Mitsubishi LCD1855NX-BK Service Manual page 20

Note 7. Two or more pixels or sub-pixels with more than one fault of 5) within 5x5 pixels
Note 8. Two or more pixels or sub-pixels with more than one fault of 1) or 2) within 5x5 pixels
Count as defect
5x5 pixels
R G
R G
1.2 Polarizer Defects
Scratches
Dent
Note
a . Average Diameter
b. Linear : a 2b ,
c. Extraneous substances which can be wiped out, like Finger Print, Particles, are not considered
as a defect.
d. Defects which is on the Black Matrix(outside of Active Area) are not considered as a defect.
5x5 pixels
Dot Defect (5)
1 Cluster
The number of cluster within all screen : Max. 3
5x5 pixels
R G R G
R G
Items
Linear
Circular
b
Circular : a 2b
Do not count as defect
5x5 pixels
R G
Criteria
0.01 W 0.05, 1.0
0.2 D 0.5, N
W : Width
L : Length
D : Average diameter
a
D=
- 20 -
10.0, N 4
L
4
a+b
2