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SAMSUNG TFT-LCD
MODEL : LTA400HL15
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Samsung Secret
Preliminary Spec
DATE : 16. May. 2012
The Information Described in this Specification is Preliminary and can be changed without
prior notice
Samsung Display Co . , LTD.
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Contents
Samsung Secret
General Description --------------------------------------------------------------------------------------- (4)
General Information --------------------------------------------------------------------------------------- (4)
1. Absolute Maximum Ratings -------------------------------------------------------------------------- (5)
1.1 Back Light Unit Absolute Maximum Ratings
1.2 LED Unit Absolute Maximum Ratings
2. Optical Characteristics --------------------------------------------------------------------------------- (7)
3. Electrical Characteristics ------------------------------------------------------------------------------ (10)
3.1 TFT LCD Module
3.2 Back Light Unit
4. Input Terminal Pin Assignment --------------------------------------------------------------------- (12)
4.1 Input Signal & Power
4.2 LED bar connection
4.3 V by one Rx EYE Specifications
4.4 Input Signals, Basic Display Colors and Gray Scale of Each Color
5. Interface Timing ---------------------------------------------------------------------------------------- (17)
5.1 Timing Parameters (DE mode)
5.2 Spread Spectrum
5.3 V by one Input Data Position
5.4 Timing diagrams of interface signal
5.5 Power ON/OFF Sequence
6. Outline Dimension -------------------------------------------------------------------------------------- (22)
7. Reliability test ------------------------------------------------------------------------------------------- (24)
8. Packing --------------------------------------------------------------------------------------------------- (25)
9. Marking & Others --------------------------------------------------------------------------------------- (26)
10. General Precaution ----------------------------------------------------------------------------------- (27)
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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Samsung Secret
Date
16. May.
2012
Rev.
No
000 all First issued
Page Summary
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General Description
Samsung Secret
Description
LTA400HL15 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 1.07B (Dithered
10bit) 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 compliance (Pb-free)
High contrast & aperture ratio
SPVA (Super Patterned Vertical Align) mode
Wide viewing angle (·178¶)
High speed response (240Hz)
FHD resolution (16:9)
Low Power consumption
White E-LED Backlight
DE (Data Enable) mode
8 lane V-by-one Interface
General Information
Items Specification Unit Note
Module Size
Weight 8300 (Max) g
Pixel Pitch 0.12125(H) X 0.36375 (V) mm
Active Display Area 885.6(H) X 498.15(V) mm
Surface Treatment Glare, 2H - Glare
Display Colors 1.07B - Dithered 10bit Colors
Number of Pixels 1920 x 1080 Pixel
Pixel Arrangement RGB vertical stripe -
Display Mode Normally Black -
897.4(H
) x 511.0(V
TYP
27(D
max
)
TYP
) Wall mount Stud
mm
·1.0mm
Luminance of White 450 (Typ.) cd/m
2
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Samsung Secret
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
Operating temperature T
DD
STG
OPR
GND-0.5 16 V (1)
-20 60
050
Shock ( non - operating ) X,Y - 30 G (4)
Vibration ( non - operating ) V
NOP
- 1.5 G (5)
1.2 LED Unit Absolute Maximum Ratings
Item Symbol Max. Unit Note
Operating
Temperature Range
T
op
-30~+70
-
(2)
Storage Temperature
Range
Forward Current
Forward Voltage
T
STG
I
I
fp
V
V
-30~+70
f
180 mA
214 mA
f
fp
42.1 V
43.7 V
Duty 100% operation
@ 1 string (8block/PCB)
Duty 50% operation
@ 1 string (8block/PCB)
= 180mA , Duty100%
I
fp
@ 1block (6LED/block)
Ifp= 214mA , Duty 50%
@ 1block (6LED/block)
-
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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) Although abnormal visual problems can be occurred in T
is not damaged in this range.
(4) 11ms, sine wave, one time for ·X, ·Y, ·Z axis
(5) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
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Samsung Secret
range, the polarizer
SUR
Fig. Temperature and Relative humidity range
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2. Optical Characteristics
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment :
(Ta = 25 · 2¶C, VDD=12.0V, fv=240Hz, f
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 Tg - 8 - msec
Red
Green
Blue
TOPCON RD-80S, TOPCON SR-3 ,ELDIM EZ-Contrast
=594 MHz, 2D Mode, Duty=100%))
DCLK
C/R
Y
L
Normal
Rx
Ry 0.333
Gx 0.308
L,R=0
U,D=0
Viewing
Angle
Gy 0.610
Bx 0.150
By 0.061
3,000 5,000 -
350 450 - cd/m
0.650
TYP.
-0.03
TYP.
+0.03
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 - - 70 - %
Color Temperature - - 10,000 - K
75 89 -
75 89 -
75 89 -
75 89 -
--27%
Hor.
Viewing
Angle
Ver.
Brightness Uniformity
(9 Points)
L
R
U
D
B
uni
C/R≥10
- 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.
Degree
(5)
SR-3
(6)
EZ-Contrast
(2)
SR-3
. LED current = 120mA
. 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
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 (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
GnTTnGaGhGGGGnGGnGOzP
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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Samsung Secret
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
(d) H-stripe - 2200 2450 mA
Rush Current I
DD
I
DD
RUSH
10.8 12 13.2 V (1)
- 950 1050 mA
--5A(4)
Min. Typ. Max. Unit
Vsync Frequency f
Hsync Frequency f
V
H
192
216
Main Frequency Fdclk 465
240
270
594
Note (1) The ripple voltage should be controlled under 10% of V
(2) f
V=240Hz, fDCLK =594 MHz, V
= 12.0V, DC Current.
DD
(3) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) H-stripe
DD
(2),(3)(b) White - 920 1020 mA
245 Hz
275 kHz
606 MHz
.
(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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3.2 Back Light Unit
• Back light unit is composed of 2 –LED bars .(96 pcs of LEDs).
Samsung Secret
Ta=25 · 2¶C
1
2
3
4
5
block
……
Control PCB
……
1
2
3
4
5
LCD
6
7
8
LED bar
……
Module
LED bar
6
7
8
< 1 block > LED
chip
Item Symbol Min. Typ. Max. Unit Note
Operating Life Time Hr 30,000 - - 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]
0LQ 7\S 0D[ 8QLW 1RWH
9I 9 (DFK%ORFN%DUYROWDJHDW,I P$
(6 ea LEDs per 1 block)
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4. Input Terminal Pin Assignment
Samsung Secret
4.1. Input Signal & Power Connector : FX16K-51S-0.5SH ( Hirose )
Pin Symbol Description Pin Symbol Description
1
2
3
4
5
6
7
8
9
10
12V DC power supply
12V DC power supply
12V DC power supply
12V DC power supply
12V DC power supply
NC NOTE1
GND Ground
HTPDN Vbyone link control
LOCKN Vbyone link control
GND Ground
26
27
28
29
30
31
32
33
34
35
GND Ground
REN Vbyone E -
REP Vbyone E +
GND Ground
GND Ground
RFN Vbyone F -
RFP Vbyone F +
GND Ground
GND Ground
RGN Vbyone G -
11
12
13
14
15
16
17
18
19
20
21
22
23
24
RAN Vbyone A -
RAP Vbyone A +
GND Ground
GND Ground
RBN Vbyone B -
RBP Vbyone B +
GND Ground
GND Ground
RCN Vbyone C -
RCP Vbyone C +
GND Ground
GND Ground
RDN Vbyone D -
RDP Vbyone D +
36
37
38
39
40
41
42
43
44
45
46
47
48
49
RGP Vbyone G +
GND Ground
GND Ground
RHN Vbyone H -
RHP Vbyone H +
GND Ground
NC NOTE1
NC NOTE1
NC NOTE1
3D_EN
3D sync_I Shutter glass Sync Input signal
3D sync_o Shutter Glass Sync Signal
NC NOTE1
NC NOTE1
3D Enable signal
Note 2
25
GND Ground
50
51
NC NOTE1
NC NOTE1
Note 1 ) SEC internal Only: These PINS are used only for SAMSUNG. (DO NOT CONNECT)
Note 2 ) 3D Enable / 3D sync_I, signal voltage level
High : Min 3.0 V, Max 3.3 V Low : Min 0 V, Max 0.4V
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Note(1) Pin number starts from left side
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Samsung Secret
T-con PCB
Pin # 1
Pin # 51
#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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/
/
5
5
4.2 LED Bar connector
3LQ ,WHP 3LQ ,WHP
5 /
5 /
5 /
5 /
5 /
5 /
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Samsung Secret
Connector : SMAW200-H30S2(Yeonho)
3
/
/
/
/
5 /
5 /
5 /
5 /
8S06
3
8S04
3DQHO)URQW9LHZ
3
5
5
5
5
3
/
8S07
/
/
/
8S05
19
20
1
2
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5
5
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4.3 V-by-1 Interface (T-con input)
- V-by-1 Receiver : THCV216
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Samsung Secret
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Samsung Secret
4.4 Input Signals, Basic Display Colors and Gray Scale of Each Color
COLOR
BASIC
COLOR
GRAY
SCALE
OF
RED
GRAY
SCALE
OF
GREEN
GRAY
SCALE
OF BLUE
DATA SIGNAL
DISPLAY
(8bit)
R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9
BLACK 000000000000000000000000000000 -
BLUE 000000000000000000001111111111 -
GREEN 000000000011111111110000000000 -
CYAN 000000000011111111111111111111 -
RED 111111111100000000000000000000 -
MAGENTA111111111100000000001111111111 -
YELLOW 111111111111111111110000000000 -
WHITE 111111111111111111111111111111 -
BLACK 000000000000000000000000000000 R0
100000000000000000000000000000 R1
DARK
LIGHT
RED 111111111100000000000000000000R1023
BLACK 000000000000000000000000000000 G0
DARK
LIGHT
GREEN 000000000011111111110000000000G1023
BLACK 000000000000000000000000000000 B0
DARK
LIGHT
BLUE 000000000000000000001111111111 B1023
010000000000000000000000000000 R2
↑
::::::::::::::::::::::::::::::
::::::::::::::::::::::::::::::
↓
101111111100000000000000000000 R1021
011111111100000000000000000000 R1022
000000000010000000000000000000 G1
000000000001000000000000000000 G2
↑
::::::::::::::::::::::::::::::
::::::::::::::::::::::::::::::
↓
000000000010111111110000000000G1021
000000000001111111110000000000G1022
000000000000000000001000000000 B1
000000000000000000000100000000 B2
↑
::::::::::::::::::::::::::::::
::::::::::::::::::::::::::::::
↓
000000000000000000001011111111 B1021
000000000000000000000111111111 B1022
RED GREEN BLUE
GRAY
SCALE
LEVEL
R3~
R1020
G3~
G1020
B3~
B1020
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
Samsung Secret
5.1 Timing Parameters ( Tcon input )
SIGNAL ITEM SYMBOL Min. Typ. Max UNIT NOTE
Clock
Hsync Fh 216 270 275 KHz
Vertical Active
Disply Term
Horizontal Active
Display Term
Frequency
Display Period TVD - 1080 - Lines
Vertical Total TV 1110 1125 1800 Lines -
Display Period THD - 1920 - Clocks -
Horizontal Total TH 2150 2200 2250 clocks -
Note) This product is H / V mode. The input of Hsync & Vsync signal is essentially needed.
(1) Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
(2) Internal V
DD = 3.3V
(3) Hsync, Vsync range is measured by increasing clock frequency.
1/TC 465 594 606 MHz -
(4)Vsync Fv 192 240 245 Hz
5.2 Spread Spectrum
- Modulation rate (max) : · 0.5 %
- Modulation Frequency : under 30 KHz
5.3.1 V by one Rx EYE Specifications
X[UI] Y[mV]
A 0.25 0
B 0.3 50
C 0.7 50
D 0.75 0
E 0.7 -50
F 0.3 -50
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5.3.2 V by One Rx characteristics
Symbol SYMBOL Min Typ Max UNIT Note
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Samsung Secret
VRTH
VRTL
RRIN
tRBIT (=UI) Unit Interval 266 - 1667 psec
tRISK _INTRA
tRISK _INTER
Differential Input
High Threshold
Differential Input
Low Threshold
Differential Input
Resistance
Allowable
Intra-pair Skew
Allowable
Inter-pair Skew
--50mV (1)
-50 - - mV (1)
80 100 120 ohm
0.3 - - UI (2)
5--UI(3)
Note (1) Refer below figure.
Note (2) Allowable intra-pair skew : data to data
Note(3) Allowable inter-pair skew : lane to lane (lane A ~ lane H)
VRTH
VRTL
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5.4 Timing diagrams of interface signal ( DE mode )
TV
TVD
DE
THD
Samsung Secret
TH
DE
DCLK
DATA
SIGNALS
TC
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5.5 Power ON/OFF Sequence (T-con input)
To prevent a latch-up or DC operation of the LCD Module, the power on/off
sequence should be as the diagram below.
1 ms < T1 ≤10 ms
1 < T2 ≤ 50 ms
0 < T3 ≤ 50 ms
1000 ms ≤ T4
Samsung Secret
1000 ms ≤ T5
(Recommend Value)
100 ms ≤ T6
(Recommend Value)
T1 : VDDrising time from 10% to 90%
T2 : The time from V
to valid data at power ON.
DD
T3 : The time from valid data off to VDDoff at power Off.
T4 : VDDoff 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 CCFL 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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5.5.1 3D ON/OFF Sequence
Samsung Secret
To prevent an abnormal display or garbage display of the LCD Module, the 3D on/off
sequence should be as the diagram below.
Timing Spec (ms) Description
T9 > 0
T10 12.51 < T10 < 16.68 3 frame < T10 < 4 frame
T11 ≥ 2.74
T12 ≥ 16.0
Note) Delay between 3D sync_I and 3D sync_o is 4.3ms.
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7. Reliability Test
Item Test condition Quantity
Temperature
Step Stress
HTOL
LTOL
HTS
LTS
THB
WHTS
Thermal Shock
ESD
(operation)
non-contact : ᇹ20 kV,150Ꮔ/330Ω,200Point,1 time/Point
-20 60, 40hr, 5 Cycle determination
50, 500hr determination
0, 500hr determination
70, 500hr determination
-30, 500hr determination
40 / 95%RH, 500hr determination
60 / 75%RH, 250hr determination
-20 ~ 60 , 200cycle determination
contact : ᇹ10 kV ,150Ꮔ/330Ω,200Point,1 time/Point
T
Samsung Secret
4EA
8EA
4EA
4EA
4EA
4EA
4EA
4EA
3EA
Vibration 10~300Hz/1.5G/10minSR, XYZ, 30min/axis 3EA
Shock
[ Result Evaluation Criteria]
Under the display quality test conditions with normal operation state, these should
be no change which may affect practical display functions.
* HTOL/ LTOL : High/Low Temperature Operating Life
* THB : Temperature Humidity Bias
* HTS/LTS : High/Low Temperature Storage
* WHTS : Wet Humidity Temperature Storage
Half Sine, 11msec, ·X,Y 40G, · Z 30G 1time/axis
B
3EA
D
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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
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8.2 Packing Specification
Item Specification Remark
LCD Packing
Pallet 1Box / Pallet
Packing Direction Vertical
Total Pallet Size H x V x height 1124mm(H) x 945mm(V) x 565mm(height)
Total Pallet Weight 162 kg
18ea / Box
(Packing-Pallet Box)
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page
1. 7.3 Kg / LCD (18ea)
2. 23.8 Kg / Packing Box (1set)
> Packing Box Material : Paper
1. Pallet weight = 5.3 kg
> Pallet Material : HDPE
Pallet(5.3kg) + Module(131.4kg) +
Packing BOX(23.8kg) + Silica-Gel(0.72kg)
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Samsung Secret
9. MARKING & OTHERS
A nameplate bearing followed by is affixed to a shipped product at the specified
location on each product.
(1) Part number : LTA400HL15
(2) (2) Revision: Three letters
(3) Lot number : X XXXXXX
(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
LTA400HL15
1125
[[[[[[[[[[ [[[
LTA320HW03XXX
(5) Packing box attach
DVC : LTA400HL15
TYPE : 001
QTY : 22
Week code : 11 25
week
year
40mm
Revision code
Lot number
Model + suffix code
80mm
100mm
Part number
Revision code
Actual quantity
XXXXXXXXXX
XXXXXXXXXXXXXX
165mm
Box serial number
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page
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10. General Precautions
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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 LED 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 converter & C-PBA
(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.
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page
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Storage Temperature
5
Humidity
Condition
-
- Products should not be placed on the floor, but on the Pallet
-
-
- If products delivered or kept in conditions of over the storage
period of 3months, the recommended temperature or humidity
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10.2 Storage
We highly recommend to comply with the criteria in the table below.
ITEM UNIT Min. Max.
Samsung Secret
Storage
Storage Life 6 months
Storage
10.3 Operation
()
40
(%rH) 35 75
The storage room should provide good ventilation and
temperature control.
away from a wall.
Prevent products from direct sunlight, moisture nor water;
Be cautious of a build up of condensation.
Avoid other hazardous environment while storing goods.
range, we recommend you leave them at a temperature of 20
and a humidity of 50% for 24 hours.
(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.
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page
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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
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Airports, Transit Stations, Banks, Stock market, and Controlling systems.
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 LTA400HL15 Doc. No 06-000-G-20120516 Page
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