leds
n. plural-only B2 Upper Intermediate leds
n. small electronic lights that are very bright and use very little power. You see them on computer screens, car lights, and home decorations.
n. semiconductor light sources that emit light when current flows through them. Usually plural in common usage; the acronym stands for Light Emitting Diodes.
The new LEDs make the kitchen look much brighter.
Many cities are replacing old street lamps with LEDs to save money on electricity and maintenance.
Modern architectural lighting often relies on programmable LEDs to create dynamic color displays that can be adjusted instantly via a central computer system.
Usage
Almost always used in the plural form when referring to a set of lights or a display technology.