Application Area; View Area
(1) Any defects in invisible shall be ignored unless they affect electrical
performance.
(2) Contamination that can be cleaned using soft cloth with ethyl
alcohol does not apply to these visual criterions.

Inspection
Conditions
The inspection should be conducted by a healthy inspector with a vision
of 1.0 or above (eyeglasses acceptable), and at a distance 20 to 30cm
between the object and the inspector’s eye.

Inspection device: florescent light 30 W

Inspection
Environment
4.2 inspection standards

4.3 Dot-like foreign object(D = longest diameter)

Average diameter
（mm）
Judge criterion Remark
D≦0.2 Ignored

Up to total two
defects
0.2＜D≦0.5
5 objects or less, with the Failure under distance 10mm
D＞0.5 Reject

4.4 Linear foreign object(W=Width, L=Length)
Width（mm）

Length（mm）
Judge criterion Remark
W≦0.08 Ignored
0.08＜W≦0.15 L≦5

5 objects or less, with the Failure under distance
10mm
W＞0.15 Reject
4.5 Linear scratch(W=Width, L=Length)
L
W
L W

Width（mm）

Length（mm））
Judge criterion Remark
W＜0.08 Ignored

Up to total two
defects
0.08＜W≦0.15 L≦3
)
5 objects or less, with the Failure under distance
10mm
W＞0.15 Reject
4.6Bulge (undulation included)

The ITO film Bulged below 0.40mm, it’s ok.
Bulge
Film
Glass
0.4mm or less
4.7 Chip and crack of glass(T= glass thickness)
Item Size (mm) Length
(mm)
X ≤2

0 pce: Judged
unacceptable if there is
any one chip or crack
exceeding the permissive
value of X, Y, or Z.
Y ≤2
Z ≤T