<Li> Plasma display panel (PDP) </Li> <Li> Quantum dot display (QLED) </Li> <Li> Surface - conduction electron - emitter display (SED, SED - TV) </Li> <P> Only a few of these displays are commercially available in the 2010s, though OLED displays are beginning deployment in smartphones and very recent in televisions . </P>

When did flat screen tvs first come out