Ivor O’Connor

September 12, 2009

LED Lights

Filed under: Uncategorized — ioconnor @ 11:13 pm

CFBs, Conpact Fluorescent Bulbs, are the rage currently. Yet they burn out quickly if turned off and on frequently, use lots of mercury, and are not as efficient as LEDs. Now LED lights appear to be ready for mass production in Japan thanks to Panasonic. How long will it be until we are using them here instead of CFBs? (And at what price?)

“September 10, 2009… Osaka, Japan–Panasonic Corporation, a leader in electronics technology and innovation, today unveiled bulb-shaped LED (light-emitting diode) lamps, the latest addition to its EVERLEDS LED lighting products.”

“the 6.9 W standard type LED bulbs deliver the brightness equivalent to 60 W incandescent bulbs”

“The E26 base LED bulbs have a long lifespan of up to 40,000 hours. That means they last for about 19 years when used for 5.5 hours a day.”

Are ESL bulbs better than CFL or LED?

Vu1’s Electron Stimulated Luminescence (ESL) lights can last up to 6,000 hours, about three to four times the lifespan of incandescents and comparable to CFLs. They produce 50 percent less heat than incandescents.
….

Meanwhile, LED bulbs are energy efficient at around 40,000 to 50,000 hours a bulb but tend to be expensive. For instance, Panasonic’s new EverLeds light will likely retail for around $40 when it hits stores in Japan next month.

//

Vu1’s ESL bulb would be around $20 when it hits the market, according to spokesman James Quick. Vu1 might market the bulb in mid-2010 if its funding holds up. It plans to begin manufacturing at its EU plant by the end of this year.

So if LED lightbulbs last 7 times longer than the ESL bulbs shouldn’t the ESL bulbs cost 1/7th the price? Not 1/2 the price?

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