Identification Criteria For The Bright Spot And Dark Spot Of The Lcd Screen - Audiovox FPE2705 Service Manual

Identification criteria for the bright spot and dark spot of the LCD screen

Category criteria
One single
spot
Bright
2 neighboring
t
spo
spots
Total No.
One single
spot
Dark
Two
spots neighboring
spots
Total No.
Total defected point
Notes:
1. Definition of defected point (bright spot, dark spot): It is identified as a defected point if its area
exceeds 1/2 of a single picture element (R,G,B).
2. Definition of bright spot: It is identified as a bright spot if it is bright in the state of dark field and
its bright size remains unchanged
3. Definition of dark spot: It is identified as a dark spot if it is dark in the state of white field and its
dark size remains unchanged
4. Definition of two neighboring points: Defects of a group of picture elements(RB,RG,GB).
Q'ty allowed
15" 20" 22"
≤5 ≤2 ≤5
≤2 ≤1 ≤2
≤5 ≤2 ≤5
≤6 ≤7 ≤5
≤2 ≤2 ≤2
≤6 ≤7 ≤5
≤8 ≤7 ≤5
30" 40" 15"
≤2 ≤3
≤1 ≤1
≤2 ≤3
≥15mm
≤4 ≤10
≤1 ≤5
≤4 ≤10
≤4
/
15
Distance between two spots
20" 22"
≥15mm
≥10mm
30" 40"
≥5mm