Example Issues Found With EL Imaging

These inspections may reveal defects and imperfections like:

  • Cracks and micro cracks
  • Insufficient soldering or busbar issues
  • Parts of the cell that are dead (not emitting any light, hence not capable of generating any power)
  • Manufacturing processing defects
  • Potential Induced Degradation (PID)
  • Thin-film shunting
  • Fire damage
  • Mismatch cells
  • Factory issues
  • Other cell-level issues