发明名称 |
TOUCH SENSOR MECHANISM AND MANUFACTURING METHOD THEREOF |
摘要 |
A touch sensor mechanism for a touch display device, includes a cover lens made by a transparent material having a dielectric constant greater than 4.5 and a compression strength greater than 700 MPa for generating a finger's touching capacitance (CF) while a user's finger of a user touch thereon; and a sensor device module including a plurality of sensor devices having a sensor parasitic capacitance (CP). The cover lens and the sensor device module are disposed in the touch display device in such a manner that a ratio of a standard deviation value (σU) of the finger's touching capacitance (CF) of the cover lens to the sensor parasitic capacitance (CP) of the sensor device module is a signal-to-noise ratio (SNR). The SNR is adjusted along with the finger's touching capacitance (CF) by reducing the thickness of the cover lens. |
申请公布号 |
US2014160059(A1) |
申请公布日期 |
2014.06.12 |
申请号 |
US201313794655 |
申请日期 |
2013.03.11 |
申请人 |
TERA XTAL TECHNOLOGY CORPORATION |
发明人 |
Chung Jun-Wen |
分类号 |
G06F3/044 |
主分类号 |
G06F3/044 |
代理机构 |
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代理人 |
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主权项 |
1. A touch sensor mechanism for a touch display device, comprising:
a cover lens made by a transparent material having a dielectric constant greater than 4.5 and a compression strength greater than 700 MPa for generating a finger's touching capacitance (CF) while a user's finger of a user touches thereon; and a sensor device module including a plurality of sensor devices having a sensor parasitic capacitance (CP); wherein the cover lens and the sensor device module are disposed in the touch display device in such a manner that a ratio of a standard deviation value (σU) of the finger's touching capacitance (CF) of the cover lens to the sensor parasitic capacitance (CP) of the sensor device module is a signal-to-noise ratio (SNR), the signal-to-noise ratio (SNR) is adjusted along with the finger's touching capacitance (CF) by reducing thickness of the cover lens.
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地址 |
Hsinchu City TW |