The Philips ergonomic LED display using 25% recycled materials & PVC, BFR free housing is ideal for Eco-friendly productivity. White LED's are solid state devices which light up to full, consistent brightness faster saving startup time. LED's are free from mercury content which allows for Eco-friendly recycling & disposal process. LED's allow for better dimming control of LCD backlight, resulting in super high contrast ratio. It also gives superior color reproduction thanks to consistent brightness across the screen.