You are now visiting our Global professional lighting website, visit your local website by going to the USA website

Driving innovation

your way



Comfort and visual performance


Philips Lightolier's Calculite LED product line has been the choice of designers for professional-grade downlighting since 1952. Since the inception of Calculite LED in 2009, the product family has continually developed state-of-the-art technology to drive innovation. Calculite is known for best-in-class quality, energy conscious engineering and exceptional performance in lighting solutions.

Philips Lightolier Calculite LED Downlights_Office Lighting

Comprehensive offering


Our principles have centered on providing you with the ideal combination of performance and visual comfort in discrete apertures that suit a wide breadth of application needs while achieving the desired lighting effect.


Browse eCatalog

Effective lighting solutions


Calculite LED’s round and square product offerings deliver a true 50° physical and reflected cutoff for a reduced aperture brightness and an unobtrusive ceiling presence.

Philips Lightolier Calculite LED Downlights_Boardroom Application

Contact us


For business inquiries regarding any of our professional lighting systems, please use this form


Use our detailed form for elaborate questions