MOP-TFT480272-43A-BLM-TPC
12
11.6
LCD pixel defect
(bad dot) (defect type: MI)
Checking item
Judgment criterion
Color bad dot-bright dot(R,G,B)
1
two adjacent bright point
0
three or more adjacent point
0
total points for bad dot-bright dot
1
Bad dot-dark dot
2
two adjacent dark point
1
three or more adjacent point
0
total points for bad dot -dark dot
3
patch bright dot
Invisible with ND5%, it is OK.
11.7
Dot and line defect
(defect type: MI)
Checking item
Judgment criterion
Figure
Diameter(mm)\LCD Size
S ≤5.0 Inch
Dot defect
D≤0.1
allowed
D=(a+b)/2
0.1<D≤0.2
4
0.2<D≤0.3
0
0.3<D≤0.5
0
D>0.5
0
the distance between the two defect dot:DS≥5mm
line defect
Length(mm)
Width(mm) Judgement Criterion
disregard
W≤0.05
allowed
L≤5
0.05<W≤0.1
4
L>5
W>0.1
0
Concave point and air
bubble for polarizer
Size(mm)
Judgement Criterion
D=(a+b)/2
D≤0.3
allowed
0.3<D≤1.0
3
1.0<D≤1.5
1
D>1.5
0
Fold mark, linear scar for
polarizer
Length(mm)
Width(mm) Judgement Criterion
disregard
W≤0.05
allowed
1<L≤5
0.05<W≤0.2
3
L>5
W>0.2
0
*Notes:
1. If the fold mark and linear scar for polarizer is visible with operating condition, the
defect is judged with line judge
2. If the fold mark and linear scar for polarizer is visible with non-operating condition,
the defect is judged with the above judgment standard.
