LED lighting is a technology based on gallium nitride (GaN) property to emit light when voltage is applied.
LED-based contemporary semiconductor lighting systems have significant advantage over traditional incandescent and CFL lamps in terms of power consumption, luminous efficiency and lifespan. Moreover, they do not contain mercury and lead, which makes them environmentally friendly.
Key material for LED
Sapphire is an indispensable component of 97% of LEDs.
According to Yole Développement, LED market annual growth rate is more than 11%. The main driver of this growth is LEDs for general lighting.
Current LED applications are:
- smartphone backlighting,
- TV and notebook backlighting,
- residential and street general lighting