samsung interactive display.The touch screen is attached to the surface of the liquid crystal display and used in conjunction with the liquid crystal display. If the coordinate position of the touch point on the screen can be measured, the intention of the toucher can be obtained according to the display content or icon of the corresponding coordinate point on the display screen. Touch screens can be divided into five categories according to their technical principles: vector pressure sensing, resistive, capacitive, infrared, and surface acoustic wave. Among them, infrared touch screens have been used more and more widely in real life.

samsung interactive display.The touch screen is attached to the surface of the liquid crystal display and used in conjunction with the liquid crystal display. If the coordinate position of the touch point on the screen can be measured, the intention of the toucher can be obtained according to the display content or icon of the corresponding coordinate point on the display screen. Touch screens can be divided into five categories according to their technical principles: vector pressure sensing, resistive, capacitive, infrared, and surface acoustic wave. Among them, infrared touch screens have been used more and more widely in real life. IQTouch K interactive touch screen feature 20-point touch and dual system -- Android 8.0 system and optional OPS Windows 10Pro system. Its 4K UHD resolution facilitates presentations and collaboration. With optional multi-screen casting software, IQClass 6.0 and installation-free IQClass Plus software, IQTouch K Series can help create an interactive and collaborative teaching atmosphere in class.