Backlight
ILLUMINATION FROM BEHIND OF A SCREEN, SIGN, OR OTHER OBJECT NEEDING TO BE READ
Backlighting; Backlit; LCD backlight; LED backlight; LED-backlit; LCD backlit; LED backlit; Local dimming; CCFL backlight
A backlight is a form of illumination used in liquid crystal displays (LCDs). As LCDs do not produce light by themselves—unlike, for example, cathode ray tube (CRT), plasma (PDP) or OLED displays—they need illumination (ambient light or a special light source) to produce a visible image.