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12.Quality Assurance

Screen Cosmetic Criteria

Item

Defect

Judgment Criterion

Partition

1

Spots

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

Minor

2

Bubbles in Polarizer

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

Minor

3

Scratch

In accordance with spots cosmetic criteria. When the light

reflects on the panel surface, the scratches are not to be

remarkable.

Minor

4

Allowable Density

Above defects should be separated more than 30mm each

other.

Minor

5

Coloration

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.

Minor