In recent years, the application of touch screens has gradually increased. Whether they are KTV songs or portable video players, they are competing to launch products equipped with touch screens. With more and more people touching touch screen products, touch screen products have also been recognized by more people in recent years, and the development speed is getting faster and faster.
The rapid growth of touch screens has made the competition more fierce and indirectly promoted the development of technology. There are many differences between capacitive touch screens and traditional resistive touch screens. The resistive touch screen can only judge one touch point at a time when working. If the touch point is more than two, it cannot make a correct judgment, so the resistive touch screen is only suitable for clicking, dragging and other simple Judgment of action.
The use of two fingers on the screen to complete the operation such as stretching, transposition, enlargement, rotation fun, this is almost unthinkable before the appearance of the capacitive touch screen, in fact, the principle of the touch screen is almost the same, are in the ordinary LCD Add a transparent touch panel on the screen.