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SAMSUNG TFT-LCD
MODEL : LTA400HM20-W01
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Samsung Secret
Product Information
DATE : 2. Aug. 2011
The Information Described in this Specification is Preliminary and can be changed without
prior notice
LCD Business
Samsung Electronics Co . , LTD.
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Samsung Secret
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 Condition & 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 mode)
5.2 Timing Diagrams of interface Signal (DE 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
Date Rev. No Page Summary
Samsung Secret
2. Aug.
2011
000 all First issued
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General Description
Samsung Secret
Description
LTA400HM20-W01 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 1920X1080 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
High contrast & aperture ratio
SPVA (Super Patterned Vertical Align) mode
Wide viewing angle (·178¶)
High speed response
FHD resolution (16:9)
12 Lamp Bar type Back Light Unit
DE (Data Enable) mode
LVDS (Low Voltage Differential Signaling) interface (1pixel/clock)
General Information
Items Specification Unit Note
952.0(W
Module Size
Weight 10,500(max) g
Pixel Pitch 0.4613(H) x 0.1538(V) mm
Active Display Area 885.6(H) x 498.15(V) mm
Surface Treatment Haze 5.5, Hard-coating(2H) -
Display Colors 8 bit - 16.7M colors
Number of Pixels 1920 x 1080 pixel
Pixel Arrangement RGB Horizontal stripe -
Display Mode Normally Black -
) x 551.0(H
TYP
62.5 (D
) Without inverter
MAX
TYP
)
·1.0mm
mm
Luminance of White 400 Typ. cd/m
2
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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 V
Storage temperature T
T
DD
STG
OPR
GND-0.5 13.2 V (1)
-20 60
050
Operating temperature
T
SUR
Shock ( non - operating ) S
Vibration ( non - operating ) V
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
nop
nop
060
- 50 G (3)
- 1.5 G (4)
(2)
(2),(5)
90
Fig. Temperature and Relative humidity range
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(5) Definition of test point
5mm
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5mm
12
5
LCD Module (Active)
MAX
4
| )
3
T should be less than 10
T
: Temperature of the center of the glass surface (Test point 5)
OPR
(ƸT = | T
OPR
– T
T1~ T4 : Temperature of each edge of the glass surface
T
: The highest temperature of the glass surface
MAX
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2. Optical Characteristics
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment :
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio
(Center of screen)
Response
Time
Luminance of White
(Center of screen)
Color
Chromaticity
(CIE 1931)
G-to-G
(Avg)
Red
Green
Blue
TOPCON RD-80S,TOPCON SR-3, ELDIM EZ-Contrast
(Ta = 25 · 2¶C, VDD=12V, fv= 60Hz, f
C/R
Tg - 8 - ms
Y
L
Normal
Rx
Ry
Gx
Gy
TL,R=0
TU,D=0
Viewing
Angle
Bx
By
3000 4000 -
350 400 - cd/m
0.639
0.331
0.300
TYP.
-0.03
0.604
0.146
TYP.
+0.03
0.063
=148.5MHz, DC Current)
DCLK
Samsung Secret
(1)
SR-3
(3)
RD-80S
2
(4)
SR-3
(5),(6)
SR-3
Wx
0.280
White
Wy
0.290
Color Gamut - - 72 - %
Color Temperature - - 10,000 - K
Hor.
Viewing
Angle
Ver.
Brightness Uniformity
(9 Points)
T
L
T
R
T
U
T
D
B
uni
C/R≥10
79 89 -
79 89 -
Degree
79 89 -
79 89 -
--25%
- 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.
(5)
SR-3
(5)
SR-3
(6)
EZ-Contrast
(2)
SR-3
Environment condition : Ta = 25 · 2 ¶C
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ྙ
ྚྛ
ྞ
ྡ
ྠ
ྜྷ ྜ
ྟ
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Samsung Secret
Photo detector Field
SR-3
RD-80S
TFT - LCD Module
- Definition of test point
1ദ
2ദ
Photo detector
Field
The center of the screen
SR-3 : 50
RD-80S : 50
EZ-Contrast :0
LCD Panel
༃
320 960 1600
180
540
900
Note (1) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point 䐣 of the panel
G
CR
/
max
G
min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
Active Area
Test Point
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Note (2) Definition of 9 points brightness uniformity ( Test pattern : Full White )
Samsung Secret
Buni
BB
(max min)
100
B
max
Bmax : Maximum brightness
Bmin : Minimum brightness
Note (3) Definition of Response time : Sum of Tr, Tf
Display data
Optical Instruments
Response
100%
Black (data off)
T
R
White (data on)
90%
10%
0%
Black (data off)
T
F
GnTTnGaGhGGGGnGGGOPG
Note (4) Definition of Luminance of White : Luminance of white at center point 䐣
Note (5) Definition of Color Chromaticity (CIE 1931)
Color coordinate of Red, Green, Blue & White at center point 䐣
Note (6) Definition of Viewing Angle
: Viewing angle range (C/R ≥10)
TIME
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3. 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 V
Current
(a) Black
of Power
Supply
(c) V-Stripe - 550 750 mA
Vsync Frequency f
Hsync Frequency f
Main Frequency f
Rush Current I
DCLK
RUSH
I
DD
DD
V
H
10.8 12.0 13.2 V (1)
-350550mA
48 60 65 Hz
44 67.5 75 kHz
130 148.5 160 MHz
--4A(4)
Note (1) The ripple voltage should be controlled under 10% of V
V=60Hz, fDCLK = 148.5MHz, V
(2) f
= 12.0V, DC Current.
DD
(3) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) V strip
DD
(2),(3)(b) White - 350 550 mA
.
(4) Measurement Conditions
V
100%
DD
90%
10%
GND
Rush Current I
T
can be measured when T
RUSH
RUSH
=470༕
. is 470༕.
RUSH
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Samsung Secret
3.2 Back Light Unit
The back light unit contains 12 Bar type CCFLs ( Cold Cathode Fluorescent
Lamp ). The characteristics of lamps are shown in the following tables.
Ta=25 · 2¶C
Socket
Socket 1
Socket 2
Socket 11
Socket 12
Item Symbol Min. Typ. Max. Unit Note
Lamp 1
Lamp 2
LCD
Module
Lamp 11
Lamp 12
GND
GND 1
GND 2
GND 11
GND 12
Lamp Current I
L 13.0 15.0 17.0 mArms 1
Lamp Voltage LV - 815 - 2
0:1500
Starting Up Voltage Es
25:1230
Lamp Frequency L
F 30 - 80 kHz
Operating Life Time Hr 50,000 - - Hour 4
Note (1) Hot Output Current
(2) Should be measured after luminance is stabilized at each current states.
(3) Higher than 1 second with above Starting Up Voltage, otherwise lamp won’t be operated
(4) 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. ]
3
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3.3 Inverter Input Condition & Specification
Items Symbol Conditions
Min. Typ. Max.
Samsung Secret
Specifications
Unit Note
Input
Voltage
Input
Current
Lamp
Current
Frequency F
Backlight
On/Off
Dimming
Control
Vin -
I
RUSH
I
O
OP
Vin = 24V
Vdim = 3.3V
Vin = 24V
Vdim = 3.3V
Vin = 24V 46 48 50 kHz -
22 24 26
- - 8.05 Adc (1)
13.3 14 14.7 mArms (2)
ON Vin = 24V 2.4 - 5.25
OFF Vin = 24V 0 - 0.8
Max Lum - - 3.3
V
DIM
Min. Lum 0 - -
Note) Power Consumption is measured when 400[cd/m
Vdc
Ta=25·2 ¶C
V(3)
V(4)
2
] 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.
(2) Max Value of the Power Consumption is measured after 120 min warm-up.
(3) Inverter pin NO.12 is for backlight On/Off.
(4) Inverter pin NO.13 is for dimming control.
* Initial turn-on time : From 0sec to 60min after turn-on
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4. Input Terminal Pin Assignment
Samsung Secret
4.1. Input Signal & Power Connector : FI-RE51S-HF(JAE/UJU)
Pin Description Pin Description
PIN No. Description PIN No. Description
1 Vdd(12V) 26
1 No Connection (Note1) 16 GND
2 Vdd(12V) 27 Rx4[1]N
2 No Connection (Note1) 17 RxIN3-
3 Vdd(12V) 28 Rx4[1]P
3 No Connection (Note1) 18 RxIN3+
4 Vdd(12V) 29 Rx4[2]N
4 GND 19 GND
5 Vdd(12V) 30 Rx4[2]P
5 RxIN0- 20 No Connection (Note1)
6 No Connection 31 GND
6 RxIN0+ 21 LVDS OPTION (Note 2)
7 GND 32 Rx4CLK-
7 GND 22 No Connection (Note1)
8 GND 33 Rx4CLK+
8 RxIN1- 23 GND
9 RxIN1+ 24 GND
9 GND 34 GND
10 GND 25 No Connection (Note 1)
10
11 RxIN2- 26 Vin
11 Rx[0]P 36 Rx4[3]P
12 RxIN2+ 27 Vin
12 Rx[1]N 37 No Connection
13 GND 28 Vin
13 Rx[1]P 38 No Connection
14 RxCLK- 29 Vin
Rx[0]N 35 Rx4[3]N
EVEN LVDS
SIGNAL
14 Rx[2]N 39 GND
15 RxCLK+ 30 Vin
15 Rx[2]P 40 No Connection
Rx4[0]P
16 GND 41 No Connection
17 RxCLK- 42 No Connection
18 RxCLK+ 43 No Connection
ODD LVDS
SIGNAL
19 GND 44 No Connection
20 Rx[3]N 45 LVDS SEL (Note2)
21 Rx[3]P 46 No Connection
22 Rx[4]N 47 No Connection
23 Rx[4]P 48 No Connection
24 GND 49 No Connection
25 Rx4[0]N 50 No Connection
51 No Connection
Note1) No Connection: This PINS are only used ONLY for SAMSUNG.
Note2) LVDS OPTION : If this PIN is HIGH (3.3 V) → Normal LVDS format
LOW (GND) → JEIDA LVDS format
SEQUENCE : On = V
OFF = Interface Signal(T3) ≥ LVDS Option ≥ V
DD(T1) ≥ LVDS Option ≥ Interface Signal(T2)
DD
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Note(3) Pin number starts from Left side
Pin No. 1 Pin No. 51
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PCB
#1 #51
#1
#51
Fig. Connector diagram
a. Power GND pins should be connected to the LCD’s metal chassis.
b. All power input pins should be connected together.
c. All NC pin should be separated from other signal or power.
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4.2. Inverter Input Pin Configuration
Pin Configuration (FUNCTION)
Pin No.
124 V
224 V
324 V
424 V
524 V
6GND
7GND
8GND
9GND
Samsung Secret
Connector : Yeon-ho, 20022WR-14B1
Master
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] *Note(1)
14 No Connection
4.3. Inverter Input Power Sequence
0.9 Vin
Vin (24V)
Dimming Control
( 0 ~ 3.3 V )
0.1 Vin
20msec [Min]
0.9 Vin
`
0.5sec [Min]
Backlight On/Off
2.4V(On level)
0.5sec [Min]
0.8V(Off level)
0.2sec [Min]
0.5sec [Min]
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4.4 LVDS Interface
- LVDS Receiver : Tcon (merged)
- Data Format (JEIDA & VESA)
TxIN/RxOUT0 R2 R0
TxIN/RxOUT1 R3 R1
TxIN/RxOUT2 R4 R2
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LVDS pin JEIDA -DATA VESA -DATA
TxOUT/RxIN0
TxOUT/RxIN1
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
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
TxOUT/RxIN3
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
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
COLOR
BASIC
COLOR
GRAY
SCALE
OF
RED
DATA SIGNAL
DISPLAY
(8bit)
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 000000000000000000000000 -
BLUE 000000000000000011111111 -
GREEN 000000001111111100000000 -
CYAN 000000001111111111111111 -
RED 111111110000000000000000 -
MAGENTA111111110000000011111111 -
YELLOW 111111111111111100000000 -
WHITE 111111111111111111111111 -
BLACK 000000000000000000000000 R0
100000000000000000000000 R1
DARK
↑
↓
LIGHT
010000000000000000000000 R2
:::::: :::::: ::::::
:::::: :::::: ::::::
101111110000000000000000 R253
011111110000000000000000 R254
RED GREEN BLUE
GRAY
SCALE
LEVEL
R3~
R252
GRAY
SCALE
OF
GREEN
GRAY
SCALE
OF
BLUE
RED 111111110000000000000000 R255
BLACK 000000000000000000000000 G0
000000001000000000000000 G1
DARK
↑
↓
LIGHT
GREEN 000000001111111100000000 G255
BLACK 000000000000000000000000 B0
DARK
↑
↓
LIGHT
BLUE 000000000000000011111111 B255
000000000100000000000000 G2
:::::: :::::: ::::::
:::::: :::::: ::::::
000000001011111100000000 G253
000000000111111100000000 G254
000000000000000010000000 B1
000000000000000001000000 B2
:::::: :::::: ::::::
:::::: :::::: ::::::
000000000000000010111111 B253
000000000000000001111111 B254
G3~
G252
B3~
B252
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
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5.1 Timing Parameters ( DE mode )
SIGNAL ITEM SYMBOL MIN. TYP. MAX. Unit NOTE
Clock
Hsync F
Frequency
Vsync F
Active
Display
Vertical
Period
Display Term
Vertical
Total
Active
Display
Horizontal
Period
Display Term
Horizontal
Total
1/T
T
T
T
T
H
V
VD
V
HD
H
C
130 148.5 160 MHz -
48 67.5 75 KHz -
45 60 65 Hz -
- 1080 - lines -
1092 1125 1380 lines -
- 1920 - clocks -
2090 2200 2350 clocks -
Note) This product is DE 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
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5.2 Timing diagrams of interface signal ( DE mode )
TV
TVD
DE
TH
THD
DE
Samsung Secret
DCLK
DATA
SIGNALS
DCLK
DISPLAY
DATA
TC
0.5
V
CC
V
CC
DE
0.5
V
CC
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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.
0.5ms<T1≤10ms
1<T2≤50ms
0<T3≤50ms
1000ms≤T4
1000ms≤T5
(Recommend Value)
100ms≤T6
(Recommend Value)
T1 : VDDrising time from 10% to 90%
T2 : The time from VDDto valid data at power ON.
T3 : The time from valid data off to VDDoff at power Off.
T4 : V
off time for Windows restart
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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(
Pallet Box)
1.
2.
3.
4. Packing
Pallet(8.0kg)
Box(7.
0 kg)
7. PACKING
7.1 CARTON (Internal Package)
(1) Packing Form
Corrugated fiberboard box and corrugated cardboard as shock absorber
(2) Packing Method
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7.2 Packing Specification
Item Specification Remark
11ea / Box
LCD Packing
Packing Direction Vertical 1150 x 985 x 716
Pallet Size H x V x Height 1150mm(H) x 985mm(V) x 125mm(Height)
Total Pallet
Pallet 1Box / Pallet 1. Pallet weight = 8.0kg
Weight
Packing-
114 kg
MODEL LTA400HM20-W01 Doc. No 06-000-G-110802 Page
9 kg / LCD (1 ea)
7.0 kg / Packing-Pallet Box (1 ea)
Cushion Material : Paper
-Pallet Box Material : DW4
+ Module(9kg x 11ea) + Pallet-
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Samsung Secret
8. MARKING & OTHERS
A nameplate bearing followed by is affixed to a shipped product at the specified
location on each product.
(1) Parts number : LTA400HM20
(2) Revision: Three letters
(3) Lot number : X X X X XXX
(4) Nameplate Indication
XX X
Cell Position No. (In the Glass)
Glass No. (In the one Lot)
Lot No. (Glass)
Month
Year (Note1)
Product code
Line
LTA400HM20
0730
[[[[[[[[[[ [[[
MADE IN CHINA
(5) Packing box attach
OWD733KP53
Week code : 07 30
week
year
40mm
Revision code
Lot number
80mm
100mm
Part number
Z34
44
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
Samsung Secret
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 CCFL 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 Electrostatic discharge. Otherwise the ASIC IC or
Semiconductor 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 disassemble shield case of inverter & LVDS board.
(m) Do not connect N.C pins. (Samsung internal use only)
(n) Protection film for polarizer on the Module should be slowly peeled off just before use
so that the electrostatic charge can be minimized. Must put on antistatic glove while
handle a module
(o) Pins of I/F connector should not be touched directly with bare hands.
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Samsung Secret
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 5 to 40
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.
(d) Storage period is recommended not to excess 1 year.
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 CCFL 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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Samsung Secret
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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