You've already got dozens of light -
emitting diodes casting spotlights around your house, from the green dot on your bathroom outlets to the red power indicators on your TVs.
Not exact matches
The TT RS's taillights use all - new organic light -
emitting diode (OLED) technology, so they don't
cast shadows and don't require reflectors.
We all know about incandescent light bulbs, those energy guzzling lights that
cast a beautiful, warm glow unparalleled, some say, by compact fluorescent lamps (CFL) and light
emitting diodes (LEDs).