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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

  2 Responses to “The LCD is the least interesting part of your LCD”

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  1. […] Mayer dissected an old LCD display into its constituent layers. He writes: These are seven layers of a backlight from an old laptop […]

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