A global leader of the world display market — STEMCO
Products
COF
Chip On Film.
The COF is a type of flexible circuit board for driver packages.
Fine circuits are formed on a thin film and display driver ICs are embedded.
The COF is applied to high-resolution display types such as FHD and UHD.
Fine Pitch(~18㎛)
Superior flexibility
Superior reliability
2-Metal COF
Chip On Film.
The 2-metal COF has circuits at both sides while the COF has them only at one side. Compared to the one-sided COF, the 2-metal COF features the superior circuit accumulation and smaller size. This was developed basically for mobile devices.