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Customer : Proview DATE : 09.Apr.2007
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Product Information
Product Information
SAMSUNG TFT--
SAMSUNG TFT
SAMSUNG TFT-LCD
MODEL
MODEL
MODEL : LTA400WH-L01
Any Modification of Specification is not allowed without SEC's Permission.
NOTE :
hwwyv}hlkGi
LCD
LCD
: LTA400WH--
: LTA400WH
DATE
L01
L01
wylwhylkGi
DATE
09.Apr.2007
Yong Sun Kim
09.Apr.2007
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 --------------------------------------------------------------------------------- (7)
3. Electrical Characteristics ----------------------------------------------------------------------------- (10)
3.1 TFT LCD Module
3.2 Back Light Unit
3.3 Inverter Input & Specification
4. Block Diagram ------------------------------------------------------------------------------------------- (13)
5. Input Terminal Pin Assignment --------------------------------------------------------------------- (14)
5.1 Input Signal & Power
5.2 Inverter Input Pin Configuration
5.3 Inverter Input Power Sequence
5.4 LVDS Interface
5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
6. Interface Timing ---------------------------------------------------------------------------------------- (19)
6.1 Timing Parameters (DE only mode)
6.2 Timing Diagrams of interface Signal (DE only mode)
6.3 Power ON/OFF Sequence
7. Outline Dimension -------------------------------------------------------------------------------------- (22)
8. Packing --------------------------------------------------------------------------------------------------- (24)
9. Marking & Others --------------------------------------------------------------------------------------- (25)
10. General Precaution ----------------------------------------------------------------------------------- (26)
10.1 Handling
10.2 Storage
10.3 Operation
10.4 Operation Condition Guide
10.5 Others
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* Revision History
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Date
Apr
09,
2007
Rev.
No
SummaryPage
First issuedall06.000
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General Description
Description
LTA400WH-L01 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
1366 x 768 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, Display terminals for AV application products, and High Definition TV (HDTV).
Features
RoHS compliance (Pb-free)
High contrast ratio, high aperture ratio, fast response time
SPVA(Super Patterned Vertical Align) mode
Wide viewing angle (·178¶)
High speed response
WXGA (1366 x 768 pixels) resolution (16:9)
Low Power consumption
Direct Type 16 CCFTs(Cold Cathode Fluorescent Tube)
DE(Data Enable) mode
LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)
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General Information
Module Size
952.0(H
Haze 44% , Hard-coating (3H)Surface Treatment
RGB vertical stripePixel Arrangement
TYP
51.8(D
Normally BlackDisplay Mode
500 (Typ.)Luminance of White
) x 551.0(V
)
MAX
TYP
UnitSpecificationItems
)
mm
g11,000(Max.)Weight
mm0.648(H) x 0.216(W)*3Pixel Pitch
mm885.168(H) x 497.664(V)Active Display Area
colors8 bit - 16.7MDisplay Colors
pixel1366 x 768Number of Pixels
cd/m
2
Note
·1.0mm
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1. Absolute Maximum Ratings
If the condition exceeds maximum ratings, it can cause malfunction or unrecoverable
damage to the device.
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NoteUnitMax.Min.SymbolItem
Power Supply Voltage
Storage temperature
Glass surface
Center
DD
STG
OPR
temperature
(Operation)
T. Uniformity
Shock ( non - operating )
Vibration ( non - operating )
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
T
nop
nop
60-20T
500T
10-
50
(1)V16.5GND-0.5V
(2)
(2),(5)
(3)G-S
(4)G1.5-V
Fig. Temperature and Relative humidity range
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(5) Definition of test point
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5mm
5mm
12
5
LCD Module (Active)
3
(ƸT = | T
T should be less than 10
T
: Temperature of the center of the glass surface (Test point 5)
OPR
OPR–TMAX
T1~ T4 : Temperature of each edge of the glass surface
: The highest temperature of the glass surface
T
MAX
4
| )
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2. Optical Characteristics
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : TOPCON BM-5A, BM-7,Photo Research PR650
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Contrast Ratio
(Center of screen)
Response
Time
Luminance of White
(Center of screen)
Color
Chromaticity
(CIE 1931)
Rising
Falling
Red
Green
Blue
White
(Ta = 25 · 2¶C, VDD=12.0V, fv= 120Hz, f
TgG-to-G
L
Rx
Normal
TL,R=0
TU,D=0
Viewing
Angle
TYP.
-0.03
0.643
0.331Ry
0.281Gx
0.596Gy
0.144Bx
0.061By
0.280Wx
0.290Wy
-20001200C/R
-TBD-Tr
-TBD-Tf
-6-
-500400Y
TYP.
+0.03
=160MHz, IL= 8.0mA )
DCLK
NoteUnitMax.Typ.Min.ConditionSymbolItem
(3)
BM-5A
Msec
cd/m
2
(5)
BM-7
(6)
BM-5A
(7),(8)
PR650
T
Hor.
Viewing
Angle
Ver.
L
R
U
D
Brightness Uniformity
(9 Points)
uni
Note (1) 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.
Lamp current : 8.0mA
Environment condition : Ta = 25 · 2 ¶C
C/R˻10
%-72--Color Gamut
K-10000--Color Temperature
(7)
PR650
-8975
-8975T
Degree
-8975T
(8)
BM-5A
-8975T
%25--B
(4)
BM-5A
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ྙྚྛ
ྞ
ྡ
ྠ
ྜྷ ྜ
ྟ
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Field Photo detector
2°/1
2
°
°
1
°
BM-5A
BM-7
PR650
TFT - LCD Module
Note (2) Definition of test point
228 683 1138
Photo detector
Field
The center of the screen
BM-5A : 50
BM-7 : 50
PR650 : 50
LCD Panel
㎝
㎝
༃
128
384
640
Note (3) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point 㽶 of the panel
CR
/
G
max
G
min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
Active Area
Test Point
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Note (4) Definition of 9 points brightness uniformity
BB
Buni
Bmax : Maximum brightness
Bmin : Minimum brightness
Note (5) Definition of Response time : Sum of Tr, Tf
(max min)
100
B
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max
Display data
Optical Instruments
Response
Note (6) Definition of Luminance of White : Luminance of white at center point 㽶
Note (7) Definition of Color Chromaticity (CIE 1931)
Color coordinate of Red, Green, Blue & White at center point 㽶
Note (8) Definition of Viewing Angle
: Viewing angle range (C/R ı10)
100%
90%
10%
0%
Black (data
off)
T
R
White (data on)
White (data off)
T
F
TIME
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3. Electrical Characteristics
3.1 TFT LCD Module
The connector for display data & timing signal should be connected.
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Ta = 25¶C · 2 ¶C
NoteUnitMax.Typ.Min.SymbolItem
Voltage of Power Supply
Current
(a) Black
of Power
DD
I
DD
Supply
Vsync Frequency
Hsync Frequency
Main Frequency
Rush Current
V
H
DCLK
RUSH
Note (1) The ripple voltage should be controlled under 10% of VDD.
V=120Hz, fDCLK = 160MHz, V
(2) f
= 12.0V, DC Current.
DD
(3) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) N-Pattern
(1)V13.012.011.0V
mA-750-
mA-800-(b) White
(2),(3)
mA-900-(c) N-Pattern
Hz12512085f
kHz9896.665f
MHz164160110f
(4)A4.5--I
(4) Measurement Conditions
100%
90%
10%
GND
Rush Current I
can be measured when T
RUSH
T
RUSH
=470༕
. is 470༕.
RUSH
V
DD
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LCD Module
INVERTER
BOARD
INVERTER
BOARD
3.2 Back Light Unit
The back light unit contains 16 direct-lighting type CCFTs ( Cold Cathode Fluorescent
Tube ). The characteristics of lamps are shown in the following tables.
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Ta=25 · 2¶C
NoteUnitMax.Typ.Min.SymbolItem
Lamp Current
Lamp Voltage
L
L
mArms7.5-3.0I
Vrms1500-1365V
Note (1) It is defined as the time to take until the brightness reduces to 50% of its original value.
[Operating condition : Ta = 25·2, For single lamp only. ]
COLD1
COLD2
COLD 15
HOT1
HOT2
HOT15
(1)Hour--50,000HrOperating Life Time
HOT16
COLD 16
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3.3 Inverter Input Condition & Specification
ConditionsSymbolItems
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Specifications
NoteUnit
Max.Typ.Min.
Input
Voltage
Input
Current
Lamp
Current
Frequency
Backlight
On/Off
Dimming
Control
I
RUSH
LAMP
V
O
DIM
Vin=24.0V
Vdim=3.3V
Ta=25·YG¶jV25.024.023.0-Vin
Initial Turn-onA10--
mArms8.38.07.3Vdim=3.3 VI
kHz484338Vin=24.0 VF
-
-
5.25-2.4Vin=24.0 VON
-V
0.8-0Vin=24.0 VOFF
--3.3Max Lum
-V
0--Min. Lum
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4. Block Diagram
ڰڮڠڭٻڞڪککڠڞگڪڭ
ڰڮڠڭٻڞڪککڠڞگڪڭ
ڃڌڍډڋ ڱٻڎډڎٻ
ڃڌڍډڋ ڱٻڎډڎٻ
ڭڠڢڰڧڜگڪڭٻ
ڧڱڟڮ
ڧڱڟڮ
ڭڠڞڠڤڱڠڭ
ڭڠڞڠڤڱڠڭ
ڭڠڢڰڧڜگڪڭٻ
ڱڄٻ
ڱڄٻ
گڈڞڪک
گڈڞڪک
ڃۈڈڧڱڟڮڄ
ڃۈڈڧڱڟڮڄ
ڟڞڞٻڨڠڨڪڭڴ
ڟڞڞٻڨڠڨڪڭڴ
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ڡګڞ
ڟڜگڜٻ ڟۍډڤڞ
ڟڜگڜٻ ڟۍډڤڞ
ڃڒڍڋڞڣڄڳڑ
ڃڒڍڋڞڣڄڳڑ
ڢڜگڠٻ ڟۍډٻڤڞ
ڢڜگڠٻ ڟۍډٻڤڞ
ڃڍڐڑڞڣڄڳڎ
ڃڍڐڑڞڣڄڳڎ
ڧگڜڏڋڋڲڣ ګڜکڠڧ
ڟڞڊڟڞٻ
ڟڞڊڟڞٻ
ڞڪکڱڠڭگڠڭ
ڞڪکڱڠڭگڠڭ
ڞڪڧگڭڪڧ
ڟڜگڜ
ڱڤکڃڌڍډڋڱڄ
ڜڱڟڟ
ڱۊۉڊڱۊہہ
ڱڞڪڨ
ൊڱۊۇۏڼۂۀ
ڱڞڞڃڎډڎڱڄ
ڤڍڞ
ڞڪکگڭڪڧٻ
ګڞڝ
ڱۊۉڊڱۊہہڈڢڠکٻ
ڱۊۉڊڱۊہہڈڢڠکٻ
ڢڜڨڨڜڈڢڠکډٻ
ڢڜڨڨڜڈڢڠکډٻ
ڱڞڪڨٻڈڢڠکٻ
ڱڞڪڨٻڈڢڠکٻ
ڡګڞ
ڮڪڰڭڞڠٻ
ګڞڝ
ڟڜگڜٻ ڟۍډڤڞ
ڮڪڰڭڞڠٻ
ګڞڝ
ڟڜگڜٻ ڟۍډڤڞ
ڃڒڍڋڞڣڄڳڑ
ڃڒڍڋڞڣڄڳڑ
ڌڎڑڑٻۓٻڒڑړٻۓٻ
ڭڢڝ
ڢڜگڠٻ ڟۍډٻڤڞ
ڢڜگڠٻ ڟۍډٻڤڞ
ڃڍڒڋڞڣڄڳڎ
ڃڍڒڋڞڣڄڳڎ
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5. Input Terminal Pin Assignment
5.1. Input Signal & Power Connector : FI-RE51S-HF (JAE)
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DescriptionSymbolPinDescriptionSymbolPin
Even LVDS Signal +RE[0]P26DC 12VPower1
Even LVDS Signal -RE[1]N27DC 12VPower2
Even LVDS Signal +RE[1]P28DC 12VPower3
er4
34GNDGND9
Even LVDS Signal -RE[2]N29DC 12VPow
Even LVDS Signal + RE[2]P30DC 12VPower5
GNDGND31GNDGND6
Even LVDS Signal -RECLK-32GNDGND7
Even LVDS Signal +RECLK+33GNDGND8
GNDGND
Even LVDS Signal -RE[3]N35Odd LVDS Signal -RO[0]N10
Even LVDS Signal +RE[3]P36Odd LVDS Signal +RO[0]P11
No ConnectionRE[4]N37Odd LVDS Signal -RO[1]N12
No ConnectionRE[4]P38Odd LVDS Signal +RO[1]P13
GNDGND39Odd LVDS Signal -RO[2]N14
No ConnectionNC40Odd LVDS Signal +RO[2]P15
No ConnectionNC41GNDGND16
No ConnectionNC42Odd LVDS Signal -ROCLK-17
No ConnectionNC43Odd LVDS Signal +ROCLK+18
No ConnectionNC44GNDGND19
No ConnectionNC45Odd LVDS Signal -RO[3]N20
Note (1)No Connection: This PINS are only used for SAMSUNG internal using.
DD
SEQUENCE : On = V
OFF = Interface Signal(T3) ˻ LVDS Option ˻ V
(T1) ˻ LVDS Option ˻ Interface Signal(T2)
DD
No ConnectionNC46Odd LVDS Signal +RO[3]P21
No ConnectionNC47No ConnectionRO[4]N22
No ConnectionNC48No ConnectionRO[4]P23
No ConnectionNC49GNDGND24
No ConnectionNC50Even LVDS Signal -RE[0]N25
No ConnectionNC51
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Note(1) Pin number starts from Right side
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PCB
Pin No. 1 Pin No. 51
#1
connect name
#1
#51
#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
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Connector : S14B-PHA-SM-TB(LF) (JST)
Pin Configuration(FUNCTION)Pin No.
24 V1
24 V2
24 V3
24 V4
24 V5
GND6
GND7
Backlight On /Off [ON:2.4 - 5.25 V, OFF: 0 - 0.8 V]12
Dimming Control [0V:Min, 3.3V:Max]13
5.3. Inverter Input Power Sequence
Vin (24V)
20msec [Min]
Dimming Control
( 0 ~ 3.3 V )
0.5sec [Min]
0.95 Vin
0.1 Vin
GND8
GND9
GND10
No Connection11
No Connection14
1.1sec [Min]
0.5sec [Min]
Back Light On/Off
0.5sec [Min]
2.4 V
0.1sec [Min]
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5.4 LVDS Interface
- LVDS Receiver : THC63LVD104A
- Data Format (JEIDA)
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JEIDA -DATALVDS pin
R2TxIN/RxOUT0
R3TxIN/RxOUT1
R4TxIN/RxOUT2
TxOUT/RxIN0
TxOUT/RxIN1
TxOUT/RxIN2
R5TxIN/RxOUT3
R6TxIN/RxOUT4
R7TxIN/RxOUT6
G2TxIN/RxOUT7
G3TxIN/RxOUT8
G4TxIN/RxOUT9
G5TxIN/RxOUT12
G6TxIN/RxOUT13
G7TxIN/RxOUT14
B2TxIN/RxOUT15
B3TxIN/RxOUT18
B4TxIN/RxOUT19
B5TxIN/RxOUT20
B6TxIN/RxOUT21
B7TxIN/RxOUT22
TxOUT/RxIN3
HSYNCTxIN/RxOUT24
VSYNCTxIN/RxOUT25
DENTxIN/RxOUT26
R0TxIN/RxOUT27
R1TxIN/RxOUT5
G0TxIN/RxOUT10
G1TxIN/RxOUT11
B0TxIN/RxOUT16
B1TxIN/RxOUT17
RESERVEDTxIN/RxOUT23
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5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
COLOR
IC
BAS
COLOR
GRAY
SCALE
OF
RED
GRAY
SCALE
OF
GREEN
GRAY
SCALE
OF
BLUE
DISPLAY
(8bit)
UE
E
LACK
DARK
↑
↓
LIGHT
LACK
DARK
↑
↓
LIGHT
LACK
DARK
↑
↓
LIGHT
DATA SIGNAL
BLUEGREENRED
1111111100000000CYAN
1111111111111WHIT
:::::
:::::::::::::
:::::::::::::
::::::::::::::::::
::::::::::::::::::
::::::::::::::::::
000001111111100000000GREEN
:::::
::::::::::::::::::
GRAY
SCALE
LEVEL
B7B6B5B4B3B2B1B0G7G6G5G4G3G2G1G0R7R6R5R4R3R2R1R0
-000000000000000000000000BLACK
-111111110000000000000000BL
-000000001111111100000000GREEN
-11111111
-000000000000000011111111RED
-111111110000000011111111MAGENTA
-000000001111111111111111YELLOW
-11111111111
R0000000000000000000000000B
R1000000000000000000000001
R2000000000000000000000010
R3~
R252
R252000000000000000011111101
R252000000000000000011111110
R252000000000000000011111111RED
G0000000000000000000000000B
G1000000000000000100000000
G2000000000000001000000000
G3~
G252
G252000000001111110100000000
G252000000001111111000000000
G252000
B0000000000000000000000000B
B1000000010000000000000000
B2000000100000000000000000
B3~
B252
B252111111010000000000000000
B252111111100000000000000000
B252111111110000000000000000BLUE
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 )
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NOTEUnitMAX.TYP.MIN.SYMBOLITEMSIGNAL
Clock
Hsync
Vsync
Frequency
C
H
V
Active
Vertical
Display
Period
VD
Display Term
Vertical
Total
VB
Active
Horizontal
Display
Period
HD
Display Term
Horizontal
Total
H
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 V
DD = 3.3V
-MHz8280551/T
-KHz9896.665F
-Hz125120.085F
-Lines-768-T
-Lines1500806790T
-Clocks-1366-T
-clocks180016001450T
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6.2 Timing diagrams of interface signal ( DE only mode )
DE
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TV
TVD
VB
T
H
T
DE
DCLK
DATA
SIGNALS
THD
C
T
TC
TCH
CLK
D
T
DS
TCL
T
DH
0.5
V
CC
DISPLAY
DATA
DE
T
ES
0.5
V
CC
0.5
V
CC
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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.
0<T1˺10msec
0<T2˺50msec
0<T3˺50msec
1000msec˺T4
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1000msec˺T5
(Recommend Value)
100msec˺T6
(Recommend Value)
T1 : VDDrising time from 10% to 90%
T2 : The time from V
T3 : The time from valid data off to V
T4 : V
off time for Windows restart
DD
to valid data at power ON.
DD
off at power Off.
DD
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 V
DD
.
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 V
= off level,
DD
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.
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7. Outline Dimension (Front View)
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7. Outline Dimension (Rear View)
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8. PACKING
8.1 CARTON (Internal Package)
(1) Packing Form
Corrugated fiberboard box and corrugated cardboard as shock absorber
(2) Packing Method
Packing
-Pallet Box
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Direction be able to open it
Cushion-Foam
LCD Module
Cushion-Foam
Pallet-Plastic
8.2 Packing Specification
LCD Packing
10ea / (Packing-
Pallet Box)
RemarkSpecificationItem
1. 105 Kg / 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
1Box / PalletPallet
VerticalPacking Direction
126.7kgTotal Pallet Weight
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1. Pallet weight = 8kg
2. 8Kg/Pallet
1150mm(H) x 985mm(V) x 609mm(height)H x V x heightTotal Pallet Size
Pallet(8kg) + Module(10.5*10=105) +
Cushion(up+botton=7kg) + Pallet-BOX(6.7kg)
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9. MARKING & OTHERS
A nameplate bearing followed by is affixed to a shipped product at the specified
location on each product.
(1) Part number : LTA400WH-L01
(2) Revision: Three letters
(3) Lot number : X X X X XXX
(4) Nameplate Indication
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XX X
Cell Position No. (In the Glass)
Glass No. (In the one Lot)
Lot No. (Glass)
Month
Year (Note1)
Product code
Line
LTA400WH-L01
XXXXXXXXXX XXX
(5) Packing box attach
LTA400WH-L01
Week code : 05 29
week
year
40mm
Revision code
Lot number
80mm
100mm
Part number
XXXX
10
Box serial number
165mm
(6) Others
1. After service part
Lamps cannot be replaced because of the narrow bezel structure.
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10. General Precautions
10.1 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.
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(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.
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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
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(a) Do not connect 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 : 20·15
- Humidity : 55·20%
- 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.
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(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.
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