My father is currently interested in investing into a Ukrainian LED fixture manufacturer, and after he bought home a sample, I'm scared. There are 94 LEDs paired up with diodes, all in series, connected directly to mains voltage. The LEDs and diodes are covered with epoxy, however the ends of the diodes stick out just enough to do some damage.
I told him that the LEDs closer to the ends will die out much faster than the rest, resulting in damaging the rest of the LEDs due to fact that they no longer provide a suitable voltage. On top of that, the diodes will most likely heat up, and in addition to the heat from the LEDs, the components will get damaged considerably faster. The lifetime estimate for this unit is 50'000 hours, however I highly doubt that it will be usable past 20'000 hours. Plus, I'm pretty sure that there are quite a few laws which were violated.
Here are some photos:
Just a couple of notes:
- No, I don't have a link for the product page
- Yes, there is absolutely no other circuitry
- And yes, they told my dad that this could be certified for the EU and Switzerland...
Your input in this matter would be greatly appreciated.