Photo: "Cheese Store," Bleecker Street, 1937
• Full-service luxury condo
• 7,000 sq. ft. corner residence
• Light from four exposures
• Pets welcomed
View this and many other homes in Manhattan.
L.E.D.'s Make for Warm Light but the Bulb Keeps Its Cool
By IAN AUSTEN
Published: April 8, 2004
E-Mail This Article
Most E-Mailed Articles
Reprints & Permissions
Subscribe to Circuits
Sign up to receive a free weekly Circuits newsletter by e-mail, with technology news and tips and exclusive commentary by David Pogue, the State of the Art columnist.
TIMES NEWS TRACKER
Retail Stores and Trade
or Enlux Lighting, developing a floodlight bulb that uses light-emitting diodes but offers the same brightness as a 65-watt incandescent lamp meant overcoming a big problem: heat. That may seem odd, because most solid-state L.E.D.'s are not noticeably hot. But Dan Nelson, the Enlux marketing director, said that was mainly because of how they are used.
The small lights that indicate that an electric coffee pot is switched on or a cellphone is recharging operate at half a watt or less. "With the L.E.D. floodlight, we have 22 watts," Mr. Nelson said.
To deal with the heat generated by its new L.E.D. floodlight, Enlux devised a variation of the system used on the air-cooled engine in the original Volkswagen Beetle. Fins increase the surface area to accelerate cooling.
The Enlux lamp, which will be available this summer, combines red, green, blue and amber L.E.D.'s to mimic the warm light that is produced by incandescent lamps