To provide a semiconductor display device capable of displaying {HEAD ~ an image} having {TAIL ~ clarity} and a desired color, even when the speed of deterioration of an EL layer is influenced by its environment 
To provide a semiconductor display device capable of displaying { HEAD ~ an image } having { TAIL ~ clarity } and a desired color , even when the speed of deterioration of an EL layer is influenced by its environment
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH