What is LCD Capacitive Touch Screen (Business Opportunities - Other Business Ads)

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What is LCD Capacitive Touch Screen


Capacitive touch screen technology USES the human body’s current induction to work. The capacitive touch screen is a four-layer composite glass screen. The inner surface of the glass screen and the interlayer are coated with one layer of ITO respectively. The outermost layer is a thin layer of silica soil glass protective layer. When the finger touches the metal layer, the user and the touch screen surface form a coupling capacitor due to the electric field in the human body.
The capacitor is a direct conductor to the high-frequency current, so the finger sucks a small current away from the contact point. The current flows from the electrodes at the four corners of the touch screen respectively, and the current flowing through the four electrodes is proportional to the distance from the fingers to the four corners. The controller calculates the precise proportion of the four currents to get the position of the touchpoint.
https://www.stoneitech.com/what-is-lcd-capacitive-touch-screen/
industrial software features introduction
https://www.stoneitech.com/


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Last Update : Aug 22, 2023 12:25 PM
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2024-05-23 (0.391 sec)