Other Flat Panel Display Technologies (FPD)
  - 
    Thin film electroluminescent displays ( TFEL ) 
- 
    Electrochromic displays ( ECD )
- 
    Thermochromic displays ( TCD )
- 
    Plasma addressed liquid crystal displays ( PALC )
- 
    Microdisplays on CMOS backplanes
 
The one we have seen :
  Light emitting diode arrays ( LED )
  Organic luminescent displays ( OELD )
  Micro-Optical Electromechanical Systems ( MOEMS )