Posts Tagged ‘LED’
OSRAM-OS virtual tradeshow from LightFair May 12th – 14th 2010
As you know, Mr Green and I are great fans of LED lighting. We’ve installed LEDs for the downstairs of our home and they are running from a small solar panel. I was excited to hear about OSRAM Opto-Semiconductors (OSRAM-OS) latest venture. The company make LED’s for a variety of uses and they are exhibiting…Read More
Quanta LEDs with a twist of decor
In our review about the Quanta 18 LED from Eternaleds, I talked about a little trick to improve the light distribution and dispersion. LEDs are not especially good at being a general room light, as they tend to be directional and produce harsh shadows. The Quanta range from Eternaleds are designed to be floodlight replacements,…Read More
LED review: best 100 watt alternative from EternaLEDS
The Quanta PAR38 LED from Eternaleds runs off just 18 watts of mains electricity, and outputs light equivalent to a 100 watt incandescent light bulb. The quanta PAR38 is a simple screw in retrofit unit that will easily replace your conventional E27 floodlight or spotlight bulbs. When you do so, you can sit back and…Read More
LED colour quality, CRI and binning.
One main criticism of LEDs used for room and space lighting is that the colour or hue of the light appears cold and harsh. Some LEDs appear as tiny, brilliant lights that are too bright to look at, but seem to give very little illumination. There is a quantitative measure of the ability of a…Read More
What’s the point of LED lighting?
Light Emitting diodes (LEDs) are not a new invention. The LED was first invented in Russia in the 1920s, and introduced in America as a practical electronic component in 1962. Oleg Vladimirovich Losev was a radio technician who noticed that diodes used in radio receivers emitted light when current was passed through them. In 1927,…Read More
LED lighting can be off the grid and FREE
After my article yesterday on LEDs a new generation of lighting I had a nice email from Jeff at EternaLeds.com Jeff Detailed how his company had progressed through similar issues of low powered LEDs with poor quality of light. They are now providing an excellent range of LED lights for the US market (110-120 volt)…Read More