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AMPIRE CO., LTD.
16
13.5 INSPECTION QUALITY CRITERIA
Item
Description
of
defects
Class of
Defects
Acceptable level
(%)
Function
Short circuit or Pattern cut
Major
0.65
Dimension
Deviation from drawings
Major
1.5
Ave . dia . D
area A
area B
D
≤0.2
Disregard
0.2<D
≤0.3
3
4
0.3<D
≤0.4
2
3
Black spots
0.4<D
0
1
Minor
2.5
Width W, Length L
A
B
W
≤0.03
disregard
0.03<W
≤0.05
3
4
0.05<W
≤0.07 , L≤3.0
1
1
Black lines
See line criteria
Minor
2.5
Bubbles in
polarizer
Average diameter D
0.2 < D < 0.5 mm
for N = 4 , D > 0.5 for N = 1
Minor
2.5
Color
uniformity
Rainbow color or newton ring.
Minor
2.5
Glass
Scratches
Obvious visible damage.
Minor
2.5
Contrast
ratio
See note 1
Minor
2.5
Response
time
See note 2
Minor
2.5
Viewing
angle
See note 3
Minor
2.5
Zone A active area
Zone B viewing area