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ISSUED DATE : 2006-02-09
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PRODUCT INFORMATION
PRODUCT INFORMATION
SAMSUNG TFT--
SAMSUNG TFT
SAMSUNG TFT-LCD PRODUCT INFORMATION
MODEL : LTM300M1 --
MODEL : LTM300M1
MODEL : LTM300M1 - P01
LCD PRODUCT INFORMATION
LCD PRODUCT INFORMATION
P01
P01
Note : This is Product Information is subject to change after 3 months of issuing date.
LCD Application Engineering 2, TCS Team
Samsung Electronics Co . , LTD.
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Contents
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PRODUCT INFORMATION
PRODUCT INFORMATION
General Description --------------------------------------------------------------------------------- (4)
1. Absolute Maximum Ratings ------------------------------------------------------------------- (5)
2. Optical Characteristics --------------------------------------------------------------------------- (7)
3. Electrical Characteristics ---------------------------------------------------------------------- (10)
3.1 TFT LCD Module
3.2 Back Light Unit
4. Block Diagram ----------------------------------------------------------------------------------- (15)
4.1 TFT LCD Module
4.2 Back Light Unit
5. Input Terminal Pin Assignment -------------------------------------------------------------- (15)
5.1 Input Signal & Power
5.2 LVDS Interface
5.3 Back Light Unit
5.4 Input Signals, Basic Display Colors and Gray Scale of Each Color
6. Interface Timing --------------------------------------------------------------------------------- (19)
6.1 Timing Parameters – Dual mode
6.2 Timing Parameters – Single mode
6.3 Timing diagrams of interface signal ( DE only mode )
6.4 Timing diagrams of interface signal ( Sync mode )
6.5 Power ON/OFF Sequence
6.6 VDD Power Dip Condition
7. Outline Dimension ------------------------------------------------------------------------------- (28)
8. General Precaution ---------------------------------------------------------------------------- (33)
8.1 Handling
8.2 Storage
8.3 Operation
8.4 Others
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General Description
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PRODUCT INFORMATION
Description
LTM300M1-P01 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 30.0” is 2560
x 1600 and this model can display up to 16.7 millions colors.
Features
High contrast ratio & high aperture structure
High speed response
WQXGA (2,560 x 1,600 pixels) resolution
S-PVA (Super Patterned Vertical Alignment) mode
Direct BLU Structure (Cold Cathod Fluorescent Tube)
Sync & DE(Data Enable) mode
Dual Link TMDS serial interface (4pixel/clock)
RoHS compliance
Pb-free compliance
Applications
Workstation & desktop monitors
Display terminals for AV application products
Monitors for industrial machine
HDTV, medical machine
* If the module is used to other applications besides the above, please contact SEC
in advance.
General Information
Haze 44% , Hard-coating (3H)Surface Treatment
UnitSpecificationItems
mm0.2505(H) x 0.2505(W)Pixel Pitch
mm641.28(H) x 400.8(V)Active Display Area
colors8 bit - 16.7MDisplay Colors
Note
pixel2,560 x 1,600Number of Pixels
RGB vertical stripePixel Arrangement
Normally BlackDisplay Mode
cd/༇400Luminance of White
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Mechanical Information
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Max.
-
mm677.3-Horizontal (H)
Module
-
mm436.8-Vertical (V)
size
42.3
-
Weight
-
Note (1) Mechanical tolerance is · 0.5mm unless there is a special comment.
1. Absolute Maximum Ratings
NoteUnitTyp.Min.Item
w/o inverter ass’y
w/ inverter ass’ymm--Depth (D)
LCD module onlyg--
w/ Inverter assemblyg(4,800)-
If the condition exceeds maximum ratings, it can cause malfunction or unrecoverable
damage to the device.
NoteUnitMax.Min.SymbolItem
Power Supply Voltage
Storage temperature
Glass surface temperature
(Operation condition)
Shock ( non - operating )
Vibration ( non - operating )
Note (1) Ta= 25 · 2 ¶C
DD
STG
OPR
nop
nop
60-25T
500T
(1)V21.0GND-0.3V
(2)
(2)
(3)G50-S
(4)G1.5-V
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(2) Temperature and relative humidity range are shown in the figure below.
a. 90 % RH Max. (Ta ˺ 39 ¶C)
b. Maximum wet-bulb temperature at 39 ¶C 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
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(39,90)
(39,90)
(39,90)
(39,90)
(50,50.4)
(50,50.4)
(50,50.4)
(50,50.4)
(60,27.7)
(60,27.7)
(60,27.7)
(60,27.7)
25,5)
25,5)
((--25,5)
((--25,5)
Fig. Temperature and Relative humidity range
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2. Optical Characteristics
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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=18V, fv= 60Hz, fDCLK=134.25MHz, IL = 5.5mArms)
NoteUnitMax.Typ.Min.ConditionSymbolItem
Contrast Ratio
(Center of screen)
Response
Time
G-To-G
Luminance of White
(Center of screen)
Green
Color
Chromaticity
(CIE 1931)
Red
Blue
G-G,AVG
L
Normal
=0
ɂ
L,R
=0
ɂ
U,D
Viewing
Angle
-(1000)(600)C/R
-16-Tr + TfOn/Off
-0.640-Rx
-0.330-Ry
-0.300-Gx
-0.608-Gy
-0.150-Bx
-0.060-By
msec
cd/m2-(400)(350)Y
(3)
SR-3
(5)
BM-7
BM-7msec-6-T
(6)
SR-3
-0.313-Wx
White
0.329Wy
-0.459-Ru'
Red
-0.525-Rv'
-0.125-Gu'
Color
Chromaticity
(CIE 1976)
C.G.L
* C.G.L : Color Grayscale Linearity (continue to the next page)
Green
-0.563-Gv'
-0.164-Bu'
Blue
-0.197-Bv'
-0.198-Wu'
White
-0.468-Wv'
Ƹu'v'White
(7),(8)
SR-3
(9)0.02--
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NoteUnitMax.Typ.Min.ConditionSymbolItem
%-72--Color Gamut
K-6500--Color Temperature
ɂ
Hor.
Viewing
Angle
Ver.
Hor.
Viewing
Angle
Ver.
L
ɂ
R
ɂ
U
ɂ
D
ɂ
L
ɂ
R
ɂ
U
ɂ
D
Brightness Uniformity
(13 Points)
uni
Note (1) Test Equipment Setup
The measurement should be executed in a stable, windless and dark room between
30min 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 : 5.5mA
Environment condition : Ta = 25 · 2 ¶C
CR˻10
CR˻100
-89-
-89Degrees
-89-
(8)
SR-3
-89-
-75-
-75Degrees
-65-
(8)
SR-3
-60-
%25--B
(4)
SR-3
SR-3
BM-7
FieldPhoto detector
1
°
2
°
TFT - LCD Module
Photo detector
Field
The center of the screen
SR-3 : 50
BM-7 : 50
LCD Panel
㎝
㎝
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Note (2) Definition of test point
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256 768 1280 1792 2304
Active Area
: Test Point
13
10
8
5 4
3 2 1
7
9
1112
6
160
480
800
1120
1440
Note (3) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center pointྟ of the panel
G
CR
max
G
min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
Note (4) Definition of 13 points brightness uniformity(100% White)
Buni
BB
u
100
(max min)
B
max
Bmax : Maximum brightness
Bmin : Minimum brightness
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Note (5) Definition of Response time
a. On/Off response time : Sum of Tr, Tf
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Display Data
Optical
Black (TFT OFF) White (TFT ON) Black (TFT OFF)
100%
90%
Response
10%
0%
b. Gray to Gray Response Time
- Measuring gray : 31 Æ 63, 63 Æ95,95 Æ 127, 127 Æ 159, 159 Æ 191, 191 Æ 223
grays and vice versa
-T
G-G, avg
: Average response time of ones between above grays
T
R
T
F
Time
(Example)
Gray to Gray
Response
White
100%
90%
10%
0%
Black
T
96 gray 128 gray95 gray 127 gray
r
T
f
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Note (6) Definition of Luminance of White : Luminance of white at center point㽶
Note (7) Definition of Color Chromaticity (CIE 1931, CIE1976)
Color coordinate of Red, Green, Blue & White at center point㽶
Note (8) Definition of Viewing Angle
: Viewing angle range (CR ı10, CR ı100)
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Note (9) Color Grayscale Linearity
a. Test image : 100% full white pattern with a test pattern as below
b. Test pattern : Squares, 40mm by 40mm in size, filled with 255, 225, 195, 165, 135 and
105 grays steps should be arranged at the centerྜྷ of the screen.
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c. Test method
st
gray step : move a square of 255 gray level should be moved into the center of
-1
the screen and measure luminance and u’ and v’ coordinates.
- Next gray step : Move a 225 gray square into the center and measure both
luminance and coordinates, too.
d. Test evaluation
'u' v'= (u' - u' ) + (v' - v' )AB
Where A, B : 2 gray levels found to have the largest color differences between them
i.e. get the largest ȟu’ and ȟv’ of each 6 pair of u’ and v’ and calculate the ȟu’v’.
2
AB
2
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3. Electrical Characteristics
3.1 TFT LCD Module
The connector for display data & timing signal should be connected. (GND=0V)
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Ta = 25¶C
NoteUnitMax.Typ.Min.SymbolItem
Voltage of Power Supply
Interface Type
(a) Black
Current of
Power
Supply
Vsync Frequency
Hsync Frequency
Main Frequency
Vsync Frequency
Hsync Frequency
Main Frequency
Rush Current
DD
Dual Link
TMDS
I
DD
V
H
DCLK
V
H
DCLK
RUSH
TMDS (Sil178 or Sil170 TX)
MHz-134.25-f
MHz-71.0-f
(1)V(19)18(17)V
mA-TBD-
mA-1,500-(b) White (2),(3)
mA-TBD-(c) Dot
Hz-59.97-f
kHz-98.71-f
4pxl/clk
Hz-59.91-f
kHz-49.31-f
2pxl/clk
(4)A4.0--I
Note (1) The ripple voltage should be controlled under 500mV.
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(2) fV=59.97Hz, fDCLK = 134.25MHz, VDD = 18.0V, DC Current.
(3) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) Dot Pattern
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(4) Measurement Condition
100%
90%
10%
GND
Rush Current I
RUSH
T
=470༕
RUSH
can be measured when T
. is 470༕.
RUSH
V
DD
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LCD Module
Inverter
Inverter
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3.2 Back Light Unit
The back light unit is a direct type 16 CCFTs ( Cold Cathode Fluorescent Tube )
The characteristics of lamps are shown in the following tables.
Ta=25 · 2¶C
NoteUnitMax.Typ.Min.SymbolItem
Lamp Current
Lamp Voltage
Lamp Frequency
L
L
L
Asymmetry
Inverter
waveform
rate
Distortion
rate
Note (1) Specified values are for a single lamp.
Lamp current is measured with current meter for high frequency as shown below.
Refer to the following block diagram of the back light unit for more information.
(1)mArms-5.5-I
Vrms-1840-V
(2)kHz(60)-(40)f
(3)Hour--50,000HrOperating Life Time
%10--Wasy
(4)
1.55541.4141.2726Wdis
0 : 2,460
--VsStartup Voltage
(5)Vrms
25: 1,970
Inverter :
SIT300M1XXXX
X
PINK
WHITE
PINK
WHITE
PINK
WHITE
PINK
WHITE
PINK
WHITE
PINK
WHITE
PINK
WHITE
PINK
WHITE
Fig. Measurement point of Lamp Current
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(2) Lamp frequency which may produce interference with horizontal synchronous
frequency may cause line flow on the display. Therefore lamp frequency should be
detached from the horizontal synchronous frequency and its harmonics as far as
possible in order to avoid interference.
(3) Life time (Hr) is defined as the time when brightness of a lamp unit itself becomes
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50% or less than its original value at the condition of Ta = 25·2¶C and I
(4) Designing a system inverter intended to have better display performance, power
efficiency and lamp reliability.
They would help increase the lamp lifetime and reduce leakage current.
a. The measurement should be done at typical lamp current.
b. The asymmetry rate of the inverter waveform should be less than 10%.
c. The distortion rate of the waveform should be √2 with ±10% tolerance.
- Inverter output waveform had better be more similar to ideal sine wave.
Asymmetry rate
p-p
||II
I
p
I
-p
Distortion rate
I
rms
p
I
||
rms
I
or
u 100
||
= 5.5mArms
L
-p
I
rms
I
Fig. Wave form of the inverter
(5) If an inverter has shutdown function, it should keep its output for over 1 second
even if the lamp connector is open. Otherwise the lamps may not be turned on.
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3.3 Inverter Specification (TBD)
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UnitMaxTypMinConditionSYMItemNo
1
2
3
Output Current
4
5
6
7
8
9
Backlight ON/Off
Control
Lamp Current
Control
*Open Lamp
Voltage
PWM Signal
IinInput Current
Iout(max)
Iout(min)
FLamp Frequency
Vopen
Duty
Vin=21.6V,
ADIM=3.3V
Vin=24V,
ADIM=3.3V
Vin=24V,
ADIM=0.0V
Vin=24V,
ADIM=3.3V
Vin=24V,
ADIM=3.3V
Active high level
ADIM=3.3V
20
(min Bright)
-
100
(max bright)
Vdc26.424.021.6VinInput Voltage
A5.0--
mArms7.57.06.5
mArms4.54.03.5
Khz656055
V5.5-2.4ON
V0.8--0.3OFF
V2.8-0.0ADM
Vrms2400-1400
V5.25-2.4High(ON)Vpwm
V0.8--0.3LOW(OFF)Vpwm
Hz240180120Fpwm
%
10
(Note)
Open Lamp voltage measurement
- Vopen : All output connectors open, then two voltage probe touch on one lamp output
terminals simultaneously
- One wire open voltage : One wire of lamp open, then two voltage probes touch on one lamp
output terminals simultaneously
The open lamp voltage indicates the secondary voltage of Transformer.
in case of open lamp voltage-measurement, They must be tested simultaneously.
sec2.01.51.0Lamp OpenT1Shutdown time
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Data Driver(Column)
Gate
Driver
(Row)
LCD
Driver
Analog
Circuit
RX
& Timing
Controller
Signal
Connector
Power
Connector
Dual
TMDS
Signal
DC Power
Suppl
y
TFT-LCD
4. BLOCK DIAGRAM
4.1 TFT LCD Module
y
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4.2 Back Light Unit
PINK
CN1
WHITE
PINK
CN2
WHITE
PINK
CN3
WHITE
PINK
CN4
WHITE
PINK
CN5
WHITE
PINK
CN6
WHITE
PINK
HOT 1, 2
HOT 3, 4
HOT 5, 6
HOT 7, 8
HOT 9, 10
HOT 11, 12
CCFL 1
CCFL 2
CCFL 3
CCFL 4
CCFL 5
CCFL 6
CCFL 7
CCFL 8
CCFL 9
CCFL 10
CCFL 11
CCFL 12
CN7
WHITE
PINK
CN8
WHITE
HOT 13, 14
HOT 15, 16
CCFL 13
CCFL 14
CCFL 15
CCFL 16
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5. Input Terminal Pin Assignment
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5.1.1 Input Signal ( Connector : IS100-L30O-C23 or Compatible )
* If the system already uses the 28, 29 pins, it should keep under GND level
The voltage applied to those pins should not exceed -200mV.
5.1.2. Input Power
1) Connector (Receptacle) : 53261 (Molex) of Equivalent.
2) Mating Connector (Plug) : 51021 or its equivalent.
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ί·
;ΒΩ·;ΚΟ·
ͿΠΥΖΤ͵ΖΤΔΣΚΡΥΚΠΟ΄ΪΞΓΠΝΚΟ
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5.1.3. Inverter Input Connector : 20022WR-14(L)(Yeonho) or Compatible.
ΠΨΖΣ΄ΦΡΡΝΪ··ͳͽ
ΠΨΖΣ΄ΦΡΡΝΪ··ͳͽ
ΠΨΖΣ΄ΦΡΡΝΪ··ͳͽ
ΠΨΖΣ΄ΦΡΡΝΪ··ͳͽ
ͳͽ
ΠΨΖΣ΄ΦΡΡΝΪ··
ΠΨΖΣΣΠΦΟΕͿ͵
ΠΨΖΣΣΠΦΟΕͿ͵
ΠΨΖΣΣΠΦΟΕͿ͵
ΠΨΖΣΣΠΦΟΕͿ͵
ΠΨΖΣΣΠΦΟΕͿ͵
ͿΠΔΠΟΟΖΔΥΚΠΟ·΄
ͳͽΟΗΗʹΠΟΥΣΠΝΤΚΘΟΒΝ·Ϳ
Έ;͵ΚΞΞΚΟΘʹΠΟΥΣΠΝ΄ΚΘΟΒΝ·ͳ
ͽΒΞΡΡΖΣΒΥΚΟΘ΄ΥΒΥΦΤ΄ΥΒΥΦΤ
Ϳ·ί·
ͷͷί·
ͿΠΣΞΒΝί·
ͲΓΟΠΣΞΒΝ
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Note) Pin number starts from Right side
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Control PCB
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Pin No. 1 Pin No. 30
#1
IS100-L30O-C23
#30
Pin No. 1 Pin No. 15
#1
53261
#15
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 Back Light Unit
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FunctionColorInputPin No.
High VoltagePINKHOT1-1
High VoltageWHITEHOT1-2
High VoltagePINKHOT2-1
High VoltageWHITEHOT2-2
High VoltagePINKHOT3-1
High VoltageWHITEHOT3-2
High VoltagePINKHOT4-1
High VoltageWHITEHOT4-2
High VoltagePINKHOT5-1
High VoltageWHITEHOT5-2
High VoltagePINKHOT6-1
High VoltageWHITEHOT6-2
High VoltagePINKHOT7-1
High VoltageWHITEHOT7-2
High VoltagePINKHOT8-1
High VoltageWHITEHOT8-2
Connector
Part No.
20022WR-14(L)(Yeonho) or Compatible.
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5.4 Input Signals, Basic Display Colors and Gray Scale of Each Color
DATA SIGNAL
COLO
R
BAS
COLO
R
GRAY
SCALE
OF
RED
GRAY
SCALE
OF
GRE
N
GRAY
SCALE
OF
BLUE
IC
E
DISPLAY
(8bit)
EEN
AN
MAGENT
A
IT
E
DARK
↑
↓
LIGHT
DARK
↑
↓
LIGHT
EEN
DARK
↑
↓
LIGHT
G6
G
7
G3
G
5
4
G0R7R6R5R4R3R2R1R0
2
1
G
G
G
BLUEGREENRED
GRAY
SCALE
LEVEL
B7B6B5B4B3B2B1B0
-000000000000000000000000BLACK
-111111110000000000000000BLUE
-000000001111111100000000GR
-111111111111111100000000CY
-000000000000000011111111RED
-111111110000000011111111
-000000001111111111111111YELLOW
-111111111111111111111111WH
R0000000000000000000000000BLACK
R1000000000000000000000001
R2000000000000000000000010
::::::::::::::::::
::::::::::::::::::
::::::::::::::::::
::::::::::::::::::
::::::::::::::::::
::::::::::::::::::
R3
R252
R253000000000000000011111101
R254000000000000000011111110
R255000000000000000011111111RED
G0000000000000000000000000BLACK
G1000000000000000100000000
G2000000000000001000000000
G3~
G252
G253000000001111110100000000
G254000000001111111000000000
G255000000001111111100000000GR
B0000000000000000000000000BLACK
B1000000010000000000000000
B2000000100000000000000000
B3~
B252
B253111111010000000000000000
B254111111100000000000000000
B255111111110000000000000000BLUE
~
Note (1) 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
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PRODUCT INFORMATION
PRODUCT INFORMATION
6.1 Timing Parameters ( Dual Mode : 2560 x 1600 )
134.251/TCFrequency
Clock
Data
THCycleFrame Frequency
Vertical Active
Display Term
One Line
Scanning Time
Horizontal Active
Display Term
Vertical Blank
riod
Pe
B
THDDisplay Period
4pxl/clk
NOTEUNITMAX.TYP.MIN.SYMBOLITEMSIGNAL
Ꮎ
nsec3.725TBDTCHHigh Time
nsec3.725TBDTCLLow Time
nsecTBDTDSSetup Time
nsecTBDTDHHold Time
nsec--TESSetup TimeData Enable
msec-16.68-
linesTBD1646TBD
lines160016001600TVDDisplay Period
linesTBD46TBDTV
clocksTBD2720TBDTHCycle
clocks640640640
pixels256025602560
(1),(2)
2pixel/clock
(3)
Hsync
Vsync
Horizontal
Back Porch
Horizontal
Front Porch
Vertical Back
Porch
Vertical
Front Porch
clocksTBD2720TBDThtTotal Width
uSTBD10.13TBDThpPeriod
KHzTBD98.71TBDFhFrequency
clocksTBD32TBDTwhWidth
clocksTBD80TBDThbp
clocksTBD48TBDThfp
linesTBD1646TBDTvtTotal Width
mSTBD16.68TBDTvpPeriod
HzTBD59.97TBDFvFrequency
linesTBD6TBDTvwWidth
linesTBD15TBDTvbp
linesTBD2TBDTvfp
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6.2 Timing Parameters ( Single Mode : 1280 x 800 )
711/TCFrequency
Clock
Data
THCycleFrame Frequency
Vertical Active
Display Term
One Line
Scanning Time
Horizontal Active
Display Term
Vertical Blank
Period
THDDisplay Period
2pxl/clk
NOTEUNITMAX.TYP.MIN.SYMBOLITEMSIGNAL
Ꮎ
nsec7.04TBDTCHHigh Time
nsec7.04TBDTCLLow Time
nsecTBDTDSSetup Time
nsecTBDTDHHold Time
nsec--TESSetup TimeData Enable
msec-16.69-
linesTBD823TBD
lines800800800TVDDisplay Period
linesTBD23TBDTVB
clocksTBD1440TBDTHCycle
clocks640640640
pixels128012801280
(1),(2)
2pixel/clock
(3)
Hsync
Vsync
Horizontal
Back Porch
Horizontal
Front Porch
Vertical Back
Porch
Vertical
Front Porch
clocksTBD1440TBDThtTotal Width
uSTBD20.28TBDThpPeriod
KHzTBD49.31TBDFhFrequency
clocksTBD32TBDTwhWidth
clocksTBD80TBDThbp
clocksTBD48TBDThfp
linesTBD823TBDTvtTotal Width
mSTBD16.69TBDTvpPeriod
HzTBD59.91TBDFvFrequency
linesTBD6TBDTvwWidth
linesTBD80TBDTvbp
linesTBD48TBDTvfp
Note (1) Test Point : TTL control signal and CLK at TMDS Tx input terminal in system
(2) Internal Vcc = 3.3V
(3) DE signal always must have the fixed period during operating.
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6.3 Timing diagrams of interface signal ( DE only mode )
TV
DE
DE
DCLK
DATA
SIGNALS
TVD
TVB
TH
THD
TC
DCLK
DISPLAY
DATA
DE
TC
TCH
TDS TDH
TES
TCL
0.5
V
0.5
V
CC
0.5
V
CC
CC
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6.4 Timing diagrams of interface signal ( Sync mode )
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˺T2˺
˺T3˺
˺
˺
˺
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PRODUCT INFORMATION
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6.5 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.
300༕˺T1˺10msec
1sec
50msec
50msec
T4
0
0
Back-Light
(Recommended)
500msec
100msec
T5
T6
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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6.6 VDD Power Dip Condition
V
DD
90%
80%
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T
d
PRODUCT INFORMATION
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V
CC
GND
17V ˺ VDD˺ 19V
If V
(typ.) x 80% ˺ VCC˺ VDD(typ) x 90%
DD
Then, 0<Td ˺20msec
Note (1) The above conditions are for the glitch of the input voltage.
(2) For stable operation of an LCD Module power, please follow them.
i.e., if typ VDD x 80% ᆙ Vcc ᆙ typ VDD x 90%, then T
should be less than 20ms.
d
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7. Outline Dimension
[ Refer to the next page ]
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8. General Precautions
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8.1 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 uses high voltages, it should be disconnected from power
source before it is assembled or disassembled.
(c) Refrain from strong mechanical shock and / or any force to the module.
In addition to damage, it may cause improper operation or damage to the module
and CCFT back light.
(d) Note that polarizer films are very fragile and could be damaged 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 cause 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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PRODUCT INFORMATION
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8.2 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.
8.3 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 item 6.3
"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).
8.4 Operation Condition Guide
(a) The LCD product should be operated under normal conditions.
Normal condition is defined as below;
- Temperature : 20·15
- Humidity : 65·20%
- 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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8.5 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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