WO2020132830A1 - 触摸确定方法及触摸装置 - Google Patents

触摸确定方法及触摸装置 Download PDF

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Publication number
WO2020132830A1
WO2020132830A1 PCT/CN2018/123193 CN2018123193W WO2020132830A1 WO 2020132830 A1 WO2020132830 A1 WO 2020132830A1 CN 2018123193 W CN2018123193 W CN 2018123193W WO 2020132830 A1 WO2020132830 A1 WO 2020132830A1
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Prior art keywords
touch
coordinate
touch panel
thickness
range
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PCT/CN2018/123193
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English (en)
French (fr)
Inventor
李建鹏
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深圳市柔宇科技有限公司
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Priority to CN201880097616.1A priority Critical patent/CN113168250A/zh
Priority to PCT/CN2018/123193 priority patent/WO2020132830A1/zh
Publication of WO2020132830A1 publication Critical patent/WO2020132830A1/zh
Priority to US17/356,979 priority patent/US20210325992A1/en

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    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • 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
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • G06F3/04186—Touch location disambiguation

Definitions

  • the present invention relates to the field of touch technology, and in particular to a touch determination method and touch device.
  • Fig. 1a in a flat touch screen with a uniform thickness, the position where the sensing amount is concentrated is the center of the touch;
  • Fig. 1b in the curved touch screen, the peak of the sensing amount deviates toward the edge due to the small thickness of the edge Shift, causing the center position of the touch to shift, affecting the accuracy of touch detection.
  • the embodiments of the present invention disclose a touch determination method and a touch device for improving touch detection accuracy.
  • a touch determination method applied to a touch panel with a non-uniform thickness including: acquiring position coordinate ranges (x a , x b ) based on sensing signal data generated by a user's touch operation on the touch panel; selecting the A coordinate x m in the position coordinate range (x a , x b ) is compensated according to the coordinate x m to obtain the touch center position coordinate.
  • a touch device includes a touch panel with an uneven thickness and a processor, the touch panel is used to generate sensing signal data according to a user's touch operation, and the processor is used to obtain position coordinates based on the sensing signal data A range (x a , x b ), and selecting one coordinate x m in the position coordinate range (x a , x b ), and compensating according to the coordinate x m to obtain the coordinates of the touch center position.
  • the touch determination method and touch device provided by the present invention obtain the touch center position coordinates by selecting one coordinate x m in the sensed position coordinate range (x a , x b ) and compensating according to the coordinate x m , thereby improving Touch detection accuracy.
  • FIG. 1a is a schematic diagram of the distribution of the sensed amount when the user touches and operates the flat touch screen in the prior art.
  • FIG. 1b is a schematic diagram of the distribution of the sensing amount when the user touches and operates the curved touch screen in the prior art.
  • FIG. 2 is a structural block diagram of a touch device provided by an embodiment of the present invention.
  • FIG. 3 is a schematic cross-sectional view of a touch panel provided by an embodiment of the present invention.
  • FIG. 4 is an enlarged schematic view of the partial area IV of the touch panel shown in FIG. 3.
  • FIG. 5 is a flowchart of a touch determination method provided by an embodiment of the present invention.
  • FIG. 2 is a structural block diagram of a touch device according to an embodiment of the present invention.
  • the touch device 10 includes a touch panel 11 and a processor 13 with uneven thickness.
  • the touch panel 11 is used to generate sensing signal data according to a user's touch operation.
  • the processor 13 is configured to acquire a position coordinate range (x a , x b ) according to the sensing signal data, that is, a coordinate range of the touch operation on the X axis, and select the position coordinate range (x a , x b a coordinate x m) in and compensated according to the acquired x m touch center position coordinate of the touch position coordinates located at the center position coordinate range (x a, x b) within.
  • the coordinates of the touch center are obtained by selecting the coordinates x m in the position coordinate range (x a , x b ) for compensation, thereby improving the touch detection accuracy of the touch device 10.
  • the touch panel 11 is a capacitive curved touch panel.
  • the thickness y and the coordinate x of the touch panel 11 at any position coordinate x within the position coordinate range (x a , x b ) satisfy the curve formula.
  • the position coordinate range (x a , x b ) is the x coordinate range extending along the surface of the touch panel 11.
  • the touch surface 113 of the touch panel 11 is an arc surface, and the cross section of the touch panel 11 is substantially arc-shaped.
  • curve formula is not limited to a sine function, and the curve formula may also be other curve formulas, such as a cosine function.
  • the touch surface 113 may not be a curved surface, the touch surface 113 may be other curved structures, the touch surface 113 may also be a flat surface, and the touch panel 11 has an uneven thickness in the position coordinate range (x a , x b ).
  • the processor 13 arbitrarily selects one coordinate x m in the position coordinate range (x a , x b ).
  • the processor 13 obtains the actual thickness y m of the touch panel 11 at the position corresponding to the coordinates x m and determines the compensation coefficient according to the actual thickness y m , including: any position coordinates x m within the position coordinate range (x a , x b )
  • the actual thickness y m at the location is converted to a uniform thickness h, and a touch panel model with a uniform thickness h in the position coordinate range (x a , x b ) is established; the compensation coefficient is determined according to the actual thickness y m and the uniform thickness h.
  • the uniform thickness h is not limited to the actual thickness y b of the touch panel 11 at the position coordinate x b .
  • the uniform thickness h may be set to other values, for example, h is the average of y a and y b .
  • the touch panel model has no uniform thickness h in the position coordinate range (x a , x b ), and the corresponding thickness of the touch panel model at any coordinate x is the same thickness.
  • the corresponding capacitance at the coordinate x m of the touch panel 11 Where ⁇ is the dielectric constant, and S is the relative area of the electrode at the corresponding position of the touch panel 11 at the coordinate x m .
  • the actual thickness y m of any coordinate x m in the position coordinate range (x a , x b ) is converted into a uniform thickness h.
  • the corresponding capacitance at the coordinate x m of the touch panel 11 is Then the capacitance at the coordinate x m of the touch panel model, that is, the capacitance after compensation
  • H is a uniform thickness corresponding to the actual thickness 11 of the touch panel coordinates x b y b, compensation coefficient
  • the processor 13 performs compensation according to the compensation coefficient to obtain the compensated sensing signal data.
  • the sensing signal data D at the same position coordinate is proportional to the capacitance C.
  • Sensing the coordinate x m data signals provided at the touch panel 11 is D m, D m and C is proportional to m.
  • the data of the sensed signal after compensation is D m ′.
  • D m ′ is proportional to the capacitance Cm′ after compensation
  • the processor 13 determines the touch center coordinates through the compensated sensing signal data. Further, the processor 13 determines the virtual touch position of the touch panel model according to the compensated sensing signal data, where the virtual touch position is a touch center position coordinate. In this embodiment, the processor 13 determines the virtual touch position of the touch panel model according to the compensated sensing signal data through a preset algorithm (such as a PIXCIR algorithm or a centroid calculation method, etc.). It can be understood that the preset algorithm may also be implemented by using other algorithms.
  • a preset algorithm such as a PIXCIR algorithm or a centroid calculation method, etc.
  • the equivalent of having a non-uniform thickness in the range of the coordinate position (x a, x b) of the touch panel 11 of uniform thickness h considered model with a touch panel in the position coordinate range (x a, x b), by Based on the determination of the virtual touch position of the touch panel model, the coordinates of the touch center position on the touch panel 11 are determined.
  • the processor 13 can combine the selected coordinate x m and the compensation coefficient
  • the coordinates of the touch center position are obtained by multiplication calculation; the coordinate x m may not be selected arbitrarily, the coordinate x m may be obtained by a preset algorithm, for example Or other values.
  • the touch device 10 provided by the present invention is converted into a touch panel model with a uniform thickness h in the position coordinate range (x a , x b ) due to a touch panel with an uneven thickness in the position coordinate range (x a , x b ). Compensation determines the compensation coefficient, so as to obtain the coordinates of the touch center position and improve the touch detection accuracy.
  • the touch panel 11 is not limited to a capacitive touch panel, and the touch panel 11 may be another type of touch panel, such as a resistive touch panel and the like.
  • the present invention also provides a touch determination method, which is applied to a touch panel with a non-uniform thickness, and includes the following steps:
  • Step 501 Acquire position coordinate ranges (x a , x b ) according to the sensing signal data generated by the user's touch operation on the touch panel.
  • the touch panel is a capacitive curved touch panel.
  • Step 502 Select a coordinate x m in the position coordinate range (x a , x b ).
  • Step 503 acquiring the actual touch panel thickness y m x m corresponding to the coordinates and determine the compensation coefficient according to the actual thickness y m.
  • Said acquiring the actual thickness y m corresponding to the touch panel at the coordinate x m and determining the compensation coefficient according to the thickness y m include: the thickness y at any coordinate x m within the position coordinate range (x a , x b ) m is converted into a uniform thickness h, and a touch panel model with a uniform thickness h in the position coordinate range (x a , x b ) is established; the compensation coefficient is determined according to the thickness y m and the uniform thickness h as
  • the corresponding thickness y and coordinate x of the touch panel at any position coordinate x within the position coordinate range (x a , x b ) satisfy the curve formula.
  • the uniform thickness h is not limited to the actual thickness y b of the touch panel at the position coordinate x b , and the uniform thickness h may be set to other values, for example, h is the average of both y a and y b .
  • the touch panel model has no uniform thickness h in the position coordinate range (x a , x b ), and the corresponding thickness of the touch panel model at any coordinate x is the same thickness.
  • Step 504 Obtain the compensated sensing signal data according to the compensation coefficient.
  • the sensing signal data D at the same position coordinate is proportional to the capacitance C, for example, the corresponding sensing signal data D m at the coordinate x m of the touch panel is proportional to the capacitance C m .
  • the sensing signal data at the coordinate x m of the touch panel be D m
  • the compensated sensing signal data be D m ′. Similar, D m is proportional 'and the compensated capacitance C m',
  • Step 505 Determine the coordinates of the touch center position according to the compensated sensing signal data.
  • the virtual touch position of the touch panel model is determined according to the compensated sensing signal data, and the virtual touch position is the coordinate of determining the touch center position.
  • the virtual touch position of the touch panel model is determined by a preset algorithm based on the compensated sensing signal data.
  • the virtual touch position of the touch panel model is determined according to the compensated sensing signal data through a preset algorithm (such as a PIXCIR algorithm or a centroid calculation method, etc.). It can be understood that the preset algorithm may also be implemented by using other algorithms.
  • a touch determination method is applied to a touch panel with a non-uniform thickness, including: acquiring position coordinate ranges (x a , x based on sensing signal data generated by a user's touch operation on the touch panel b ); select one coordinate x m in the position coordinate range (x a , x b ), and compensate according to the coordinate x m to obtain the touch center position coordinate.
  • the selecting one coordinate x m in the sensing position range information (x a , x b ), and compensating according to the coordinate x m to obtain the coordinates of the touch center position includes: randomly selecting the sensing position range information (x a, x b) is a coordinate x m; obtaining the touch panel coordinate y m x m corresponding to the thickness of the compensation coefficient is determined according to the thickness and y m; acquiring sensed signal data compensated according to the compensation coefficient; According to the compensated sensing signal data, the coordinates of the touch center position are determined.
  • the touch panel and acquires the compensation coefficient is determined in accordance with the thickness corresponding to the coordinate y m x m y m of the thickness, comprising: an arbitrary position coordinate x m at a position within the range of coordinates (x a, x b)
  • the thickness at the location is converted to a uniform thickness h, and a touch panel model with a uniform thickness h is established in the position coordinate range (x a , x b );
  • the compensation coefficient is determined according to the thickness y m and the uniform thickness h as
  • the touch panel acquires the corresponding coordinates x m and y m at the actual thickness is determined according to the actual thickness of the compensation coefficient y m, further comprising: establishing a uniform thickness range with the position coordinates (x a, x b)
  • the determining the coordinates of the touch center position according to the compensated sensing signal data includes: determining the virtual touch position of the touch panel model according to the compensated sensing signal data, the virtual touch position being Touch the center position coordinates.
  • the corresponding thickness y and coordinate x of the touch panel at any position coordinate x within the position coordinate range (x a , x b ) satisfy the curve formula.
  • curve formula is a sine function formula.
  • the uniform thickness h of the actual thickness of the touch panel corresponding to the coordinate x b y b is the uniform thickness h of the actual thickness of the touch panel corresponding to the coordinate x b y b.
  • the position coordinate range (x a , x b ) is an x coordinate range extending along the surface of the touch panel.
  • the touch panel is not limited to a capacitive touch panel, and the touch panel may be other types of touch panels, such as a resistive touch panel and the like.

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  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
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Abstract

一种触摸确定方法及一种触摸装置（10），该触摸确定方法应用于一具非均匀厚度的触摸面板（11），包括：根据用户在触摸面板（11）的触摸操作而产生的感测信号数据，获取位置坐标范围(x a，x b)（501）；选取所述位置坐标范围(x a，x b)中的一个坐标x m（502），根据坐标x m进行补偿而得到触摸中心位置坐标。

Description

触摸确定方法及触摸装置 技术领域
本发明涉及触摸技术领域，特别涉及一种触摸确定方法及触摸装置。
背景技术
目前，越来越多电子设备配置了触摸屏，以增强人机交互性能。现有的触摸屏以平面设计为主，而未来越来越多的电子设备会以曲面设计为主流。然而，曲面触摸屏通常具不均匀的厚度，如此，会影响触摸精确坐标检测。例如，图1a，在具均匀厚度的平面式触摸屏中，感应量分布较为集中的位置为触摸中心位置；图1b，在弧面式触摸屏中，由于边缘厚度小，感应量的峰值往边缘发生偏移，致使触摸中心位置发生偏移，影响触摸检测精度。
发明内容
为解决上述问题，本发明实施例公开一种提高触摸检测精度的触摸确定方法及触摸装置。
一种触摸确定方法，应用于一具非均匀厚度的触摸面板，包括：根据用户在触摸面板的触摸操作而产生的感测信号数据，获取位置坐标范围(x a，x b)；选取所述位置坐标范围(x a，x b)中的一个坐标x m，根据坐标x m进行补偿而获取触摸中心位置坐标。
一种触摸装置，包括具不均匀厚度的触摸面板及处理器，所述触摸面板用于根据用户的触摸操作而产生感测信号数据，所述处理器用于根据所述感测信号数据获取位置坐标范围(x a，x b)，及选取所述位置坐标范围(x a，x b)中的一个坐标x m，以及根据坐标x m进行补偿而获取触摸中心位置坐标。
本发明提供的触摸确定方法及触摸装置，通过选取感测到的位置坐标范围(x a，x b)中的一个坐标x m，并根据坐标x m进行补偿而得到触摸中心位置坐标，从而提高了触摸检测精度。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1a为现有技术中的平面式触摸屏中经用户触摸操作时的感应量分布示意图。
图1b为现有技术中的弧面式触摸屏中经用户触摸操作时的感应量分布示意图。
图2为本发明实施方式提供的一种触摸装置的结构框图。
图3为本发明实施方式提供的触摸面板的截面示意图。
图4为图3所示触摸面板的局部区域IV的放大示意图。
图5为本发明实施方式提供的触摸确定方法的流程图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图2，图2为本发明实施方式提供的一种触摸装置的结构框图。触摸装置10包括具不均匀厚度的触摸面板11及处理器13。触摸面板11用于根据用户的触摸操作而产生感测信号数据。处理器13用于根据所述感测信号数据获取位置坐标范围(x a，x b)，即所述触摸操作在X轴上的坐标范围，并选取所述位置坐标范围(x a，x b)中的一个坐标x m，及根据所述x m进行补偿而获取触摸中心位置坐标，所述触摸中心位置坐标位于位置坐标范围(x a，x b)内。
通过选取所述位置坐标范围(x a，x b)中的坐标x m进行补偿而获取到触摸中心位置坐标，从而提高触摸装置10的触摸检测精度。
本实施方式中，请参阅图3与图4，触摸面板11为电容式曲面触摸面板。触摸面板11在位置坐标范围(x a，x b)内的任意位置坐标x处对应的厚度y与坐标x满足曲线公式。位置坐标范围(x a，x b)为沿着触摸面板11的表面延伸的x坐标范围。
本实施方式中，触摸面板11的触摸面113为弧面，触摸面板11的截面大致呈弧形，所述曲线公式为正弦函数公式，所述正弦函数公式表征为y＝Asinωx，其中A与ω为常数。
可以理解，不限定所述曲线公式为正弦函数，所述曲线公式也可以为其他曲线公式，例如余弦函数等。
可以理解，所述触摸面113可以不为弧面，触摸面113可以为其他曲面结构，触摸面113亦可以为平面，触摸面板11在位置坐标范围(x a，x b)具不均匀厚度。
具体的，用户对触摸面板11进行触摸操作时，触摸面板11的对应位置处的电容发生变化进而产生感测信号数据。处理器13根据感测信号数据获取位置坐标范围(x a，x b)。由于触摸面板11在所述位置坐标范围(x a，x b)内的任意位置坐标x处对应的厚度y与坐标x满足正弦函数公式，处理器13根据y＝Asinωx，计算获取到触摸面板11在位置坐标x a处的实际厚度y a，以及触摸面板11在位置坐标x b处的实际厚度y b。
处理器13任意选取位置坐标范围(x a，x b)中的一个坐标x m。处理器13获取触摸面板11在坐标x m对应位置处的实际厚度y m并根据实际厚度y m确定补偿系数，包括：将在位置坐标范围(x a，x b)内的任意位置坐标x m处的实际厚度y m转换为均匀厚度h，建立一在位置坐标范围(x a，x b)内具均匀厚度h的触摸面板模型；根据实际厚度y m与均匀厚度h确定补偿系数。本实施方式中，所述均匀厚度h为触摸面板11在位置坐标x b处的实际厚度y b。
可以理解，不限定均匀厚度h为触摸面板11在位置坐标x b处的实际厚度y b，均匀厚度h可以设为其他值，例如，h为y a与y b的均值。
可以理解，不限定所述触摸面板模型在位置坐标范围(x a，x b)内具均匀厚度h，所述触摸面板模型在任意坐标x处对应的厚度均为同一厚度。
进一步地，在触摸面板11的坐标x m处对应的电容
Figure PCTCN2018123193-appb-000001
其中，ε为介电常数，S为触摸面板11在坐标x m处的对应位置处的电极相对面积。
将在位置坐标范围(x a，x b)内任意坐标x m的实际厚度y m转换为均匀厚度h。在触摸面板11的坐标x m处对应的电容为
Figure PCTCN2018123193-appb-000002
则在所述触摸面板模型的坐标x m处对应的电容，即补偿后电容
Figure PCTCN2018123193-appb-000003
根据
Figure PCTCN2018123193-appb-000004
得到
Figure PCTCN2018123193-appb-000005
其中，
Figure PCTCN2018123193-appb-000006
为补偿系数。
本实施方式中，触摸面板11在所述位置坐标范围(x a，x b)内的任意位置坐标x处对应的实际厚度y满足曲线公式：y＝Asinωx，即y b＝Asinωx b，y m＝Asinωx m。均匀厚度h为触摸面板11在坐标x b处对应的实际厚度y b，补偿系数
Figure PCTCN2018123193-appb-000007
处理器13根据所述补偿系数进行补偿从而获取补偿后感测信号数据。
同一位置坐标的感测信号数据D与电容C成正比。设触摸面板11的坐标x m处的感测信号数据为D m，D m与C m成正比。补偿后感测信号数据为D m′，类似的，D m′与补偿后电容Cm’成正比关系，
Figure PCTCN2018123193-appb-000008
处理器13通过补偿后感测信号数据确定触摸中心坐标。进一步地，处理器13根据所述补偿后感测信号数据确定所述触摸面板模型的虚拟触摸位置，所述虚拟触摸位置为触摸中心位置坐标。本实施方式中，处理器13根据所述补偿后感测信号数据通过预设算法(例如PIXCIR算法或质心计算方法等)确定所述触摸面板模型的虚拟触摸位置。可以理解，所述预设算法也可以选用其他的算法实现。
换而言之，相当于将在位置坐标范围(x a，x b)具不均匀厚度的触摸面板11视为在位置坐标范围(x a，x b)具均匀厚度h的触摸面板模型，通过根据确定所述触摸面板模型的虚拟触摸位置，而确定触摸面板11上的触摸中心位置坐标。
可以理解，处理器13可以将选取的坐标x m与补偿系数
Figure PCTCN2018123193-appb-000009
相乘计算得到触 摸中心位置坐标；坐标x m可以不为任意选取，坐标x m可以通过预设算法获取，例如
Figure PCTCN2018123193-appb-000010
或者为其他值。
本发明提供的触摸装置10，由于在位置坐标范围(x a，x b)内具不均匀厚度的触摸面板转换为在位置坐标范围(x a，x b)具均匀厚度h的触摸面板模型进行补偿而确定补偿系数，从而获取触摸中心位置坐标，提高触摸检测精度。
可以理解，不限定触摸面板11为电容式触摸面板，触摸面板11可以为其他类型触摸面板，例如电阻式触摸面板等等。
请参阅图5，本发明还提供一种触摸确定方法，应用于一具非均匀厚度的触摸面板，包括以下步骤：
步骤501，根据用户在触摸面板的触摸操作而产生的感测信号数据，获取位置坐标范围(x a，x b)。本实施方式中，所述触摸面板为电容式曲面触摸面板。
步骤502，选取所述位置坐标范围(x a，x b)中的一个坐标x m。
步骤503，获取所述触摸面板在坐标x m处对应的实际厚度y m并根据实际厚度y m确定补偿系数。
所述获取所述触摸面板在坐标x m处对应的实际厚度y m并根据厚度y m确定补偿系数，包括：将在位置坐标范围(x a，x b)内任意坐标x m处的厚度y m转换为均匀厚度h，建立一在位置坐标范围(x a，x b)内具均匀厚度h的触摸面板模型；根据厚度y m与均匀厚度h确定所述补偿系数为
Figure PCTCN2018123193-appb-000011
本实施方式中，所述触摸面板在所述位置坐标范围(x a，x b)内的任意位置坐标x处对应的厚度y与坐标x满足曲线公式，本实施方式中，所述曲线公式为正弦函数公式，所述正弦函数公式表征为y＝Asinωx，其中A与ω为常数。所述均匀厚度h为所述触摸面板在位置坐标x b处的实际厚度y b。
在所述触摸面板的坐标x m处对应的电容为
Figure PCTCN2018123193-appb-000012
则在所述触摸面板模型的坐标x m处对应的电容，即补偿后电容
Figure PCTCN2018123193-appb-000013
根据
Figure PCTCN2018123193-appb-000014
得到
Figure PCTCN2018123193-appb-000015
其中，
Figure PCTCN2018123193-appb-000016
为补偿系数。本实施方式中，所述触摸面板在所述位置坐标范围(x a，x b)内的任意位置坐标x处对应的厚度 y满足曲线公式：y＝Asinωx，即y b＝Asinωx b，y m＝Asinωx m。均匀厚度h为所述触摸面板在坐标x b处对应的实际厚度y b，补偿系数
Figure PCTCN2018123193-appb-000017
可以理解，不限定均匀厚度h为所述触摸面板在位置坐标x b处的实际厚度y b，均匀厚度h可以设为其他值，例如，h为y a与y b两者的均值。
可以理解，不限定所述触摸面板模型在位置坐标范围(x a，x b)内具均匀厚度h，所述触摸面板模型在任意坐标x处对应的厚度均为同一厚度。
步骤504，根据补偿系数获取补偿后感测信号数据。
同一位置坐标的感测信号数据D与电容C成正比，例如，在所述触摸面板的坐标x m处对应的感测信号数据D m与电容C m成正比关系。设所述触摸面板的坐标x m处的感测信号数据为D m，而补偿后感测信号数据为D m′。类似的，D m′与补偿后电容C m′成正比关系，
Figure PCTCN2018123193-appb-000018
步骤505，根据补偿后感测信号数据确定触摸中心位置坐标。本实施方式中，根据补偿后感测信号数据确定所述触摸面板模型的虚拟触摸位置，所述虚拟触摸位置为确定触摸中心位置坐标。
本实施方式中，根据所述补偿后感测信号数据，通过预设算法确定所述触摸面板模型的虚拟触摸位置。例如，根据所述补偿后感测信号数据通过预设算法(例如PIXCIR算法或质心计算方法等)确定所述触摸面板模型的虚拟触摸位置。可以理解，所述预设算法也可以选用其他的算法实现。
在一实施方式中，一种触摸确定方法，应用于一具非均匀厚度的触摸面板，包括：根据用户在触摸面板的触摸操作而产生的感测信号数据，获取位置坐标范围(x a，x b)；选取所述位置坐标范围(x a，x b)中的一个坐标x m，根据坐标x m进行补偿而得到触摸中心位置坐标。
进一步地，所述选取所述感测位置范围信息(x a，x b)中的一个坐标x m，根据坐标x m进行补偿而得到触摸中心位置坐标，包括：任意选取所述感测位置范围信息(x a，x b)中的一个坐标x m；获取所述触摸面板在坐标x m处对应的厚度y m并根据厚度y m确定补偿系数；根据补偿系数获取补偿后感测信号数据；根据补偿后感测信号数据，确定触摸中心位置坐标。
进一步地，所述获取所述触摸面板在坐标x m处对应的厚度y m并根据厚度 y m确定补偿系数，包括：将在位置坐标范围(x a，x b)内的任意位置坐标x m处的厚度转换为均匀厚度h，建立在位置坐标范围(x a，x b)内具均匀厚度h的触摸面板模型；根据厚度y m与均匀厚度h确定所述补偿系数为
Figure PCTCN2018123193-appb-000019
进一步地，所述获取所述触摸面板在坐标x m处对应的实际厚度y m并根据实际厚度y m确定补偿系数，还包括：建立在位置坐标范围(x a，x b)内具均匀厚度h的触摸面板模型，所述根据补偿后感测信号数据，确定触摸中心位置坐标，包括：根据所述补偿后感测信号数据确定所述触摸面板模型的虚拟触摸位置，所述虚拟触摸位置为触摸中心位置坐标。
进一步地，所述触摸面板在位置坐标范围(x a，x b)内任意位置坐标x处对应的厚度y与坐标x满足曲线公式。
进一步地，所述曲线公式为正弦函数公式。
进一步地，所述均匀厚度h为所述触摸面板在坐标x b处对应的实际厚度y b。
进一步地，所述位置坐标范围(x a，x b)为沿着所述触摸面板的表面延伸的x坐标范围。
可以理解，不限定所述触摸面板为电容式触摸面板，所述触摸面板可以为其他类型触摸面板，例如电阻式触摸面板等等。
以上所述是本发明的优选实施例，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (17)

  1. 一种触摸确定方法，应用于一具非均匀厚度的触摸面板，其特征在于，所述方法包括：
    根据用户在触摸面板的触摸操作而产生的感测信号数据，获取位置坐标范围(x a，x b)；
    选取所述位置坐标范围(x a，x b)中的一个坐标x m，根据坐标x m进行补偿而得到触摸中心位置坐标。
  2. 如权利要求1所述的触摸确定方法，其特征在于，所述选取所述感测位置范围信息(x a，x b)中的一个坐标x m，根据坐标x m进行补偿而得到触摸中心位置坐标，包括：
    任意选取所述感测位置范围信息(x a，x b)中的一个坐标x m；
    获取所述触摸面板在坐标x m处对应的实际厚度y m并根据所述实际厚度y m确定补偿系数；
    根据补偿系数获取补偿后感测信号数据；
    根据补偿后感测信号数据，确定触摸中心位置坐标。
  3. 如权利要求2所述的触摸确定方法，其特征在于，所述获取所述触摸面板在坐标x m处对应的实际厚度y m并根据实际厚度y m确定补偿系数，包括：将在位置坐标范围(x a，x b)内的任意位置坐标x m处的厚度转换为均匀厚度h；根据实际厚度y m与均匀厚度h确定所述补偿系数为
    Figure PCTCN2018123193-appb-100001
  4. 如权利要求3所述的触摸确定方法，其特征在于，所述获取所述触摸面板在坐标x m处对应的实际厚度y m并根据实际厚度y m确定补偿系数，还包括：建立一在位置坐标范围(x a，x b)内具均匀厚度h的触摸面板模型，
    所述根据补偿后感测信号数据，确定触摸中心位置坐标，包括：根据所述补偿后感测信号数据确定所述触摸面板模型的虚拟触摸位置，所述虚拟触摸位置为触摸中心位置坐标。
  5. 如权利要求3所述的触摸确定方法，其特征在于，所述均匀厚度h为所述触摸面板在坐标x b处对应的实际厚度y b。
  6. 如权利要求2所述的触摸确定方法，其特征在于，所述触摸面板在位置坐标范围(x a，x b)内任意位置坐标x处对应的厚度y与坐标x满足曲线公式。
  7. 如权利要求6所述的触摸确定方法，其特征在于，所述曲线公式为正弦函数公式。
  8. 如权利要求1所述的触摸确定方法，其特征在于，所述位置坐标范围(x a，x b)为所述触摸操作沿着触摸面板的表面延伸的x坐标范围。
  9. 一种触摸装置，其特征在于，包括具不均匀厚度的触摸面板及处理器，所述触摸面板用于根据用户的触摸操作而产生感测信号数据，所述处理器用于根据所述感测信号数据获取位置坐标范围(x a，x b)，及选取所述位置坐标范围(x a，x b)中的一个坐标x m，以及根据坐标x m进行补偿而得到触摸中心位置坐标。
  10. 如权利要求9所述的触摸装置，其特征在于，所述处理器选取所述感测位置范围信息(x a，x b)中的一个坐标x m，根据坐标x m进行补偿而得到触摸中心位置坐标，包括：
    任意选取所述感测位置范围信息(x a，x b)中的一个坐标x m；
    获取所述触摸面板在坐标x m处对应的实际厚度y m并根据所述实际厚度y m确定补偿系数；
    根据补偿系数获取补偿后感测信号数据；
    根据补偿后感测信号数据，确定触摸中心位置坐标。
  11. 如权利要求10所述的触摸装置，其特征在于，所述处理器获取所述触摸 面板在坐标x m处对应的厚度y m并根据厚度y m确定补偿系数，包括：所述处理器将在位置坐标范围(x a，x b)内的任意位置坐标x m处的厚度转换为均匀厚度h；根据实际厚度y m与均匀厚度h确定补偿系数为
    Figure PCTCN2018123193-appb-100002
  12. 如权利要求11所述的触摸装置，其特征在于，所述处理器获取所述触摸面板在坐标x m处对应的厚度y m并根据厚度y m确定补偿系数，还包括：建立一在位置坐标范围(x a，x b)内具均匀厚度h的触摸面板的触摸面板模型，所述处理器根据补偿后感测信号数据，确定触摸中心位置坐标，包括：根据所述补偿后感测信号数据确定所述触摸面板模型的虚拟触摸位置，所述虚拟触摸位置为触摸中心位置坐标。
  13. 如权利要求12所述的触摸装置，其特征在于，所述均匀厚度h为所述触摸面板在坐标x b处对应的实际厚度y b。
  14. 如权利要求10所述的触摸装置，其特征在于，所述触摸面板在位置坐标范围(x a，x b)内任意位置坐标x处对应的厚度y与坐标x满足曲线公式。
  15. 如权利要求14所述的触摸装置，其特征在于，所所述曲线公式为正弦函数公式。
  16. 如权利要求9所述的触摸装置，其特征在于，所述触摸面板包括触摸面，所述触摸面为弧面。
  17. 如权利要求9所述的触摸装置，其特征在于，所述位置坐标范围(x a，x b)为所述触摸操作沿着触摸面板的表面延伸的x坐标范围。
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