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• n  a cathode that is a source of electrons without being heated

News & Articles

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• Caltron's Industrial Monitors Also Come in an LED Backlit Version
  LEDs (Light Emitting Diodes) have changed the LCD (Liquid Crystal Displays) Industry greatly and rapidly.  Before LEDs, CCFLs (Cold Cathode Fluorescent Lamps) were used and are actually still primarily used.  In most cases, consumers do not feel the need of a better lit screen for the price trade off, but as time has progressed, LEDs have become much cheaper and more affordable.  At first, LEDs ...
  June 18, 2013 - ThomasNet