Custom Usb Touch Display Panel , Large Flat Panel Touch Screen 23.6 Inch

Structure & Operating Principle:

Capacitive touch screen is a piece of 2 layer of compound glass with double side transparent conductive coating that conducts a continuous electrical current across the sensor.

There is electrode pattern printed along the edges distributes a low voltage filed over the conductive layer.

The human body is also an electrical device which has stored electrons and therefore also exhibits capacitance.

When a finger touches the screen and draws a minute amount of current to the point of contact ,creating a voltage drop.

The current flow from each corner is proportional to the distance to the touch point. During a touch ,capacitance forms between the finger and the sensor grid. The touch location is calculated from the changing electrical characteristics of the sensor grid.

Projected Capacitive touch screen Features:
 
1) response speed fast, smooth touch.
 
2) flat panel, more high-end atmosphere, eliminating infrared touch screen surface with a groove edges are not allowed to shortcomings.
 
3) precision-touch capacitive screen is using the body's current-sensing.
 
4) accuracy up to 99% proficient in writing, no break no drift.
 
5) any point can withstand more than 50 million times touch.
 
6) Explosion-proof and durable, scratch-resistant, anti-collision, anti-radiation within the core capacitive touch ensure stable, anti-interference ability.
 
7) operating systems strong compatibility.
 
8) intelligent automatic calibration, use forinternal / external variety of environments.
 
9) long life, low maintenance costs.