5-9
5. External inspection on the LCD module
5.1 Inspection condition
1) Ambient temperature is approximately 20~25
°
C.
2) Ambient humidity is approximately 65
±
.
3) Ambient illuminant is from 300 to 700lux.
4) Viewing distance is approximately 35cm.
5) Viewing angle : right and left 30
°
, top and bottom 20
°
~ 0
°
.
5.2 Standards for display conditions
Standard for errors (defects)
Item Standard
Remarks
(1) Continuous 2 bright dots
≤
2 pairs
(2) Continuous 2 black dots
R+G, 2 continued
horizontally
≤
2 pairs
Note 1
Note 2
(3) Continuous 3 or more bright
dots
≤
0 pair
Joined
defects
(4) Continuous 3 or more black
dots
Both the same color
and different colors
are counted.
≤
0 pair
Note 3
Dot defect (5) Dot defects other than (1) and
(2)
R.G.B (Black dot +
Bright dot)
≤
4
Note 4
(6) Adjacent to same-color
bright-dot defect
Distance between
defects
≤
6.5mm
Each color
≤
2 pairs
Note 5
(7) Approach of adjacent defects
of (6)
Distance of approach
≤
15mm
≤
0 pair
Note 6
A set of 2 or more dot
defects in an area of
5
×
5 pixels
[(5) in consideration]
≤
2 clusters
Note 7
Approach of adjacent
defects of (1) in an
area of 5
×
5 pixels
≤
0 pair
Note 8
Defective
proximity
(8) Defect
cluster
Approach of adjacent
defects of (2) in an
area of 5
×
5 pixels
Total No. of bright dots (R.G.B) + black dots (R.G.B)
≤
4
-
Total No.
of defects Total No. of bright points in G
≤
4
-
Note 9. Every dot herein means sub-pixel (each Red, Green or Blue color)
Note 10. Bright & Dark Dots are larger than one third of sub-pixel. (Dots smaller than one third of sub-pixel
are not counted as a defect dots.)
Note 11. Do not use the [ND] filter in counting a bright dot.
