Novel fluorophores, 1-aryl-3,4-diphenylpyrido[1,2-a]benzimidazoles were synthesized. They emit intense blue to green fluorescence in solution (Phi: ca. 0.7) and show weak negative solvatofluorochromism by about 10 nm which was caused by the combination of pi-pi* and n-pi* transitions. In the powdered form, they emit intense fluorescence whose intensity is at least two times stronger than that of Alq(3).