The fanless open frame panel PCs equipped with N3550, N3450, J1900, 4th /6th /7th i3 / i5/ i7 processors based on different sizes of displays from 10.4" to 24" with true flat PCT & 5 wires resistive touch screens ,which also equipped with richest I/O ports, WIFI..etc These open frame panel PCs also designed for long-life operation 24/7 with high reliability and stability solutions too for factory automation, industrial automation, process control management as well as gaming applications. Meanwhile, these open frame panel PCs also can be made with optical bonding solution for high brightness and general brightness solutions