Vision

> LED back light screens flicker research

  • Posted on: 4 November 2015
  • By: tihomiry

Most of the modern LED backlight screens including Laptops, TV and smart phones use PAM technique for Pulse-amplitude modulation. This means that they switch on and off state very rapidly.
This is implemented to save energy and control the back light brightness, but it is harmful to the human nervous system and case eye strain.

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