NEC MultiSync LCD1920NX User And Service Manual page 76

No Item description
Bright
1 Dot defect
Black
Distance (mm)
Total
and/ or black)
Black/white spot, (Foreign
2
circular matter) (mm)
Scratch on
3 polarizer, line
shape (mm)
Lints, black/white
4 line by foreign
particles (mm)
Dent on polarizer,
5
dot shape (mm)
Bubbles, peeling in
6
polarizer (mm)
Light leakage by
7 foreign articles
(mm)
8 Back Light
1 dot (R/G/B)
2 dots adjacent
≥3 dots
Total
1 dot
2 dots Adjacent
≥3 dots
Total
(Bright
Sub-pixel
Pairs
D≤0.15
0.15<D≤0.5
D>0.5
W≤0.01 L: ignore
0.01<W≤0.05 L≤10
W＞0.05
W≤0.01
0.01<W≤0.05 L≤2
W>0.05 L>2
D≤0.2
0.2<D≤0.4
D>0.4
D≤0.2
0.2<D≤0.5
D>0.5
D≤0.2
0.2<D≤0.5
D>0.5
Lamp defect
Pollution
Leakage
Standard
N≤4
≤1
N=0
N≤4
N≤5
N≤2
N=0
N≤5
≥15
N≤6
N≤2
Ignore
N≤2
N=0
Ignore
N≤ 4
N=0
Ignore
N≤3
N=0
Ignore
N≤4
N=0
Ignore
N≤4
N=0
Ignore
N≤4
N=0
It's not allowed
It's not allowed
By 8% ND filter
5-18
Remark
1. Test pattern : Full white or Full
black.
2. Slight bright & dark dot do not
seen in 50% gray pattern is
ignored.
3. "2 dots adjacent" means the 2
sub-pixels in 2 adjacent pixels
or single pixel
4. See (Note 1) for detailed
definition of 2 dots adjacent.
5. 2 dots adjacent defect is
accounted as 1 defect.
6. Distance : (Note 2)
Invisible; (Note 3, 4)