LCD Touch Screen can be divided into five basic types: vector pressure sensing technology touch screen, resistive technology touch screen, capacitive technology touch screen, infrared technology touch screen, surface acoustic wave technology touch screen. Among them, the vector pressure sensing technology touch screen has withdrawn from the stage of history; the infrared technology touch screen is cheap, but its outer frame is fragile, prone to light interference, and distortion in the case of a curved surface; the capacitive technology touch screen design concept is reasonable, but its image distortion problem is difficult to get Fundamentally solved; resistive technology touch screen positioning is accurate, but its price is high, and it is afraid of scratches and damage; surface acoustic wave touch screen solves various defects of previous touch screens, clear and not easy to be damaged, suitable for various occasions, the disadvantage is that the screen surface If there are water droplets and dust, the touch screen will become dull or even not work.
The working principle of LCD Touch Screen and the medium for transmitting information, we divide the touch screen into four types, they are resistive, capacitive sensing, infrared and surface acoustic wave. Each type of touch screen has its own advantages and disadvantages. To know which touch screen is suitable for which occasion, the key is to understand the working principle and characteristics of each type of touch screen technology.
