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LTN121AT11-801
Specification
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SAMSUNG LTN121AT11-801 Specification

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Approval
TO
DATE
: IT 萡
: Apr. 1, 2011.
SAMSUNG TFT-LCD
MODEL NO. : LTN121AT11-801
NOTE : Extension code [ -8 ]
→ LTN121AT11-801
Surface type [ Anti-Glare ]
Any modification of Spec is not allowed without SEC’s permission
APPROVED BY :
PREPARED BY :
Stan Kim
Application Engineer Group
SAMSUNG ELECTRONICS CO., LTD.
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CONTENTS
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Approval
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 )
3.1 TFT LCD Module
3.2 Backlight Unit
4. Block Diagram
-------------------( 13 )
4.1 TFT LCD Module
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
5.6 LED Driver Connector & Pin Assignment
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
-------------------( 19 )
-------------------( 22 )
--------------------( 24 )
--------------------( 25 )
--------------------( 27 )
--------------------( 29 )
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REVISION HISTORY
Date Revision No. Page
Mar. 31.2011 A00 All The Approval specification of LTN121AT11-801 was issued first.
Apr . 1.2011 A01 P12 Backlight input voltage range was changed.
Summary
Approval
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GENERAL DESCRIPTION
DESCRIPTION
LTN121AT11 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 12.1" contains 1280 x 800 pixels and can display up to 262,144 colors. 6 O'clock direction is the optimum
viewing angle.
FEATURES
• High contrast ratio
• WXGA (1280 x 800 pixels ) resolution
• Fast Response
• LED Back Light with embedded LED Driver
• DE (Data enable) only mode
• 3.3V LVDS Interface
• Onboard EEDID chip
• Green product (RoHS compliant)
APPLICATIONS
• Notebook PC
• If the usage of this product is not for PC application, but for others, please contact SEC
GENERAL INFORMATION
Item Specification Unit Note
Display area
Driver element
Display colors
Number of pixel
Pixel arrangement
Pixel pitch
261.12(H) x 163.2(V) ( 12.1” wide diagonal ) mm
a-Si TFT active matrix
262,144
1280 x 800 pixel
RGB vertical stripe
0.204(H) x 0.204(V) (TYP.) mm
Display Mode
Surface treatment
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Normally white
Haze 25, Hard-Coating 3H
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Mechanical Information
Item Min. Typ. Max. Unit Note
Horizontal (H) 274.0 274.5 275.0 mm
Module
size
Note (1) Measurement condition of outline dimension
Vertical (V) 177.0 177.5 178.0 mm
Depth (D) - - 3.6 mm (1)
Weight - - 290 g
. Equipment : Bernier Calipers . Push Force : 500 ρ 250 g f
1. ABSOLUTE MAXIMUM RATINGS
1.1 ENVIRONMENTAL ABSOLUTE RATINGS
Approval
Item Symbol Min. Max. Unit Note
Storage temperate TSTG -20 60 qC(1)
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
TOPR 0 50 qC(1)
O
C or less. (Ta ! 40 qC ) No condensation
Relative Humidity ( %RH)
100
80
60
40
20
90
Operating Range
( 40,90 )
( 50,50.4 )
( 60,27.7 )
Storage Range
5
0
-40 -20 0 20 40 60 80
O
Temperature (
C)
(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
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Approval
V
DD =3.3V, VSS = GND = 0V
Power Supply Voltage V
Logic Input Voltage V
Note (1) Within Ta (25 r 2 qC)
DD VDD - 0.3 VDD + 0.3 V (1)
IN VDD - 0.3 VDD + 0.3 V (1)
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0.580
0.330
0.335
0.555
0.160
0.115
0.313
0.329 30
45
30
45
10
20
20
30
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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
* Ta = 25 r 2 qC, VDD=3.3V, fv= 60Hz, fDCLK = 70.7MHz, IF = 27 mA
Item Symbol Condition Min. Typ. Max Unit Note
Contrast Ratio
(5 Points)
Response Time at Ta
( Rising + Falling )
Average Luminance of White (5 Points)
Red
Green
Color
Chromaticity
( CIE )
Blue
CR
RT - 16 25 msec (1), (3)
T
300 - - - (1), (2), (5)
IF=(TBD)m
Y
L,AVE 270 300 - cd/m
2
Normal
X
R
Viewing
Angle
Y
R
I = 0 T = 0
X
G
GY
B
X
TYP
-0.03
TYP
+0.03
-
BY
A
(1), (4)
(1), (5)
SR-3
X
W
White
WY
L
T
Hor.
R
Viewing
Angle
Ver.
T
H
I
CR t 10
At center
Degrees
IL
13 Points
White Variation
L
G
- - 1.7 - (6)
Color Gamut CG - 45 - %
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(1), (5)
SR-3
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Note 1) Definition of Viewing Angle : Viewing angle range(10
C/R)
Normal Line I = 0
o
,
T = 0
o
T L
T R
TL=90
o
I L
x
I H
y
12 O’clock
direction
IH= 90
6 O’clock
direction
IL= 90
o
x'y'
=90
T
R
Note 2) Definition of Contrast Ratio (CR) : Ratio of gray max (Gmax) ,gray min (Gmin)
at 5 points(4, 5, 7, 9, 10)
Approval
o
o
CR(4) + CR(5) + CR(7) + CR(9) + CR(10)
CR =
5
Points : , , , , at the figure of Note (6).
4 9
5
7
10
Note 3) Definition of Response time :
Display data
White(TFT OFF)
TR
Black(TFT ON)
White(TFT OFF)
TF
100%
90%
Optical Response
10%
0%
Note 4) Definition of Average Luminance of White : measure the luminance of white at 5 points.
Time
320 640 960
Average Luminance of White ( Y
L4 + YL5 + YL7 + YL9 + YL10
Y
L,AVE )
10
9
7
YL,AVE =
5
5
4
: test point
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VIEW AREA
200
400
600
(lines)
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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. IF current : (TBD) mA Environment condition : Ta = 25 r 2 qC
Photo-detector
( TOPCON SR-3 )
= 2q
Field
50 cm
TFT-LCD module
Center of the screen
[ Optical characteristics measurement setup ]
Note 6) Definition of 13 points white variation (G L ), CR variation( CVER ) [ ~ ]
Maximum luminance of 13 points
LCD panel
113
G L =
Minimum luminance of 13 points
10mm
11
10mm
10mm
320 640
13 12
960
10
8
5
3
10mm
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4
200
6
400
600
(lines)
1
: test point
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3. ELECTRICAL CHARACTERISTICS
3.1 TFT LCD MODULE
Item Symbol Min. Typ. Max. Unit Note
Voltage of Power Supply V
Differential Input
High V
Voltage for LVDS
Receiver Threshold
Low V
Vsync Frequency fv - 60 - Hz
Main Frequency f
Rush Current I
White
Current of Power
Supply
Mosaic -
DD 3.0 3.3 3.6 V
IH --+100mVVCM = +1.2V
IL -100 - - mV
DCLK - 70.7 - MHz
RUSH - - 1.5 A (4)
I
DD
Approval
Ta= 25 r 2qC
-
350 -
380
400
mA (2),(3)*a
mA (2),(3)*b
V. stripe -
400 410
mA (2),(3)*c
Note (1) Display data pins and timing signal pins should be connected.( GND = 0V )
(2) f
V = 60Hz, fDCLK = 70.7MHZ, VDD = 3.3V , DC Current.
(3) Power dissipation pattern
*a) White Pattern *b) Mosaic Pattern
VIEW AREA
Display Brightest Gray Level
Display Darkest Gray Level
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