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Global LCD Panel Exchange Center
To : Customer
Date : 2005-01-31
SAMSUNG TFT-LCD
MODEL NO.:LTM170EX-L21
www.panelook.com
Approval
Approved by :
Any Modification of Spec is not allowed without SEC's permission.
Senior Manager :
Y.D. Jo
PREPARED BY :
LCD Business
Technical Customer Service Team
Samsung Electronics Co . , LTD.
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Contents
Revision History -------------------------- (3)
General Description -------------------------- (4)
1. Absolute Maximum Ratings -------------------------- (5)
1.1 Absolute ratings of environment
1.2 Electrical Absolute Ratings
2. Optical Characteristics -------------------------- (7)
3. Electrical Characteristics -------------------------- (11)
3.1 TFT LCD Module
3.2 Back-light Unit
4. Block Diagram -------------------------- (15)
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4.1 TFT LCD Module
4.2 Back-light Unit
5. Input Terminal Pin Assignment -------------------------- (16)
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 -------------------------- (21)
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 V
Power Dip Condition
DD
6.5 LVDS Input Characteristics
7. Outline Dimension -------------------------- (27)
8. Reliability Test -------------------------- (29)
9. Packing -------------------------- (30)
10. Marking & Others -------------------------- (31)
11. Inspection Criteria -------------------------- (33)
12. General Precaution -------------------------- (34)
12.1 Handling
12.2 Storage
12.3 Operation
12.4 Others
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* Revision History
Date Rev. No Page Summary
Jan. 31,
2005
000 Approval specification of LTM170EX-L21 model was issued first.
Approval
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General Description
* Description
LTM170EX-L21 is a color active matrix TFT (Thin Film Transistor) liquid crystal display
(LCD) that uses amorphous silicon TFTs as switching devices. This model is composed of
a TFT LCD panel, a driver circuit and a back-light system. The resolution of a 17.0" contains
1280 x 1024 pixels and can display up to 16.2 million colors.
* Features
- High contrast ratio, high aperture structure
- TN (Twisted Nematic) mode
- Wide viewing angle
- High speed response
- SXGA (1280 x 1024 pixels) resolution
- Low power consumption
Approval
- 2 dual CCFTs (Cold Cathode Fluorescent Tube)
- DE (Data Enable) mode
- LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)
- Compact Size Design
- Pb-free configuration
* 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
Items
Display area 337.92(H) x 270.336(V) mm
Driver element a-Si TFT active matrix
Display colors 16.2M colors
Number of pixels 1280 x 1024 pixel
Pixel arrangement RGB vertical stripe
Pixel pitch 0.264(H) x 0.264(W) mm
Display mode Normally White
Surface treatment Haze 25% , Hard-coating (3H)
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Specification Unit Note
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* Mechanical information
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Item
Horizontal(H) 354.4 354.9 355.4 mm
Module
size
Vertical(V) 289.8 290.3 290.8 mm
Depth(D) - - 13.3 mm
Weight - - 1,700 g
1. Absolute Maximum Ratings
1.1 Absolute ratings of environment
Item
Storage temperature T
Operating temperature
(Glass surface temperature)
Shock ( non - operating ) Snop - 50 G (2),(4)
Min. Typ. Max. Note
Symbol Min. Max. Unit Note
STG
T
OPR
-25 60
0 50
(1)
(1)
Vibration ( non - operating ) Vnop - 1.5 G (3),(4)
Note (1) Temperature and relative humidity range are shown in the figure below.
90 % RH Max. ( 40 °CtTa )
Maximum wet-bulb temperature at 39 ° C or less. (Ta > 40 °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
(4) At vibration and shock test, the fixture which holds the module to be tested
has to be hard and rigid enough so that the module would not be twisted or
bent by the fixture.
Relative Humidity ( %RH)
100
90
80
60
Operating
Range
40
20
( 25,5)
(-25,5)
-40 -20 0 20 40 60 80
Storage Range
5
0
Temperature (
O
C)
( 40, 90 )
( 50, 50.4 )
( 60,27.7)
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1.2 ELECTRICAL ABSOLUTE RATINGS
(1) TFT LCD Module (Vss = GND = 0 V)
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Approval
Item
Power Supply Voltage V
Note (1) Within Ta ( 25 ± 2 °C)
(2) BACK-LIGHT UNIT
Item
Lamp Current I
Lamp Frequency f
Note (1) Permanent damage to the device may occur if maximum values are exceeded.
Functional operation should be restricted to the conditions described
under Normal Operating Conditions.
(2) Specified values are for a single lamp.
(Refer to the Note (1) in the page 13 for further information.)
Symbol Min. Max. Unit Note
DD
Symbol Min. Max. Unit. Note
L
L
Vss-0.5 6.5 V (1)
Ta = 25 ± 2°C)
(
3.0 8.0 mArms (1),(2)
40 80 kHz (1)
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2. Optical Characteristics
Approval
The following items are measured under stable conditions. The optical characteristics should be
measured in a dark room or equivalent state with the methods shown in Note (1).
Measuring equipment : TOPCON BM-5A, BM-7, PHOTO RESEARCH PR650
Eldim EZ-Contrast
(Inverter Freq. : 50kHz) * Ta = 25 ± 2°C, VDD=5V, fv= 60Hz, f
=54MHz, IL=7.5mA
DCLK
rms
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio
(Center of screen)
Response
Time
Rising T
Falling T
Luminance of White
(Center of screen)
C/R
R
F
Y
L
500 700 -
- 2 4
msec
- 6 10
250 300 - cd/m2
(3)
BM-5A
(5)
BM-7
(6)
BM-5A
Rx 0.620 0.650 0.680
Red
Ry 0.300 0.330 0.360
Color
Chromaticity
(CIE 1931)
Color
Chromaticity
(CIE 1976)
Viewing
Angle
Green
Blue
White
Red
Green
Blue
White
Hor.
Ver.
Gx 0.270 0.300 0.330
Gy 0.570 0.600 0.630
Bx 0.120 0.150 0.180
Normal
=0
I
=0
T
By 0.050 0.080 0.110
Wx 0.283 0.313 0.343
Viewing
Angle
Wy 0.299 0.329 0.359
Ru' - 0.459 -
Rv' - 0.525 -
Gu' - 0.125 -
Gv' - 0.563 -
Bu' - 0.152 -
Bv' - 0.196 -
Wu' - 0.198 -
Wv' - 0.468 -
L
T
R
T
65 75 -
65 75 -
CRt10
H
I
L
I
65 75 -
50 60 -
Degrees
(7)
PR650
(8)
BM-5A
Brightness Uniformity
(9 Points)
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Buni - - 25 %
(4)
BM-5A
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Note (1) Test Equipment Setup
The measurement should be executed in a stable, windless and dark room between
30min and 40min 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 : 7.5mA (Refer to the note(1) in the page 13 for more information.)
Environment condition : Ta = 25 ± 2 °C
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Photodetector
Photodetector
BM-5A 2
BM-7 2
PR650 1
TFT - LCD Module
Field
°
°
°
Field
The center of the screen
Optical Measuring Equipment Setup
BM-5A : 40
BM-7 : 50
PR650 : 50
LCD Panel
㎝
㎝
㎝
Note (2) Definition of test point
128 640 1152
89
6
3
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7
4
12
102
512
922
Active AREA
: 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 pointྜྷof the panel
G
CR
max
G
min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
Note (4) Definition of 9 points brightness uniformity
Approval
BB
Buni
( max min)
100
B
max
Bmax : Maximum brightness
Bmin : Minimum brightness
Note (5) Definition of Response time : Sum of Tr, Tf
Display data
Optical Instruments
WHITE(data off)
T
R
BLACK(data on)
WHITE(data off)
T
F
Response
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100%
90%
10%
0%
TIME
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Approval
Note (6) Definition of Luminance of White : Luminance of white at center point
Note (7) Definition of Color Chromaticity (CIE 1931, CIE1976)
Color coordinate of Red, Green, Blue & White at center point
ྜྷ
Note (8) Definition of Viewing Angle : Viewing angle range (CR10)
ྜྷ
T
=90
L
6 O’clock
direction
= 90
L
o
I
Normal Line
I = 0
o
,
T = 0
o
T L
T R
o
x
I L
I H
y
12 O’clock
direction
= 90
o
I
H
x’y’
=90
R
o
T
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3. Electrical Characteristics
Approval
3.1 TFT LCD MODULE
Ta = 25
Item
Voltage of Power Supply
Symbol Min. Typ. Max. Unit Note
V
DD
4.5 5.0 5.5 V (1)
Interface type LVDS DS90C383/385 DS90C386 Pair
Current of
Power
Supply
Vsync Frequency
Hsync Frequency
Main Frequency
(a) Black
I
DD
- 600 - mA
(c) Dot - 700 850 mA
55 60 77 Hz (4)
56.7 64 82.082 kHz
40.0 54 69.28 MHz
- - 3.0 A (5)
Rush Current
f
DCLK
I
RUSH
f
V
f
H
Note (1) The connector for display data & timing signal should be connected.(Vss=0V)
C
°
(2),(3)(b) White - 500 - mA
(2) f
=60Hz, f
V
DCLK
= 54MHz, V
= 5.0V, DC Current.
DD
(3) Power dissipation check pattern(LCD Module only)
a) Black Pattern b) White Pattern
c) Dot Pattern
(4) At low Vsync frequency, under 60Hz, flicker level can increase at specific pattern.
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(5) Measurement Conditions
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Approval
5V
CONTROL SIGNAL
(HIGH to LOW)
14V
12V
C3
1uF
Control Signal : High(+5V)
R1
47K
R3
47K
Low(Ground)
R2
1K
M1
2SK1059
C2
10000pF
M2
2SK1399
FUSE
VDD ( LCD INPUT)
C1
1uF
All Signal lines to panel, except for power 5V : Ground
The rising time of supplied voltage is controlled to 470us by R3 and C2 value.
GND
0.9 VDD
5V
0.1 VDD
Rising Time
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Approval
3.2 BACK-LIGHT UNIT
The back-light system is an edge - lighting type with 2 dual CCFTs ( Cold Cathode
Fluorescent Tube ) The characteristics of two dual lamps are shown in the following tables.
Ta=25 ± 2° C
Item
Lamp Current I
Lamp Voltage V
Lamp Frequency f
Symbol Min. Typ. Max. Unit Note
L
L
L
3.0 7.5 8.0 mArms (1)
- 565 - Vrms
40 - 60 kHz (2)
Operating Life Time Hr 50,000 - - Hour (3)
asymmetry
inverter
waveform
rate
distortion
W
W
asy
dis
- - 10 %
- -
√2±
10 %
rate
0: 1,800
Startup Voltage Vs - -
Vrms (4)
25: 1,580
Note) The wave form of the inverter output voltage must be area symmetric and the design
of the inverter must have specifications for the modularized lamp.
The performance of the back-light, for example life time or brightness, is much influenced by the
characteristics of the DC-AC inverter for the lamp. So all the parameters of an inverter should be
carefully designed so as not to produce too much leakage current from high-voltage output of the
inverter. When you design or order the inverter, please make sure that a poor lighting caused by the
mismatch of the back-light and the inverter(poor lighting, flicker, etc.) never occur. When you confirm
(6)
it, the module should be operated in the same condition as it is installed in your instrument.
Note (1) Lamp current is measured with current meter for high frequency as shown below.
Refer to the block diagram of the back-light unit in the next page for more information.
Specified values are for a single lamp.
Hot(Pink)
Cold(White)
Hot(Blue)
Cold(Black)
LCD Module
Hot(Pink)
Cold(White)
Hot(Blue)
Cold(Black)
(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
A
Inverter
: SK1700A
synchronous frequency and its harmonics as far as possible in order to avoid interference.
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(3) Life time (Hr) of a lamp is defined as the time in which it continues to operate under the
condition of Ta = 25±2° C and I
or lower than its original value. Operating condition is lamp unit itself, not module assembly at
operating current 7.5mA.
(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.
(5) Because the inverter uses high voltage, please disconnect it from the power before
assembling or disassembling.
(6) The output of the inverter must have symmetrical(negative and positive) voltage waveform
and current waveform.
Please do not use the inverter which has unsymmetrical voltage and current and spike wave.
Designing a system inverter intended to have better display performance,
power efficiency and lamp reliability, please follow the requirements the below.
They would help increase the lamp lifetime and reduce leakage current.
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= 7.5mArms for a lamp until the brightness becomes 50%
L
a. The asymmetry rate of the inverter waveform should be less than 10%.
b. The distortion rate of the waveform should be within√2±10%.
* Inverter output waveform had better be more similar to ideal sine wave.
* Asymmetry rate:
* Asymmetry rate:
I p
I p
I p
I -p
I -p
I -p
* Distortion rate
* Distortion rate
–I –p| / I
–I –p| / I
| I
| I
p
p
(or I –p) / I
(or I –p) / I
I
I
p
p
rms
rms
rms
rms
x 100%
x 100%
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4. Block Diagram
4.1 TFT LCD MODULE
Input
Connector
(30P)
DC/DC
Converter
DC/DC
Converter
L-TCON
(LVDS &
Timing
Controller)
Vcom
Generator
Gamma
Generator
RSDS Signal
Gate
Drive
IC
(x3ea)
Approval
Source Drive IC (x6ea)
(RSDS)
TFT-LCD PANEL
Viedo Data
Control Signal
Gamma
Vcom
DVdd
AVdd
Von/Voff
4.2 BACK-LIGHT UNIT
LAMP(CCFL)
LAMP(CCFL)
LAMP(CCFL)
LAMP(CCFL)
Connector : Yeonho 35001HS-02L or equivalent
HOT(PINK)
1
COLD(WHITE)
2
3
HOT(BLUE)
4
COLD(BLACK)
HOT(PINK)
1
COLD(WHITE)
2
3
HOT(BLUE)
4
COLD(BLACK)
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5. Input Terminal Pin Assignment
5.1. Input Signal & Power ( Connector : UJU IN-30-OB 100 or equivalent )
PIN NO SYMBOL FUNCTION
1 RXO0- Negative Transmission Data of Pixel 0 (ODD data)
2 RXO0+ Positive Transmission Data of Pixel 0 (ODD data)
3 RXO1- Negative Transmission Data of Pixel 1 (ODD data)
4 RXO1+ Positive Transmission Data of Pixel 1 (ODD data)
5 RXO2- Negative Transmission Data of Pixel 2 (ODD data)
6 RXO2+ Positive Transmission Data of Pixel 2 (ODD data)
7 GND Power Ground
8 RXOC- Negative Sampling Clock (ODD data)
9 RXOC+ Positive Sampling Clock (ODD data)
10 RXO3- Negative Transmission Data of Pixel 3 (ODD data)
11 RXO3+ Positive Transmission Data of Pixel 3 (ODD data)
12 RXE0- Negative Transmission Data of Pixel 0 (EVEN data)
Approval
13 RXE0+ Positive Transmission Data of Pixel 0 (EVEN data)
14 GND Power Ground
15 RXE1- Negative Transmission Data of Pixel 1 (EVEN data)
16 RXE1+ Positive Transmission Data of Pixel 1 (EVEN data)
17 GND Power Ground
18 RXE2- Negative Transmission Data of Pixel 2 (EVEN data)
19 RXE2+ Positive Transmission Data of Pixel 2 (EVEN data)
20 RXEC- Negative Sampling Clock (EVEN data)
21 RXEC+ Positive Sampling Clock (EVEN data)
22 RXE3- Negative Transmission Data of Pixel 3 (EVEN data)
23 RXE3+ Positive Transmission Data of Pixel 3 (EVEN data)
24 GND Power Ground
25 NC No Connection
26 NC No Connection
27 NC No Connection
28
30
V
DD
Power Supply : +5V29
Note) Start from left side
PCB
Pin No.1
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5.2 LVDS Interface
5.2.1 Odd pixel data (1st pixel data)
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Approval
1st LVDS Transmitter (
Device Input Pin Device Input Signal
No Symbol Symbol Function Terminal Symbol
51 TXIN0 RO0 Red Odd Pixel Data (LSB)
52 TXIN1 RO1 Red Odd Pixel Data
54 TXIN2 RO2 Red Odd Pixel Data
55 TXIN3 RO3 Red Odd Pixel Data
56 TXIN4 RO4 Red Odd Pixel Data
2 TXIN5 RO7 Red Odd Pixel Data (MSB)
3 TXIN6 RO5 Red Odd Pixel Data
4 TXIN7 GO0 Green Odd Pixel Data (LSB)
6 TXIN8 GO1 Green Odd Pixel Data
7 TXIN9 GO2 Green Odd Pixel Data
DS90C383, DS90C385
) Signal Interface
Output
Signal
TXOUT0-
TXOUT0+
TXOUT3-
TXOUT3+
TXOUT0-
TXOUT0+
TXOUT1-
TXOUT1+
Interface ( CN101 )
No. 1
No. 2
No. 10
No. 11
No. 1
No. 2
No. 3
No. 4
To LTM170EX
RXO0-
RXO0+
RXO3-
RXO3+
RXO0-
RXO0+
RXO1-
RXO1+
8 TXIN10 GO6 Green Odd Pixel Data
10 TXIN11 GO7 Green Odd Pixel Data (MSB)
11 TXIN12 GO3 Green Odd Pixel Data
12 TXIN13 GO4 Green Odd Pixel Data
14 TXIN14 GO5 Green Odd Pixel Data
15 TXIN15 BO0 BlueOddPixelData(LSB)
16 TXIN16 BO6 Blue Odd Pixel Data
18 TXIN17 BO7 Blue Odd Pixel Data (MSB)
19 TXIN18 BO1 Blue Odd Pixel Data
20 TXIN19 BO2 Blue Odd Pixel Data
22 TXIN20 BO3 Blue Odd Pixel Data
23 TXIN21 BO4 Blue Odd Pixel Data
24 TXIN22 BO5 Blue Odd Pixel Data
50 TXIN27 RO6 Red Odd Pixel Data
TXOUT3-
TXOUT3+
TXOUT1-
TXOUT1+
TXOUT3-
TXOUT3+
TXOUT1-
TXOUT1+
TXOUT2-
TXOUT2+
TXOUT3-
TXOUT3+
No. 10
No. 11
No. 3
No. 4
No. 10
No. 11
No. 3
No. 4
No. 5
No. 6
No. 10
No. 11
RXO3-
RXO3+
RXO1-
RXO1+
RXO3-
RXO3+
RXO1-
RXO1+
RXO2-
RXO2+
RXO3-
RXO3+
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5.2.2 Even pixel data (2nd pixel data)
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Approval
2nd LVDS Transmitter (
Device Input Pin Device Input Signal
No Symbol Symbol Function Terminal Symbol
51 TXIN0 RE0 RedEvenPixelData(LSB)
52 TXIN1 RE1 RedEvenPixelData
54 TXIN2 RE2 RedEvenPixelData
55 TXIN3 RE3 RedEvenPixelData
56 TXIN4 RE4 RedEvenPixelData
2 TXIN5 RE7 RedEvenPixelData(MSB)
3 TXIN6 RE5 RedEvenPixelData
4 TXIN7 GE0 Green Even Pixel Data (LSB)
6 TXIN8 GE1 Green Even Pixel Data
7 TXIN9 GE2 Green Even Pixel Data
DS90C383, DS90C385
) Signal Interface
Output
Signal
TXOUT0-
TXOUT0+
TXOUT3-
TXOUT3+
TXOUT0-
TXOUT0+
TXOUT1-
TXOUT1+
Interface ( CN101 )
No. 12
No. 13
No. 22
No. 23
No. 12
No. 13
No. 15
No. 16
To LTM170EX
RXE0-
RXE0+
RXE3-
RXE3+
RXE0-
RXE0+
RXE1-
RXE1+
8 TXIN10 GE6 Green Even Pixel Data
10 TXIN11 GE7 Green Even Pixel Data (MSB)
11 TXIN12 GE3 Green Even Pixel Data
12 TXIN13 GE4 Green Even Pixel Data
14 TXIN14 GE5 Green Even Pixel Data
15 TXIN15 BE0 BlueEvenPixelData(LSB)
16 TXIN16 BE6 BlueEvenPixelData
18 TXIN17 BE7 BlueEvenPixelData (MSB)
19 TXIN18 BE1 BlueEvenPixelData
20 TXIN19 BE2 BlueEvenPixelData
22 TXIN20 BE3 BlueEvenPixelData
23 TXIN21 BE4 BlueEvenPixelData
24 TXIN22 BE5 BlueEvenPixelData
50 TXIN27 RE6 RedEvenPixelData
TXOUT3-
TXOUT3+
TXOUT1-
TXOUT1+
TXOUT3-
TXOUT3+
TXOUT1-
TXOUT1+
TXOUT2-
TXOUT2+
TXOUT3-
TXOUT3+
No. 22
No. 23
No. 15
No. 16
No. 22
No. 23
No. 15
No. 16
No. 18
No. 19
No. 22
No. 23
RXE3-
RXE3+
RXE1-
RXE1+
RXE3-
RXE3+
RXE1-
RXE1+
RXE2-
RXE2+
RXE3-
RXE3+
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5.3 BACK-LIGHT UNIT
Pin No. Input Color Function
1 Hot1 Pink High Voltage
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Upper
Lower
2 Cold1 White Ground
3 Hot2 Blue High Voltage
4 Cold2 Black Ground
1 Hot1 Pink High Voltage
2 Cold1 White Ground
3 Hot2 Blue High Voltage
4 Cold2 Black Ground
Connector
Yeonho 35001HS-02L or equivalent
Part No.
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5.4 Input Signals, Basic Display Colors and Gray Scale of Each Color
Approval
COLOR
BASIC
COLOR
GRAY
SCALE
OF RED
GRAY
SCALE
OF
GREEN
GRAY
SCALE
OF
BLUE
DISPLAY
(8bit)
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -
BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 -
GREEN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 -
CYAN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -
RED 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -
MAGENTA 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 -
YELLOW 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 -
WHITE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R0
DARK
LIGHT
RED 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R252
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G0
DARK
LIGHT
GREEN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G252
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 B0
DARK
LIGHT
BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 B252
R0 R1 R2 R3 R4 R5 R6 R7 G0 G1 G2 G3 G4 G5 G6 G7 B0 B1 B2 B3 B4 B5 B6 B7
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R1
↑
↓
↑
↓
↑
↓
0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R2
: : : : : : : : : : : : : : : : : :
: : : : : : : : : : : : : : : : : :
1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R252
0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R252
0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G1
0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G2
: : : : : : : : : : : : : : : : : :
: : : : : : : : : : : : : : : : : :
0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G252
0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G252
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 B1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 B2
: : : : : : : : : : : : : : : : : :
: : : : : : : : : : : : : : : : : :
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 B252
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 B252
RED GREEN BLUE
DATA SIGNAL GRAY
SCALE
LEVEL
R3~
R252
G3~
G252
B3~
B252
Note) Definition of Gray :
Rn : Red Gray, Gn : Green Gray, Bn : Blue Gray (n = Gray level)
Input Signal : 0 = Low level voltage, 1 = High level voltage
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6. Interface Timing
6.1 Timing Parameters ( DE only mode )
SIGNAL ITEM SYMBOL MIN. TYP. MAX. UNIT NOTE
Frequency 1/T
Clock
Data
Data Enable Setup Time T
Frame Frequency
High Time T
Low Time T
Setup Time T
Hold Time T
Cycle Tv
CH
CL
DS
DH
ES
Approval
C
40 54 69.28 MHz
4 - - nsec
4 - - nsec
(1), (2)
4 - - nsec
4 - - nsec
4 - - nsec
18.18 16.7 12.99 msec
1031 1066 - lines
Frequency T
Display Period T
VD
VB
55 60 77 Hz (3)
1024 1024 1024 lines
Vertical Active
Display Term
Vertical Blank
T
H
8 - - lines
Period
One Line
Cycle T
HD
752 844 1130 clocks
Scanning Time
Horizontal Active
Display Period 640 640 640 clocks
Display Term
Note (1) Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
(2) Internal Vcc = 3.3V
(3) At low Vsync frequency, Under 60Hz, flicker level can increase at specific pattern.
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6.2 Timing diagrams of interface signal ( DE only mode )
T
V
T
VD
DE
T
HD
DE
Approval
T
VB
T
H
D
CLK
DATA
SIGNALS
D
CLK
DISPLAY
DATA
T
C
T
C
T
CH
T
DS
T
CL
0.5 V
CC
T
DH
0.5 V
CC
T
ES
DE
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0.5 V
CC
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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.
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Power Supply
Power Supply
DD
DD
V
V
1
300
300
0
0
0
0
Back-light(Recommended)
Back-light(Recommended)
1
T
T
2
2
T
T
3
3
T
T
1sec
1sec
Signals
Signals
500
500
msec
msec
100 msec
100 msec
10msec
10msec
0V
0V
50 msec
50 msec
50 msec
50 msec
4
4
T
T
0 V
0 V
5
5
T
T
6
6
T
T
0.1 V
0.1 V
0.9 V
0.9 V
DD
DD
DD
DD
1
1
T
T
T
T
Power On
Power On
DD
DD
0.9 V
0.9 V
DD
DD
0.1 V
0.1 V
3
3
T
T
2
2
VALID
VALID
Power Off
Power Off
50% 50%
50% 50%
4
4
T
T
5
5
T
T
6
6
T
T
Power ON/OFF Sequence
Note. (1) The supply voltage of the external system for the module input should be the
same as the definition of V
DD
.
(2) 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.
(3) In case of V
= off level,
DD
please keep the level of input signals low or keep a high impedance.
(4) T4 should be measured after the module has been fully discharged between
power off and on period.
(5) Interface signal should not be kept at high impedance when the power is on.
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ᆙ
ᆙ
ᆙ
ᆙ
ᆙ
6.4 VDDPower Dip Condition
V
DD
GND
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Approval
Vcc
Td
4.5V
if V
(typ) x 20%
DD
then, 0<Td
V
DD
20msec
5.5V
Vcc
VDD(typ) x 10%,
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 V
DD
x 20%
ᆙ
Vcc
ᆙ
typ VDDx 10%,
then Td should be less than 20ms.
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6.5 LVDS Input Characteristics
6.5.1 FPD-link (LVDS) Receiver input (RxCLKO/EP/N; RxIN/E[y]P/N, y=0,1,2,3)
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Approval
Symbol
V
TH
LVDS
V
TL
LVDS
V
IN
V
ID
V
CM
I
IN
RPLLS
Parameter Conditions Min Typ Max unit
Differential input high
+100 mV
threshold
VCM= +1.2V
Differential input low
-100 mV
threshold
Input voltage range
0 2.4 V
(single-ended)
Differential input voltage 100 600 mV
Common mode voltage
VIN=2.4V, VDD=3.6V
V
0+
ID
/2
2.4-
V
±
ID
10
V
/2
㎂
Input current
VIN=0V, VDD=3.6V
±
10
㎂
FPD-link receiver
phase lock
10 ms
look wake-up time
t
skew
LVDS Clk
LVDS Clk
LVDS data
LVDS data
RX+/-
RX+/-
skew between
F=85MHz
-380 380 psec
=3.3V
LVDS clock & LVDS data
V
DD
Note
(1) LVDS Recevier DC parameters are measured under static and steady
conditions which may not be reflective of its performance in the end
application.
(2) t
skew
T
T
Vdiff = 0V
Vdiff = 0V
tskew1
tskew1
Vdiff = 0V
Vdiff = 0V
Differential
Differential
Differential
Differential
where t
: skew between LVDS clock & LVDS data,
skew
T : 1 period time of LVDS clock
cf) (-/+) of 380psec means LVDS data goes before or after LVDS clock.
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6.5.2 RSDSTMOutput(F/BCLKP/N,FBz[y]P/N;z=R,G,B,y=0,1,2)
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Approval
=100ᆅ,IPI=100
R
T
Symbol Parameter Conditions Min Typ Max unit
VOD
VOS
RSDS
RSDS
Differential Output Voltage
Offset Voltage 1.3 V
±
200 mV
㎂
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7. Outline Dimension
[ Refer to the next page ]
Approval
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8. Reliability Test
Test Items Conditions Time/Cycle Sample
HTOL* 50qC,Bias 500 hrs 12
LTOL* 0qC,Bias 500 hrs 5
THB** 40qC / 95% , Bias 500 hrs 5
HTS*** 70qC,NoBias 500 hrs 5
LTS*** -30qC,NoBias 500 hrs 5
Thermal Cycle -20qC/30min ~ +60qC/30min , No bias 100 cycle 5
Box Drop 1 angle , 3 edge , 6 side , 66 cm 5
Shock
(Non-operating)
Vibration
(Non-operating)
Non
-Operating
50G , 11msec ,rx/y/z axis 1time/±axis 3
1.5G , 10~300 Hz
x/y/z axis , sweep rate : 10 min
CDM : 150pF, 330, 9point, 3 times/point
Approval
30min/axis 3
10kV 3
r
ESD
Operating
[ 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
Contact : 150pF, 330, 100point, once/point
Air(non-contact) : 150pF, 330, 100point, once/point
r
r
8kV 3
15kV 3
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9. PACKING
9.1 CARTON (Internal Package)
(1) Packing Form
Corrugated fiberboard box and corrugated cardboard as shock absorber
(2) Packing Method
a) Without Inverter
PANEL-PROTECTOR
Approval
SHIELDING-BAG
TAPE-PAPER(4point)
CUSHION-PAD
PACKING-CASE
LABEL-SAFETY
LABEL
OPP-TAPE
NOTE) 1) TOTAL Weight : Approx. 10
2) Acceptance number of piling : 5 sets
3) Carton size : 390(W) X 320(D) X 410(H)
4) MAX accumulation quantity : 5 cartons
༌
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(3) Packing Material
No Part name Quality
1 Static electric protective sack 5
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Approval
2
3 Pictorial marking 2pics
4 Carton 1set
Packing case(Inner box)
1set
included shock absorber
10. MARKING & OTHERS
A nameplate bearing followed by is affixed to a shipped product at the specified
location on each product.
(1) Parts number : LTM170EX-L21
(2) Revision code : Two letters
(3) Customer code : One letter
XXX
Revision Code
Customer Code
(4) Lot number : 5 E 4 E 00210A
(5) Nameplate Indication
LTM170EX-L21
5E4E00210A
PPID added
XXX
Lot Number
Month
Year
Device
Line
Week Code : 0452
Week
Year
40mm
80mm
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(6) Packing box attach
LTM170EX-L21
XXX
80mm
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Approval
40mm
Parts Number
Revision Code
Box Serial Number
(7) Others
1. After service part
(Lamps cannot be replaced because of the narrow bezel structure.)
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11. Inspection Criteria
When products are shipped, incoming inspection should be carried out with a sampling
inspection based on MIL-STD-105E level II by AQL 1.0%.
CHANGE CONTROL
Design of the product may be changed regarding the specifications, appearance, parts used,
circuits, etc. for product improvement.
If a design change is judged to affect the specifications of this product, supplier should
inform customer of the change in advance.
QUALITY CONTROL
In the event of a product failure under normal operating conditions, a product trouble
or a functional disorder that can be deemed to be the responsibility of supplier, supplier
should repair the fault or replace the product free of charge within one year from the
product delivery date. However, supplier does not take responsibility for the product quality
Approval
in the case of modifications not specified by supplier.
MAINTENANCE
The specifications of the functions of maintenance parts may be partially changed
within the range which provides equivalent or better quality.
In principle, maintenance parts should be product units.
When stopping manufacturing this product, supplier should notify customer in advance.
HANDLING OF DOUBTFUL POINTS
Any doubt not stipulated in this specification is to be resolved by mutual agreement
between customer and supplier, and supplier should make efforts for improvement in good
faith.
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12. General Precautions
12.1 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 deasily.
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.
Approval
(f) If the surface of the polarizer is dirty, clean it using some 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 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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12.2 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.
12.3 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"
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(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).
12.4 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,
andsoon)
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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