WP2002A-Y-JCS Datasheet, PDF (17/18 Pages) DB Lectro Inc – WP2002A-Y-JCS

14.Quality Assurance
Screen Cosmetic Criteria
Item
1
2
3
4
5
Defect
Spots
Bubbles in Polarize
Scratch
Allowable Density
Coloration
Judgment Criterion
A)Clear
Size: d mm Acceptable Qty in active area
d ≦0.1
Disregard
0.1<d≦0.2
6
0.2<d≦0.3
2
0.3<d
0
Note: Including pin holes and defective dots which must
be within one pixel size.
B)Unclear
Size: d mm Acceptable Qty in active area
d ≦0.2
Disregard
0.2<d≦0.5
6
0.5<d≦0.7
2
0.7<d
0
Size: d mm
Acceptable Qty in active area
d≦0.3
Disregard
0.3<d≦1.0
3
1.0<d≦1.5
1
1.5<d
0
In accordance with spots cosmetic criteria. When the light
reflects on the panel surface, the scratches are not to be
remarkable.
Above defects should be separated more than 30mm each
other.
Not to be noticeable coloration in the viewing area of the
LCD panels.
Back-light type should be judged with back-light on state
only.
Partition
Minor
Minor
Minor
Minor
Minor
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