The information described in this SPEC is preliminary and can be changed without prior notice
APPROVED BY :
PREPARED BY : LCD Mobile Development group 1
SAMSUNG ELECTRONICS CO., LTD.
→ LTN184KT02-T01
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CONTENTS
Approval
Revision History
General Description
1. Absolute Maximum Ratings
1.1 Absolute Ratings of environment
1.2 Electrical Absolute Ratings
2. Optical Characteristics
3. Electrical Characteristics
3.1 TFT LCD Module
3.2 Backlight Unit
4. Block Diagram
4.1 TFT LCD Module
4.2 Backlight Unit
5. Input Terminal Pin Assignment
5.1 Input Signal & Power
5.2 LVDS Interface
5.3 Backlight Unit
5.4 Timing Diagrams of LVDS For Transmitting
5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color.
5.6 Pixel format
5.7 DVR Address
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- - - - - - - - - - - - - - - - - - - ( 3 )
- - - - - - - - - - - - - - - - - - - ( 4 )
- - - - - - - - - - - - - - - - - - - ( 5 )
- - - - - - - - - - - - - - - - - - - ( 7 )
- - - - - - - - - - - - - - - - - - - ( 10 )
- - - - - - - - - - - - - - - - - - - ( 13 )
- - - - - - - - - - - - - - - - - - - ( 14 )
6. Interface Timing
6.1 Timing Parameters
6.2 Timing Diagrams of interface Signal
6.3 Power ON/OFF Sequence
7. Outline Dimension
8. Packing
9. Marking & Others
10. General Precaution
11. EDID
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-- - - - - - - - - - - - - - - - - - ( 24 )
-- - - - - - - - - - - - - - - - - - ( 25 )
- - - - - - - - - - - - - - - - - - - ( 27 )
- - - - - - - - - - - - - - - - - - - ( 29 )
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REVISION HISTORY
REVISIONHISTORY
- LTN184KT02-T01 model’s approval spec was issued first.AllA00Apr. 15. 2009
Approval
SummaryPageRevision No.Date
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Approval
GENERAL DESCRIPTION
DESCRIPTION
LTN184KT02-T01 is a color active matrix TFT (Thin Film Transistor) liquid crystal display
(LCD) that uses amorphous silicon TFT as switching devices. This model is composed
of a TFT LCD panel, a driver circuit and a backlight unit. The resolution of a 18.4" contains
1680X945 pixels and can display up to 262,144 colors. 6 O'clock direction is the
optimum viewing angle.
FEATURES
• High contrast ratio, high aperture structure
• 1680 X 945 pixels resolution (16:9)
• Color Gamut (Typical 45%)
• Low power consumption
• Single CCFL
• DE(Data enable) only mode
• 3.3V LVDS Interface
• Onboard EEDID chip
• RoHS Compliance
APPLICATIONS
• Notebook PC
• If the usage of this product is not for PC application, but for others, please contact SEC
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GENERAL INFORMATION
Display area
Driver element
Display colors
Number of pixel
Pixel arrangement
Pixel pitch
a-Si TFT active matrix
262,144
RGB vertical stripe
mm408.24(H) x 229.635(V) ( 18.4” diagonal )
mm0.243(H) x 0.243(V) (TYP.)
NoteUnitSpecificationItem
16 : 9pixel1680 X 945
Display Mode
Surface treatment
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Normally white
Haze 0, Hardness 3H
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Mechanical Information
Approval
Module
size
Note (1) Measurement condition of outline dimension
(2) 2ms, half sine wave, one time for ±X, ±Y, ± Z.
(3) 5 - 500 Hz, random vibration, 30min for X, Y, Z.
(4) At testing Vibration and Shock, the fixture in holding the Module to be tested have to be
hard and rigid enough so that the Module would not be twisted or bent by the fixture.
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1.2 ELECTRICAL ABSOLUTE RATINGS
(1) TFT LCD MODULE
VDD=3.3V, V
Approval
SS
= GND = 0V
NoteUnitMax.Min.SymbolItem
DD
DD
+ 0.3VDD- 0.3V
+ 0.3VDD- 0.3V
Power Supply Voltage
Logic Input Voltage
Note (1) Within Ta (25 ± 2 °C )
(2) BACK-LIGHT UNIT
Lamp Current
Lamp frequency
Note 1) Permanent damage to the device may occur if maximum values are exceeded
Functional operation should be restricted to the conditions described under normal operating conditions.
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L
L
DD
IN
(1)VV
(1)VV
Ta = 25 ± 2 °C
NoteUnitMax.Min.SymbolItem
(1)mArms6.52.0I
(1)kHz8040F
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Approval
2. OPTICAL CHARACTERISTICS
The following items are measured under stable conditions. The optical characteristics
should be measured in a dark room or equivalent state with the methods shown in Note (5).
Measuring equipment : TOPCON SR-3
Contrast Ratio
(5 Points)
Response Time at Ta
( Rising + Falling )
Average Luminance
of White (5points)
Red
Green
Color
Chromaticity
( CIE )
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Blue
YL,
* Ta = 25 ± 2 °C, VDD=3.3V, fv= 60Hz, f
RT
AVE
X
Y
X
Y
X
Y
Normal
Viewing
Angle
φ = 0
θ = 0
DCLK
= 60.84MHz, IL= 6.0 mA
Unit
-
2516-T
-200175
0.6180.5880.558R
0.3700.3400.310R
0.3600.3300.300G
0.5670.5370.507G
0.1810.1510.121B
0.1520.1220.092B
msec
cd/m
-
2
NoteMaxTyp.Min.ConditionSymbolItem
(1), (2), (5)-600-CR
(1), (3)
IL=6.0mA
(1), (4)
(1), (5)
SR-3
Viewing
Angle
13 Points
White Variation
White
Hor.
Ver.
X
Y
θ
L
R
H
L
CR ≥ 10
At center
--δL
0.3430.3130.283W
0.3590.3290.299W
-4540
-4540θ
Degrees
-1510φ
-3525φ
(1), (5)
SR-3
(6)-1.8
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Note 1) Definition of Viewing Angle : Viewing angle range (5 or 10 ≤≤≤≤ C/R)
Normal Line
θL =90
o
φ = 0
θ
L
φ
φ
o
x
L
H
,
θ = 0
o
θ
R
Approval
12 O’clock
y
direction
φH= 90
o
6 O’ clock
direction
φL= 90
Note 2) Definition of Contrast Ratio (CR) : Ratio of gray max (Gmax) ,gray min (Gmin)
Note 3) Definition of Response time :
Display data
Optical
Response
o
at 5 points(4, 5, 7, 9, 10)
CR(4) + CR(5) + CR(7) + CR(9) + CR(10)
CR =
Points : , , , , at the figure of Note (6).
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49
100%
90%
10%
0%
5
White(TFT OFF)White(TFT OFF)
7
5
10
Black(TFT ON)
T
R
x’y’
θR=90
T
F
o
Note 4) Definition of Average Luminance of White : measure the luminance of white at 5 points.
(420)( 840)(1260)
Average Luminance of White ( Y
YL4+ YL5+ YL7+ YL9+ Y
Y
L,AVE
=
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L,AVE
)
L10
10
9
7
5
4
: test point
04-A00-G-090415
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VIEW AREA
(236)
(473)
(709)
(lines)
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Approval
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.
Lamp current : 6.5mA ( Inverter : SIC-130T )
Environment condition : Ta = 25 ± 2 °C
Photo-detector
( TOPCON SR-3 )
Field
= 2°
50 cm
TFT-LCD module
Center of the screen
[ Optical characteristics measurement setup ]
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Note 6) Definition of 13 points white variation (
Maximum luminance of 13 points
δL=
Minimum luminance of 13 points
10mm
10mm
1312
420840
δ
L
113
), [ ~ ]
1260
LCD panel
10mm
11
10
8
5
3
10mm
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4
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6
473
709
(lines)
1
: test point
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3. ELECTRICAL CHARACTERISTICS
3.1 TFT LCD MODULE
Approval
Ta= 25 ± 2°C
NoteUnitMax.Typ.Min.SymbolItem
Voltage of Power Supply
Differential Input
Voltage for LVDS
Receiver Threshold
Hsync Frequency
Main Frequency
Rush Current
Current of Power
Supply
Note (1) Display data pins and timing signal pins should be connected.( GND = 0V )