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What is the biggest challenge to improve white LEDs?

  1. Mar 29, 2015 #1
    Here are some of my thoughts:
    - thermal management of individual LEDs in a RBG system
    - photon absorption in phosphor coating
    - exponential decay in intensity
    - CCT/ CRT?
  2. jcsd
  3. Mar 29, 2015 #2
  4. Mar 31, 2015 #3
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