VBWFD2 datasheet(11/15 Pages) MIDASDISPLAYS

11 / 15 page

Item

Criterion

AQL

Cracked

glass

The OLED with extensive crack is not acceptable.

2.5

Backlight

elements

8.1 Illumination source flickers when lit.

8.2 Spots or scratched that appear when lit must be judged.

Using OLED spot, lines and contamination standards.

8.3 Backlight doesn’t light or color wrong.

0.65

2.5

0.65

Bezel

9.1 Bezel may not have rust, be deformed or have

fingerprints, stains or other contamination.

9.2 Bezel must comply with job specifications.

2.5

0.65

PCB、COB

10.1 COB seal may not have pinholes larger than 0.2mm or

contamination.

10.2 COB seal surface may not have pinholes through to the

IC.

10.3 The height of the COB should not exceed the height

indicated in the assembly diagram.

10.4 There may not be more than 2mm of sealant outside the

seal area on the PCB. And there should be no more than

three places.

10.5 No oxidation or contamination PCB terminals.

10.6 Parts on PCB must be the same as on the production

characteristic chart. There should be no wrong parts,

missing parts or excess parts.

10.7 The jumper on the PCB should conform to the product

characteristic chart.

10.8 If solder gets on bezel tab pads, OLED pad, zebra pad

or screw hold pad, make sure it is smoothed down.

2.5

0.65

2.5

0.65

2.5

Soldering

11.1 No un-melted solder paste may be present on the PCB.

11.2 No cold solder joints, missing solder connections,

oxidation or icicle.

11.3 No residue or solder balls on PCB.

11.4 No short circuits in components on PCB.

2.5

0.65

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