Comments on: Philips winning LED-based 60W replacement bulb

By: Darwin Deturenne

Darwin Deturenne — Mon, 01 Apr 2013 09:30:21 +0000

Incandescent bulbs are so called because of the heat produced. Incandescence means to glow with heat. The tungsten filament is found inside a void within the bulb. When energy is pumped through the wire, the electrons react and there is resistance. Then, the filament will get so hot it will glow.,

By: Ilse Marbray

Ilse Marbray — Fri, 21 Dec 2012 16:58:05 +0000

incandescent lamps are not very efficient when it comes to electrical consumption ,

By: Lester Solich

Lester Solich — Mon, 05 Nov 2012 09:00:41 +0000

Incandescent lights waste so much electricity compared to fluorescent lamps. `

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By: Kory Puccini

Kory Puccini — Sat, 30 Jun 2012 12:32:46 +0000

Incandescent lights are not very energy efficient which is exactly why we need to replace them with far more efficient lamps such as CFL.

By: Tomi Engdahl

Tomi Engdahl — Fri, 29 Jun 2012 05:56:51 +0000

Hitachi to enter 100W LED bulb market in Japan
http://www.edn.com/electronics-blogs/powersource/4376095/Hitachi-to-enter-100W-LED-bulb-market-in-Japan?cid=Newsletter+-+EDN+Weekly

Hitachi has announced that it will offer 100W-equivalent LED bulbs, joining companies such as Philips, GE, and Sylvania. (A typical 100W incandescent bulb has an output of about 1700 lm, for an efficacy of 17lm/W.)

The company intends the bulb for sale only in Japan; It has not released what the actual lumen output is or its power consumption. Also, at 123mm long, the bulb is about 1cm longer than a 100W incandescent lamp, it can’t be used in outdoor applications, and is non-dimmable.

On the other hand, the light automatically lowers its light output and therefore temperature when the temperature or external humidity becomes too high, making it suitable for closed appliances or fixtures such as down lights. Many incandescent replacement lights, such as some CFLs, are not suitable for down lights because the enclosed environment causes overheating and early failures.

By: Tomi Engdahl

Tomi Engdahl — Thu, 05 Apr 2012 08:18:57 +0000

LED First: Switch’s 100W-Equivalent Hits Market
http://www.earthtechling.com/2012/03/led-bulb-first-switchs-100w-equivalent-hits-market/?cid=EM_EDNMicro

There have a been a number of light bulbs introduced on the market to replace energy-sapping incandescent bulbs, but few have gotten the attention—before it went on sale

But now San Jose-based company is launching its Switch100 LED replacement bulb, heralded as the first 100-watt equivalent to hit the market.