On Tue, 16 Jan 2018 18:49:44 +0000, Max Demian wrote:

https://ledlam.co.uk/how-do-led-filament-work

What an odd idea. Make a super-duper LED lamp that emulates a pre-WW2
incandescent.

Well the "retro" type are available but the basic collection of
straight filament sticks are (mostly) the most effcient domestic
light bulbs out there at 100 lm/W. They are my bulb of choice now,
provided the price is right (£3 ish). Not had any failures in the
aproximate 9 months since starting to use 'em. Been disappointed with
the life of chip based LED bulbs.

--
Cheers
Dave.