LCD - Backlight

Characteristics

EL-backlight

  • very thin, approx. 1.3 mm max.
  • low current consumption
  • various colors
  • inverter required
    (see inverter)
  • lifetime ∼10.000h
  • special design possible (customized)
  • LED-backlight

  • low voltage (5V)
  • no inverter
  • lifetime ∼100.000h
  • various colors
  • small thickness
  • special design possible (customized)

  • CFL-backlight / -tubes

  • brightness 3000-4000 cd/m²
  • current consumption 5-20 mA
  • lifetime ∼50.000h
  • Inverter required
    (see inverter)
  • special design possible (customized)


  • Info

    For improving the visibility of liquid crystal displays a backlight system is used.

    The most suitable types are listed above.