How to implement LCD display resistive touch function

4-Wire Resistive Touch

As smart phone leading the touch screen trend, more and more applications like medical LCD display, industry TFT display are embedding touch panels into the LCD screen. There are several LCD touch screen implementations in the market. We are using the simplest 4-wire resistive touch as example, to explain the basic of LCD touch screen implementation.

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Song Bai Lu, Nan Shan Qu, Shen Zhen Shi, Guang Dong Sheng, China

TOPWAY LCD

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Resistive touch screens

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