Was it all marketing hype? Or, did we not know enough about LED aging to predict the true useful life of a bulb? I put these questions to the test. Join me after the break for some background on ...

The more the lumens per watt the more efficient the bulb. The averaged ... 63 seconds scored poor. The Sylvania 10-Watt 60W Equivalent A19 Soft White Dimmable LED is part of the Lightbulbs test ...

Unlock to see our ratings and compare products side by side Actual 3K or 12.5K color temperature (kelvin) is the average measured color temperature of 10 bulb ... The Sylvania Ultra-LED 100W ...

Osram Sylvania Inc. is the North American operation of lighting manufacturer Osram GmbH, which is owned by Siemens AG. It was established in January 1993, with the acquisition of GTE’s Sylvania ...

Having the right LED light bulb for each section in your home is important for setting the right tone. You can liven up a room with vibrant lighting or even some fun, colorful LED light bulbs.

Light output matched the Ring, suggesting geometry problems. This is not a great result for Osram’s standard bulb, but at least it complied with the ECE 99 light-output requirements.

Whether it's for outdoor spaces like porches, driveways and yards, or your garage, basement or a dark corner in your home, LED floodlight bulbs are a great way to increase visibility around your home.

Luckily, if you get the right model, you can have a bright LED bulb to light a big space with the ability to dim it or even ...

For this reason, many LED flashlights have circuitry to manage power consumption. This circuitry has another benefit too, as it prolongs battery life. Traditional light bulbs are inefficient and ...

Of course, that means that incandescent light bulbs are more efficient at producing heat, and as the days get shorter, and the nights get colder, somewhere, someone who took the leap to LED ...

Both of these bulb types lose light output ... familiar brands like Sylvania and Phillips are sitting on the shelf. When it ...

Nizamoglu, Sedat Ozel, Tuncay Sari, Emre and Demir, Hilmi Volkan 2006. White Light Generation with CdSe/ZnS Core-Shell Nanocrystals and InGaN/GaN Light Emitting Diodes. p. 21.