Common LCD module connection:
First, the metal pins:
Metal feet can be directly welded on the PCB (printed circuit board), the connection is reliable, strong anti-vibration, foot spacing is limited. For audio products, meters and so on.
Second, zebra paper (heat seal):
Flexible connection, assembly inconvenient. For thin product connection. Such as the counter, pager, electronic notebook and so on.
Third, conductive rubber:
Lower cost, easy assembly, is more used in connection, for watches, game consoles, clocks, telephones and so on.