Mainly used for instrumentation, video surveillance, car rear view, etc.; office electronic equipment Instruments, meters and measuring appliances Mechanical equipment (medical, military, shipboard, oil, textile,) Audio-visual equipment (car monitor, portable DVD, remote terminal, LCD) Furniture items (visual doorbells, video phones, digital displays) 3.5-inch \4.3-inch \5-inch \5.6-inch \7 \8″\9″\10.1″\10.2″\10.4″\12.1″\15″\17″\19\21″ LCD driver board. It is currently the product of choice for monitoring systems in office electronic equipment.7 inch LCD module driver boards are used in dual 30PIN and 50PIN LCD screens.