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Display (LCD) Replacement for Defective Pixels-Tablet Product

Device

Symptom

Result

LCD Panel

  1. If there is flickering, vibration, bright / dark line
  2. Check the defective pixels according the following criteria

LCD Size<=10.1")

Bright Dot

(Dark Pattern)

R,G or B 1 dot ≤3

Adjacent 2 dots – Horizontal  1

Adjacent 2 dots – Vertical ≤1

Adjacent 3 dots and more 0

Distance between adjacent 2 dots ≥15mm

Total amounts of bright dot ≤3

Dark Dot

(Bright Pattern)

R,G or B 1 dot ≤3

Adjacent 2 dots – Horizontal ≤2

Adjacent 2 dots –Vertical ≤2

Adjacent 3 dots and more 0

Distance between adjacent 2 dots ≥5mm

Total amounts of dark dot ≤3

Total amounts of dot defects ≤5

If the number of the defective pixels is more than that is defined in the above criterion, the LCD panel is defective.

LCD defection