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TOUCH PANEL FOR COMBINED CAPACITIVE TOUCH AND FORCE SENSING

机译:电容式触控和力感测的触控面板

摘要

A touch sensor (1) for combined capacitive touch and force sensing is described. The touch sensor (1) includes number plurality of first electrodes (4) and a number of second electrodes (5). The second electrodes (5) are insulated from the first electrodes (4). The first and second electrodes (4, 5) form a grid for capacitive touch sensing. The touch sensor (1) also includes a transparent cover (6). The touch sensor (1) also includes a transparent piezoelectric film (3) arranged between the transparent cover (6) and the first and second electrodes (4, 5). The touch sensor (1) also includes a patterned counter electrode (8) disposed between the transparent piezoelectric film (3) and the transparent cover (6). The patterned counter electrode (8) is a conductive grid formed from the union of plurality of counter electrode line elements (9). A pitch of the counter electrode line elements (9) is larger than a pitch of the first electrodes (4) and/or second electrodes (5).
机译:描述了用于电容式触摸和力感测的组合的触摸传感器(1)。触摸传感器(1)包括多个第一电极(4)和多个第二电极(5)。第二电极(5)与第一电极(4)绝缘。第一和第二电极(4、5)形成用于电容式触摸感测的栅格。触摸传感器(1)还包括透明盖(6)。触摸传感器(1)还包括布置在透明盖(6)与第一和第二电极(4、5)之间的透明压电膜(3)。触摸传感器(1)还包括设置在透明压电膜(3)和透明盖(6)之间的图案化对电极(8)。图案化的对电极(8)是由多个对电极线元件(9)的结合形成的导电格栅。对电极线元件(9)的间距大于第一电极(4)和/或第二电极(5)的间距。

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