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1.3 Inspection standard for TFT-LCD Panel
DEFECT TYPE
VISUAL
INTERNAL
DEFECT
BRIGHT DOT
DARK DOT
ELECTRI
CAL
TOTAL DOT
DEFECT
TWO ADJACENT DOT
THREE OR MORE
ADJACENT DOT
LINE DEFECT
(1) One pixel consists of 3 sub-pixels, including R, G, and B dot. (Sub-pixel = Dot)
(2) Little bright Dot acceptitable under 6% ND-Filter.
(3) If require G0 grand (Total dot N≦0), please contact region sales.
W: Width[mm]; L: Length[mm]; N: Number; φ: Average Diameter.
[ Note 1 ]
PPC-150T User's Manual
φ＜0.15mm
0.15mm≦φ≦0.5mm
SPOT
0.5mm＜φ
0.03mm<W≦0.1mm, L≦5mm
FIBER
1.0mm＜W, 1.5mm＜L
φ＜0.15mm
POLARIZER
0.15mm≦φ≦0.5mm
BUBBLE
0.5mm＜φ
It' OK if mura is slight visible through 6%ND filter
Mura
A Grade
C Area
O Area
N≦0
N≦2
N≦2
N≦3
N≦4
N≦1
N≦0
pair
NOT ALLOWED
NOT ALLOWED
(a) White / Black Spot
(b) Polarizer Bubble
IUMPPC150T-01 Ver.1.0A Jun, 2014
LIMIT
Ignore
N≦4
N=0
N≦3
N=0
Ignore
N≦2
N=0
B Grade
Total
C Area
O Area
Total
N≦2
N≦2
N≦3
N≦5
N≦3
N≦3
N≦5
N≦8
N≦5
N≦6
N≦8
N≦1
N≦1
N≦1
N≦1
pair
pair
pair
pair
Not
e
Note
1
Note
1
Note
1
Note
3
Note
2
Note
2
Note
4
5
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