|
Grade/Spec. |
A+ |
A |
A- |
B |
C |
|
Bright Spots (1) |
None allowed |
None allowed |
3 spots or less
allowed |
5 spots or less
allowed |
8 spots or less
allowed |
|
Dark Spots (2) |
3 spots or less
allowed |
3 spots or less
allowed |
3 spots or less
allowed |
5 spots or less
allowed |
8 spots or less
allowed |
|
Total Number of
Spots |
3 spots or less
allowed |
3 spots or less
allowed |
5 spots or less
allowed |
8 spots or less
allowed |
10 spots or less
allowed |
|
Connecting Spots |
None allowed |
None allowed |
None allowed |
2 connecting spots
allowed |
3 connecting spots
allowed |
|
Spots in Central
Area (3) |
None allowed |
None allowed |
Maximum 1 spot
allowed |
Maximum 2 bright
spots or 5 dark spots allowed |
Allowed |
|
MURA (4) |
None allowed |
Unnoticeable on blue
background allowed. Otherwise not allowed. |
Unnoticeable on
grayscale background allowed |
Unnoticeable on RGB
background allowed. |
Allowed |
|
Scratch |
None allowed |
None allowed |
None allowed |
None allowed in
central area |
Allowed |
|
Marks |
None allowed |
None allowed |
Unnoticeable on blue
background allowed. Otherwise not allowed. |
Unnoticeable on blue
background allowed. Otherwise not allowed. |
Allowed |
|
Lines |
None allowed |
None allowed |
None allowed |
Unnoticeable on
grayscale background allowed |
Unnoticeable on RGB
background allowed. |
|
Light Leakage |
None allowed |
None allowed |
None allowed |
None allowed |
Allowed |
