Samsung LTN173KT02-T01 Service Manual page 9

Note 5) After stabilizing and leaving the panel alone at a given temperature for 30 min , the measurement
should be executed. Measurement should be executed in a stable, windless,and dark room.
30 min after lighting the backlight. This should be measured in the center of screen.
LED current : 20 mA
Environment condition : Ta = 25  2 C
TFT-LCD module
Note 6) Definition of 13 points white variation (

L
10mm
10mm
Samsung Secret
Doc.No. LTN173KT02-T01
Photo-detector
( TOPCON SR-3 )
Field
= 2
[ Optical characteristics measurement setup ]
Maximum luminance of 13 points
=
Minimum luminance of 13 points
10mm
400
13
10
8
5
3
Rev.No
50 cm
Center of the screen

), [ ~
L 1 13
800
1200
12
9
7
4
2
04-A01-G-120208
Approval
LCD panel
]
10mm
11
225
6
450
: test point
675
(lines)
1
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