In {TAIL ~ the present invention}, the current mirror circuit has {HEAD ~ at least two thin film transistors} 
In { TAIL ~ the present invention } , the current mirror circuit has { HEAD ~ at least two thin film transistors }
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD