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公开(公告)号：US11175762B2
公开(公告)日：2021-11-16
申请号：US16250467
申请日：2019-01-17
申请人： Apple Inc.
发明人： Steve Porter Hotelling , Wei Chen , Christoph Horst Krah , John Greer Elias , Wei Hsin Yao , Andrew Bert Hodge , Brian Richards Land , Willem den Boer , John Z. Zhong
IPC分类号： G06F3/041 , G09G3/36 , G02F1/1333 , G02F1/1343 , G06F3/044 , G02F1/1335 , G02F1/1362
摘要： Disclosed herein are liquid-crystal display (LCD) touch screens that integrate the touch sensing elements with the display circuitry. The integration may take a variety of forms. Touch sensing elements can be completely implemented within the LCD stackup but outside the not between the color filter plate and the array plate. Alternatively, some touch sensing elements can be between the color filter and array plates with other touch sensing elements not between the plates. In another alternative, all touch sensing elements can be between the color filter and array plates. The latter alternative can include both conventional and in-plane-switching (IPS) LCDs. In some forms, one or more display structures can also have a touch sensing function. Techniques for manufacturing and operating such displays, as well as various devices embodying such displays are also disclosed.
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公开(公告)号：US10976846B2
公开(公告)日：2021-04-13
申请号：US16231065
申请日：2018-12-21
申请人： Apple Inc.
发明人： Steve Porter Hotelling , Wei Chen , Christoph Horst Krah , John Greer Elias , Wei Hsin Yao , Andrew Bert Hodge , Brian Richards Land , Willem den Boer , John Z. Zhong
IPC分类号： G06F3/041 , G09G3/36 , G02F1/1333 , G02F1/1343 , G06F3/044 , G02F1/1335 , G02F1/1362
摘要： Disclosed herein are liquid-crystal display (LCD) touch screens that integrate the touch sensing elements with the display circuitry. The integration may take a variety of forms. Touch sensing elements can be completely implemented within the LCD stackup but outside the not between the color filter plate and the array plate. Alternatively, some touch sensing elements can be between the color filter and array plates with other touch sensing elements not between the plates. In another alternative, all touch sensing elements can be between the color filter and array plates. The latter alternative can include both conventional and in-plane-switching (IPS) LCDs. In some forms, one or more display structures can also have a touch sensing function. Techniques for manufacturing and operating such displays, as well as various devices embodying such displays are also disclosed.
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公开(公告)号：US09323405B2
公开(公告)日：2016-04-26
申请号：US14042462
申请日：2013-09-30
申请人： Apple Inc.
CPC分类号： G06F3/0418 , G06F3/044 , G06F2203/04104 , G06F2203/04107
摘要： A touch surface device having improved sensitivity and dynamic range is disclosed. In one embodiment, the touch surface device includes a touch-sensitive panel having at least one sense node for providing an output signal indicative of a touch or no-touch condition on the panel; a compensation circuit, coupled to the at least one sense node, for generating a compensation signal that when summed with the output signal removes an undesired portion of the output signal so as to generated a compensated output signal; and an amplifier having an inverting input coupled to the output of the compensation circuit and a non-inverting input coupled to a known reference voltage.
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公开(公告)号：US08736577B2
公开(公告)日：2014-05-27
申请号：US13708675
申请日：2012-12-07
申请人： Apple Inc.
IPC分类号： G09G5/00
CPC分类号： G06F3/044 , G06F3/041 , G06F3/0418 , G06F2203/04104 , G06F2203/04108
摘要： Pre-stored no-touch or no-hover (no-event) sensor output values can initially be used when a sensor panel subsystem is first booted up to establish an initial baseline of sensor output values unaffected by fingers or other objects touching or hovering over the sensor panel during boot-up. This initial baseline can then be normalized so that each sensor generates the same output value for a given amount of touch or hover, providing a uniform response across the sensor panel and enabling subsequent touch or hover events to be more easily detected. After the initial normalization process is complete, the pre-stored baseline can be discarded in favor of a newly captured no-event baseline that may be more accurate than the pre-stored baseline due to temperature or other variations.
摘要翻译： 传感器面板子系统首次启动时，最初可以使用预先存储的无触摸或无悬停（无事件）传感器输出值，以建立传感器输出值的初始基线，不受手指或其他触摸或悬停的物体的影响 启动期间的传感器面板。 然后可以对该初始基线进行归一化，使得每个传感器为给定量的触摸或悬停生成相同的输出值，从而在传感器面板上提供均匀的响应，并使得能够更容易地检测到随后的触摸或悬停事件。 在初始归一化过程完成之后，可以丢弃预先存储的基线，以利于新捕获的无事件基线，由于温度或其他变化，可能比预先存储的基线更准确。
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公开(公告)号：US11269467B2
公开(公告)日：2022-03-08
申请号：US16447811
申请日：2019-06-20
申请人： Apple Inc.
摘要： A touch sensor panel having co-planar single-layer touch sensors fabricated on a single side of a substrate is disclosed. The drive and sense lines can be fabricated as column-like patterns in a first orientation and patches in a second orientation, where each column-like pattern in the first orientation is connected to a separate metal trace in the border area of the touch sensor panel, and all patches in each of multiple rows in the second orientation are connected together using a separate metal trace in the border area of the touch sensor panel. The metal traces in the border areas can be formed on the same side of the substrate as the patches and columns, but separated from the patches and column-like patterns by a dielectric layer.
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公开(公告)号：US10254890B2
公开(公告)日：2019-04-09
申请号：US15093638
申请日：2016-04-07
申请人： Apple Inc.
摘要： A touch surface device having improved sensitivity and dynamic range is disclosed. In one embodiment, the touch surface device includes a touch-sensitive panel having at least one sense node for providing an output signal indicative of a touch or no-touch condition on the panel; a compensation circuit, coupled to the at least one sense node, for generating a compensation signal that when summed with the output signal removes an undesired portion of the output signal so as to generated a compensated output signal; and an amplifier having an inverting input coupled to the output of the compensation circuit and a non-inverting input coupled to a known reference voltage.
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公开(公告)号：US09615448B2
公开(公告)日：2017-04-04
申请号：US14211396
申请日：2014-03-14
申请人： Apple Inc.
CPC分类号： H05K1/0274 , B24B7/241 , B24B7/242 , C03C15/00 , C03C19/00 , Y10T428/24926 , Y10T428/266
摘要： Fabrication of thin sheets of glass or other substrate material for use in devices such as touch sensor panels is disclosed. A pair of thick glass sheets, typically with thicknesses of 0.5 mm or greater each, may each be patterned with thin film on a surface, sealed together to form a sandwich with the patterned surfaces facing each other and spaced apart by removable spacers, either or both thinned on their outside surfaces to thicknesses of less than 0.5 mm each, and separated into two thin glass sheets. A single thick glass sheet, typically with a thickness of 0.5 mm or greater, may be patterned, covered with a protective layer over the pattern, thinned on its outside surface to a thickness of less than 0.5 mm, and the protective layer removed. This thinness of less than 0.5 mm may be accomplished using standard LCD equipment, despite the equipment having a sheet minimum thickness requirement of 0.5 mm.
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公开(公告)号：US09430087B2
公开(公告)日：2016-08-30
申请号：US14791145
申请日：2015-07-02
申请人： Apple Inc.
CPC分类号： G06F3/0416 , G02F1/13338 , G06F3/041 , G06F3/0412 , G06F3/0418 , G06F3/044 , G06F2203/04104
摘要： The use of multiple stimulation signals having one or more frequencies and one or more phases to generate an image of touch on a touch sensor panel is disclosed. Each of a plurality of sense channels can be coupled to a column in a touch sensor panel and can have one or more mixers. Each mixer in the sense channel can utilize a circuit capable generating a demodulation frequency of a particular frequency. At each of multiple steps, various phases of one or more selected frequencies can be used to simultaneously stimulate the rows of the touch sensor panel, and the one or more mixers in each sense channel can be configured to demodulate the signal received from the column connected to each sense channel using the one or more selected frequencies. After all steps have been completed, the demodulated signals from the one or more mixers can be used in calculations to determine an image of touch for the touch sensor panel at each of the one or more frequencies.
摘要翻译： 公开了使用具有一个或多个频率和一个或多个相位的多个刺激信号来产生触摸传感器面板上的触摸图像。 多个感测通道中的每一个可以耦合到触摸传感器面板中的列并且可以具有一个或多个混合器。 感测通道中的每个混频器可以利用能够产生特定频率的解调频率的电路。 在多个步骤中的每个步骤中，可以使用一个或多个所选频率的各个相位来同时刺激触摸传感器面板的行，并且每个感测通道中的一个或多个混频器可被配置为解调从连接的列接收的信号 使用一个或多个所选择的频率到每个感测信道。 在完成所有步骤之后，可以在计算中使用来自一个或多个混频器的解调信号，以在一个或多个频率中的每一个处确定触摸传感器面板的触摸图像。
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公开(公告)号：US09317165B2
公开(公告)日：2016-04-19
申请号：US14157737
申请日：2014-01-17
申请人： Apple Inc.
CPC分类号： G06F3/044 , G06F3/0416 , G06F2203/04103 , G06F2203/04104 , Y10T29/43
摘要： A touch sensor panel having co-planar single-layer touch sensors fabricated on a single side of a substrate is disclosed. The drive and sense lines can be fabricated as column-like patterns in a first orientation and patches in a second orientation, where each column-like pattern in the first orientation is connected to a separate metal trace in the border area of the touch sensor panel, and all patches in each of multiple rows in the second orientation are connected together using a separate metal trace in the border area of the touch sensor panel. The metal traces in the border areas can be formed on the same side of the substrate as the patches and columns, but separated from the patches and column-like patterns by a dielectric layer.
摘要翻译： 公开了一种在基板的单面上制造的具有共面单层触摸传感器的触摸传感器面板。 驱动和感测线可以制造成呈第一取向的柱状图案并且以第二取向贴片，其中第一取向中的每个柱状图案连接到触摸传感器面板的边界区域中的单独的金属迹线 并且在第二方向中的多行中的每一行中的所有贴片使用触摸传感器面板的边界区域中的单独的金属迹线连接在一起。 边界区域中的金属迹线可以形成在基板的与贴片和列相同的一侧上，但是通过电介质层与贴片和列状图案分离。
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公开(公告)号：US09310912B2
公开(公告)日：2016-04-12
申请号：US14273403
申请日：2014-05-08
申请人： Apple Inc.
CPC分类号： G06F3/044 , G06F3/041 , G06F3/0418 , G06F2203/04104 , G06F2203/04108
摘要： Pre-stored no-touch or no-hover (no-event) sensor output values can initially be used when a sensor panel subsystem is first booted up to establish an initial baseline of sensor output values unaffected by fingers or other objects touching or hovering over the sensor panel during boot-up. This initial baseline can then be normalized so that each sensor generates the same output value for a given amount of touch or hover, providing a uniform response across the sensor panel and enabling subsequent touch or hover events to be more easily detected. After the initial normalization process is complete, the pre-stored baseline can be discarded in favor of a newly captured no-event baseline that may be more accurate than the pre-stored baseline due to temperature or other variations.
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