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LTN156AT20-W01
Specification
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SAMSUNG LTN156AT20-W01 Specification

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TO
DATE :: Apr. 16, 2012.
SAMSUNG TFT-LCD
MODEL NO : LTN156AT20-W
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NOTE :
Extension code [ -W ]
→ LTN156AT20-W
Surface type [ Glare ]
Any modification of Spec is not allowed without Samsung’s permission
Application engineering part, LCD Division
Samsung Display Co., Ltd.
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3.1 TFT LCD Module
-
CONTENTS
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Revision History
General Description
1. Absolute Maximum Ratings
-----------------( 3 )
-
-------------------( 4 )
-------------------( 5 )
1.1 Absolute Ratings of environment
1.2 Electrical Absolute Ratings
2. Optical Characteristics
3. Electrical Characteristics
-------------------( 7 )
-------------------( 10 )
3.2 Backlight Unit
3.3 LED Driver
4. Block Diagram
-------------------( 13 )
4.1 TFT LCD Module
4.2 Back-Light Unit
5. Input Terminal Pin Assignment
-------------------( 14 )
5.1 Input Signal & Power
5.2 LVDS Interface
5.3 Timing Diagrams of LVDS For Transmitting
5.4 Input Signals, Basic Display Colors and Gray Scale of Each Color.
5.5 Pixel format
6. Interface Timing
-------------------( 19 )
6.1 Timing Parameters
6.2 Timing Diagrams of interface Signal
6.3 Power ON/OFF Sequence
7. Outline Dimension
8. Packing
9. Markings & Others
10. General Precautions
11. EDID
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-------------------( 21 )
------------------- ( 23 )
------------------- ( 24 )
------------------- ( 26 )
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SPEC REVISION HISTORY
Date Revision No. Page
Dec. 23, 2011 A00 All The approval specification of LTN156AT20-W was issued first.
Mar. 14, 2012 A01 p24 The product label was updated.
Apr. 16. 2012 A02
p22
p22
P25
The location of BLU label was moved from left to right side
USP code was deleted.
Small box label was modified.
Summary
Approval
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(LCD) that uses amorphous silicon TFT as switching devices. This model is composed of a TFT LCD panel, a driver circuit and a backlight system. The resolution of a 15.6" contains
pixels and can display up to 262,144 colors. 6 O'clock direction is the Optimum
If the usage of this product is not for PC application, but for others, please contact Samsung
Low power consumption
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GENERAL DESCRIPTION
DESCRIPTION
LTN156AT20- W is a color active matrix TFT (Thin Film Transistor) liquid crystal display
1366 x 768
viewing angle.
FEATURES
• Thin and light weight
• High contrast ratio, high aperture structure
• 1366 x 768 pixels resolution (16:9)
• Fast Response Time
•
• LED BLU Structure
• DE (Data enable) only mode
• 3.3V LVDS Interface
• On board EDID chip
• Pb-free product
• Advanced Power Saving function
APPLICATIONS
• Notebook PC
•
GENERAL INFORMATION
Item Specification Unit Note
Display area 344.232 (H) x 193.536 (V) (15.6”diagonal) mm
Driver element a-Si TFT active matrix
Display colors 262,144
Number of pixel 1366 x 768 pixel
Pixel arrangement RGB vertical stripe
Pixel pitch 0.252 (H) x 0.252 (V) (TYP.) mm
16 : 9
Display Mode Normally white
Surface treatment Haze 0, Hardness 3H
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Glare
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Typ.
Temperature (
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Mechanical Information
Item Min.
Horizontal (H) 359.0 359.5 360.0 mm
Module
size
Note (1) Measurement condition of outline dimension
Vertical (V)
Depth (D) - - 3.8 mm (1)
Weight - - 440 g
. Equipment : Vernier Calipers . Push Force : 750g f (minimum)
223.3 223.8 224.3 mm Flange ~ PCB
206.1 206.6 207.1 mm Module ~ Module
1. ABSOLUTE MAXIMUM RATINGS
1.1 ENVIRONMENTAL ABSOLUTE RATINGS
Item Symbol Min. Max. Unit Note
Storage temperate TSTG -20 60 qC(1)
Approval
Max. Unit Note
Operating temperate
(Temperature of glass surface)
Shock ( non-operating ) Snop - 240 G (2),(4)
Vibration (non-operating) Vnop - 2.41 G (3),(4)
Note (1) Temperature and relative humidity range are shown in the figure below.
95 % RH Max. (40 qC t Ta) Maximum wet - bulb temperature at 39
100
90
80
60
40
20
0
-40 -20 0 20 40 60 80
TOPR 0 50 qC(1)
O
C or less. (Ta ! 40 qC ) No condensation
Relative Humidity ( %RH)
( 40,90 )
Operating Range
Storage Range
5
O
C)
( 50,50.4 )
( 60,27.7 )
(2) 2ms, half sine wave, one time for rX, rY, r 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
Item Symbol Min. Max. Unit Note
Power Supply Voltage VDD VDD – 0.3 VDD + 0.3 V (1)
Approval
DD =3.3V, VSS = GND = 0V
V
Logic Input Voltage V
Note (1) Within Ta (25 r 2 qC)
DD VDD – 0.3 VDD + 0.3 V (1)
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should be measured in a dark room or equivalent state with the methods shown in Note (5).
Ta = 25
Average Luminance
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2. OPTICAL CHARACTERISTICS
The following items are measured under stable conditions. The optical characteristics
Measuring equipment : TOPCON SR-3
*
r 2 qC, VDD=3.3V, fv= 60Hz, fDCLK =72.33 MHz, IL = 25mA
Item Symbol Condition Min. Typ. Max Unit Note
Contrast Ratio
(5 Points)
Response Time at Ta
( Rising + Falling )
of White (5 Points)
Color
Chromaticity
( CIE )
Viewing
Angle
Red
Green
Blue
White
Hor.
Ver.
CR
RT - 16 25 msec (1), (3)
T
Y
L,AVE 170 200 - cd/m
400 500 - -
(1), (2),
2
Normal
RX 0.540 0.570 0.600
Viewing
Angle
Y 0.310 0.340 0.370
R
X 0.300 0.330 0.360
G
Y 0.530 0.560 0.590
G
I = 0 T = 0
-
X 0.130 0.160 0.190
B
Y 0.105 0.135 0.165
B
X 0.283 0.313 0.343
W
Y 0.299 0.329 0.359
W
L
T
R
T
CR t 10
I
H
I
L
40 45 -
40 45 -
Degrees
10 15 -
30 35 -
(5)
IL=
25mA
(1), (4)
(1), (5)
SR-3
(1), (5)
SR-3
Color Gamut - 45 - %
13 Points
White Variation
L
G
- - 1.7 - (6)
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d
L37
T
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Note 1) Definition of Viewing Angle : Viewing angle range(10
Normal Line
o
I = 0
,
T = 0
C/R)
o
Approval
T L
T R
TL=90
o
x
I L
I H
y
12 O’clock
direction
IH= 90
6 O’clock
direction
IL= 90
o
x'y'
T
=90
R
Note 2) Definition of Contrast Ratio (CR) : Ratio of gray max (Gmax) ,gray min (Gmin)
at 5 points (33, 55, 77, 37, 73)
CR(33) + CR(55) + CR(77) + CR(37) + CR(73)
CR =
5
o
o
Points : 33, 55, 77, 37, 73 at the figure of Note (6).
Note 3) Definition of Response time :
Display data
White(TFT OFF)
TR
Black(TFT ON)
White(TFT OFF)
F
100%
Optical
90%
Response
10%
0%
Note 4) Definition of Average Luminance of White : measure the luminance of white at 5 points.
(30%) (50%) (70%)
VIEW AREA
Average Luminance of White ( Y
Y
L33 + YL55 + YL77 + Y
YL,AVE =
5
L,AVE )
+ YL73
33
55
73
37
(30%)
(50%)
77
(70%)
Time
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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 : 25.0mA Environment condition : Ta = 25 r 2 qC
Photo-detector
( TOPCON SR-3 )
Field
= 2q
50 cm
TFT-LCD module
Center of the screen
[ Optical characteristics measurement setup ]
Note 6) Definition of 13 points white variation (G L ), [ ~ ]
Maximum luminance of 13 points
113
G L =
Minimum luminance of 13 points
10mm
10mm
13 12
25% 50%
10
75%
9
LCD panel
10mm
11
25%
8
5
3
10mm
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4
2
6
50%
75%
1
: test point
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