Dimenco Displays DM504MAS User Manual - page 9
Display User Manual
Dimenco Displays
April 11, 2013
©2013 Dimenco Displays B.V.
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2.3 Cosmetic specifications
2.3.1 Description
This specification standard is applicable to: 3D displays supplied by Dimenco Displays.
2.3.2 Environmental conditions of inspection
The environmental conditions and visual inspection shall be conducted as below.
• Ambient temperature in the range 15-25 [
o
C].
• Humidity in the range 25-75 [%RH].
• The functional inspection distance of the monitor (measured between the monitor and the
inspector’s sight) should be at least 3.0 [m].
• The maximal viewing angle relative from the normal direction of the module/monitor is
specified according to ±Y degree to the front surface of the display in vertical direction, and
±X degree to the front surface of the display in horizontal direction. The values below are the
following: X = 15, Y = 45.
• Ambient illumination:
o External appearance inspection in the range 400-600 [Lux].
o Light on inspection in the range 100-200 [Lux].
2.3.3 Classification of defects
The defects are classified as major and minor defects. The definition of defects is described as
follows:
• Major defect:
The defect may cause functional failure, or reduce the usability of the product for its purpose.
For example: electrical failure, deformation, etc.
• Minor defect:
The defect does not reduce the usability of the product for its purpose. For example: dot
defect, etc.
The judgment of the major and minor defects shall be according to the table with classification of
defects below.
Inspection item
Description
Defect type
Vertical line
Abnormal line appears in vertical direction
Major
Horizontal line
Abnormal line appears in horizontal direction
Major
Cross line
Abnormal cross line appears in display
Major
No display
No signal output in display
Major
Irregular display
Abnormal signal outputs in display
Major
Dot defect
Bright dot, dark dot or dot adjacent appear in display
Minor
Foreign material
Foreign material appears in display
Minor