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ETC
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L150X2M

Inspection Specifications



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L150X2M pdf
L150X2M Inspection Specifications
1. Purpose:
This display quality inspection specifications define 15.0” XGA TFT - LCD module cosmetic inspections.
2. Scope:
2.1 Specifications contains
¨ Electrical inspection specification
¨ Appearance specification
¨ Outside dimension specification
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2.2 This specifications shall be applied to 15.0” XGA TFT - LCD module.
3. Electrical inspection specification
Inspection Item
1 Line defect
2 Bright dots
3 Green bright dots
4 Dark dots
5 Total dots defect
6 Continuous defect
7 Display scratch
8 Dust, stain, bubble
9 Polarizer scratch
Specification
Can’t be seen.
6 dots
4 dots
6 dots
8 dots
Two continuous bright dots( vertical, horizontal, oblique) : 2 pairs
Three or more continuous bright dots (vertical, horizontal, oblique) : Not allowed
Two continuous dark dots ( vertical, horizontal, oblique) : 2 pairs
Three or more continuous dark dots (vertical, horizontal, oblique) : Not allowed
Distance between 2 B dots : 15 mm
Distance between 2 D dots : 5 mm
Refer to 4 . Appearance specifications
Refer to 4 . Appearance specifications
Refer to 4 . Appearance specifications
Note)
1. For pixel defect, one sub pixel is defined for one pixel.
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L150X2M pdf
4. Appearance specification
4.1 Judgment conditions
1) To be a distance about 30cm in front of LCD unit, judge the visual appearance with human’s eyes.
2) Take off the protector of polarizer while judging the display area.
3) If there is any question while judging, check the panel again while operating.
4.2 Appearance inspection specification
Judge area Judge item
Inspection specification
Judge criterion
Critical major
Particles, Dot
Average diameter:D(mm)
Numbers
scratch and defect
D<0.15
Disregarded
bubbles in
0.15 D<0.30
n5
display area
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Line
0.30 D
Width:W(mm) Length:L(mm)
n=0
Numbers
defect
W<0.05
L<2
Disregarded
0.05 W 0.1
2 L 10
n5
0.1<W
10<L
n=0
Defect
It should not be found by eyes.
Dirt
Grains
Bubble in cell(active It should not be found by eyes.
area)
From active The end of polarizer The edge of polarizer can’t be seen.
area outside
1.7mm
Bezel
Scratch
No harm
Dirt
Wrap
No dangerous
Sunken
No harm
Label
No label
No
(S/N,
Invert label
B/L, Broken
WEEK)
Dirt
Word can be read.
Not clear
Word out of shape
Mistake
No
Position
Be attached on right position
Solder
Appearance
Can’t see the abnormal color, shape, hurt, dirt (fused goods,
etc.). If it is necessary, please prepare sample.
Screw
Not enough
No
Limp
No
White sheet Shell, rub
No
connector Connection status Need correct connection.
FPC/FFC Broken
No
minor
Note 1 : When L>=2W, defect count as line defect.
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Part Number L150X2M
Description Inspection Specifications
Maker ETC - ETC
Total Page 3 Pages
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