Samsung LTN-121XJ-L07 Datasheet
Approval
DATE : Nov.4. 2008
SAMSUNG TFT-LCD
SAMSUNG TFT-LCD
MODEL NO. : LTN121XJ-L07
MODEL NO. : LTN121XJ-L07
NOTE : Extension code [ -0 ]
→ LTN121XJ-L07-0
Surface type [ ARC150T ]
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Any Modification of Spec is not allowed without SEC’ permission
APPROVED BY :
PREPARED BY : LCD Mobile Development Group 1
Green Product (Complied with RoHS requirement)
SEC Secret
SAMSUNG ELECTRONICS CO., LTD.
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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 Back-light Unit
4. Block Diagram
4.1 TFT LCD Module
4.2 Back-light Unit
5. Input Terminal Pin Assignment
5.1 Input Signal & Power
5.2 LVDS Interface
5.3 Back-light Unit
5.4 Timing Diagrams of LVDS For Transmitting
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5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color.
5.6 Pixel format
- - - - - - - - - - - - - - - - - - - ( 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 Precautions
11. EDID data
SEC Secret
- - - - - - - - - - - - - - - - - - - ( 19 )
- - - - - - - - - - - - - - - - - - - ( 21 )
- - - - - - - - - - - - - - - - - - - ( 22 )
- - - - - - - - - - - - - - - - - - - ( 23 )
-- - - - - - - - - - - - - - - -- - - ( 25 )
-- - - - - - - - - - - - - - -- - - - ( 28 )
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GENERAL DESCRIPTION
DESCRIPTION
LTN121XJ-L07 is a color active matrix TFT (Thin Film Transistor) liquid crystal display
(LCD)that uses amorphous silicon TFT as a switching devices. This model is composed
of a TFTLCD panel, a driver circuit and a back-light system. The resolution of
a 12.1 ″ contains 1024 x 768 pixels and can display up to 262,144colors.
6 o'clock direction is the optimum viewing angle.
FEATURES
• Ultra Thin and light weight
• High contrast ratio
• XGA (1024x768 pixels) resolution
• Low power consumption
• DE (Data enable) only mode.
• 3.3V LVDS Interface
• On board EDID chip
• Auto Recovery Function
• RoHS Compliance
Approval
APPLICATIONS
Notebook PC and desktop monitors
If the usage of this product is not for PC application, but for others, please contact SEC.
GENERAL INFORMATION
Display area
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245.76(H) x 184.32(V) (12.1″ diagonal )
a-Si TFT active matrixDriver element
RGB vertical stripePixel arrangement
mm
Color262,144Display colors
pixel1024 x 768 (XGA)Number of pixel
mm0.240(H) x 0.240(V) (TYP.)Pixel pitch
NOTEUNITSPECIFICATIONITEM
Surface treatment
Of Polarizer
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Normally whiteDisplay Mode
HAZE Typ 40, HARDNESS 2H,
(ARC150T)
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MECHANICAL INFORMATION
Approval
Module
size
Note (1) Measurement condition of outline dimension
. Equipment : Vernier Calipers
. Push Force : 500g ⋅f (minimum)
1. ABSOLUTE MAXIMUM RATINGS
1.1 ABSOLUTE RATINGS OF ENVIRONMENT
Storage temperate
Operating temperate
(Temperature of glass surface)
STG
OPR
Max.
261.5
198.5
-SnopShock ( non-operating )
5.0
mm261.0260.5Horizontal (H)
mm198.0197.5Vertical (V)
mm4.7-Depth (D)
210
NoteUnitTyp.Min.Item
g275-Weight
NoteUnitMax.Min.SymbolItem
(1)°C60-20 T
(1)°C500T
(2),(5)
G
(3),(5)50
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Note (1) Temperature and relative humidity range are shown in the figure below.
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95 % RH Max. ( 40 OC ≥ Ta)
Maximum wet - bulb temperature at 39 OC or less. (Ta > 40 OC) No condensation.
(2) 3ms, half sine wave, one time for ±X,±Y,±Z.
(3) 18ms, Trapezoidal wave, one time for ±X,±Y,±Z.
(4) 5~500 Hz, Random vibration, 30 min for X,Y,Z.
(5) 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.
100
-40 -20 0 20 40 60 80
Relative Humidity ( %RH)
95
80
60
40
20
Operating Range
8
Storage Range
5
0
Temperature (
O
C)
(4),(5)G2.41-VnopVibration (non-operating)
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1.2 ELECTRICAL ABSOLUTE RATINGS
Approval
(1) TFT LCD MODULE
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.
L
L
( Vss = GND = 0 V)
NoteUnitMaxMinSymbolITEM
(1)VVdd+0.3Vss-0.3VddPower Supply Voltage
(1)VVdd+0.3Vss-0.3VinLogic Input Voltage
Ta = 25 ± 2 °C
NoteUnitMaxMinSymbolITEM
(1)mArms7.02.0I
(1)KHz8050F
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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 , PR650
Contrast Ratio
(5 Points)
Response
Time at 25℃
Average Luminance
of White (5point)
Color
Chromaticity
( CIE )
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Rising
Falling
Red
Green
Blue
* Ta = 25 ± 2°C , VDD=3.3V, fv= 50Hz, f
CR
f
AVE
Normal
X
Y
X
Y
X
Y
Viewing
Angle
φ = 0
θ = 0
DCLK
=54.13MHz, IL= 5.0mA
Unit
-
7040TR+T
-150120YL,
0.5990.5690.539R
0.3620.3320.302R
0.3420.3120.282G
0.5740.5440.514G
0.1790.1490.119B
0.1620.1320.102B
cd/m
-
2
NoteMaxTyp.Min.ConditionSymbolItem
(1), (2), (5)-300
(1), (3)msec-
IL=5.0mA
(1), (4)
(1), (5)
SR-3
Viewing
Angle
13 Points
White Variation
5 Points
White Variation
SEC Secret
White
Hor.
Ver.
X
Y
θ
L
H
CR ≥ 10
H
L
L
L
0.3410.3130.285W
0.3490.3290.309W
-45-
-45-θ
-20-φ
-40-φ
Degree
s
-
(1), (5)
SR-3
(6)---65%δ
(6)--80%δ
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Note 1) Definition of Viewing Angle : Viewing angle range(10 ≤ C/R)
Normal Line
φ = 0°
,
θ = 0°
θ
L
θ
R
φ
H
θL =90
φ
o
x
L
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 FIGURE OF NOTE 6)
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4 9
5
White(TFT OFF) White(TFT OFF)
100 %
90 %
7
5
10
Black(TFT ON)
T
R
x'y'
θR=90
T
F
o
10 %
0 %
Note 4) Definition of Average Luminance of White : measure the luminance of white at 5 points.
256 512 768
Average Luminance of White ( Y
Y center = Y
Y
5AVG
SEC Secret
L7
YL4+ YL5+ YL7+ YL9+ Y
=
5
L,
)
10
7
L10
5
: test point
Time
VIEW AREA
9
4
192
384
576
lines
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Approval
Note 5) After stabilizing and leaving the panel alone at a given temperature for 30 minutes, the measurement
should be executed. Measurement should be executed in a stable, windless,and dark room.
30 minutes after lighting the back-light. This should be measured in the center of screen.
Lamp current : 5.0 mA
Environment condition : Ta = 25 ± 2 °C
Photo detector
( TOPCON SR-3)
Field = 2°
50 cm (SR-3)
TFT-LCD module
Center of the screen
Optical characteristics measurement setup
Note 6) Definition of 13 points white variation ( δW) [ ~ ]
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δ
L
13
Note 7) Definition of 5 points white variation ( δW) [ ]
δ
L
5
Minimum luminance of 13 points
=
Maximum luminance of 13 points
Minimum luminance of 5 points
=
Maximum luminance of 5 points
10mm
256 512
1 13
4
597 10
768
LCD panel
10mm
10mm
10mm
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13 12
10
8
5
3
7
2
11
9
4
192
6
384
576
(lines)
1
: test point
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