LTI550HN03 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 55.0“ is 1920 x 1080 and this model can
display up to 16.7 Million colors with wide viewing angle of 89° or higher in all directions. This
panel is intended to support applications to provide a excellent performance for Flat Panel Display
such as Home-alone Multimedia TFT-LCD TV, Display terminals for AV application products, and
Digital Information Display (DID).
Features
RoHS compliance (Pb-free)
High contrast ratio & aperture ratio with wide color gamut
SVA(Super Vertical Align) mode
Wide viewing angle (±178°)
Landscape / Portrait compatible
FHD(1920 x 1080) resolution (16:9)
High Tni Liquid crystal (85℃)
Low Power consumption
Direct Type 18 CCFLs(Cold Cathode Fluorescent Lamp)
DE(Data Enable) mode
2ch LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)
General Information
ItemsSpecificationUnitNote
Module Size
Weight23,000 (Max)g
Pixel Pitch0.630(H) x 0.630(W)mm
Active Display Area1209.6(H) X 680.4(V)mm
Surface TreatmentHaze 44%, Anti Glare
Display Colors16.7 Millioncolors
Number of Pixels1920 x 1080pixel
Pixel ArrangementRGB vertical stripe
Display ModeNormally Black
Luminance of White700 (Typ.)cd/m
1,242.2 (H) X 713.0 (V)
68.5 (Typ)
mm
±1.0mm
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.
ItemSymbolMin.Max.UnitNote
Power Supply VoltageV
Storage temperatureT
Glass Surface temperature
(Operation)
T
center
DD
STG
10.813.2V(1)
-2065
050
℃
℃
(2), (5)
Shock ( non - operating )X,Y,Z30G(3)
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
-1.5G(4)
(2)
Fig. Temperature and Relative humidity range
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(5) Definition of test point
5mm
Samsung Secret
5mm
1
LCD Module (Active)
T
CENTER
: Temperature of the center of the glass surface (Test point 1)
2. Application information for DID (Digital Information Display)
A long-term display like DID application may cause uneven display including image retention.
To optimize module's lifetime and function, several operating usages are required.
1. Normal operating condition
- Temperature: 20 ± 15℃
- Humidity: 55 ± 20 %
- Display pattern: moving picture or regular switchover display
Note) Long-term static information image may cause uneven display.
2. Operating usages under abnormal operating condition. Note (1)
a. Ambient condition
- Well-ventilated place is recommended to set up DID system.
b. Power off and screen saver
- Periodical power-off or screen saver is needed after long-term static display. Note (2)
3. Operating usages to protect uneven display due to long-term static information display
a. Suitable operating time for P-DID : under 20 hours a day.
b. Periodical display contents change from static image to moving picture.
- Liquid crystal refresh time is required.
c. Periodical background color and character (image) color change
- Use different colors for background and character (image), respectively.
- Change colors periodically.
d. Avoid combination of background and character with large different luminance.
Note (1) Abnormal condition means every operating condition except normal operating condition.
Note (2) Moving picture or black pattern is strongly recommended for screen saver.
4. Lifetime in this spec is guaranteed only when DID is used under right operating usages.
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3. Optical Characteristics
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : TOPCON BM-7, TOPCON BM-5A, Spectrometer SR-3
(Ta = 25 ± 2°C, VDD=12V, fv= 60Hz, f
ItemSymbolConditionMin.Typ.Max.UnitNote
= 148.5MHz, Lamp current = 13mA)
DCLK
Samsung Secret
Contrast Ratio
(Center of screen)
Response
Time
G-to-GTg
Luminance of White
(Center of screen)
Red
C/R25004000-
-816msec
Y
L
Rx
Ry0.330
Normal
qL,R =0
600700-cd/m
0.642
qU,D =0
Gx0.287
Color
Chromaticity
(CIE 1931)
Green
Blue
Gy0.606
Bx0.146
Viewing
Angle
TYP.
-0.03
TYP.
+0.03
By0.061
Wx0.280
White
Wy0.290
Color Gamut--72-%
Color Temperature--10,000-K
(3)
SR-3
(5)
BM-7
2
(6)
SR-3
(7),(8)
SR-3
(7)
SR-3
(7)
SR-3
Hor.
Viewing
Angle
Ver.
Brightness Uniformity
(9 Points)
q
L
q
R
q
U
q
D
B
uni
C/R≥10
7589-
7589-
Degree
7589-
7589-
--25%
(8)
SR-3
(4)
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 : 13 mA
Environment condition : Ta = 25 ± 2 °C
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Photo detectorField
Samsung Secret
Photo detector
SR-3
BM-7
TFT - LCD Module
Note (2) Definition of test point
180
540
2°
2°
3209601600
⑨
⑥
Field
The center of the screen
⑧
⑦
⑤④
SR-3 : 50㎝
BM-7 : 50㎝
LCD Panel
Active Area
Test Point
900
Note (3) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point ⑤ of the panel
max
G
/
C R
min
G
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
Note (4) Definition of 9 points brightness uniformity
Buni
(maxmin)
100
BB
Bmax : Maximum brightness
Bmin : Minimum brightness
B
max
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①②③
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Note (5) Definition of Response time : Average response time of all Gray to Gray
Rn : Red Gray, Gn : Green Gray, Bn : Blue Gray (n = Gray level)
Input Signal : 0 = Low level voltage, 1 = High level voltage
G3~
G1020
B3~
B1020
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6. Interface Timing
6.1 Timing Parameters ( DE mode )
SIGNALITEMSYMBOLMIN.TYP.MAX.UnitNOTE
Clock
VsyncF
Frequency
HsyncF
1/T
C
V
H
135.0148.5155.0MHz
456065Hz-
4867.572KHz-
Active
Vertical
Display
Period
T
VD
-1080-Lines-
Display Term
Vertical
Total
T
V
109211251158Lines-
Active
Horizontal
Display
Period
T
HD
-1920-Clocks-
Display Term
Horizontal
Total
T
H
209022002350clocks-
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
2pixel/
clock
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6.2 Timing diagrams of interface signal ( DE only mode )
TV
Samsung Secret
DE
DE
DCLK
DATA
SIGNALS
TVD
TVB
TH
THD
TC
TC
TCH
DCLK
TDSTDH
DISPLAY
DATA
TES
DE
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TCL
0.5
V
0.5
V
CC
0.5
V
CC
CC
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6.3 Power ON/OFF Sequence
Samsung Secret
To prevent a latch-up or DC operation of the LCD Module, the power on/off
sequence should be as the diagram below.
0msec<T1≤10msec
0<T2≤50msec
0<T3≤50msec
1000msec≤T4
1000msec≤T5
(Recommend Value)
100msec≤T6
(Recommend Value)
0.5 Vcc
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 : 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 lamp voltage within the LCD operation range. When the back light turns on
before the LCD operation or the LCD turns off before the back light turns off,
the display may momentarily show abnormal screen.
In case of VDD= off level,
please keep the level of input signals low or keep a high impedance.
T4 should be measured after the Module has been fully discharged between power off
and on period.
Interface signal should not be kept at high impedance when the power is on.
In Case T5 is less than 1000msec and T6 is less than 100msec,
Garbage Display can be seen. (It is not related to electrical function issue, Just for
recommendation to prevent Garbage Display )
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7. Outline Dimension (Front View)
Samsung Confidential
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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
We highly recommend to comply with the criteria in the table below.
ITEMUnitMin.Max.
Storage Temperature(℃)540
Storage Humidity(%rH)3575
Storage life12 months
- The storage room should provide good ventilation and temperature
control.
- Products should not be placed on the floor, but on the Pallet away
from a wall.
- Prevent products from direct sunlight, moisture nor water; Be cautious
Storage Condition
of a build up of condensation.
- Avoid other hazardous environment while storing goods.
- If products delivered or kept in conditions of over the storage period
of 3 months, the recommended temperature or humidity range, we
recommend you leave them at a temperature of 20℃ and a humidity of
50% for 24 hours.
8.4 Packing long-term Storage guide
Long –term Storage
Process
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More than 3months Storage or Low temp.
Delivery/under 5℃ Storage On the 20℃ 50%rH Condition, More
than 10hrs release.
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9. MARKING & OTHERS
Samsung Secret
A nameplate bearing followed by is affixed to a shipped product at the specified
location on each product.
(1) Part number : LTI550HN03
(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)
(4) Nameplate Indication
Product code
Line
Week code : 05 29
0529
MADE IN KOREA
LTI550HN03
XXXXXXXXXX
XXX
40mm
Revision code
Lot number
week
year
80mm
(5) Landscape / Portrait Direction Indication
UP
PORTRAIT
USE
LANDSCAPE
USE
Digital Information Display
80mm
UP
60mm
(6) Packing box attach
:
DVC
TYPE
QTY
LTI550HN03
:
:
XXXX
8
100mm
XXXXXXXXXX
(6) Others
165mm
1. After service part
Lamps cannot be replaced because of the narrow bezel structure.
Landscape
Portrait
Part number
Box serial number
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10. General Precautions
Samsung Secret
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.
(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
handling a module
(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
(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.
(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) Module should be turned clockwise (regular front view perspective) when used in
portrait mode
(c) Avoid condensation of water. It may result in improper operation or disconnection
of electrode.
(d) 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.
(e) 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.
(f) This Module has its circuitry PCB's on the rear side and should be handled
carefully in order not to be stressed.
Samsung Secret
(g) Please contact SEC in advance when you display the same pattern for a long time.
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