As described specifically in the above, {TAIL ~ the benzanthracene derivative} having hydrogen atom at {HEAD ~ the 12 position} of the present invention provides a more excellent chromaticity and a longer life 
As described specifically in the above , { TAIL ~ the benzanthracene derivative } having hydrogen atom at { HEAD ~ the 12 position } of the present invention provides a more excellent chromaticity and a longer life
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH