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ISSUED DATE : 2010-04-28
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Product Information
Product Information
SAMSUNG TFT--
SAMSUNG TFT
SAMSUNG TFT-LCD
MODEL : :
MODEL
MODEL : LTM170E8-L01
Any Modification of Specification is not allowed without SEC's Permission.
LCD
LCD
LTM170E8--
LTM170E8
L01
L01
Note : This is Product Information is subject to change after 3 months of issuing date.
Application Engineering Part 3, TCS Team
LCD Business, Samsung Electronics Co . , LTD.
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Contents
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Product Information
Product Information
General Description --------------------------------------------------------------------------------- (3)
1. Absolute Maximum Ratings ------------------------------------------------------------------- (4)
2. Optical Characteristics -------------------------------------------------------------------------- (6)
3. Electrical Characteristics ------------------------------------------------------------------------(11)
3.1 TFT LCD Module
3.2 Back Light Unit
4. Block Diagram ----------------------------------------------------------------------------------- (16)
4.1 TFT LCD Module
4.2 Back Light Unit
5. Input Terminal Pin Assignment -------------------------------------------------------------- (17)
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 --------------------------------------------------------------------------------- (26)
6.1 Timing Parameters (DE only mode)
6.2 Timing Diagrams of interface Signal (DE only mode)
6.3 Power ON/OFF Sequence
6.4 VDD Power Dip Condition
7. Outline Dimension ------------------------------------------------------------------------------- (30)
8. General Precaution ---------------------------------------------------------------------------- (32)
10.1 Handling
10.2 Storage
10.3 Operation
10.4 Others
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General Description
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Product Information
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Description
LTM170E8-L01 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 a19” is 1280 x
1024 and this model can display up to 16.7 millions colors.
Features
High contrast ratio, high aperture structure
PVA (Patterned Vertical Alignment) mode
Wide viewing angle
High speed response
SXGA (1280 x 1024 pixels) resolution
Low power consumption
2 dual CCFTs (Cold Cathod Fluorescent Tube)
DE (Data Enable) mode
LVDS (Low Voltage differential Signaling) interface (2pixel/clock)
RoHS compliance
Pb-free compliance
Applications
Workstation & desktop monitors
Display terminals for AV application products
Monitors for industrial 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
mm0.264(H) x 0.264(W)Pixel Pitch
mm337.92(H) x 270.336(V)Active Display Area
colors16.7MDisplay Colors
pixel1280 x 1024Number of Pixels
RGB vertical stripePixel Arrangement
Note
Normally BlackDisplay Mode
cd/༇280(Typ.)Luminance of White
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Mechanical Information
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Max.
355.4
mm354.9354.4Horizontal (H)
Module
290.8
mm290.3289.8Vertical (V)
size
13.3
mm--Depth (D)
1,700
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
LCD module onlyg--
w/ Inverter assemblyg--
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)
Shock ( non - operating )
Vibration ( non - operating )
Note (1) Ta= 25 · 2 ¶C
DD
STG
OPR
nop
nop
60-20T
500T
V6.5GND-0.5V
(1)
(2)G50-S
(3)G1.5-V
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(1) 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
(2) 11ms, sine wave, one time for ·X, ·Y, ·Z axis
(3) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
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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=5V, fv= 60Hz, fDCLK=54MHz, IL = 6.5mArms)
NoteUnitMax.Typ.Min.ConditionSymbolItem
Contrast Ratio
(Center of screen)
Response
Time
Falling
Luminance of White
(Center of screen)
Green
Color
Chromaticity
(CIE 1931)
Red
Blue
Rx
-1,500800C/R
2015-TrRising
msec
1510-Tf
L
0.640
0.330Ry
Normal
ɂ
ɂ
Viewing
Angle
+0.030
0.300Gx
0.600Gy
0.150Bx
0.060By
-0.030
cd/m2-280240Y
(3)
SR-3
(5)
BM-7
(6)
SR-3
0.313Wx
White
0.329Wy
-0.451-Ru'
Red
-0.523-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'
-0.175-Bu'
Blue
-0.158-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.
Brightness Uniformity
(9 Points)
L
ɂ
R
ɂ
U
ɂ
D
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 : 6.5mA
Environment condition : Ta = 25 · 2 ¶C
CR˻10
-8980
-8980
Degrees
-8980
-8980
%25--B
(8)
SR-3
(4)
SR-3
Field Photo detector
1ദSR-3
TFT - LCD Module
Photo detector
Field
SR-3 : 50
BM-7 : 50
LCD Panel
The center of the screen
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Note (2) Definition of test point
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Note (3) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point㽶 of the panel
G
CR
Note (4) Definition of 9 points brightness uniformity
Buni
max
=
G
min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
BB
=×
100
Bmax : Maximum brightness
Bmin : Minimum brightness
(max min)
B
−
max
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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)
T
F
100%
90%
T
R
Response
10%
0%
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
Time
Note (8) Definition of Viewing Angle
: Viewing angle range (CR ı10)
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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
-1
gray step : move a square of 255 gray level should be moved into the center of 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
Δu' v'= (u' - u' ) + (v' - v' )
AB
2
AB
2
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’.
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3. Electrical Characteristics
3.1 TFT LCD Module
The connector for display data & timing signal should be connected.
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Ta = 25¶C
NoteUnitMax.Typ.Min.SymbolItem
Voltage of Power Supply
Differential Input
Voltage for LVDS
Receiver Threshold
LVDS skew
LVDS
Input
Characteri
stics
Differential input
voltage
Input voltage range
(single-ended)
Common mode
voltage
Current of
(a) Black
Power
Supply
Vsync Frequency
DD
SKEW
IN
V
CM
I
DD
V
0+
|VID|/2
1.2
2.4-
|V
(1)V5.55.04.5V
(2)mV+100--High
mV---100Low
(3)psec200-200t
(4)mV600200|VID|
(4)V2.40V
(4)V
|/2
ID
mA-700-
mA-800-(b) White (5),(6)
mA1,2001,000-(c) Dot
Hz766055f
Hsync Frequency
Main Frequency
Rush Current
H
DCLK
RUSH
Note (1) The ripple voltage should be controlled under 10% of VDD.
kHz81.16456.7f
MHz68.45438.1f
(7)A4.0--I
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(2)
Differential receiver voltage definitions and propagation delay and transition time test circuit
a. All input pulses have frequency = 10MHz, t
b. C
includes all probe and fixture capacitance
L
Note a.
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or tF=1ns
R
Note b.
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(3) LVDS Receiver DC parameters are measured under static and steady conditions
which may not be reflective of its performance in the end application.
T
LVDS Clk
LVDS Data
V
= 0V
DIFF
V
= 0V
DIFF
Differential
Differential
RX +/-
t
SKEW
where tskew : skew between LVDS clock & LVDS data,
T : 1 period time of LVDS clock
cf) (-/+) of 200psec means LVDS data goes before or after LVDS clock.
(4) Definition of V
and V
ID
using single-end signals
CM
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(5) fV=60Hz, fDCLK = 54.0MHz, VDD = 5.0V, DC Current.
(6) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) Dot
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Approval Specification
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Approval Specification
(7) 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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3.2 Back Light Unit
The back light unit is an edge lighting with 2 dual CCFTs (Cold Cathode Fluorescent Tube ).
The characteristics of those lamps are shown in the following tables.
Ta=25 · 2¶C
NoteUnitMax.Typ.Min.SymbolItem
Lamp Current
Lamp Voltage
Lamp Frequency
L
L
L
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)mArms7.56.53.0I
Vrms-630-V
(2)kHz60-40f
(3)Hour--50,000HrOperating Life Time
0 : 1,580
--VsStartup Voltage
(4)Vrms
25: 1,210
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
50% or less than its original value at the condition of Ta = 25·2¶C and I
= 6.5mArms
L
(4) 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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4. BLOCK DIAGRAM
4.1 TFT LCD Module
Product Information
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4.2 Back Light Unit
Connector : YEONHO 35001HS-02L or equivalent
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5. Input Terminal Pin Assignment
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5.1. Input Signal & Power ( Connector : UJU IN-30-OB100 or equivalent )
FUNCTIONSYMBOLPIN NO
Negative Transmission Data of Pixel 0 (ODD data)RXO0-1
Positive Transmission Data of Pixel 0 (ODD data)RXO0+2
Negative Transmission Data of Pixel 1 (ODD data)RXO1-3
Positive Transmission Data of Pixel 1 (ODD data)RXO1+4
Negative Transmission Data of Pixel 2 (ODD data)RXO2-5
Positive Transmission Data of Pixel 2 (ODD data)RXO2+6
Power GroundGND7
Negative Sampling Clock (ODD data)RXOC-8
Positive Sampling Clock (ODD data)RXOC+9
Negative Transmission Data of Pixel 3 (ODD data)RXO3-10
Positive Transmission Data of Pixel 3 (ODD data)RXO3+11
Negative Transmission Data of Pixel 0 (EVEN data)RXE0-12
Positive Transmission Data of Pixel 0 (EVEN data)RXE0+13
Power GroundGND14
Negative Transmission Data of Pixel 1 (EVEN data)RXE1-15
Positive Transmission Data of Pixel 1 (EVEN data)RXE1+16
Power GroundGND17
Negative Transmission Data of Pixel 2 (EVEN data)RXE2-18
Positive Transmission Data of Pixel 2 (EVEN data)RXE2+19
Negative Sampling Clock (EVEN data)RXEC-20
Positive Sampling Clock (EVEN data)RXEC+21
Negative Transmission Data of Pixel 3 (EVEN data)RXE3-22
Positive Transmission Data of Pixel 3 (EVEN data)RXE3+23
Power GroundGND24
For LCD internal use only. Do not Connection*CE25
For LCD internal use only. Do not Connection*CTL26
For LCD internal use only. Do not ConnectionTEST27
28
29
30
V
DD
V
DD
V
DD
Power Supply : +5V
* If the system already uses the 25, 26pins, it should keep under GND level
The voltage applied to those pins should not exceed -200mV.
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Note) Pin number starts from Right side
Pin No. 30 Pin No. 1
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Control PCB
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#30
#30
#30
UJU IN-30-OB100 or equivalent
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.
#1
#1
#1
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5.2 LVDS Interface (1)
5.2.1 Odd Pixel Data (1st pixel data)
1st LVDS Transmitter ( DS90C383, DS90C385 ) Signal Interface
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Device Input
Pin
Device Input Signal
Red Odd Pixel Data (LSB) RO0TXIN0 51
Red Odd Pixel Data RO1TXIN1 52
Red Odd Pixel Data RO2TXIN2 54
Red Odd Pixel Data RO3TXIN3 55
Red Odd Pixel Data RO4TXIN4 56
Red Odd Pixel Data (MSB) RO7TXIN5 2
Red Odd Pixel Data RO5TXIN6 3
Green Odd Pixel Data (LSB)GO0TXIN7 4
Green Odd Pixel Data GO1TXIN8 6
Green Odd Pixel Data GO2TXIN9 7
Green Odd Pixel Data GO6TXIN108
Green Odd Pixel Data (MSB)GO7TXIN1110
Output
Signal
TXOUT0-
TXOUT0+
TXOUT3-
TXOUT3+
TXOUT0-
TXOUT0+
TXOUT1-
TXOUT1+
TXOUT3-
TXOUT3+
To LTM170E8
Interface ( CN101 )
SymbolTerminalFunctionSymbolSymbolNo
No. 1
No. 2
No. 10
No. 11
No. 1
No. 2
No. 3
No. 4
No. 10
No. 11
RXO0-
RXO0+
RXO3-
RXO3+
RXO0-
RXO0+
RXO1-
RXO1+
RXO3-
RXO3+
Green Odd Pixel Data GO3TXIN1211
Green Odd Pixel Data GO4TXIN1312
Green Odd Pixel Data GO5TXIN1414
Blue Odd Pixel Data (LSB) BO0TXIN1515
Blue Odd Pixel Data BO6TXIN1616
Blue Odd Pixel Data (MSB) BO7TXIN1718
Blue Odd Pixel Data BO1TXIN1819
Blue Odd Pixel Data BO2TXIN1920
Blue Odd Pixel Data BO3TXIN2022
Blue Odd Pixel Data BO4TXIN2123
Blue Odd Pixel Data BO5TXIN2224
Red Odd Pixel Data RO6TXIN2750
TXOUT1-
TXOUT1+
TXOUT3-
TXOUT3+
TXOUT1-
TXOUT1+
TXOUT2-
TXOUT2+
TXOUT3-
TXOUT3+
No. 3
No. 4
No. 10
No. 11
No. 3
No. 4
No. 5
No. 6
No. 10
No. 11
RXO1-
RXO1+
RXO3-
RXO3+
RXO1-
RXO1+
RXO2-
RXO2+
RXO3-
RXO3+
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5.2.2 Even Pixel Data (2nd pixel data)
2nd LVDS Transmitter ( DS90C383, DS90C385 ) Signal Interface
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Device Input SignalDevice Input Pin
Red Even Pixel Data (LSB) RE0TXIN0 51
Red Even Pixel Data RE1TXIN1 52
Red Even Pixel Data RE2TXIN2 54
Red Even Pixel Data RE3TXIN3 55
Red Even Pixel Data RE4TXIN4 56
Red Even Pixel Data (MSB) RE7TXIN5 2
Red Even Pixel Data RE5TXIN6 3
Green Even Pixel Data (LSB)GE0TXIN7 4
Green Even Pixel Data GE1TXIN8 6
Green Even Pixel Data GE2TXIN9 7
Green Even Pixel Data GE6TXIN108
Green Even Pixel Data (MSB)GE7TXIN1110
Output
Signal
TXOUT0-
TXOUT0+
TXOUT3-
TXOUT3+
TXOUT0-
TXOUT0+
TXOUT1-
TXOUT1+
TXOUT3-
TXOUT3+
To LTM170E8
Interface ( CN101 )
SymbolTerminalFunctionSymbolSymbolNo
No. 12
No. 13
No. 22
No. 23
No. 12
No. 13
No. 15
No. 16
No. 22
No. 23
RXE0-
RXE0+
RXE3-
RXE3+
RXE0-
RXE0+
RXE1-
RXE1+
RXE3-
RXE3+
Green Even Pixel Data GE3TXIN1211
Green Even Pixel Data GE4TXIN1312
Green Even Pixel Data GE5TXIN1414
Blue Even Pixel Data (LSB) BE0TXIN1515
Blue Even Pixel Data BE6TXIN1616
Blue Even Pixel Data (MSB) BE7TXIN1718
Blue Even Pixel Data BE1TXIN1819
Blue Even Pixel Data BE2TXIN1920
Blue Even Pixel Data BE3TXIN2022
Blue Even Pixel Data BE4TXIN2123
Blue Even Pixel Data BE5TXIN2224
Red Even Pixel Data RE6TXIN2750
TXOUT1-
TXOUT1+
TXOUT3-
TXOUT3+
TXOUT1-
TXOUT1+
TXOUT2-
TXOUT2+
TXOUT3-
TXOUT3+
No. 15
No. 16
No. 22
No. 23
No. 15
No. 16
No. 18
No. 19
No. 22
No. 23
RXE1-
RXE1+
RXE3-
RXE3+
RXE1-
RXE1+
RXE2-
RXE2+
RXE3-
RXE3+
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5.3 LVDS Interface (2)
5.3.1 Odd Pixel Data (1st pixel data)
LVDS Transmitter ( DS90C387 ) Signal Interface
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Device Input SignalDevice Input Pin
Red Odd Pixel Data (LSB) RO0R1010
Red Odd Pixel Data RO1R119
Red Odd Pixel Data RO2R12 8
Red Odd Pixel Data RO3R13 7
Red Odd Pixel Data RO4R14 6
Red Odd Pixel Data (MSB) RO7R17 3
Red Odd Pixel Data RO5R15 5
Green Odd Pixel Data (LSB)GO0G10 2
Green Odd Pixel Data GO1G11 1
Green Odd Pixel Data GO2G12 100
Green Odd Pixel Data GO6G1694
Green Odd Pixel Data (MSB)GO7G1793
Output
Signal
A0M
A0P
A3M
A3P
A0M
A0P
A1M
A1P
A3M
A3P
To LTM170E8
Interface ( CN101 )
SymbolTerminalFunctionSymbolSymbolNo
No. 1
No. 2
No. 10
No. 11
No. 1
No. 2
No. 3
No. 4
No. 10
No. 11
RXO0-
RXO0+
RXO3-
RXO3+
RXO0-
RXO0+
RXO1-
RXO1+
RXO3-
RXO3+
Green Odd Pixel Data GO3G1399
Green Odd Pixel Data GO4G1496
Green Odd Pixel Data GO5G1595
Blue Odd Pixel Data (LSB) BO0B1092
Blue Odd Pixel Data BO6B1686
Blue Odd Pixel Data (MSB) BO7B1785
Blue Odd Pixel Data BO1B1191
Blue Odd Pixel Data BO2B1290
Blue Odd Pixel Data BO3B1389
Blue Odd Pixel Data BO4B1488
Blue Odd Pixel Data BO5B1587
Red Odd Pixel Data RO6R164
A1M
A1P
A3M
A3P
A1M
A1P
A2M
A2P
A3M
A3P
No. 3
No. 4
No. 10
No. 11
No. 3
No. 4
No. 5
No. 6
No. 10
No. 11
RXO1-
RXO1+
RXO3-
RXO3+
RXO1-
RXO1+
RXO2-
RXO2+
RXO3-
RXO3+
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5.3.2 Even Pixel Data (2nd pixel data)
LVDS Transmitter ( DS90C387 ) Signal Interface
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Product Information
Product Information
Device Input
Pin
Device Input Signal
Red Even Pixel Data (LSB) RE0R2084
Red Even Pixel Data RE1R2181
Red Even Pixel Data RE2R22 80
Red Even Pixel Data RE3R23 79
Red Even Pixel Data RE4R24 78
Red Even Pixel Data (MSB) RE7R27 75
Red Even Pixel Data RE5R25 77
Green Even Pixel Data (LSB)GE0G20 74
Green Even Pixel Data GE1G21 73
Green Even Pixel Data GE2G22 72
Green Even Pixel Data GE6G2666
Green Even Pixel Data (MSB)GE7G2765
Output
Signal
A4M
A4P
A7M
A7P
A4M
A4P
A5M
A5P
A7M
A7P
To LTM170E8
Interface ( CN101 )
SymbolTerminalFunctionSymbolSymbolNo
No. 12
No. 13
No. 22
No. 23
No. 12
No. 13
No. 15
No. 16
No. 22
No. 23
RXE0-
RXE0+
RXE3-
RXE3+
RXE0-
RXE0+
RXE1-
RXE1+
RXE3-
RXE3+
Green Even Pixel Data GE3G2371
Green Even Pixel Data GE4G2470
Green Even Pixel Data GE5G2569
Blue Even Pixel Data (LSB) BE0B2064
Blue Even Pixel Data BE6B2658
Blue Even Pixel Data (MSB) BE7B2757
Blue Even Pixel Data BE1B2163
Blue Even Pixel Data BE2B2262
Blue Even Pixel Data BE3B2361
Blue Even Pixel Data BE4B2460
Blue Even Pixel Data BE5B2559
Red Even Pixel Data RE6R2676
A5M
A5P
A7M
A7P
A5M
A5P
A6M
A6P
A7M
A7P
No. 15
No. 16
No. 22
No. 23
No. 15
No. 16
No. 18
No. 19
No. 22
No. 23
RXE1-
RXE1+
RXE3-
RXE3+
RXE1-
RXE1+
RXE2-
RXE2+
RXE3-
RXE3+
NOTE) Must be connected 24th BAL pin with low and 23th DUAL pin with high in DS90C387 LVDS
Transmitter
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5.3.3 Timing Diagrams of LVDS For Transmitting
LVDS Receiver : Integrated T-CON
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Note (1) R/G/B[7]s are MSBs and R/G/B[0]s are LSBs.
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5.4 Back Light Unit
Upper
Lower
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Product Information
Product Information
FunctionColorInputPin No.
High VoltagePinkHot11
GroundWhiteCold12
High VoltageBlueHot23
GroundBlackCold24
High VoltagePinkHot11
GroundWhiteCold12
High VoltageBlueHot23
Connector
Part No.
GroundBlackCold24
YEONHO 35001HS-02L or equivalent
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Product Information
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5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
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
6.1 Timing Parameters ( DE only mode )
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Product Information
NOTEUnitMAX.TYP.MIN.SYMBOLITEMSIGNAL
Clock
Hsync
Vsync
Frequency
C
H
V
Active
Vertical
Display
Period
VD
Display Term
Blank Period
VB
Active
Horizontal
Display
Period
HD
Display Term
Horizontal
Total
H
Note (1) This product is DE only mode. The input of Hsync & Vsync signal does
not have an effect on normal operation.
(2) Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
(3) Internal Vcc = 3.3V
-MHz68.45438.11/T
-KHz81.16456.7F
-Hz766055F
-lines102410241024T
-lines--8T
-clocks640640640T
-clocks844-672T
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6.2 Timing diagrams of interface signal ( DE only mode )
T
V
T
VD
DE
T
H
T
HD
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T
VB
DE
DCLK
DATA
SIGNALS
DCLK
T
C
T
C
T
CH
T
CL
0.5
V
CC
T
DS
T
DH
DISPLAY
DATA
DE
T
ES
0.5
V
CC
0.5
V
CC
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Product Information
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6.3 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.
300༕༕༕༕˺˺˺˺T1˺˺˺˺10msec
0˺˺˺˺T2˺˺˺˺50msec
0˺˺˺˺T3˺˺˺˺50msec
1sec˺˺˺˺T4
Back-Light
(Recommended)
500msec˺˺˺˺T5
100msec˺˺˺˺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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6.4 VDD Power Dip Condition
V
DD
90%
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T
d
Product Information
Product Information
80%
V
CC
GND
4.5V ˺ VDD˺ 5.5V
If VDD(typ.) x 80% ˺ VCC ˺ VDD(typ) x 90%
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 "stuck" 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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