leeds Posted April 15, 2007 Share Posted April 15, 2007 Have got LED sidelight bulbs. One of the bulb is now flickering at a fast rate. On inspection 2 neighbouring LEDs are out. Switching the bulbs suggest that there are on problems with the contacts etc. Anyone else experienced problems with individual LEDs malfunctioning in a LED cluster bulb? What is the most likely cause of individual LED's going out in a cluster? Regards Leeds Quote Link to comment Share on other sites More sharing options...
Holyzeus Posted April 15, 2007 Share Posted April 15, 2007 dont wish to hi-jack the thread but what are they like in use? Quote Link to comment Share on other sites More sharing options...
Roverdrive Posted April 15, 2007 Share Posted April 15, 2007 Hmm Was looking at these as a robust replacement for filament bulbs. Perhaps they aren't that good after all? HAve you given them some off road abuse, or is this just daily wear and tear? Quote Link to comment Share on other sites More sharing options...
Bille Posted April 15, 2007 Share Posted April 15, 2007 Have got LED sidelight bulbs. One of the bulb is now flickering at a fast rate. On inspection 2 neighbouring LEDs are out. Switching the bulbs suggest that there are on problems with the contacts etc.Anyone else experienced problems with individual LEDs malfunctioning in a LED cluster bulb? What is the most likely cause of individual LED's going out in a cluster? Regards Leeds I have been trying to get some info on these type of LED cluster Globes prior to buying some advertised on Ebay. I mentioned it to my son who works for a commercial/industrial lighting distributor thinking he may know something about them because the Federal Govt. is phasing out all globes other than compact fluros in Australia in a time frame of about 3 years - (Idiots!! I don't think they have thought it through properly but time will tell) this type of bulb was suggested as the replacement for 12 volt Halogen down lights in homes. My son tells me there is a problem with heat damage within the bayonet area of the LED cluster globe - He did explain it in more detail and I can't remember it all - However I thought at the time that I wouldn't bother. Quote Link to comment Share on other sites More sharing options...
simonr Posted April 15, 2007 Share Posted April 15, 2007 As a light, they are pretty good. Particularly because when you break a lens, the bulb is the right colour - so it doesn't really matter. They are also very tough, so when you do break a lens, you will not break the bulb. I have had one or two die on me, so they do not last forever. On one truck I have DIY LED bulbs based on Luxon 1w and 3w red, orange & white LEDs mounted on an aluminium base and encapsulated in resin within a standard lens. See link These are pretty indestructible (you can beat them with a club hammer all day without damage). However, in the last six months, one side light and one indicator have died. It's possible that this was due to poor thermal bonding to the Al base? I don't know - but suffice to say, the LED's themselves, even decent ones do not last forever. Out of the cluster types which are fitted to the other 90, a couple have failed - but they were cheap ones. The more expensive ones at about £10 per bulb seem to have lasted well though (three years and counting). There was a stall at Billing with loads of pretty bright LED's. I have two of their side lights which are very impressive brightness & colour wise and they have lasted almost 2 years. I guess the moral is avoid the cheapo ones. Buy them from a specialist who is staking their reputation on them being good. Also, Luxon LED's are about as good as it gets technology wise at the moment. Si Quote Link to comment Share on other sites More sharing options...
missingsid Posted April 15, 2007 Share Posted April 15, 2007 I guess the moral is avoid the cheapo ones. Buy them from a specialist who is staking their reputation on them being good. Also, Luxon LED's are about as good as it gets technology wise at the moment.Si I have been interested in these but just recently i have noticed a number of BMW 3 Series Coupes with a third of the LEDs failed! As it is unlikely that off road damage is to blame I guess they are flawed as a maintenance free solution? At the moment I am trying to see what they use now as the new cars do not seem to be LED but also do not have removable fittings to enable bulb changes? Quote Link to comment Share on other sites More sharing options...
western Posted April 15, 2007 Share Posted April 15, 2007 a lot of new buses & some coaches have led rear lights now, the new buses here have the le-perei led units fitted. Quote Link to comment Share on other sites More sharing options...
leeds Posted April 15, 2007 Author Share Posted April 15, 2007 The LED's were bought from a specialist distributor and fitted in June 06. Since then the vehicle has done about 15,000 miles which includes many thousand of miles on poor quality roads quite often in countries where daytime lights are mandatory. It has done a lot of offroad work, not extreme competition use but many miles along poor quality forestry tracks and stoney tracks. I suppose vibration might be a problem but since one distributor says these lights should last up to 100,000 hours so the fact that these bulbs have only last 500 hours is slightly disappointing. Regards Leeds Quote Link to comment Share on other sites More sharing options...
mmgemini Posted April 15, 2007 Share Posted April 15, 2007 Not had a problem with any ofmine yet. All bought from Ultraleds. Now that BMW have had Hella LED fog lights fitted for a couple of years. How longbefore we can get LED headlights ?? mike I can cause trouble in an empty house !!! Quote Link to comment Share on other sites More sharing options...
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