Datasheet

DEM 240320J1 TMH-PW-N Production Specification
Version: 2 PAGE: 17
10.5. Standard of the Product Visual Inspection
10.5.1. Appearance inspection:
10.5.1.1. The inspection must be under illumination about 1000 – 1500 lx, and the
distance of view must be at 30cm ± 2cm.
10.5.1.2. The viewing angle should be 45° from the vertical line without reflection light
or follows customer's viewing angle specifications.
10.5.1.3. Definition of area: A Zone: Active Area, B Zone: Viewing Area,
10.5.2. Basic principle:
10.5.2.1. A set of sample to indicate the limit of acceptable quality level must be
discussed by both us and customer when there is any dispute happened.
10.5.2.2. New item must be added on time when it is necessary.
10.6. Inspection Specification
No. Item Criteria (Unit: mm)
01
Black /
White spot
Foreign
material
(Round
type)
Pinholes
Stain
Particles
inside cell.
(Minor
defect)
φ= ( a + b) /2
Distance between 2 defects should more than 3mm apart.
Area
Size
Acc. Qty
φ≤0.10
Ignore
0.10<φ≤0.2
2
0.2<φ≤0.3
1
0.25<φ
0
Total
2 no include
φ£ 0.10
02
Electrical
Defect
(Minor
defect)
Display Area Total
Note1
Bright dot N≤1 N≤1
Dark dot N≤2 N≤2
Total dot N≤2 N≤2
Mura Not visible through 5% ND filters. Note2
Remark:
1. Bright dot caused by scratch and foreign object accords to item
A zone
B zone
45
°
45
°
Eye
Eye
a
b