IR is one of the common touchscreen technologies in the world, the word “IR” is an abbreviation of Infrared.
IR screen use IR emitters and receivers to create an invisible grid of light beams across the screen.
When an object interrupts the invisible infrared light beam, the sensors can locate the touch point.
Pros:
Highest image clarity and light transmission of all touch technologies.
Unlimited “touch-life”
Impervious to surface scratches
Cons:
Easy to be activated by mistake
Dust, oil, or grease buildup on screen or frame could causing malfunction
Sensitive to water, snow, rain
May be sensitive to ambient light interference
Higher cost