4
PN8M-090T PN8M Panel PC Series with 9” WSVGA TFT LCD
1.3 Inspection standard for TFT-LCD Panel
Table 1-2 Inspection Standard
DEFECT TYPE
LIMIT
Note
VISUAL
DEFECT
INTER
NAL
SPOT
φ
＜
0.15mm
Ignore
Note1
0.15mm
≦
φ
≦
0.5mm
N
≦
4
0.5mm
＜
φ
N=0
FIBER
0.03mm<W
≦
0.1mm, L
≦
5mm
N
≦
3
Note1
1.0mm
＜
W, 1.5mm
＜
L
N=0
POLARIZER
BUBBLE
φ
＜
0.15mm
Ignore
Note1
0.15mm
≦
φ
≦
0.5mm
N
≦
2
0.5mm
＜
φ
N=0
Mura
It’ OK if mura is slight visible through 6%ND filter
ELECTRICAL
DEFECT
BRIGHT DOT
A Grade
B Grade
C
Area
O
Area
Total
C
Area
O
Area
Total
Note3
N
≦
0
N
≦
2
N
≦
2
N
≦
2
N
≦
3
N
≦
5
Note2
DARK DOT
N
≦
2
N
≦
3
N
≦
3
N
≦
3
N
≦
5
N
≦
8
TOTAL DOT
N
≦
4
N
≦
5
N
≦
6
N
≦
8
Note2
TWO ADJACENT DOT
N
≦
0
N
≦
1
pair
N
≦
1
pair
N
≦
1
pair
N
≦
1
pair
N
≦
1
pair
Note4
THREE OR MORE
ADJACENT DOT
NOT ALLOWED
LINE DEFECT
NOT ALLOWED
(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.
