To solve the problems in the prior, one has to increase the driving current of {TAIL ~ the TFT} within {HEAD ~ limited driving circuit area} 
To solve the problems in the prior , one has to increase the driving current of { TAIL ~ the TFT } within { HEAD ~ limited driving circuit area }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD