As mobile technology continues to advance, the display technology accompanying devices must also evolve.  Only recently has the display industry begun to catch up with the technology sector, moving from the Cathode Ray Tube, to multiple options including LCD, Plasma, DLP, LCoS and SED.  Choosing the best display solution for mobile devices has become a challenge.  This paper describes modern mobile display devices and technologies, and compares the pros and cons in various mobile applications.