NEC MultiSync LCD1920NX User And Service Manual page 77

No
9 Mura (mm)
10 White dot spots
11 RGB segment defect
12 Vertical or horizontal line(s) defect
13 Light bands defect
14 Over shoot (RGB)
15 Tab defect (Black strip with no image)
16 Block noise
17 White or black screen (no video)
18 Screen break
19 Panel noise (Twinkling)
20 Newton ring number
21 Rubbing mark
22 Mottling (Non-uniformity or mura)
23 Dim line (Vth shift line)
24 Line defective
25 Fungus (mm)
Note 1 : Detailed definition of 2 dots adjacent is as follows.
Dot defect distance category is not applied to the dot defects categorized in 2 dots adjacent.
R G B R G B
R G B R G B
R G B R G B
R G B R G B
Note 2 : Definition of Defective distance is as follows. Defective distance is specified among bright dots and
among dark dots each, as bright dot and dark dot are not seen at the same screen.
Note 3 : How to use 8% ND filter.
A: Measurement
(1) The distance between LCD with ND filter : 3 cm
(2) The viewing distance between LCD with inspector : 35 cm
B: Criteria : Invisible
Note 4 : Note 5 also use for ViewSonic 8%ND filter Mura judgement.
Content
Clear mura (with clear border)
Unclear mura (with unclear
border)
Light or dark hor. & Vertical
bands
R G B R G B
R G B R G B
R G B R G B
R G B R G B
Both Horizontal and Vertical are allowed
FLC48SXC8V
Specification (FJ)
By 8% ND filter
By 8% ND filter
By 8% ND filter
By 8% ND filter
It is not allowed
It is not allowed
It is not allowed
It is not allowed
It is not allowed
It is not allowed
It is not allowed
It is not allowed
It is not allowed
N= 0
Rubbingless
By 8% ND filter
By 8% ND filter
N=0
By 8% ND filter
R G B R G B
R G B R G B
R G B R G B
R G B R G B
5-19
Remarks
(1)Test pattern : Full black/full
white/50% gray
(2)Invisible, (Note 3, 4)
Invisible
Invisible; (Note 3, 4)
Invisible; (Note 3, 4)
Pattern: Black, white
Invisible; Pattern: 50% gray
R G B R G B
R G B R G B
R G B R G B
R G B R G B