Philips T8 LED Tube Tear down: The most boring teardown yet.... - YouTube
Amazon.com: Philips LED Instantfit 4-Foot T8 Tube Light Bulb, 1800-Lumen, Cool White (4000K), 16W=32W, Medium Bi-Pin G13 Base, 10-Pack : Everything Else
Philips Fortimo LED DLM module portfolio, now with increased energy efficiency specifications for European market — LED professional - LED Lighting Technology, Application Magazine