Mar 202013

LCD backlight teardown

These are seven layers of a backlight from an old laptop LCD. The amount of optical engineering required to produce a nice, even glow from an edge-lit panel is impressive.

Backlight filters

(Be careful if you’re taking one apart yourself– until recently many LCDs were backlit by CCFLs, which contain a small amount of mercury and need to be disposed of properly.)

 Posted by at 5:31 pm