Lighting Systems; with a life span of more than 50 thousand hours;
Today, vast majority of commonly used light sources have 1,000-5,000 hours bulb life span. Life span is 6,000-12,000 hours in industrial lighting bulbs.
At the end of this period, while the bulbs must be replaced, it should also be noted that damages in ballast circuit ignitor in fluorescent and gas discharge lamps may also be observed.
If a good thermal design and constant current circuits are used, LED lifespan will be over 50,000 hours.
Preference towards it has increased as it is trouble-free in malfunction, replacement, and maintenance.