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Teardown: Simple approach characterizes modern LED bulbs

April 26, 2019 By Lee Teschler 2 Comments

LED bulb teardown

LED bulbs we examined are often simpler than those made four years ago, sometimes employing discrete transistors to handle tasks once done via chips. Leland Teschler, Executive Editor Back in 2015, we examined LED bulbs putting out the equivalent of 60-W incandescent bulbs. We recently obtained several new LED bulbs to see how things have […]

Filed Under: FAQ, Featured, LED Lighting Tagged With: FAQ, philips, sylvania

LED bulbs then and now: Teardown of the EcoSmart, Feit, and Sylvania 60-W equivalent LED bulbs

February 27, 2019 By Lee Teschler 2 Comments

LEDs

Compared to the LED bulbs of only a few years ago, modern-day versions are simpler and assembled via more automated methods. Leland Teschler, Executive Editor If you tore down an LED bulb manufactured a few years ago you’d likely find evidence of hand soldering a bit of kludgy design practices. We found both these practices […]

Filed Under: FAQ, LED Lighting Tagged With: Anwellsemiconductor, Brightpower, ecosmart, feit, nxp, sylvania

Don’t get burned about LED UV

January 3, 2019 By Lee Teschler 2 Comments

Another myth busted: You needn’t worry about ultraviolet light coming from ordinary LED bulbs. We recently checked a batch of LED bulbs for the amount of blue light they gave off. This effort came in response to claims from some in the alternative medicine crowd that LED bulbs gave off inordinate amounts of unhealthy blue […]

Filed Under: FAQ, Featured, LED Lighting, Lighting Tagged With: cree, feit, osram, philips, sylvania

Don’t let the LED blue light blues get you down

November 8, 2018 By Lee Teschler 4 Comments

Despite claims by some websites to the contrary, LED bulbs don’t put out inordinate amounts of blue light. Leland Teschler, Executive Editor Take a look at some of the websites devoted to alternative medicine and you’ll likely come across headlines like, “The Dangers of LED & Blue Lights Will Blow Your Mind!” or, “LEDs: The […]

Filed Under: FAQ, Featured, LED Lighting Tagged With: ecosmart, feit, philips, sylvania

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