Note that {HEAD ~ the drain} of the EL driving TFT 3503 is connected to {TAIL ~ the power source supply line} 3506, and a fixed voltage is always applied 
is connected to
Note that { HEAD ~ the drain } of the EL driving TFT 3503 is connected to { TAIL ~ the power source supply line } 3506 , and a fixed voltage is always applied
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH