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What is a backlight? Why does this matter?

Categories: FAQStars: 3Stars Visit: - Release time: 2014-01-14 11:38:00
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Laptop, tablet PC, and notebook screens use a "backlight" to illuminate the liquid crystal display within the screen. There are two kinds of backlight technologies, and they are not interchangeable:
  1.CCFL (cold-cathode fluorescent lamp) - an older technology, still very common
  2.LED (light-emitting diode) - a newer technology, gaining in popularity especially in netbooks

 

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