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Some already have Posted by Ari [Email]  (#2847) [Profile/Gallery]
(more from Ari) on Fri, 6 Feb 2004 04:46:57
In Reply to: Yup, but they cost 20 times as much as the normal ones!, Bill Davies, Thu, 5 Feb 2004 15:16:44 Members do not see ads below this line. - Help Keep This Site Online - Signup |
There are some high-end cars out there with LED tail-lights- Cadillac comes to mind. You can tell because the light is very uniform over the tail light, and it seems to come on faster. Actually, that is one of the 'selling points' - LEDs come on close to instantly (20 nanoseconds is fast enough for me), compared to incandencent bulbs that can take a few a hundred milliseconds to reach full brightness. That does give the person behind you extra reaction time. I doubt an extra 0.1 seconds will make a difference if the goat-roper behind you is talking to his bookie on the cell phone while eating a cruller, drinking coffee, and applying makeup. But its a nice thought.
I believe the current LED tailights are LED arrays. Prices get driven down by scaling up for quantity - if Furd or GM adopt it for something even close to mass-market, the price will drop fast.
The near infinite life is a great thing, but it won't pay in cars. Most car bulbs only get replaced once, maybe twice in the car's lifetime. Yeah, some of us can go through bulbs fast, but that's the exeception, not the rule. Where it will pay off is in household and outdoor lighting, where bulb life of a year or less is common. Not only will it pay for itself by not needing a bunch of replacement bulbs, you can actually make the fixture a little cheaper - sell lamps with permanent bulbs.
posted by 192.249....
, Fri, 6 Feb 2004 04:46:57 <-- Viewing This Message
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