The Philips LED backlit monitor using recycled materials & PVC BFR-free housing is ideal for eco-friendly productivity. White LEDs are solid state devices which light up to full, consistent brightness faster saving startup time. LEDs are free from mercury content, which allows for eco-friendly recycling & disposal process. LEDs allow for better dimming control of the LCD backlight, resulting in a super high contrast ratio. It also gives superior color reproduction thanks to consistent brightness across the screen.