History
Research ongoing
Blue LED invented
?date Color Kinetics produced LED fixtures for architecture
?date City Theatrical produced power/data suppiles that enabled DMX control to the architectural fittings, along with beam shaping accessories [ref]
2004 – Mary Poppins used EvenLED cyc lighting
2010 – The first stage profile lantern with an LED light source was the Robert Juliat Aledin 630.
2015 – Fun Home (Broadway) used a large LED rig of 150 Source Four Series 2 Lustr profiles [link]
See articles below for more about the Color Kinetics patent challenges.

LSI: LED Litigation: Super Vision (November 2004)
[External Website]
From Lighting & Sound International
MORE COMING SOON
- See also Lighting with LEDs