Below are links to other web sites that you may find useful:-
EU Commission: Energy Saving Light bulbs
This website informs consumers, professionals and the media about the wide range of energy-efficient lamps currently available, the phase-out of inefficient lamp types and what European legislation is already in place.
DEFRA: Energy Saving Light Bulbs Information (including disposal method)
A useful FAQ page detailing Her Majesty’s Government’s official line on the light bulb ban, compact fluorescent energy savers and how best to deal with them when they break:
Major Light Bulb Manufacturer Links
Ledvance – https://www.ledvance.com/en-int
Philips – http://www.philips.co.uk/c/
Crompton Lamps – https://www.cromptonlamps.com/
Megaman – https://www.megamanuk.com/
Sylvania Lamps – https://www.sylvania-group.com/en-gb/
GE Lighting – https://www.gelighting.com/
Pioneers of Electric Lighting Links
Lighting Technology History Links
Lamptech – https://www.lamptech.co.uk/
Light Bulbs & Art – Strange but true
Lisa Milroy ‘Light Bulbs’ – https://www.tate.org.uk/art/artworks/milroy-light-bulbs-t05217