In some cases a panel may have defective cells that cannot be controlled. These defective cells can be categorized into three types:
- Non - Lighting Cell Defect: Defect in which the cell is always Off.
- Non-Extinguishing Cell Defect: Defect in which the Cells are always On.
- Flickering Cell Defect: Defect in which the cell is flickering.
Measuring area
Cell defect specification
ITEM
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SPECIFICATION
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Number of cell defects
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Distance between cell defects
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Non-lighting cell defect
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Zone-A: 2 and less
Zone – B: 8 or less
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Regardless of A and B zone
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Non-Exitithgushing Cell defect
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Zone – A: Zero
Zone-B: 2 and less
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-Distance between NLs is 15mm
-Distance between NL and NEF is 15mm
-Distance between NEF is 30mm
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Flickering cell defect
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Zona-A: Zero
Zone-B: 2 and less
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Total defect
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Total number of cell defects in Zone A and Zone B is 8 and
less
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Note:
NL = Non Lighting Cell defect.
NEF = Non Extinguishing effect.
And Flickering
cell defect.
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