CN101436111B - 力成像输入设备和系统 - Google Patents

力成像输入设备和系统 Download PDF

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CN101436111B
CN101436111B CN2008101709772A CN200810170977A CN101436111B CN 101436111 B CN101436111 B CN 101436111B CN 2008101709772 A CN2008101709772 A CN 2008101709772A CN 200810170977 A CN200810170977 A CN 200810170977A CN 101436111 B CN101436111 B CN 101436111B
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conducting wire
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斯蒂文·P·豪泰灵
布赖恩·Q.·赫普
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    • G06—COMPUTING; CALCULATING OR COUNTING
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    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0447—Position sensing using the local deformation of sensor cells
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04101—2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
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    • G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

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Abstract

本发明提供一种力成像输入设备和系统。更具体地，提供一种力感应触摸板，其包括被弹簧膜片分隔的第一组和第二组导电线路。当施加力时，弹簧膜片变形，将所述两组线路移动得更为接近。所得的互电容变化将用于产生指示所施加力的量和强度的图像。组合的位置和力成像触摸板包括两组驱动线路，一组感应驱动线路和弹簧膜片。在操作中，驱动线路之一与该组感应线路结合使用，产生一个或更多个物体与触摸板相接触的位置的图像。第二组驱动线路与感应线路和弹簧膜片结合使用，以产生所施加力的力度或强度的图像。

Description

力成像输入设备和系统
本申请是申请号为200710089811.3、申请日为2007年3月30日、发明名称为“力成像输入设备和系统”的专利申请的分案申请。
技术领域
本发明总体上涉及电子系统输入设备，更具体的，涉及力成像以及位置和力成像互电容系统。
背景技术
有许多触摸传感设备可用在计算机系统、个人数字助理、移动电话、游戏系统、音乐系统等(如电子系统)中。可能最为人知的是电阻膜片位置传感器，其多年来已被用作键盘和位置指示器。其他类型的触敏设备包括电阻型书写板，表面声波设备，基于电阻、电容的触摸传感器，应变计，电磁传感器或压力传感器，以及光学传感器。压力感应位置传感器作为定点设备(与数据输入或书写设备不同)，过去几乎没有使用优点，这是因为使它们运行所需的压力固有地产生手指与传感器表面之间的静摩擦。该静摩擦在很大程度上妨碍了这些设备变得普及。
由于便携式设备的日益普及以及伴随的将所有输入功能集成到单个形式因子(single form factor)中的需要，触摸板现在是最普及并广泛使用类型的输入设备中的一种。从操作方面看，触摸板可分类为“电阻型”或“电容型”。在电阻型触摸板中，该板涂覆有薄金属导电层和电阻层。当触摸该板时，这些导电层经由电阻层进行接触，使得电阻发生变化(通常表示为电流变化)，这用于识别该板上的发生触摸事件的位置。在电容型触摸板中，第一组导电线路在第一方向上运行，并且通过介电绝缘体与在第二方向(通常与第一方向垂直)上运行的第二组导电线路绝缘。由交叠的导电线路形成的网格产生可以存储电荷的电容器阵列。当使一物体接近触摸板或与触摸板接触时，该位置处的电容器的电容发生变化。该变化可用于识别触摸事件的位置。
使用触摸板作为输入设备的一个缺点是它们通常提供压力或力信息。力信息可用于获得对于用户如何操控设备的更为鲁棒的指示。即，可使用力信息作为另一输入元，以将命令和控制信号提供给相关电子设备。由此，提供力测量系统作为触摸板输入设备的一部分将是有利的。
发明内容
在本发明的一个实施例中提供了一种力感应触摸板，其包括被弹簧膜片(spring membrane)分隔的第一组和第二组导电线路。当施加力时，弹簧膜片变形，将所述两组线路移动得更为接近。所得的互电容变化将用于产生指示所施加力的位置(相对于触摸板的表面)以及力度或强度的图像。在另一实施例中，本发明提供了一种组合的位置和力感应触摸板，其包括两组驱动线路，一组感应线路和一弹簧膜片。在操作中，驱动线路之一与该组感应线路结合使用，以产生一个或更多个物体与触摸板相接触的位置的图像。第二组驱动线路与感应线路和弹簧膜片结合使用，以产生所施加力的力度或强度及其相对于触摸板表面的位置的图像。根据本发明的力触摸板以及位置和力触摸板可以并入各种电子设备中，以便于识别增加的用户操控阵列。
在又一实施例中，所述力感应结构可用于实现能够检测用户施加到显示器(如液晶显示单元)的力量的显示器。可以使用根据本发明实施例的显示单元，以便于识别增加的用户输入阵列。
附图说明
图1以分解图的形式示出了根据本发明一个实施例的力检测器。
图2A和2B以截面图的形式示出了根据图1的未负重(A)和负重(B)力检测器。
图3以框图的形式示出了根据本发明一个实施例的力检测系统。
图4以框图的形式示出了根据图3的力检测系统的更具体视图。
图5以截面图的形式示出了根据本发明一个实施例的位置和力检测设备。
图6以截面图的形式示出了根据本发明另一实施例的位置和力检测设备。
图7以分解图的形式示出了根据图6的驱动线路和感应线路。
图8A-8C示出了根据本发明又一实施例的位置和力检测设备的各种视图。
图9A-9C示出了根据本发明又一实施例的位置和力检测设备的各种视图。
图10A和10B以截面图的形式示出了根据本发明另一实施例的位置和力检测设备。
图11A-11C示出了根据本发明另一实施例的弹簧膜片的各种视图。
图12A和12B以框图的形式示出了根据本发明一个实施例的力检测显示系统。
具体实施方式
进行以下描述以使得本领域技术人员能够执行并且利用权利要求所述的本发明，并且以下描述是针对下面讨论的具体示例(用于个人计算机系统的触摸板输入设备)提供的，其各种变型对于本领域技术人员是显而易见的。因此，所附权利要求并不限于所公开的实施例，而是可以依照与本文所公开的原理和特征一致的最宽范围。例如，根据本发明的力成像系统同样可应用于不是个人计算机系统的电子设备，如计算机工作站、移动电话、手持数字助理、以及用于各种(化学的、电的和电子的)机器和系统的数字控制面板。
参照图1，根据本发明的力检测器的一般概念被例示为其可以在触摸板设备100中实施。如所例示的，力检测器100包括装饰层(cosmetic layer)105、感应层110(包括导电路径115和电连接器145)、介电弹簧层125(包括空间偏移的升高结构130)、驱动层135(包括导电路径140和电连接器145)以及基底或支撑物150。(本领域技术人员应当理解，连接器120和145分别提供对于层110和135上的每个导电线路的唯一连接)。
装饰层105用于保护该系统的其他元件不受环境情况(如灰尘和湿气)的影响，还提供用户与检测器100交互的表面。感应层110上的导电路径115被布置为使得它们覆盖驱动层135上的导电路径140，由此形成多个电容，这些电容的板(导电路径115和140)被感应层基板110、介电弹簧层125和升高结构130分隔。介电弹簧层125和升高结构130一起形成一机构，通过该机构，当对装饰层105施加力时，感应层110的导电路径115更为邻近驱动层135的导电路径140。应当认识到，间隔的变化使得感应层与驱动层导电路径(115和140)之间的互电容发生变化(增大)，该变化指示了施加到装饰层105的力的量、强度或力度。基底或支撑层150为力检测器100提供结构整体性。
参照图2A，示出了未负重或者“未施力”状态下的力检测器100的截面图。在该状态下，感应层110与驱动层135导电路径(115和140)之间的互电容导致稳定状态或静止电容信号(如经由图1的连接器120和145测量到的)。参照图2B，当对装饰层105施加外力200时，介电弹簧层105变形，从而感应层110移动得更为接近驱动层135。这继而导致感应层和驱动层之间的互电容的变化(增大)——与这两层之间的距离近似单调相关、因而与所施加力200的强度或力度单调相关的变化。更具体的，在操作期间，线路140(在驱动层135上)被一次一个地电激励，并且对与被激励的线路以及每个线路115(感应层110上)相关联的互电容进行测量。通过这种方式，获得施加到装饰层105的力200的力度或强度的图像。如上所述，互电容的该变化可以通过适当的电路来确定。
参照图3，示出了使用力检测器触摸板100的力成像系统300的框图。如所例示的，力成像系统300包括通过连接器120(用于感应信号310)和145(用于驱动信号315)耦合到触摸板控制器305的力检测器100。触摸板控制器305进而周期性地将表示施加到检测器100的力的(空间)分布的信号发送到主处理器320。主处理器320可以将力信息解释为执行指定的命令和控制行为(如，选择显示在显示单元325上的物体)。
参照图4，在操作期间，触摸板控制器305中的驱动电路400进而将一电流通过驱动信号315和连接器145发送(“驱动”)到多个驱动层导电路径140(参见图1)中的每一个。因为电容性耦合，该电流中的一些被携带到多个感应层导电路径115(参见图1)中的每一个。感应电路405(如，电荷放大器)检测来自感应信号310的模拟信号(经由连接器120)，并且将它们发送到分析电路410。分析电路410的一个功能是将检测到的模拟电容值转换成数字形式(如，通过A到D转换器)。分析电路的另一功能是对多个数字化电容值进行排队，以传送到主处理器320(参见图3)。分析电路的另一功能是控制驱动电路400，并且可能地动态调整感应电路405的操作(如，通过改变检测到电容“改变”的阈值)。在由Steve Hotelling，Christoph Krah和Brian Huppi于2006年3月15日提交的名为“Multipoint TouchScreen Controller”的序号为10/999,999的美国专利申请中描述了适于在本发明中使用的控制器305的一个实施例，在此通过引用并入该申请。
在另一实施例中，将根据本发明的力检测器与电容位置检测器相结合，以产生提供位置和力检测的触摸板设备。参照图5，组合的位置和力检测器500包括：装饰层505；电路板或衬底510(包括在第一表面上的第一多个导电驱动路径515和第二表面上的多个感应路径520)；介电弹簧层525(包括交替的或空间偏移的升高结构530)；驱动层535(包括第二多个导电驱动路径)；以及基底或支撑物540。在一个实施例中，导电驱动路径515和535分别放置在衬底510和支撑物540上以形成多行，感应导电路径放置在衬底510上以形成多列。因此，在操作期间，在第一时间段期间，驱动多个第一驱动路径515(一次一个)，在此时间段期间，询问感应路径520以获得表示一次或更多次装饰层触摸的位置。类似的，在第二时间段期间驱动多个第二驱动路径535(一次一个)，在此时间段期间，再次询问感应路径520以获得表示在此时间期间施加到装饰层505的力的力度或强度的图像。在Steve Hotelling，Joshua A.Strickon和Brian Q.Huppi的序号为10/840,862的名为“Multipoint Touchscreen”的美国专利申请中描述了基于互电容原理的用于触摸检测的计算机输入设备(如，触摸板)的操作，在此通过引用并入该申请。
参照图6，以截面图的形式示出了根据本发明另一实施例的位置和力触摸板600。在该实施例中，装饰层605包括聚酯或聚碳酸酯膜。层610包括基于丙烯酸的压力感应或紫外线光固化粘合剂。层615用作双侧电路板，其具有在“顶”表面上的取向为第一方向(即，朝向装饰层605)的第一多个导电驱动线路620，以及在“底”表面上的取向为第二方向的多个导电感应线路625。在一个实施例中，电路衬底层615包括低温塑料或热塑树脂，如聚对苯二甲酸乙二醇酯(“PET”)。在该实施例中，驱动线路620和感应线路625可以包括印刷银墨。在另一实施例中，电路衬底层615包括柔性电路板、或玻璃纤维或玻璃，并且驱动和感应线路(620和625)包括氧化铟锡(“ITO”)或铜。在一个实施例中，层630包括层叠组合，由粘合剂-PET-粘合剂组成，其中粘合剂组分如上面对于层610描述的。层635、640和645包括各种厚度的PET。如所示的，层640的“底”表面上粘附有第二多个导电驱动线路650，取向基本上与第一导电驱动线路620相同。升高并且空间偏移的支撑结构655和层660还包括层叠组合，由粘合剂-PET-粘合剂组成(类似于层630，如所示的)。层605到660粘附到基底或硬化板665，并受其支撑。例如，在便携式或笔记本计算机系统中，基底665可以由刚性材料形成，如作为计算机系统框架的一部分的金属冲件。类似的，基底665可以是个人数字助理或者移动电话内的内部框架。表1标识了触摸板600的一个实施例的层600到660中的每一层的厚度。
表1：例示性触摸板600的尺寸
Figure G2008101709772D0007084327QIETU
在操作中，触摸板600通过驱动线路620与感应线路625之间的互电容，测量由于在一个或更多个位置处触摸装饰层605引起的电容的变化(如减小)。在如上所述的方式中，当通过测量到的感应线路625和驱动线路650之间的互电容的变化(如，增大)，发现感应线路625和驱动线路650更为接近时，触摸板600还测量施加到装饰层的力。在此实施例中，升高结构655用在驱动线路(650)的第二层的两面上，以提供附加的移动检测功能。
在测量操作期间，进而激励每个驱动线路620，同时，测量驱动线路620与感应线路625之间的互电容的变化。一旦每个驱动线路620都被激励(并且经由感应线路测量到电容的对应变化)，每个驱动线路650进而被驱动，并且感应线路625被用于确定与力相关的互电容(即，由于所施加的力而引起的线路625与650之间的互电容的变化)的变化。通过这种方式，可以获得对于装饰层605的“触摸”输入和“力”输入的图像。
本领域技术人员应当认识到，上述“扫描”序列并非必需的。例如，可以交叠方式激励驱动线路620和650，以使得驱动线路620中的第一线路被激励，随后是驱动线路650中的第一线路，再后是驱动线路620中的第二线路，等等。另选的，可以首先激励驱动线路620中的线路组，随后是驱动线路650中的线路组，等等。
在一个实施例中，驱动线路620(与触摸位置测量操作相关)使用来自驱动线路650(与力测量操作相关)和感应线路625(在位置和力测量操作期间使用)的不同几何特征(geometry)。参照图7，可以看到，驱动线路620使用采用内部浮置板结构700的导电线路，此外，驱动线路620在物理上大于在感应线路625和驱动线路650(在所例示的实施例中，这两个线路都具有相同的物理尺寸/结构)中使用的导电线路。已经发现，该结构提供了对于确定装饰表面605上的、一个或更多个物体(如，手写笔的手指)触摸或紧密接触的位置的增加灵敏度。
参照图8A，在根据本发明的组合的触摸和力感应触摸板的另一实施例(触摸板800)中，升高结构655可以被垫圈或聚合物圆点805(也称为橡胶或弹性体圆点)所代替。在该实施例中，垫圈805以类似于升高结构655(参见图6)的方式操作。如图所示，垫圈805依靠在薄粘合剂层810上，并且其大小使得当不存在施加的力时，层630和640保持特定距离。垫圈805的一个例示性布局和间隔在图8B(顶视图(lop view))和8C(截面图)中示出。表2表示了与先前例示的触摸板600不同的触摸板800的每个组件的大致尺寸。
表2：例示性触摸板600的尺寸
Figure G2008101709772D0009084437QIETU
参照图9A，在根据本发明的组合触摸和力感应触摸板的又一实施例(触摸板900)中，使用单层的可变形垫圈或弹性体圆点905。在触摸板900中，薄粘合剂层910用于将垫圈与触摸板结构的剩余部分以及其本身的结构与基底665机械耦合。在图9B(顶视图)和9C(截面图)中示出了可变形垫圈905的一个例示性布局和间隔。表3表示与先前所例示的触摸板600不同的触摸板900的每个组件的大致尺寸。
表3：例示性触摸板900的尺寸
Figure G2008101709772D0010084536QIETU
参照图10A，在根据本发明的组合触摸和力感应触摸板的另一实施例(触摸板1000)中，使用弹簧膜片1005，代替升高结构(如，530和655)或者可变形垫圈(如，805和905)。在触摸板1000中，薄粘合剂层1010用于将PET弹簧1005机械耦合到层635和640以及将层645机械耦合到基底665。参照图10B，在一个实施例中，弹簧膜片包括单个PET波纹片，其波纹率(run-to-rise ratio)(即，a/b)一般在大约10:1到50:1的范围内。本领域技术人员将认识到，在任何给定实施例中使用的确切值可能由于各种因素而改变，例如，触摸板表面的物理尺寸、对于完全挠曲(full deflection)指定的重量(如，200克)，以及期望呈现给用户的“硬度”感。表4表示与先前例示的触摸板600不同的触摸板1000的每个部件的大致尺寸。
表4：例示性触摸板1000的尺寸
Figure G2008101709772D0011084622QIETU
参照图11A，在另一实施例中，波纹弹簧膜片1005可以被有波纹的(dimpled)弹簧膜片1105代替。在此实现中，弹簧膜片1105是单个可变形材料片(如PET)，其中通过例如热或真空成形技术形成有波纹。图11B和11C示出了两个可能的波纹结构的顶视图。在图11B和11C中示出了有波纹的膜片1105的两个例示性布局(顶视图)。如图11A-11C中所使用的，“+”号表示升高区域，“-”号表示降低区域。表5表示图11A中规定的“a”到“e”的大致尺寸。
表5：例示性触摸板1100的尺寸
Figure G2008101709772D00113
在不脱离所附权利要求的范围的情况下可以进行材料、组件和电路元件的各种改变。例如，根据图1到10的驱动线路和感应线路被描述为垂直的。然而，驱动线路穿过感应线路或者与感应电路交叉的方式通常取决于所使用的坐标系。例如，在笛卡尔坐标系中，感应线路与驱动线路垂直，由此形成具有不同的x和y坐标的节点。另选的，在极坐标系中，感应线路可能是同心圆，而驱动线路可能是径向延伸线(或者反之)。
此外，在图1和2的实施例中，驱动层135和驱动线路140(因此，连接器145)可以并入弹簧膜片125中并且在其上。即，驱动线路140可以放置在柔性膜片125的表面上或刻蚀在该表面上。类似的，驱动线路535可以并入柔性膜片125中并作为其一部分(参见图5)。
本领域技术人员将认识到，根据图8和9的垫圈(参见图8和9)还可代替升高结构130、530和655(参见图1、2A、2B、5和6)来使用。类似的，弹簧机构1005(参见图10)和1105(参见图11)可以代替垫圈805(参见图8)、可变形垫圈805和905(参见图8和9)或者上升结构130、530和655(参见图1、5和6)来使用。
参照图12A，在另一实施例中，根据本发明的力检测可以并入显示单元中而不是触摸板中。例如，系统1200包括处理器1205、标准输入-输出(“I/O”)设备1210(如，键盘、鼠标、触摸板、游戏杆和声音输入)，以及包含有根据本发明的检测功能的显示器1215。参照图12B，在本实施例中，显示器1215包括显示元件1220、显示元件电子器件1225、力元件1230和力电子器件1235。通过这种方式，用户1240通过力元件1230查看显示器1200的显示元件1220。例如，显示元件1220和电子器件125可以包括常规液晶显示(“LCD”)显示器。力元件1230可以包括仅力传感器(如，类似于图1和2的实施例)或者力和位置传感器(如，类似于图5-11的实施例)。力电子器件1235可以包括图4所述的处理电路。即，力电子器件1235能够驱动并感应互电容信号，如结合根据本发明的触摸板所描述的。
本领域技术人员将认识到，当将所描述的力检测技术应用于显示器1215时，该力检测技术的使用应当利用诸如由ITO提供的透明或基本透明的驱动和感应线路(即，不是非透明的铜)。类似的，用于检测所施加的力的第一层线路(如，驱动线路)与第二层线路(如，感应线路)之间的间隙(如上所述)应当透明或者基本透明。例如，可压缩透明隔体可以用于实现偏移升高结构130、支撑结构655、可变形垫圈805、905或弹性膜片1005、1105。

Claims (21)

1.一种力成像触摸板，包括：
装饰层；
与装饰层相邻的感应层，在其第一表面上具有取向为第一方向的第一多个导电线路；
驱动层，在其第一表面上具有取向为第二方向的第二多个导电线路；以及
可变形介电膜片，并置于感应层与驱动层之间，当对装饰层施加力时，该可变形介电膜片可变形以使得第一多个导电线路更为邻近第二多个导电线路，
其中在对装饰层施加力时，第一多个导电线路和第二多个导电线路适于产生电容图像，该电容图像指示所施加力的强度。
2.根据权利要求1所述的力成像触摸板，其中第一多个导电线路和第二多个导电线路垂直。
3.根据权利要求1所述的力成像触摸板，其中可变形介电膜片包括：
平坦的膜片，具有取向为朝向感应层的第一表面和取向为朝向驱动层的第二表面；
第一多个升高结构，耦合到所述平坦的膜片的第一表面；以及
第二多个升高结构，耦合到所述平坦的膜片的第二表面，其中第二多个升高结构从第一多个升高结构偏移。
4.根据权利要求1所述的力成像触摸板，其中可变形介电膜片包括：
平坦的膜片；以及
多个可变形垫圈，粘附到所述平坦的膜片的一个表面，其中在对装饰层施加朝向驱动层的力时，可变形垫圈适于压缩。
5.根据权利要求1所述的力成像触摸板，其中可变形介电膜片包括一个或更多个热塑弹簧。
6.根据权利要求1所述的力成像触摸板，其中可变形介电膜片包括有波纹的可变形膜片。
7.根据权利要求5所述的力成像触摸板，其中热塑弹簧包括聚对苯二甲酸乙二醇酯。
8.根据权利要求1所述的力成像触摸板，进一步包括与第一多个导电线路和第二多个导电线路电耦合的互电容测量电路。
9.一种力成像触摸板，包括：
装饰层；
与装饰层相邻的感应层，在其第一表面上具有取向为第一方向的第一多个导电线路；
可变形介电膜片，具有第一表面和第二表面，所述第一表面与感应层并置，所述第二表面具有取向为第二方向的第二多个导电线路，当对装饰层施加力时，该可变形介电膜片可变形以使得第一多个导电线路更为邻近第二多个导电线路；
其中在对装饰层施加力时，第一多个导电线路和第二多个导电线路适于产生电容图像，该电容图像指示所施加力的强度。
10.根据权利要求9所述的力成像触摸板，其中第一多个导电线路和第二多个导电线路垂直。
11.根据权利要求9所述的力成像触摸板，其中可变形介电膜片包括：
平坦的膜片，具有第一表面和第二表面；
第一多个升高结构，耦合到所述平坦的膜片的第一表面；以及
第二多个升高结构，耦合到所述平坦的膜片的第二表面，其中第二多个升高结构从第一多个升高结构偏移。
12.根据权利要求9所述的力成像触摸板，其中可变形介电膜片包括：
平坦的膜片，具有第一表面和第二表面；以及
多个可变形垫圈，粘附到所述平坦的膜片的一个表面，其中在对装饰层施加朝向驱动层的力时，可变形垫圈适于压缩。
13.根据权利要求9所述的力成像触摸板，进一步包括与第一多个导电线路和第二多个导电线路电耦合的互电容测量电路。
14.根据权利要求9所述的力成像触摸板，进一步包括在感应层的第二表面上的第三多个导电线路，其中可变形介电膜片比与第三多个导电线路更为接近地与第一多个导电线路并置，第三多个导电线路取向为第三方向，并且进一步其中在物体接触装饰层时，第一多个导电线路和第三多个导电线路适于产生电容图像，该电容图像指示相对于感应层的第一表面而言，物体接触装饰层的位置。
15.根据权利要求14所述的力成像触摸板，其中第二取向和第三取向相同，并且第一取向与它们垂直。
16.一种力成像显示器，包括：
显示元件；
驱动层，在其第一表面上具有取向为第一方向的第一多个透明的导电线路，该驱动层与显示元件的第一表面相邻；
感应层，在其第一表面上具有取向为第二方向的第二多个透明的导电线路，驱动层并置于感应层与显示元件之间；
与感应层相邻的装饰层；以及
可变形的透明介电膜片，并置于驱动层与感应层之间，当对装饰层施加力时，该可变形的透明介电膜片可变形以使得第一多个透明的导电线路更为邻近第二多个透明的导电线路；
其中在对装饰层施加力时，第一多个透明的导电线路和第二多个透明的导电线路适于产生电容图像，该电容图像指示所施加力的强度。
17.根据权利要求16所述的力成像显示器，其中显示元件包括液晶显示元件。
18.根据权利要求16所述的力成像显示器，其中驱动层和感应层包括氧化铟锡线路。
19.根据权利要求16所述的力成像显示器，其中第一多个透明的导电线路与第二多个透明的导电线路垂直。
20.根据权利要求16所述的力成像显示器，其中透明的可变形介电膜片包括：
平坦的膜片，具有取向为朝向驱动层的第一表面以及取向为朝向感应层的第二表面；
第一多个升高结构，耦合到所述平坦的膜片的第一表面；以及
第二多个升高结构，耦合到所述平坦的膜片的第二表面，其中第二多个升高结构从第一多个升高结构偏移。
21.根据权利要求16所述的力成像显示器，其中透明的可变形介电膜片包括：
平坦的膜片；以及
多个可变形垫圈，粘附到所述平坦的膜片的一个表面，其中在对装饰层施加朝向驱动层的力时，所述可变形垫圈适于压缩。
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