3 inspection standard for tft-lcd panel – Impulse PMX-090T User Manual
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PMX-090T DM&P Vortex86MX+ Panel PC 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.