 , G06F2203/04107 , G09G3/3648 , G09G3/3696 , G09G2310/0297
摘要： A display having data lines that can be configured between a display mode and a touch mode is disclosed. The display can have sense regions for sensing a touch or near touch on the display during the touch mode. These same regions can display graphics or data on the display during the display mode. During display mode, the data lines in the sense regions can be configured to couple to display circuitry in order to receive data signals from the circuitry for displaying. During touch mode, the data lines in the sense regions can be configured to couple to corresponding sense lines in the regions, which in turn can couple to touch circuitry, in order to transmit touch signals to the circuitry for sensing a touch or near touch. Alternatively, during touch mode, the data lines in the sense regions can be configured to couple to ground in order to transmit residual data signals to ground for discarding.
摘要翻译： 公开了一种具有能够在显示模式和触摸模式之间配置的数据线的显示器。 显示器可以具有用于在触摸模式期间感测显示器上的触摸或接近触摸的感测区域。 这些相同的区域可以在显示模式期间在显示器上显示图形或数据。 在显示模式期间，感测区域中的数据线可被配置为耦合到显示电路，以便从用于显示的电路接收数据信号。 在触摸模式期间，感测区域中的数据线可以被配置为耦合到区域中的对应感测线，该区域又可以耦合到触摸电路，以便将触摸信号发送到用于感测触摸或接近触摸的电路。 或者，在触摸模式期间，感测区域中的数据线可以被配置为耦合到地，以便将剩余数据信号发送到地面以进行丢弃。
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公开(公告)号：US08593423B2
公开(公告)日：2013-11-26
申请号：US13250984
申请日：2011-09-30
IPC分类号： G06F3/041
CPC分类号： G06F3/0416 , G06F3/044 , G06F2203/04104 , G09G5/18
摘要： A multi-stimulus controller for a multi-touch sensor is formed on a single integrated circuit (single-chip). The multi-stimulus controller includes a transmit oscillator, a transmit signal section that generates a plurality of drive signals based on a frequency of the transmit oscillator, a plurality of transmit channels that transmit the drive signals simultaneously to drive the multi-touch sensor, a receive channel that receives a sense signal resulting from the driving of the multi-touch sensor, a receive oscillator, and a demodulation section that demodulates the received sense signal based on a frequency of the receive oscillator to obtain sensing results, the demodulation section including a demodulator and a vector operator.
摘要翻译： 用于多触摸传感器的多激励控制器形成在单个集成电路（单芯片）上。 多激励控制器包括发射振荡器，基于发射振荡器的频率产生多个驱动信号的发射信号部分，同时传输驱动信号以驱动多点触摸传感器的多个发射信道， 接收信号，其接收由所述多点触摸传感器的驱动产生的感测信号，接收振荡器和解调部分，所述解调部分基于所述接收振荡器的频率来解调所接收的感测信号以获得感测结果，所述解调部分包括： 解调器和向量运算符。
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公开(公告)号：US08537126B2
公开(公告)日：2013-09-17
申请号：US12545669
申请日：2009-08-21
IPC分类号： G06F3/041
CPC分类号： G06F3/0416 , G06F3/0412
摘要： A gate driver circuit for switching gate line voltage supplies between display and touch modes is disclosed. The circuit can include one or more switches configured to switch one or more gate lines of an integrated touch sensitive display between a display mode and a touch mode. During touch mode, the circuit can be configured to switch the gate lines to connect to a more stable voltage supply. The circuit can also be configured to reduce or eliminate interference from the display circuitry to the touch circuitry that could affect touch sensing. During display mode, the circuit can be configured to switch the gate lines to connect to a fluctuating voltage supply.
摘要翻译： 公开了一种用于在显示和触摸模式之间切换栅极线电压源的栅极驱动器电路。 电路可以包括被配置为在显示模式和触摸模式之间切换集成触敏显示器的一个或多个栅极线的一个或多个开关。 在触摸模式下，电路可以配置为切换栅极线以连接到更稳定的电压源。 该电路还可以被配置为减少或消除可能影响触摸感测的从显示电路到触摸电路的干扰。 在显示模式下，电路可以配置为切换栅极线以连接到波动的电源。
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公开(公告)号：US08507811B2
公开(公告)日：2013-08-13
申请号：US12545741
申请日：2009-08-21
IPC分类号： G08C21/00
CPC分类号： G06F3/0416 , G06F3/0412 , G06F3/044 , G06F3/047 , G06F2203/04112 , H03K17/9622
摘要： Capacitive touch panels may include a plurality of positive voltage lines that are driven at a first phase. These positive voltage lines may be used to provide the drive capacitance signal sensed by one or more sense regions. The touch panels may also include a plurality of negative phase voltage lines that are driven at a phase that is different than the first phase. Both the positive and negative voltage lines may cross-under one or more sense regions. The negative phase voltage lines are able to counter act and reduce the static capacitance in the sense regions.
摘要翻译： 电容触摸面板可以包括在第一阶段被驱动的多个正电压线。 这些正电压线可以用于提供由一个或多个感测区域感测的驱动电容信号。 触摸面板还可以包括以不同于第一相的相位驱动的多个负相电压线。 正电压线和负电压线都可以在一个或多个感测区域下交叉。 负相电压线能够抵消感测区域的动作并降低静态电容。
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公开(公告)号：US20110061949A1
公开(公告)日：2011-03-17
申请号：US12558380
申请日：2009-09-11
IPC分类号： G08C21/00
CPC分类号： G06F3/0418 , G02F1/13338 , G06F3/044 , G06F2203/04104 , H03K17/962 , H03K2217/960705
摘要： Measuring an effect of body capacitance in a touch sensitive device is disclosed. This effect can be caused by poor grounding of a user or other objects touching the device or of the device itself. The device can operate in a stray capacitance mode to measure a body capacitance effect and in a normal mode to detect a touch on the device. During the stray capacitance mode, the device can obtain a body capacitance measurement from the device. During the normal mode, the device can obtain a touch measurement from the device. The device can calculate a body capacitance factor based on a ratio between the body capacitance measurement and the touch measurement and use the body capacitance factor to compensate for erroneous or distorted touch output values from the device. Various components of the device can be switchably configured according to the particular mode.
摘要翻译： 公开了测量触敏装置中的身体电容的影响。 这种效果可能是由于接触设备或设备本身的用户或其他对象的接地不良引起的。 器件可以在杂散电容模式下工作，以测量体电容效应，并在正常模式下检测器件上的触摸。 在杂散电容模式期间，器件可以从器件获得体电容测量值。 在正常模式下，设备可以从设备获得触摸测量。 该装置可以基于身体电容测量和触摸测量之间的比率来计算身体电容因数，并使用身体电容因子来补偿来自装置的错误或失真的触摸输出值。 可以根据特定模式切换配置设备的各种组件。
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公开(公告)号：US07859521B2
公开(公告)日：2010-12-28
申请号：US12756834
申请日：2010-04-08
IPC分类号： G09G5/00
CPC分类号： G06F3/0412 , G02F1/13338 , G06F3/041 , G06F3/044 , G06F2203/04103
摘要： Displays with touch sensing circuitry integrated into the display pixel stackup are provided. Circuit elements, such as touch signal lines, such as drive lines and sense lines, grounding regions, in the display pixel stackups can be grouped together to form touch sensing circuitry that senses a touch on or near the display. An integrated touch screen can include multi-function circuit elements that can operate as circuitry of the display system to generate an image on the display, and can also form part of a touch sensing system that senses one or more touches on or near the display. The multi-function circuit elements can be, for example, capacitors in display pixels that can be configured to operate as storage capacitors/electrodes, common electrodes, conductive wires/pathways, etc., of the display circuitry in the display system, and that may also be configured to operate as circuit elements of the touch sensing circuitry.
摘要翻译： 提供集成在显示像素堆叠中的触摸感应电路的显示。 诸如触摸信号线的电路元件，例如显示像素叠层中的驱动线和感测线，接地区域可以被分组在一起，以形成感测显示器上或附近的触摸的触摸感测电路。 集成触摸屏可以包括多功能电路元件，其可以作为显示系统的电路操作以在显示器上生成图像，并且还可以形成感测显示器上或附近的一个或多个触摸的触摸感测系统的一部分。 多功能电路元件可以是例如可以被配置为作为显示系统中的显示电路的存储电容器/电极，公共电极，导线/路径等的显示像素中的电容器，并且， 也可以被配置为作为触摸感测电路的电路元件工作。
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公开(公告)号：US09335870B2
公开(公告)日：2016-05-10
申请号：US12877070
申请日：2010-09-07
IPC分类号： G06F3/041 , G06F3/045 , G06F3/044 , G02F1/1333 , G02F1/1362
CPC分类号： G06F3/044 , G02F1/13338 , G02F1/1362 , G06F3/0412 , G06F3/0418 , H01L2224/48091 , H01L2924/00014
摘要： Clamping of a circuit element of a touch screen, such as a gate line of the display system of the touch screen, to a fixed voltage is provided. The circuit element can be clamped during a touch phase and unclamped during a display phase of the touch screen. A gate line system of a touch screen can include a first transistor with a source or drain connected to a first gate line, a second transistor with a source or drain connected to a second gate line, and a common conductive pathway connecting gates of the first and second transistors. A synchronization system can switch the first and second transistors to connect the first and second gate lines to a fixed voltage during a touch phase, and can switch the first and second transistors to disconnect the first and second gate lines from the fixed voltage during a display phase.
摘要翻译： 提供了触摸屏的电路元件（例如触摸屏的显示系统的栅极线）固定为固定电压。 电路元件可以在触摸阶段被钳位，并且在触摸屏的显示阶段期间被松开。 触摸屏的栅极线系统可以包括具有连接到第一栅极线的源极或漏极的第一晶体管，连接到第二栅极线的源极或漏极的第二晶体管以及连接到第一栅极的第一栅极的公共导电通路 和第二晶体管。 同步系统可以切换第一和第二晶体管，以在触摸阶段将第一和第二栅极线连接到固定电压，并且可以在显示期间切换第一和第二晶体管以使第一和第二栅极线与固定电压断开 相。
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公开(公告)号：US20140028634A1
公开(公告)日：2014-01-30
申请号：US13560953
申请日：2012-07-27
IPC分类号： G06F3/033
CPC分类号： G06F3/03545 , G06F3/033 , G06F3/041 , G06F3/044
摘要： Styluses capable of generating stylus stimulation signals and touch sensitive devices capable of receiving stylus stimulation signals are disclosed. In one example, a stylus can receive a stimulation signal from a touch sensor of a touch sensitive device and generate a stylus stimulation signal by changing an amplitude or frequency of the received stimulation signal. The stylus can transmit the stylus stimulation signal back into the touch sensor of the touch sensitive device. The touch sensor can generate a touch signal based on the device's own stimulation signals and the stylus stimulation signal. The touch sensitive device can process the touch signal to determine a location of the stylus on the touch sensor. The stylus can include a force sensor to detect an amount of force applied to a tip of the stylus. The stylus stimulation signal can be modulated based on the force detected by the force sensor.
摘要翻译： 公开了能够产生触针刺激信号的手枪和能够接收触笔刺激信号的触敏装置。 在一个示例中，触针可以从触敏设备的触摸传感器接收刺激信号，并通过改变所接收的刺激信号的幅度或频率来产生触针刺激信号。 触控笔可以将触针刺激信号传送回触敏装置的触摸传感器。 触摸传感器可以基于设备自身的刺激信号和触针刺激信号产生触摸信号。 触敏设备可以处理触摸信号以确定触控笔在触摸传感器上的位置。 触针可以包括力传感器以检测施加到触针尖端的力的量。 可以基于由力传感器检测到的力来调制触针刺激信号。
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公开(公告)号：US08570301B2
公开(公告)日：2013-10-29
申请号：US13251049
申请日：2011-09-30
CPC分类号： G06F3/044 , G06F3/0418 , G06F2203/04104
摘要： Negative pixel compensation to compensate for a negative pixel effect in touch signal outputs due to poor grounding of an object touching the device is disclosed. To do so, the device can switch to a configuration to measure the grounding condition of the touching object and use the measurement to compensate the touch output values. In the switched configuration, a first set of lines of the device can be switched between a coupling to a stimulation signal input to drive the device, a coupling to a capacitance signal output to output a signal indicative of the object's grounding condition, and a coupling to ground. A second set of lines of the device can be coupled to a touch signal output to output a signal indicative of the object's touch at the device. The grounding signal can be applied to the touch signal to compensate for the negative pixel effect.
摘要翻译： 公开了负像素补偿以补偿由于接触设备的物体接地不良而导致的触摸信号输出中的负像素效应。 为此，设备可以切换到配置以测量触摸对象的接地状态，并使用测量来补偿触摸输出值。 在切换配置中，设备的第一组线路可以在耦合到输入的刺激信号以驱动设备之间切换，耦合到电容信号输出以输出指示对象的接地状态的信号，以及耦合 到地面 设备的第二组线可以耦合到触摸信号输出以输出指示对象在设备处的触摸的信号。 接地信号可以应用于触摸信号来补偿负像素效应。
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