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3.3 LCD visual inspection
[unit : mm]
Item
Dot
(Bright & Dark)
Mura(Note 4)
Line defect
* D : Diameter, W : Width, L : Length, N : Count
Note (1) Two dot adjacent
Note (4) The inspection method of ND filter – holding ND filter in front of the panel around
1cm
and examine the panel from 35±5cm in the front view for 3 seconds.
3.4 Touch glass & LCD Panel visual inspection
Item
Circular defect
(Bubble, Scratch,
Dig, Foreign object)
Circular defect
(Dimple, Stain)
Liner defect
(Scratch,
Foreign object)
Model :IDS31-070W540DVA1E
Standard
Random
2 adjacent
3 adjacent or more
Total
Judged by 2% ND filter in gray pattern
Not allowed
Defect size
D≤0.2
0.2<D≤0.5
0.5<D
Sum of defects
D≤0.5
0.5<D≤1.0
1.0<D
W≤0.1, 1≤L≤10
0.1<W≤0.2, L≤10
0.2<W≤0.25, L≤5
W>0.25
Sum of defect
Rev. No : Ver. 0.90
Preliminary
Inspection equipment
N≤ 5
N≤ 2 (Note 1)
* PC for inspection
* Pattern generator
N≤ 1
* Lupe : ×10
N≤ 8
* N-test program
* ND Filter
Q'ty
Inspection equipment
Ignore
12
0
12
Ignore
* Visual
7
* Lupe ; ×10
0
5
3
1
0
9
Date :15/APR/2015
[unit ; mm]
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of 22
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