Photalume
Download Photalume information concerning AC LED light engines
A New Approach to the Design of AC LED Light Engines
 LED Professional, February 2015

Driverless ac light engines deliver improved flicker performance
LEDs magazine, March 2016

Progress in AC LED Light Engines
Slides from Strategies in Light, March 2016

INDEX
PATENTS
PUBLICATIONS
CLIENTS
EDUCATION AND AFFILIATIONS
WELCOME TO THE WORLD OF PHOTALUME
CONTACT PHOTALUME
WHAT IS PHOTALUME AC LED LIGHT ENGINE TECHNOLOGY ABOUT?
LIGHT ENGINE TECHNOLOGY DOWNLOADS
4000 LUMEN LIGHT ENGINE DESIGN
US PAT 9491821  The basic Photalume circuit patent


US PAT 9585212

A CIP of US 9491821 disclosing higher power factor and lower flicker

4000 lumen light engine

Photalume technology is at its most cost effective at power levels of 40W and above. This link shows the schematic and performance for a 4000 lumen AC LED light engine