Datasheet
7. Appearance Criteria
Items Criteria
Dark spot
Particle
Pinhole
Dent on surface
Bubble
Scratch or line
on emitting surface
Chip
Defects are judged by the size of each item in the active area and
based on the criteria below
Size(mm) Acceptable number
D ≤ 0.5 Not counted
0.5 < D ≤ 0.8 Not over 5
0.8< D Not allowed
Note : D =(a+b)/2
Size(mm) Acceptable number
Width ≤0.3 Not counted
0.3< Width or
10<Length
Not allowed
in active area
c
t
b
a
* Corner chip : Not allowed if a>2mm or b>2mm
* Edge chip : Not allowed if a>10mm or b>2mm or c ≥ t
Note : t= Thickness of glass (Substrate or Encapsulation)
Defects are judged by the size of each item in the active area and
based on the criteria below
Defects are judged based on the criteria below
a
b