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PDF LTN121XJ-L07 Data sheet ( Hoja de datos )
| Número de pieza | LTN121XJ-L07 | |
| Descripción | Display Module | |
| Fabricantes | Samsung | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LTN121XJ-L07 (archivo pdf) en la parte inferior de esta página. Total 25 Páginas | ||
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Approval
DATE : Nov.4. 2008
SSAAMMSSUUNNGGTTFFTT-L-LCCDD
MMOODDEELL NNOO.. :: LLTTNN112211XXJJ--LL0077
NOTE : Extension code [ -0 ]
→ LTN121XJ-L07-0
Surface type [ ARC150T ]www.DataSheet.net/
Green Product (Complied with RoHS requirement)
Any Modification of Spec is not allowed without SEC’ permission
APPROVED BY :
PREPARED BY : LCD Mobile Development Group 1
SAMSUNG ELECTRONICS CO., LTD.
SEC Secret
Doc.No. LTN121XJ-L07
Rev.No
04-A00-G-070806
Page 1 / 29
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
1.2 ELECTRICAL ABSOLUTE RATINGS
(1) TFT LCD MODULE
ITEM
Symbol Min
Max
Power Supply Voltage
Vdd Vss-0.3 Vdd+0.3
Logic Input Voltage
Vin
NOTE (1) Within Ta = 25 ± 2 °C
Vss-0.3 Vdd+0.3
Approval
( Vss = GND = 0 V)
Unit Note
V (1)
V (1)
(2) BACK-LIGHT UNIT
ITEM
Symbol
Min
Max
Unit
Ta = 25 ± 2 °C
Note
Lamp current
Lamp frequency
IL 2.0 7.0 mArms
FL 50 80 KHz
(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.
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SEC Secret
Doc.No. LTN121XJ-L07
Rev.No
04-A00-G-070806
Page 5 / 29
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page 
3.2 BACKLIGHT UNIT
Approval
The back-light system is an edge - lighting type with a single CCFL ( Cold Cathode Fluorescent Lamp ).
The characteristics of a single lamp are shown in the following tables.
Ta = 25 ± 2°C
ITEM
Lamp Current
Lamp Voltage
Frequency
Power consumption
Operating Life Time
Startup Voltage
Lamp startup time
Symbol
IL
VL
FL
PL
HR
Min
3.0
-
50
-
10,000
VS -
-
Typ
5.0
580
60
3.0
-
-
-
Max
6.5
-
68
-
-
1200
1400
1.0
Unit
mArms
Vrms
KHz
W
Hours
Vrms
sec
Note
(1), (6)
IL=5.0mA
(2)
(3)
IL=5.0mA
(4)
25°C, (5)
0°C, (5)
(5)
Note) The waveform of the inverter output voltage must be area symmetric and the design of the inverter
must have specifications for the modularized lamp.
The performance of the backlight, for example life time or brightness, is much influenced by the
characteristics of the DC-AC inverter for the lamp. So all the parameters of an inverter should be carefully
designed so as not to produce too much leakage current from high-voltage output of the inverter.
When you design or order the inverter, please make sure that a poor lighting caused by the mismatch of
the backlight and the inverter(miss lighting, flicker, etc.) never occur. When you confirm it, the module
should be operated in the same condition as it is installed in your instrument.
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Note (1) Lamp current is measured with a high frequency current meter as shown below.
LCD
MODULE
HOT : (Pink)
1
2
COLD : (WHITE)
A
INVERTER
SEM SIC130T
SIC Inverter Switching Frequency :Typ 60KHz
(2) Lamp frequency may produce interference with horizontal synchronous frequency and this
may cause line flow on the display. Therefore lamp frequency should be detached from the
horizontal synchronous frequency and its harmonics as far as possible in order to avoid interference.
(3) refer to IL X VL to calculate.
(4) Life time (Hr) of a lamp can be defined as the time in which it continues to operate under the
condition Ta = 25 ±2 oC and IL = 5.0 mArms until one of the following event occurs.
1. When the brightness becomes 50% or lower than the original.
(5) The voltage above this value should be applied to the lamp for more than 1 second to startup
Otherwise the lamp may not be turned on.
(6) The minimum duty ratio of inverter should become more than 15%
SEC Secret
Doc.No. LTN121XJ-L07
Rev.No
04-A00-G-070806
Page 11 / 29
Datasheet pdf - http://www.DataSheet4U.co.kr/
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet LTN121XJ-L07.PDF ] | |
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