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Product Information
DATE : 30.Apr.2007
SAMSUNG TFT-LCD
SAMSUNG TFT-LCD
MODEL : LTI320WT-L07
MODEL : LTI320WT-L07
The Information Described in this Specification is Preliminary and can be changed without
prior notice
DATE DATE
Nam-Heon Kim 30.Apr.2007 Yu-Geun Lee 30.Apr.2007
Development Team 2, 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. 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
5. 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
6. Outline Dimension -------------------------------------------------------------------------------------- (21)
7. Packing --------------------------------------------------------------------------------------------------- (23)
8. Marking & Others --------------------------------------------------------------------------------------- (24)
9. General Precaution ----------------------------------------------------------------------------------- (25)
9.1 Handling
9.2 Storage
9.3 Operation
9.4 Operation Condition Guide
9.5 Others
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* Revision History
Rev.
Date Page Summary
No
Apr
30, 000 all First issued
2007
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General Description
Description
LTI320WT-L07 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 32.0" 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 luminance
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 12 CCFTs(Cold Cathode Fluorescent Tube)
DE(Data Enable) mode
LVDS (Low Voltage Differential Signaling) interface (1pixel/clock)
General Information
Items Specification Unit Note
760.0(WTYP) x 450.0(HTYP) 1.0mm
Module Size mm
48.0(DMAX)
Weight 7,500(Max.) g
Pixel Pitch 0.51075(H) x 0.51075(V) mm
Active Display Area 697.6845(H) x 392.256(V) mm
Surface Treatment Haze 44% , Hard-coating (3H)
Display Colors 8 bit - 16.7M colors
Number of Pixels 1366 x 768 pixel
Pixel Arrangement RGB vertical stripe
Display Mode Normally Black
Luminance of White 600 (Typ.) cd/m2
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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 Symbol Min. Max. Unit Note
Power Supply Voltage VDD GND-0.5 5.5 V (1)
Storage temperature TSTG -20 60 (2)
Glass surface Center TOPR 0 50
temperature (2),(5)
(Operation) T. Uniformity T - 10
Shock ( non - operating ) Snop - 50 G (3)
Vibration ( non - operating ) Vnop - 1.5 G (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
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(5) Definition of test point
5mm
5mm
1 2
5
LCD Module (Active)
3 4
TOPR : Temperature of the center of the glass surface (Test point 5)
T1 ~ T4 : Temperature of each edge of the glass surface
TMAX : The highest temperature of the glass surface
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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
(Ta = 25 2 C, VDD = 5V, fv = 60Hz, fDCLK = 75MHz, IL = 8.0mArms)
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio (3)
C/R 1500 2000 -
(Center of screen) SR-3
Rising Tr - 10 13
Response (5)
Falling Tf - 6 10 msec
Time BM-7
G-to-G Tg - 8 -
Luminance of White (6)
YL Normal 550 600 - cd/m2
(Center of screen) SR-3
TL,R=0
Rx TU,D=0 0.635
Red
Ry 0.326
Viewing
Gx Angle 0.279
Green
Color Gy 0.591
TYP. TYP. (7),(8)
Chromaticity
Bx -0.03 0.144 +0.03 SR-3
(CIE 1931)
Blue
By 0.061
Wx 0.280
White
Wy 0.290
(7)
Color Gamut - - 72 - %
SR-3
(7)
Color Temperature - - 10,000 - K
SR-3
TL 75 89 -
Hor.
Viewing TR 75 89 - (8)
C/R 10 Degree
Angle TU 75 89 - SR-3
Ver.
TD 75 89 -
Brightness Uniformity (4)
Buni - - 25 %
(9 Points) SR-3
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.
Single lamp current : 8.0mA
Environment condition : Ta = 25 2 C
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Photo detector
Photo detector Field
SR-3 1
BM-7 2 Field
SR-3 : 50
BM-7 : 50
TFT - LCD Module
LCD Panel
The center of the screen
Note (2) Definition of test point
228 683 1138
128 Active Area
Test Point
384
640
Note (3) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point of the panel
G max
C/R
G min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
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Note (4) Definition of 9 points brightness uniformity
( B max B min)
Buni 100
B max
Bmax : Maximum brightness
Bmin : Minimum brightness
Note (5) Definition of Response time : Sum of Tr, Tf
Display data Black (data off) White (data on) White (data off)
TR TF
Optical Instruments
100%
Response
90%
10%
0%
TIME
Note (6) Definition of Luminance of White : Luminance of white at center point
Note (7) Definition of Color Chromaticity (CIE 1931)
Color coordinate of Red, Green, Blue & White at center point
Note (8) Definition of Viewing Angle
: Viewing angle range (C/R 10)
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4. Electrical Characteristics
3.1 TFT LCD Module
The connector for display data & timing signal should be connected.
Ta = 25 C 2 C
Item Symbol Min. Typ. Max. Unit Note
Voltage of Power Supply VDD 4.5 5.0 5.5 V (1)
(a) Black - 1000 - mA
Current
of Power (b) White IDD - 1400 - mA (2),(3)
Supply
(c) N-Pattern - 1500 2200 mA
Vsync Frequency fV 48 60 66 Hz
Hsync Frequency fH 44 48 53 kHz
Main Frequency fDCLK 65 75 82 MHz
Rush Current IRUSH - - 4 A (4)
Note (1) The ripple voltage should be controlled under 10% of VDD.
(2) fV = 60Hz, fDCLK = 75MHz, VDD = 5.0V, DC Current.
(3) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) N-Pattern
(4) Measurement Conditions
VDD
100%
90%
10%
GND
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 12 direct-lighting type CCFTs (Cold Cathode Fluorescent
Tube). The characteristics of lamps are shown in the following tables.
Ta=25 2 C
Item Symbol Min. Typ. Max. Unit Note
Lamp Current IL 3.0 8.0 8.5 mArms
Lamp Voltage VL - 1200 - Vrms
Operating Life Time Hr 50,000 - - Hour (1)
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 , IL = 8.0mArms, For single lamp only]
HOT 1
HOT 2
HOT 3
HOT 4
LCD
Inverter
Inverter Module
HOT 9
HOT 10
HOT 11
HOT 12
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3.3 Inverter Input Condition & Specification
Specifications
Items Symbol Conditions Unit Note
Min. Typ. Max.
Input
Vin - 22 24 26 V Ta=25
Voltage
Input Vin=24.0V
Iin - - 4.1 A
Current Vdim=3.3V
Lamp After 1 hour
IO,MAX Vdim=3.3V 7.5 8.0 8.5 mArms
Current Warm-up
Vin=24.0V
Frequency FLAMP 60.0 62.5 65.0 kHz
Vdim=3.3V
Backlight ON 2.4 - 5.25
Vin=24.0V V -
On/Off OFF 0 - 0.8
Dimming Max Lum 3.3 - -
VDIM V -
Control Min. Lum - - 0
Note (1) Power Consumption is measured at 600[cd/m2] of luminance condition which is
the typical luminance value. Lamp Current is measured at the point before Lamp.
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4. Input Terminal Pin Assignment
4.1 Input Signal & Power Connector : FI-E30S (JAE)
PIN No. Description PIN No. Description
1 No Connection (Note 1) 16 GND
2 No Connection (Note 1) 17 RxIN3-
3 No Connection (Note 1) 18 RxIN3+
4 GND 19 GND
5 RxIN0- 20 GND
6 RxIN0+ 21 LVDS Option (Note 2)
7 GND 22 No Connection (Note 1)
8 RxIN1- 23 GND
9 RxIN1+ 24 GND
10 GND 25 GND
11 RxIN2- 26 Vdd (5V)
12 RxIN2+ 27 Vdd (5V)
13 GND 28 Vdd (5V)
14 RxCLK- 29 Vdd (5V)
15 RxCLK+ 30 Vdd (5V)
Note (1) No Connection :These pins are only used for SAMSUNG internal purpose.
(2) LVDS Option : High (3.3 V) or Open (N.C) Normal LVDS format
: Low (GND) JEIDA LVDS format
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 Right side
PCB
Pin No. 1 Pin No. 30
#1 #30
#1 #30
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 N.C pins should be separated from other signal or power.
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4.2 Inverter Input Pin Configuration
Connector : JST, S14B-PHA-SM-TB(LF)
Pin No. Pin Configuration(FUNCTION)
1 Vin (24V)
2 Vin (24V)
3 Vin (24V)
4 Vin (24V)
5 Vin (24V)
6 GND
7 GND
8 GND
9 GND
10 GND
11 No Connection
12 Backlight On /Off [On: 2.4 ~ 5.25 V, Off: 0 ~ 0.8 V]
13 Dimming Control [0V: Min, 3.3V: Max]
14 No Connection
4.3 Inverter Input Power Sequence
1.1sec [Min]
0.9 Vin
20msec [Min]
Vin (24V)
0.1 Vin
Dimming Control
0.5sec [Min]
0.5sec [Min]
Back Light On/Off 2.4 V
0.5sec [Min] 0.1sec [Min]
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4.4 LVDS Interface
- LVDS Receiver : Tcon (merged)
- Data Format (JEIDA & Normal) Default LVDS Option : VESA
LVDS pin JEIDA -DATA VESA -DATA
TxIN/RxOUT0 R2 R0
TxIN/RxOUT1 R3 R1
TxIN/RxOUT2 R4 R2
TxOUT/RxIN0 TxIN/RxOUT3 R5 R3
TxIN/RxOUT4 R6 R4
TxIN/RxOUT6 R7 R5
TxIN/RxOUT7 G2 G0
TxIN/RxOUT8 G3 G1
TxIN/RxOUT9 G4 G2
TxIN/RxOUT12 G5 G3
TxOUT/RxIN1 TxIN/RxOUT13 G6 G4
TxIN/RxOUT14 G7 G5
TxIN/RxOUT15 B2 B0
TxIN/RxOUT18 B3 B1
TxIN/RxOUT19 B4 B2
TxIN/RxOUT20 B5 B3
TxIN/RxOUT21 B6 B4
TxOUT/RxIN2 TxIN/RxOUT22 B7 B5
TxIN/RxOUT24 HSYNC HSYNC
TxIN/RxOUT25 VSYNC VSYNC
TxIN/RxOUT26 DEN DEN
TxIN/RxOUT27 R0 R6
TxIN/RxOUT5 R1 R7
TxIN/RxOUT10 G0 G6
TxOUT/RxIN3 TxIN/RxOUT11 G1 G7
TxIN/RxOUT16 B0 B6
TxIN/RxOUT17 B1 B7
TxIN/RxOUT23 RESERVED RESERVED
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4.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
DATA SIGNAL
GRAY
DISPLAY
COLOR RED GREEN BLUE SCALE
(8bit)
LEVEL
R0 R1 R2 R3 R4 R5 R6 R7 G0 G1 G2 G3 G4 G5 G6 G7 B0 B1 B2 B3 B4 B5 B6 B7
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -
BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 -
GREEN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 -
BASIC CYAN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -
COLOR RED 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -
MAGENTA 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 -
YELLOW 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 -
WHITE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R0
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R1
DARK 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R2
GRAY
: : : : : : : : : : : : : : : : : :
SCALE R3~
OF : : : : : : : : : : : : : : : : : : R252
RED
LIGHT 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R253
0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R254
RED 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R255
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G0
0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G1
DARK 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G2
GRAY
SCALE : : : : : : : : : : : : : : : : : : G3~
OF : : : : : : : : : : : : : : : : : : G252
GREEN
LIGHT 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G253
0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G254
GREEN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G255
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 B0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 B1
DARK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 B2
GRAY
SCALE : : : : : : : : : : : : : : : : : : B3~
OF : : : : : : : : : : : : : : : : : : B252
BLUE
LIGHT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 B253
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 B254
BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 B255
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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5. Interface Timing
5.1 Timing Parameters (DE only mode)
Signal Item Symbol Min. Typ. Max. Unit Note
Clock 1/TC 65 75 82 MHz -
Hsync Frequency FH 44 48 53 KHz -
Vsync FV 48 60 66 Hz -
Active
Display TVD - 768 - Lines -
Vertical Period
Display Term
Vertical
TV 773 838 1200 Lines -
Total
Active
Display THD - 1366 - Clocks -
Horizontal Period
Display Term
Horizontal
TH 1460 1600 2000 Clocks -
Total
Note) This product is DE only mode. The input of Hsync & Vsync signal does
not have an effect on normal operation.
Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
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5.2 Timing diagrams of interface signal (DE only mode)
TV
TVD TVB
DE
TH
THD
DE
DCLK
TC
DATA
SIGNALS
TC
TCH TCL
DCLK 0.5
VCC
TDS TDH
DISPLAY 0.5
DATA
VCC
TES
DE 0.5
VCC
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5.3 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 0 0 1000msec T4
1000msec T5
(Recommend Value)
100msec T6
(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.
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6. Outline Dimension (Front View)
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6. Outline Dimension (Rear View)
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7. 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 be able to open it
Cushion-Foam
LCD Module
Cushion-Foam
Pallet-Plastic
7.2 Packing Specification
Item Specification Remark
1. 84Kg / LCD (12ea)
2. 7 Kg / Cushion-pallet (2ea)
12ea / (Packing-
LCD Packing 3. 5.7 Kg / Packing-Pallet Box (1ea)
Pallet Box)
4. Cushion-pallet Material : EPS
5. Packing-Pallet Box Material : DW4
Pallet 1Box / Pallet 1. Pallet weight = 8.0kg
Packing Direction Vertical
Total Pallet Size H x V x height 1150mm(H) x 985mm(V) x 125mm(height)
Pallet(8kg) + Module (7.0*12=84kg) + Cushion
Total Pallet Weight 104.7 kg
(up + bottom=7kg) + Pallet-BOX(8.8kg)
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8. MARKING & OTHERS
A nameplate bearing followed by is affixed to a shipped product at the specified
location on each product.
(1) Part number : LTI320WT-L07
(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
week
LTI320WT-L07
year
40mm
XXXXXXXXXX XXX
Revision code
Lot number
80mm
(5) Packing box attach
100mm
LTI320WT-L07 Part number
XXXX
12
Box serial number
165mm
(6) Others
1. After service part
Lamps cannot be replaced because of the narrow bezel structure.
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9. 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.
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9.2 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.
9.3 Operation
(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).
9.4 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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9.5 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.
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