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64128M Datasheet, PDF (13/22 Pages) List of Unclassifed Manufacturers – GENERAL SPECIFICATION | |||
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Displaytech Ltd LCD MODULE 64128M SERIES
â INSPECTION STANDARD
1) FUNCTIONAL TEST STANDARD
Item
Inspection Standard Description
1 LCD has no display
2 LCM display do not change
3 Display wrong pattern
Version : 1.1 P 13 of 21
Standard
Reject
Reject
Reject
Defect type
MAJ
MAJ
MAJ
4 Display segment open
Missing
segment
Missing
segment
Reject
MAJ
5 Display dim segment
6 Wrong LCD viewing direction
7 Dim Display
8 LCD color variation
Pattern parallelism
9
10
LCD display
Pin hole
Dim
segment
Dim
segment
Acceptable range
L
<a
b
â§20mm
| 0.43° | â¦0.15mm
â§30mm
| 0.38° |
â¦0.2mm
â§40mm
| 0.43° |
â¦0.3mm
â§50mm
| 0.40° | â¦0.35mm
â§60mm
| 0.43° | â¦0.45mm
â§70mm
â§80mm
| 0.41° |
| 0.43° |
â¦0.50mm
â¦0.60mm
â§90mm
| 0.41° | â¦0.65mm
â§100mm | 0.43° | â¦0.75mm
Standard
x+ y
Ã=
QTY
2
Ãâ¦0.25
1
Ã>0.25
1
1
Ã< W
1
4
1
Ã> W
1
4
Reject
Reject
See
sample
See
sample
Accept
Accept
Accept
Accept
Reject
MAJ
MAJ
MAJ
MAJ
MIN
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