touch screen display for raspberry pi 4.The so-called frame paste is also known as mouth glue, that is, the touch screen is simply fixed to the four sides of the display with double-sided tape. This is also the bonding method used by most displays at present. However, because there is an air layer between the display screen and the touch screen, the display effect is greatly reduced after the light is refracted, which is the biggest drawback of frame stickers.

touch screen display for raspberry pi 4.The so-called frame paste is also known as mouth glue, that is, the touch screen is simply fixed to the four sides of the display with double-sided tape. This is also the bonding method used by most displays at present. However, because there is an air layer between the display screen and the touch screen, the display effect is greatly reduced after the light is refracted, which is the biggest drawback of frame stickers. 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.