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Product Information
Customer :
SAMSUNG TFT-LCD TFT-
DATE : Jan. 11, 2008
MODEL : LTA400HA07
The Information Described in this Specification is Preliminary and can be changed without prior notice
NOTE :
APPROVAED BY
DATE Jan. 11, 2008
Customer's Approval Customer's
SIGNATURE DATE PREPARED BY
DATE Jan. 11, 2008
LCD Business Samsung Electronics Co . , LTD.
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Contents Revision History -------------------------------------------------------------------------------------------- (3) General Description --------------------------------------------------------------------------------------- (4) General Information --------------------------------------------------------------------------------------- (4) 1. Absolute Maximum Ratings -------------------------------------------------------------------------- (5) 2. Optical Characteristics --------------------------------------------------------------------------------- (6) 3. Electrical Characteristics ------------------------------------------------------------------------------- (9) 3.1 TFT LCD Module 3.2 Back Light Unit 3.3 Inverter Input & Specification 4. Block Diagram ------------------------------------------------------------------------------------------- (12) 5. Input Terminal Pin Assignment --------------------------------------------------------------------- (13) 4.1 Input Signal & Power 4.2 Inverter Input Pin Configuration 4.3 Inverter Input Power Sequence 4.4 LVDS Interface 4.5 Input Signals, Basic Display Colors and Gray Scale of Each Color 6. Interface Timing ---------------------------------------------------------------------------------------- (18) 5.1 Timing Parameters (DE only mode) 5.2 Timing Diagrams of interface Signal (DE only mode) 5.3 Power ON/OFF Sequence 7. Outline Dimension -------------------------------------------------------------------------------------- (21) 8. Packing --------------------------------------------------------------------------------------------------- (23) 9. Marking & Others --------------------------------------------------------------------------------------- (24) 10. General Precaution ------------------------------------------------------------------------------------ (25) 10.1 Handling 10.2 Storage 10.3 Operation 10.4 Operation Condition Guide 10.5 Others
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* Revision History
Date Jan. 11 2008 Rev. No 000 Page all Summary First issued
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General Description
Description LTA400HA07 is a color active matrix liquid crystal display (LCD) that uses amorphous silicon TFT(Thin Film Transistor) as switching components. This model is composed of a TFT LCD panel, a driver circuit and a back light unit. The resolution of a 40.0" is 1920 x 1080 and this model can display up to 16.7 million colors with wide viewing angle of 89 or higher in all directions. This panel is intended to support applications to provide a excellent performance for Flat Panel Display such as Home-alone Multimedia TFT-LCD TV and High Definition TV Features RoHS (Directive 2002/95/EC) compliance ( Pb-free ) High contrast ratio & aperture ratio with wide color gamut SPVA(Super Patterned Vertical Align) mode Wide viewing angle (178) High speed response & Natural Motion FHD resolution (16:9) Low Power consumption Direct Type 16 CCFLs(Cold Cathode Fluorescent Lamp) DE(Data Enable) mode LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)
General Information
Items Module Size Weight Pixel Pitch Active Display Area Surface Treatment Display Colors Number of Pixels Pixel Arrangement Display Mode Luminance of White Specification 952(HTyp) x 551(VTyp) 55.2(DMAX) 10,000(Max.) 0.46125(H) x 0.46125(W) 885.6(H) x 498.15(V) Haze 14% , Hard-coating (3H) 8bit - 16.7 M 1920 x 1080 RGB vertical stripe Normally Black 500 (Typ.) cd/m2 colors pixel Unit Note 1.0mm
g mm mm
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1. Absolute Maximum Ratings
If the condition exceeds maximum ratings, it can cause malfunction or unrecoverable damage to the device. Item Power Supply Voltage Storage temperature Glass surface Temperature (operation) Center T. uniformity SNOP Vnop Symbol VDD TSTG TOPR T X,Y Z Min. GND-1 -20 0 0 Max. 13.2 60 50 10 40 30 1.5 Unit V G G (2) Note (1) (2)
Shock ( non - operating ) Vibration ( non - operating )
(3) (4)
Note (1) Ta= 25 2 C (2) Temperature and relative humidity range are shown in the figure below. a. 90 % RH Max. (Ta 39 C) b. Relative Humidity is 90% or less. (Ta > 39 C) c. No condensation (3) 11ms, sine wave, one time for X, Y, Z axis (4) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
Fig. Temperature and Relative humidity range MODEL LTA400HA07 Doc. No 06-000-G-080111 Page 5 / 27

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2. Optical Characteristics
The optical characteristics should be measured in a dark room or equivalent. Measuring equipment : TOPCON BM-7,SPECTRORADIOMETER SR-3, ELDIM EZ-Contrast
Item Contrast Ratio (Center of screen) Response Time G-to-G
Symbol C/R Tg YL Rx Red Ry Gx Gy Bx By Wx
Luminance of White (Center of screen)
Color Chromaticity (CIE 1931)
Green
Blue
White
Wy
Color Gamut Color Temperature
Hor. Viewing Angle Ver. Brightness Uniformity of White (9 Points)
R U D Buni
- Test Equipment Setup The measurement should be executed in a stable, windless and dark room between 40min and 60min after lighting the back light at the given temperature for stabilization of the back light. This should be measured in the center of screen. Dimming Max. =3.3V Environment condition : Ta = 25
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(Ta = 25
2C, VDD=12V, fv= 60Hz, Dimming Max. =3.3V , fDCLK =148.5MHz)
Condition Min. 2,000 400 Normal L,R=0 U,D=0 Viewing Angle TYP. -0.03 Typ. 3000 8 500 0.642 0.337 0.280 0.605 0.147 0.060 0.280 TYP. +0.03 (5),(6) SR-3 Max. msec cd/m2 Unit Note (1) SR-3 (3) RD-80S (4) SR-3
0.290
75 C/R10 75 75 75 -
72 10000 89 89 89 89 -
25
% K
(5) SR-3 (5) SR-3
Degree
(6) EZ-Contrast
%
(2) SR-3
2C
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Photo detector SR-3 BM-7
Field 1 2
Photo detector
Field
SR-3 : 50 BM-7 : 50 EZ-Contrast : 0cm
TFT - LCD Module LCD Panel
The center of the screen
- Definition of test point 320 960 1600
180

Active Area
Test Point 540
900
Gmax : Luminance with all pixels white Gmin : Luminance with all pixels black
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Note (1) Definition of Contrast Ratio (C/R) : Ratio of gray max (Gmax) & gray min (Gmin) at the center point
of the panel
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Note (2) Definition of 9 points brightness uniformity of White At Max dimming voltage
Bmax : Maximum brightness Bmin : Minimum brightness Note (3) Definition of Response time : Sum of Tr, Tf Display data
Black (data off) White (data on)
Black (data off)
TR
Optical Instruments 100% Response 90%
TF
10% 0%
TIME
Note (6) Definition of Viewing Angle : Viewing angle range (C/R 10)
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Note (5) Definition of Color Chromaticity (CIE 1931) Color coordinate of Red, Green, Blue & White at center point
Note (4) Definition of Luminance of White : Luminance of white at center point
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3. Electrical Characteristics
3.1 TFT LCD Module
The connector for display data & timing signal should be connected. Ta = 25C 2 C
Item Voltage of Power Supply Current of Power Supply (a) Black (b) White (c) N-pattern fV fH fDCLK IRUSH IDD Symbol VDD Min. 10.8 48 50 130 Typ. 12 550 1100 1200 60 67.5 148.5 Max. 13.2 750 1400 1500 63 70 153 4.5 Unit V mA mA mA Hz kHz MHz A (4) (2),(3) Note (1)
Vsync Frequency Hsync Frequency Main Frequency Rush Current
Note (1) The ripple voltage should be controlled under 10% of VDD. (2) fV=60Hz, fDCLK = 148.5MHz, VDD = 12.0V, DC Current. (3) Power dissipation check pattern (LCD Module only) a) Black Pattern b) White Pattern c) N-pattern
(4) Measurement Conditions
100% 90% 10% GND
VDD
TRUSH=470 Rush Current IRUSH can be measured when TRUSH. is 470.
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3.2 Back Light Unit
The back light unit contains 16 direct-lighting type CCFLs ( Cold Cathode Fluorescent Lamp ). The characteristics of lamps are shown in the following tables. Ta=25 2C
Item Operating Life Time
Symbol Hr
Min. 50,000
Typ. -
Max. -
Unit Hour
Note (1)
Note (1) Life time (Hr) of a lamp : It is defined as the time in which it continues to operate under the condition of Ta = 252 for a lamp until the brightness becomes 50% or lower than it's original value.
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3.3 Inverter Input Condition & Specification
Items Input Voltage Input Current Lamp Current Backlight On/Off Symbol Conditions Specifications Min. 22.8 Typ. 24 Max. 25.2 Unit Note
IRUSH
Vin=24.0V Vdim=3.3V Ta=25 C Vdim =3.3V Vin=24.0 V Vin=24.0 V Max. Lum PWM = 100% Min. Lum PWM = 20%
-
-
10
A
(1)
IO,MAX ON OFF
8.00 2.4 0 -
8.5 3.3 0
9.0 5.3
mArms
-
V 0.8 V -
-
Dimming Control
VDIM
-
Note) Power Consumption is measured when 500 [ cd/m2 ] of luminance which is the typical luminance. Lamp Current is measured at the point before Lamp. (1) Max Value of the Power Consumption is measured during initial turn-on time* of the backlight
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Vin
-
V
Ta=252 C
CI REVIRD ETAG
ROTARENEG-mocV ROTARENEG-AMMAG CPF
CI BCP REVIRD ATAD ECRUOS
ATAD
ROTREVNOC CD/CD
YROMEM
CI BCP REVIRD ATAD ECRUOS
CPF
)NWOD PETS( ODL
RELLORTNOC GNIMIT
ROTCENNOC RESU
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4. Block Diagram
CONTROL PCB
Power
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5. Input Terminal Pin Assignment
5.1. Input Signal & Power
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Description Vdd (12V) Vdd (12V) Vdd (12V) Vdd (12V) Vdd (12V) GND GND GND GND RO[0]N RO[0]P RO[1]N RO[1]P RO[2]N Pin 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Even LVDS Signal Connector : FI-RE51S-HF (JAE) Description RE[0]P RE[1]N RE[1]P RE[2]N RE[2]P GND RECLKRECLK+ GND RE[3]N RE[3]P No connection No connection GND
15 16 17 18 19 20 21 22 23 24 25 Even LVDS Odd LVDS Signal
RO[2]P GND ROCLKROCLK+ GND RO[3]N RO[3]P No connection No connection GND RE[0]N
40 41 42 43 44 45 46 47 48 49 50 51
No connection No connection No connection No connection No connection LVDS_SEL No connection No connection No connection No connection No connection No connection NOTE1 NOTE2 NOTE1
( Note1) These PINS are only used for SAMSUNG internal using. DO NOT CONNECT. ( Note2) LVDS OPTION : If this PIN : HIGH (3.3 V) Normal LVDS format : LOW (GND) JEIDA LVDS format ( Default ) SEQUENCE : On = VDD(T1) LVDS Option Interface Signal(T2) OFF = Interface Signal(T3) LVDS Option VDD
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Note(3) Pin number starts from Left side
PCB
Pin No. 1 Pin No. 51
#1
#51
#1
#51
Fig. Connector diagram
a. All GND pins should be connected together and also be connected to the LCD's metal chassis. b. All power input pins should be connected together. c. All NC pins should be separated from other signal or power.
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5.2. Inverter Input Pin Configuration
Connector : S14B-PHA-SM-TB(LF) (JST)
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Pin Configuration (MASTER / SLAVE) 24 V 24 V 24 V 24 V 24 V GND GND GND GND GND No Connection Backlight On /Off [ON:2.4 - 5.25 V, OFF: 0 - 0.8 V] Dimming Control [0V:Min, 3.3V:Max] No Connection
5.3. Inverter Input Power Sequence
0.9 Vin
0.9 Vin
0.02sec [Min]
Vin (24V)
0.1 Vin
Dimming Control ( 0 ~ 3.3 V )
0.5sec [Min]
2.4V(On level)
0.5sec [Min]
0.8V(Off level)
Backlight On/Off
0sec [Min]
0sec [Min]
Note)
SEQUENCE : On = Vin(24V) > Dimming Control Backlight On/off OFF = Backlight On/Off Dimming Control > Vin(24V)
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5.4 LVDS Interface - LVDS Receiver : T-con (merged) - Data Format (JEIDA & VESA)
LVDS pin TxIN/RxOUT0 TxIN/RxOUT1 TxIN/RxOUT2 TxOUT/RxIN0 TxIN/RxOUT3 TxIN/RxOUT4 TxIN/RxOUT6 TxIN/RxOUT7 TxIN/RxOUT8 TxIN/RxOUT9 TxIN/RxOUT12 TxOUT/RxIN1 TxIN/RxOUT13 TxIN/RxOUT14 JEIDA -DATA R2 R3 R4 R5 R6 R7 G2 G3 G4 G5 G6 G7 VESA -DATA R0 R1 R2 R3 R4 R5 G0 G1 G2 G3 G4 G5
TxIN/RxOUT15
B2
B0
TxIN/RxOUT18 TxIN/RxOUT19 TxIN/RxOUT20 TxIN/RxOUT21 TxOUT/RxIN2 TxIN/RxOUT22 TxIN/RxOUT24 TxIN/RxOUT25 TxIN/RxOUT26 TxIN/RxOUT27 TxIN/RxOUT5 TxIN/RxOUT10 TxOUT/RxIN3 TxIN/RxOUT11 TxIN/RxOUT16 TxIN/RxOUT17 TxIN/RxOUT23
B3 B4 B5 B6 B7 HSYNC VSYNC DEN R0 R1 G0 G1 B0 B1 RESERVED
B1 B2 B3 B4 B5 HSYNC VSYNC DEN R6 R7 G6 G7 B6 B7 RESERVED
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5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
DATA SIGNAL COLOR DISPLAY
R0 R1 R2 R3
RED
R4 R5 R6 R7
GREEN
R8 R9 G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 B0 B1 B2 B3
BLUE
B4 B5 B6 B7 B8 B9
GRAY SCALE LEVEL 0 1 0 1 0 1 0 1 0 0 0 : : 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 : : 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 : : 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 : : 0 0 0 0 R0 R1 R2 R3~ R1020 R1021 R1022 R1023 G0
BLACK BLUE GREEN BASIC COLOR CYAN RED MAGENTA YELLOW WHITE BLACK
0 0 0 0 1 1 1 1 0 1
0 0 0 0 1 1 1 1 0 0 1 : : 0 1 1 0
0 0 0 0 1 1 1 1 0 0 0 : : 1 1 1 0
0 0 0 0 1 1 1 1 0 0 0 : : 1 1 1 0
0 0 0 0 1 1 1 1 0 0 0 : : 1 1 1 0
0 0 0 0 1 1 1 1 0 0 0 : : 1 1 1 0
0 0 0 0 1 1 1 1 0 0 0 : : 1 1 1 0
0 0 0 0 1 1 1 1 0 0 0 : : 1 1 1 0
0 0 0 0 1 1 1 1 0 0 0 : : 1 1 1 0
0 0 0 0 1 1 1 1 0 0 0 : : 1 1 1 0
0 0 1 1 0 0 1 1 0 0 0 : : 0 0 0 0
0 0 1 1 0 0 1 1 0 0 0 : : 0 0 0 0
0 0 1 1 0 0 1 1 0 0 0 : : 0 0 0 0
0 0 1 1 0 0 1 1 0 0 0 : : 0 0 0 0
0 0 1 1 0 0 1 1 0 0 0 : : 0 0 0 0
0 0 1 1 0 0 1 1 0 0 0 : : 0 0 0 0
0 0 1 1 0 0 1 1 0 0 0 : : 0 0 0 0
0 0 1 1 0 0 1 1 0 0 0 : : 0 0 0 0
0 0 1 1 0 0 1 1 0 0 0 : : 0 0 0 0
0 0 1 1 0 0 1 1 0 0 0 : : 0 0 0 0
0 1 0 1 0 1 0 1 0 0 0 : : 0 0 0 0
0 1 0 1 0 1 0 1 0 0 0 : : 0 0 0 0
0 1 0 1 0 1 0 1 0 0 0 : : 0 0 0 0
0 1 0 1 0 1 0 1 0 0 0 : : 0 0 0 0
0 1 0 1 0 1 0 1 0 0 0 : : 0 0 0 0
0 1 0 1 0 1 0 1 0 0 0 : : 0 0 0 0
GRAY SCALE OF RED
DARK
0 : : 1 0
LIGHT
RED BLACK
1 0
0 DARK 0 : : 0 0 GREEN BLACK 0 0 0 DARK 0 : : 0 0 BLUE 0
0 0 : : 0 0 0 0 0 0 : : 0 0 0
0 0 : : 0 0 0 0 0 0 : : 0 0 0
0 0 : : 0 0 0 0 0 0 : : 0 0 0
0 0 : : 0 0 0 0 0 0 : : 0 0 0
0 0 : : 0 0 0 0 0 0 : : 0 0 0
0 0 : : 0 0 0 0 0 0 : : 0 0 0
0 0 : : 0 0 0 0 0 0 : : 0 0 0
0 0 : : 0 0 0 0 0 0 : : 0 0 0
0 0 : : 0 0 0 0 0 0 : : 0 0 0
1 0 : : 1 0 1 0 0 0 : : 0 0 0
0 1 : : 0 1 1 0 0 0 : : 0 0 0
0 0 : : 1 1 1 0 0 0 : : 0 0 0
0 0 : : 1 1 1 0 0 0 : : 0 0 0
0 0 : : 1 1 1 0 0 0 : : 0 0 0
0 0 : : 1 1 1 0 0 0 : : 0 0 0
0 0 : : 1 1 1 0 0 0 : : 0 0 0
0 0 : : 1 1 1 0 0 0 : : 0 0 0
0 0 : : 1 1 1 0 0 0 : : 0 0 0
0 0 : : 1 1 1 0 0 0 : : 0 0 0
0 0 : : 0 0 0 0 1 0 : : 1 0 1
0 0 : : 0 0 0 0 0 1 : : 0 1 1
0 0 : : 0 0 0 0 0 0 : : 1 1 1
0 0 : : 0 0 0 0 0 0 : : 1 1 1
0 0 : : 0 0 0 0 0 0 : : 1 1 1
0 0 : : 0 0 0 0 0 0 : : 1 1 1
0 0 : : 0 0 0 0 0 0 : : 1 1 1
0 0 : : 0 0 0 0 0 0 : : 1 1 1
0 0 : : 0 0 0 0 0 0 : : 1 1 1
0 0 : : 0 0 0 0 0 0 : : 1 1 1
G1 G2 G3~ G1020 G1021 G1022 G1023 B0 B1 B2 B3~ B1020 B1021 B1022 B1023
GRAY SCALE OF GREEN
LIGHT
GRAY SCALE OF BLUE
LIGHT
Note) Definition of Gray : Rn : Red Gray, Gn : Green Gray, Bn : Blue Gray (n = Gray level) Input Signal : 0 = Low level voltage, 1 = High level voltage
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6. Interface Timing
6.1 Timing Parameters ( DE only mode )
SIGNAL Clock ITEM SYMBOL 1/TC Frequency FH FV Active Display Period Vertical Total Active Display Period MIN. 130 TYP. 148.5 MAX. 153 Unit MHz NOTE -
Hsync
50
67.5
70
KHz
-
Vsync
48
60
63
Hz
-
TVD
-
1080
-
lines
-
Vertical Display Term
TVB
1118
1125
1550
lines
-
THD
-
1920
-
clocks
-
Horizontal Display Term
Horizontal Total
TH
2160
2200
2600
clocks
-
Note) This product is DE only mode. The input of Hsync & Vsync signal does not have an effect on normal operation. (1) Test Point : TTL control signal and CLK at LVDS Tx input terminal in system (2) Internal VDD = 3.3V
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6.2 Timing diagrams of interface signal ( DE only mode )
TV TVD
TVB
DE
TH
THD
DE
DCLK
TC
DATA SIGNALS
TC
TCH
TCL
DCLK
TDS
0.5 VCC
TDH
DISPLAY DATA
TES
0.5 VCC
DE
0.5 VCC
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6.3 Power ON/OFF Sequence
To prevent a latch-up or DC operation of the LCD Module, the power on/off sequence should be as the diagram below.
01000msecT5
(Recommended value) 100msecT6 (Recommend Value )
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. The supply voltage of the external system for the Module input should be the same as the definition of VDD. 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 show abnormal screen. In case of VDD = off level, please keep the level of input signals low or keep a high impedance. T4 should be measured after the Module has been fully discharged between power off and on period. Interface signal should not be kept at high impedance when the power is on. In case T5 is less than 1000msec and T6 is less than 100msec, Garbage Display can be seen.( It is not related to electrical function issue, Just for recommendation to prevent Garbage Display )
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8. PACKING
7.1 CARTON (Internal Package)
(1) Packing Form Corrugated fiberboard box and corrugated cardboard as shock absorber (2) Packing Method
Packing Pallet Box Direction to open
Cushion Cover
Module (10EA)
Cushion Cover Pallet
7.2 Packing Specification
Item Specification Remark 1. 95Kg / LCD (10ea) 2. 7 Kg / Cushion-pallet (2ea) 3. 6.7 Kg / Packing-Pallet Box (1ea) 4. Cushion-pallet Material : EPS 5. Packing-Pallet Box Material : DW4 1. Pallet weight = 8kg
LCD Packing
10ea / (PackingPallet Box)
Pallet Packing Direction Total Pallet Size Total Pallet Weight
1Box / Pallet Vertical H x V x height 116.7Kg
1150mm(H) x 985mm(V) x 609mm(height) Pallet(8kg) + Module(95Kg) + Cushion(up+bottom=10kg) + Pallet-BOX(6.7Kg)
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9. MARKING & OTHERS
A name plate bearing followed by is affixed to a shipped product at the specified location on each product. (1) Parts number : LTA400HA07 (2) Revision: Three letters (3) Lot number : X X X X XXX XX X
Cell Position No. (In the Glass) Glass No. (In the one Lot) Lot No. (Glass) Month Year (Note1) Product code Line
(4) Nameplate Indication Week code : 05 29
LTA400HA07
40mm
week year
80mm
(5) Packing box attach
LTA400HA07
XXXX
10
(6) Others 1. After service part Lamps cannot be replaced because of the narrow bezel structure.
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165mm
XXX
100mm
X X X X X XXXXX
Revision code Lot number
Part number
Box serial number
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10. General Precautions
9.1 Handling
(a) When the Module is assembled, it should be attached to the system firmly using all mounting holes. Be careful not to twist and bend the Module. (b) Because the inverter use high voltage, it should be disconnected from power before it is assembled or disassembled. (c) Refrain from strong mechanical shock and / or any force to the Module. In addition to damage, this may cause improper operation or damage to the Module and CCFT back light. (d) Note that polarizers are very fragile and could be damage easily. Do not press or scratch the surface harder than a HB pencil lead. (e) Wipe off water droplets or oil immediately. If you leave the droplets for a long time, staining or discoloration may occur. (f) If the surface of the polarizer is dirty, clean it using absorbent cotton or soft cloth. (g) Desirable cleaners are water, IPA(Isopropyl Alcohol) or Hexane. Do not use Ketone type materials(ex. Acetone), Ethyl alcohol, Toluene, Ethyl acid or Methyl chloride. It might permanent damage to the polarizer due to chemical reaction. (h) If the liquid crystal material leaks from the panel, it should be kept away from the eyes or mouth . In case of contact with hands, legs or clothes, it must be washed away with soap thoroughly. (i) Protect the Module from static, or the CMOS Gate Array IC would be damaged. (j) Use finger-stalls with soft gloves in order to keep display clean during the incoming inspection and assembly process. (k) Do not disassemble the Module. (l) Do not pull or fold the lamp wire. (m) Do not adjust the variable resistor located on the Module. (n) Protection film for polarizer on the Module should be slowly peeled off just before use so that the electrostatic charge can be minimized. (o) Pins of I/F connector should not be touched directly with bare hands. MODEL LTA400HA07 Doc. No 06-000-G-080111 Page 25 / 27
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10.2 Storage
(a) Do not leave the Module in high temperature, and high humidity for a long time. It is highly recommended to store the Module with temperature from 0 to 35 and relative humidity of less than 70%. (b) Do not store the TFT-LCD Module in direct sunlight. (c) The Module should be stored in a dark place. It is prohibited to apply sunlight or fluorescent light in storing.
10.3 Operation
(a) No Connection or disconnect the Module in the "Power On" condition. (b) Power supply should always be turned on/off by the "Power on/off sequence" (c) Module has high frequency circuits. Sufficient suppression to the electromagnetic interference should be done by system manufacturers. Grounding and shielding methods may be important to minimize the interference.
(d) The cable between the back light connector and its inverter power supply should be connected directly with a minimized length. A longer cable between the back light and the inverter may cause lower luminance of lamp(CCFT) and may require higher startup voltage(Vs).
10.4 Operation Condition Guide
(a) The LCD product should be operated under normal conditions. Normal condition is defined as below; - Temperature : 2015 - Humidity : 5520% - Display pattern : continually changing pattern (Not stationary) (b) If the product will be used in extreme conditions such as high temperature, humidity, display patterns or operation time etc.., It is strongly recommended to contact SEC for Application engineering advice. Otherwise, its reliability and function may not be guaranteed. Extreme conditions are commonly found at Airports, Transit Stations, Banks, Stock market, and Controlling systems.
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10.5 Others
(a) Ultra-violet ray filter is necessary for outdoor operation. (b) Avoid condensation of water. It may result in improper operation or disconnection of electrode. (c) Do not exceed the absolute maximum rating value. ( supply voltage variation, input voltage variation, variation in part contents and environmental temperature, and so on) Otherwise the Module may be damaged. (d) If the Module keeps displaying the same pattern for a long period of time, the image may be "sticked" to the screen. To avoid image sticking, it is recommended to use a screen saver. (e) This Module has its circuitry PCB's on the rear side and should be handled carefully in order not to be stressed. (f) Please contact SEC in advance when you display the same pattern for a long time.
MODEL
LTA400HA07
Doc. No
06-000-G-080111
Page
27 / 27

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