Assembly Line

What are LED light bulbs made of?

LED light bulbs take LED, printed circuit board, aluminum, solder, adhesive and polycarbonate directly. Trace them back and you pass 47 made things on the way to 20 raw materials.

How LED light bulbs are made See it on the map

What goes straight in

From the ground: 20 raw materials

Made along the way: 41 things

Metals 8

Chemicals and fuels 21

Plastics and fibers 7

Electronics 3

Food 2