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Product Information
Product Information
SAMSUNG TFT-LCD SAMSUNG TFT-LCD
MODEL NO. :: LTN121XJ-L06 MODEL NO. LTN121XJ-L06
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LCD Product Planning Group 1, Marketing Team Samsung Electronics Co . , LTD.
Doc.No.
LTN121XJ-L06
ISSUED DATE
03/Mar/2006
Page
1 / 13
Product Information
CONTENTS
General Description
-------------------( 4 )
1. Electrical Absolute Ratings
-------------------( 4 )
2. Optical Characteristics
-------------------( 5 )
3. Electrical Characteristics 3.1 TFT LCD Module 3.2 Backlight Unit
-------------------( 6 )
4. Block Diagram 4.1 TFT LCD Module 4.2 Backlight Unit
-------------------( 7 )
5. Input Terminal Pin Assignment -------------------( 8 ) 5.1 Input Signal & Power 5.2 Backlight Unit 5.3 Timing Diagrams of LVDS For Transmitting
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6. Interface Timing 6.1 Timing Parameters 6.2 Timing Diagrams of interface Signal 6.3 Power ON/OFF Sequence
- - - - - - - - - - - - - - - - - - - ( 10 )
7. Outline Dimension
- - - - - - - - - - - - - - - - - - - ( 12 )
Doc.No.
LTN121XJ-L06
ISSUED DATE
03/Mar/2006
Page
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Product Information
GENERAL DESCRIPTION
DESCRIPTION LTN121XJ-L06 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 TFT LCD panel, a driver circuit and a backlight system. The resolution of a 12.1" contains 1024 x 768 pixels and can display up to 262,144 colors. 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 * PB-Free 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
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Specification 245.76(H) X 184.32(V) (12.1"diagonal) a-si TFT active matrix 262,144 1024 x 768 (XGA ) RGB vertical stripe 0.240(H) x 0.240(V) Normally white Haze 25, Hard-Coating 3H
Unit mm
Note
Display area Driver element Display colors Number of pixel Pixel arrangement Pixel pitch Display Mode Surface treatment
pixel
mm
Doc.No.
LTN121XJ-L06
ISSUED DATE
03/Mar/2006
Page
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Product Information
MECHANICAL INFORMATION
Item Horizontal (H) Module size Vertical (V) Depth (D) Weight Min. 260.5 197.5 Typ. 261.0 198.0 4.7 290 Max. 261.5 198.5 5.0 300 Unit mm mm mm g (1) Note
Note (1) Measurement condition of outline dimension . Equipment : Vernier Calipers . Push Force : 500g f (minimum)
1. ELECTRICAL ABSOLUTE RATINGS
(1) TFT LCD MODULE
VDD =3.3V, VSS = GND = 0V Item Power Supply Voltage Logic Input Voltage Note (1) Within Ta (25 2 C ) Symbol VDD VIN Min. VSS - 0.3 VSS - 0.3 Max. VDD + 0.3 VDD + 0.3 Unit V V Note (1) (1)
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(2) BACK-LIGHT UNIT
Ta = 25 2 C Item Lamp Current Lamp frequency Symbol IL FL Min. 3.0 50 Max. 7.0 80 Unit mArms kHz Note (1) (1)
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.
Doc.No.
LTN121XJ-L06
ISSUED DATE
03/Mar/2006
Page
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Product Information
2. OPTICAL CHARACTERISTICS
The following items are measured under stable conditions. The optical characteristics should be measured in a dark room or equivalent state. Measuring equipment : TOPCON BM-5A and PR-650
* Ta = 25 2 C, VDD=3.3V, fv= 60Hz, fDCLK = 65MHz, IL = 6.0 mA Item Contrast Ratio (5 Points) Rising Falling Symbol Condition Min. Typ. Max Unit
CR
250
300
-
-
Response Time at Ta
TR TT
-
10 30
20 msec 50 cd/m2
Average Luminance of White (5 Points)
YL,AVE
170
200
-
RX Red RY GX Green Color Chromaticity ( CIE )
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0.565 Normal Viewing Angle =0 =0 0.310 0.285 0.505 0.125 0.110 0.283 0.299 40 40 CR 10 10 25
0.596 0.340 0.315 0.535 0.155 0.140 0.313 0.329 45 45 15 30
0.625 0.370 0.345 0.565 0.185 0.170 0.343 0.359
GY BX Blue BY WX White WY L Hor. H H L
Viewing Angle Ver.
Degrees
13 Points White Variation
L
-
-
2.2
-
Doc.No.
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3. ELECTRICAL CHARACTERISTICS
3.1 TFT LCD MODULE
Product Information
Ta= 25 2C
Item Voltage of Power Supply Differential Input Voltage for LVDS Receiver Threshold Vsync Frequency Hsync Frequency Main Frequency Rush Current White Current of Power Supply Mosaic V. Stripe High Low
Symbol VDD VIH VIL fv fH fDCLK IRUSH
Min. 3.0 -100 -
Typ. 3.3 60 48.2 65 270 300 350
Max. 3.6 +100 1.5 400
Unit V mV mV Hz KHz MHz A mA mA mA
Note
VCM = +1.2V
IDD
-
3.2 BACK-LIGHT UNIT
The backlight system is an edge-lighting type with a single CCFT ( Cold Cathode Fluorescent Tube ). The characteristics of a single lamp are shown in the following table. - INVERTER : SEM SIC 130T
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Ta= 25 2 C Min. 3.0 Typ. 6.0 565 50 60 3.4 10,000 1080 Max. 6.5 65 Unit mArms Vrms KHz W Hour Vrms Vrms sec 25C 0C IL=6.0mA IL=6.0mA Note
Symbol IL VL fL PL Hr
Lamp Current Lamp Voltage Frequency Power Consumption Operating Life Time
Startup Voltage
VS
-
1300
Lamp startup time
-
-
1.0
Doc.No.
LTN121XJ-L06
ISSUED DATE
03/Mar/2006
Page
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Product Information
4. BLOCK DIAGRAM
4.1 TFT LCD Module
LVDS
InputConnector
RSDS
DF-19L-20P-1H
or Compatible
LVDS Input/RSDS Output Timing Controller Source Driver IC Gamma Generator VCOM Generator Gate Pulse Generator
12.1" XGA TFT-LCD Panel
DC-DC Converter
SOURCE PCB
Video Signal Control Signal VCOM Gamma DVDD AVDD Von/Voff
Gate IC
4.2 BACK-LIGHT UNIT
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Reflector
LAMP 1 HOT (Pink)
2 COLD(White)
Note) The output of the inverter may change according to the material of the reflector.
Doc.No.
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ISSUED DATE
03/Mar/2006
Page
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Product Information
5. INPUT TERMINAL PIN ASSIGNMENT
5.1. Input Signal & Power LVDS, Connector : (Hirose, DF-19L-20P-1H or Compatible)
PIN NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14
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SYMBOL VSS VDD VDD VEDID NC CLOCKEDID DATAEDID RxIN0RxIN0+ VSS RxIN1RxIN1+ VSS RxIN2RxIN3+ VSS RxCLKRxCLK+ VSS VSS Ground
FUNCTION
POLARITY
REMARK
POWER SUPPLY +3.3V POWER SUPPLY +3.3V DCC 3.3V Power No connection DDC Clock DDC Data LVDS Differential Data INPUT(R0-R5, G0) LVDS Differential Data INPUT(R0-R5, G0) Ground LVDS Differential Data INPUT(G1-G5, B0-B1) LVDS Differential Data INPUT(G1-G5, B0-B1) Ground LVDS Differential Data INPUT(B2-B5, Sync, DE) LVDS Differential Data INPUT(B2-B5, Sync, DE) Ground LVDS Differential Clock INPUT(Clock) LVDS Differential Clock INPUT(Clock) Ground Ground Negative Positive Negative Positive Negative Positive Negative Positive
15 16
17 18 19 20
Doc.No.
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ISSUED DATE
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Product Information
5.2 BACK LIGHT UNIT
Connector : JST BHSR - 02VS -1 Mating Connector : SM02B-BHSS-1(JST) Pin NO. 1 2 Symbol HOT COLD Color Pink White Function High Voltage Low Voltage
5.3 Timing Diagrams of LVDS For Transmission LVDS Receiver : Integrated T-CON T
O_TxCLK OUT 0_RxCLK IN
T/7
O_RxIN2
TxIN20
TxIN19
TxIN18
TxIN17
TxIN16
TxIN15
TxIN14
DE
Vsync
Hsync
B5
B4
B3
B2
O_RxIN1
TxIN13 B1
TxIN12 B0
TxIN11 G5
TxIN10 G4
TxIN9 G3
TxIN8 G2
TxIN7 G1
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O_RxIN0
TxIN6 G0
TxIN5 R5
TxIN4
TxIN3
TxIN2 R2
TxIN1 R1
TxIN0 R0
R4
R3
Doc.No.
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ISSUED DATE
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6. INTERFACE TIMING
6.1 Timing Parameters
Signal Frame Frequency Vertical Active Display Term One Line Scanning Time Horizontal Active Display Term Item Cycle Display Period Cycle Display Period Symbol TV TVD Min. Typ. 806
Product Information
Max. -
Unit Lines
Note -
-
768
-
Lines
-
TH
-
1344
-
Clocks
-
THD
-
1024
-
Clocks
-
6.2 Timing diagrams of interface signal
TV
TVD DE
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TH
DCLK TC THD DE
DATA SIGNALS
Valid display data ( 1024 clocks)
Doc.No.
LTN121XJ-L06
ISSUED DATE
03/Mar/2006
Page
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6.3 Power ON/OFF Sequence
Product Information
: To prevent a latch-up or DC operation of the LCD module, the power on/off sequence should be as the diagram below. Power Supply 0.9 VDD VDD 0.1 VDD
0V 0.9 VDD 0.1 VDD
0.5 < T1 10 msec 0 < T2 50 msec 0 < T3 50 msec 500 msec T4 Signals
0V
T1 T2
VALID
T3 T4
Power On
Power Off
Back-light 200 msec T5 200 msec T6 T5
50%
50%
T6
Power ON/OFF Sequence
T1 : Vdd rising time from 10% to 90% T2 : The time from Vdd to valid data at power ON. T3 : The time from valid data off to Vdd off at power Off. T4 : Vdd off time for Windows restart T5 : The time from valid data to B/L enable at power ON. T6 : The time from valid data off to B/L disable at power Off.
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NOTE. (1) The supply voltage of the external system for the module input should be the same as the definition of VDD. (2) Apply the lamp voltage within the LCD operation range. When the back-light turns on before the LCD operation or the LCD turns off before the back-light turns off, the display may momentarily become white. (3) In case of VDD = off level, please keep the level of input signals on the low or keep a high impedance. (4) T4 should be measured after the module has been fully discharged between power off and on period. (5) Interface signal shall not be kept at high impedance when the power is on. 03/Mar/2006
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7. MECHANICAL OUTLINE DIMENSION
[ Refer to the next page ]
Product Information
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Doc.No.
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ISSUED DATE
03/Mar/2006
Page
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