触摸屏和触摸屏显示装置

Touch screen and touch screen display apparatus

Abstract

本发明提供一种触摸屏显示装置。该触摸屏显示装置包括一触摸结构、一反馈电路、一控制电路和一开关控制电路。该开关控制电路用于控制该触摸结构的电压的输入和输出。该控制电路通过该开关控制电路为该触摸结构提供工作电压,该反馈电路反馈该触摸结构的实际工作电压到该控制电路,该控制电路根据该实际工作电压对外力施加到该触控结构所形成的触控点的坐标进行计算。该触摸屏显示装置具有精度高的优点。本发明还提供一种应用在该触摸屏显示装置的触摸屏。
The present invention provides a touch screen display device which comprises a touch structure, a feedback circuit, a control circuit and a switching control circuit. The switching control circuit is used for controlling the input and output of the voltage of touch structure. The control circuit provides a working voltage for the touch structure through the switching control circuit. The feedbackcircuit feeds back the actual working voltage of touch structure to a control circuit. The touch screen display device has an advantage of high precision. The invention also provides a touch screen which is applied on the touch screen display device.

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Patent Citations (2)

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    CN-1582465-AFebruary 16, 2005伊梅森公司用于提供触感的方法和装置
    US-6118435-ASeptember 12, 2000Idec Izumi CorporationDisplay unit with touch panel

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