Which is better cob or SMD LED?

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Tags

  1. #between
  2. #another
  3. #aspect
  4. #known
  5. #energy
  6. #efficiency
  7. #chips
  8. #better
  9. #diodes
  10. #ratios
  11. #light
  12. #typically
  13. #difference
  14. #lumen
  15. #lights