MTF-TQ57SN721-AV Microtips Technology, MTF-TQ57SN721-AV Datasheet - Page 21

• Manufacturer Part Number: MTF-TQ57SN721-AV
• Description: TFT Displays & Accessories 5.7 TFT QVGA WHITE LED 500 Nits
• Manufacturer: Microtips Technology

Specifications of MTF-TQ57SN721-AV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Messrs.
Product Specification
9.3
Class of
defects
Minor
Major
Minor
9.3.1 Non-operating inspection specification
Inspection specification
No.
1
2
3
4
5
6

Circuits
Black spot, White spot,
Bright spot, Foreign particle
Black line, White line
Contrast variation
Dot defect
φ= (a+b)/2
attern deformity
W
a
Model:
Inspection Item
φ
φ
= (a+b)/2
= (a+b)/2
b
a
a
a
MTF-TQ57SN721-AV
b
a
b
L
b
b
1. Circuit short
2. Circuit open
Total defect point (B,C)
* Reject when 5 or more spots are gathered
* Reject when 5 or more spots are gathered within
Total defect point (B,C)
1. Pin hole
* Two pin hole shall not formed in the single dot
2. Excess, void
A
C
D
A
B
C
D
A
C
D
A
A
B
B
B
A
B
B
within 5mm circle.
5mm circle.
Criteria of defects
Total defect point (B,C)
0.2< a or 0.2 < b
a≦0.2 & b≦0.2
0.02< W ≤ 0.05
0.05< W ≤ 0.1
0.15<φ≦0.2
0.3 <
0.4 <
0.3<φ≦0.4
0.4<φ≦0.5
Bright dot
W ≤ 0.02
φ≦0.15
Dark dot
φ≦0.3
0.1 < W
0.2 <φ
φ
0.5<φ
0.5<
≤ 0.3
Rev. No.
φ
φ
≤ 0.4
≤ 0.5
φ
A
L ≤ 5
L ≤ 3
Issued Date.
Zone A
Ignore
Aug.14, 07
-
-
Ignore
Ignore
Ignore
N≦3
N≦2
2 (*)
Acceptable Q’ty
0
4
2
0
4
4
2
0
4
0
0
*
2
2
0
3
Zone B
Ignore
Ignore
Ignore
Ignore
Ignore
Ignore
0
21 / 29
Page.