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Approval Specification
Customer : VD DATE : 17 / Oct / 2007
SAMSUNG TFT-LCD
SAMSUNG TFT-LCD
MODEL : LTM170EU-L31
MODEL : LTM170EU-L31
Any Modification of Specification is not allowed without SEC's Permission.
NOTE :
PREPARED BY DATE
Customer's Approval 17/Oct/'07
SIGNATURE DATE APPROVAED BY DATE
17/Oct/'07
Development Group 1(HD), LCD Business
Samsung Electronics Co . , LTD.
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 1/37
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Contents Approval Specification
Revision History -------------------------------------------------------------------------------------- (3)
General Description --------------------------------------------------------------------------------- (4)
1. Absolute Maximum Ratings ------------------------------------------------------------------- (5)
2. Optical Characteristics -------------------------------------------------------------------------- (7)
3. Electrical Characteristics ------------------------------------------------------------------------(12)
3.1 TFT LCD Module
3.2 Back Light Unit
4. Block Diagram ----------------------------------------------------------------------------------- (17)
4.1 TFT LCD Module
4.2 Back Light Unit
5. Input Terminal Pin Assignment -------------------------------------------------------------- (18)
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 --------------------------------------------------------------------------------- (25)
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 ------------------------------------------------------------------------------- (29)
8. Reliability Test -------------------------------------------------------------------------------------(31)
9. Packing -------------------------------------------------------------------------------------------- (32)
10. Marking & Others ------------------------------------------------------------------------------- (33)
11. General Precaution ---------------------------------------------------------------------------- (35)
11.1 Handling
11.2 Storage
11.3 Operation
11.4 Others
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 2/37
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* Revision History Approval Specification
Rev.
Date Page Summary
No
Oct. 17. S00 all Approval specification of LTM170EU-L31 model was issued first.
2007
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 3/37
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General Description
Approval Specification
Description
LTM170EU-L31 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 17.0" is 1280
x 1024 and this model can display up to 16.7 millions colors.
Features
RoHS compliance (Pb-free)
High contrast ratio, high aperture ratio, fast response time
TN(Twisted Nematic) mode
2 dual CCFTs(Cold Cathode Fluorescent Tube)
DE(Data Enable) mode
LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)
COMPACT SIZE DESIGN
TCO'03 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
Items Specification Unit Note
Pixel Pitch 0.264(H) x 0.264(W) mm
Active Display Area 337.92(H) x 270.336(V) mm
Surface Treatment Haze 25%, Hard-coating (3H)
Display Colors 16.7M(6 bit Hi-FRC) colors
Number of Pixels 1280 x 1024 pixel
Pixel Arrangement RGB vertical stripe
Display Mode Normally White
Power Consumption 21.9 Watt (Typ.)
Luminance of White 300(Typ.) cd/
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 4/37
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Approval Specification
Mechanical Information
Item Min. Typ. Max. Unit Note
Horizontal (H) 358.0 358.5 359.0 mm
Module
Vertical (V) 296.0 296.5 297.0 mm w/o inverter ass'y
size
Depth (D) - - 17.5 mm
Weight - - 2,000 g LCD module only
Note (1) Mechanical tolerance is 0.5mm unless there is a special comment.
1. Absolute Maximum Ratings
If the condition exceeds maximum ratings, it can cause malfunction or unrecoverable
damage to the device.
Item Symbol Min. Max. Unit Note
Power Supply Voltage VDD GND-0.5 6.5 V (1)
Data Signal Vsig - 5 V
Storage temperature TSTG -25 60 (2)
Center of Glass surface temperature
TOPR 0 50 (2)
(Operation)
Shock ( non - operating ) Snop - 50 G (3)
Vibration ( non - operating ) Vnop - 1.5 G (4)
Note (1) Ta= 25 2 C
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 5/37
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Approval Specification
(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
(39,90)
(50,50.4)
(60,27.7)
(-25,5)
Fig. Temperature and Relative humidity range
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 6/37
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2. Optical Characteristics Approval Specification
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : TOPCON RD-80S,SPECTRORADIOMETER SR-3
(Ta = 25 2 C, VDD=5V, fv= 60Hz, fDCLK=54MHz, IL = 6.5mArms)
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio (3)
C/R 600 1,000 -
(Center of screen) SR-3
Response (5)
On/Off Tr+Tf - 5 8 msec
Time RD-80S
Luminance of White (6)
YL 250 300 - cd/m2
(Center of screen) SR-3
Rx 0.620 0.650 0.680
Red
Ry 0.300 0.330 0.360
Gx 0.270 0.300 0.330
Green
Color Gy 0.570 0.600 0.630
Chromaticity
(CIE 1931) Bx Normal 0.120 0.150 0.180
Blue L,R=0
By U,D=0 0.050 0.080 0.110
Wx Viewing 0.283 0.313 0.343
White Angle
Wy 0.299 0.329 0.359 (7),(8)
Ru' - 0.459 - SR-3
Red
Rv' - 0.525 -
Gu' - 0.125 -
Green
Color
Gv' - 0.563 -
Chromaticity
(CIE 1976) Bu' - 0.164 -
Blue
Bv' - 0.197 -
Wu' - 0.198 -
White
Wv' - 0.468 -
C.G.L wHITE u'v' - 0.018 - (9)
* C.G.L : Color Grayscale Linearity (continue to the next page)
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 7/37
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Approval Specification
Item Symbol Condition Min. Typ. Max. Unit Note
Color Gamut - - 72 - %
Color Temperature - - 6,500 - K
L 70(80) 85(89) -
Hor.
Viewing R 70(80) 85(89) - (8)
CR 10(5) Degrees
Angle 70(80) 80(89) - SR-3
U
Ver.
D 70(80) 80(89) -
Brightness Uniformity (4)
Buni - - 25 %
(9 Points) SR-3
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
Photo detector
Photo detector Field
SR-3 1
Field
SR-3 : 50
RD-80S : 50
TFT - LCD Module
LCD Panel
The center of the screen
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 8/37
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Approval Specification
Note (2) Definition of test point
128 640 1152
Active Area
9 8 7 102
6 5 4 512
3 2 1
922
: Test Point
Note (3) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point of the panel
G max
CR
G min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
Note (4) Definition of 9 points brightness uniformity
( B max B min)
Buni 100 u
B max
Bmax : Maximum brightness
Bmin : Minimum brightness
Note (5) Definition of Response time : Sum of Tr, Tf
Display Data White(TFT off) Black(TFT on) White(TFT off)
Optical Instruments 100%
Response
90%
10%
0%
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 9/37
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Approval Specification
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 (CR 10, 5)
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 10/37
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Approval Specification
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 center of the screen.
c. Test method
-1st 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
'u' v' = (u' A - u' B) 2 + (v' A - v' B) 2
Where A, B : 2 gray levels found to have the largest color differences between them
i.e. get the largest u' and v' of each 6 pair of u' and v' and calculate the u'v'.
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 11/37
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3. Electrical Characteristics Approval Specification
3.1 TFT LCD Module
The connector for display data & timing signal should be connected.
Ta = 25 C
Item Symbol Min. Typ. Max. Unit Note
Voltage of Power Supply VDD 4.5 5.0 5.5 V (1)
Differential Input High - - +100 mV (2)
Voltage for LVDS
Receiver Threshold Low -100 - - mV
LVDS skew tSKEW -300 300 ps (3)
LVDS
Input Differential input
|VID| 200 600 mV (4)
Characteri voltage
stics Input voltage range
VIN 0 2.4 V (4)
(single-ended)
Common mode 0+ 2.4-
VCM 1.2 V (4)
voltage |VID|/2 |VID|/2
(a) Black - 850 - mA
Current of
Power (b) White IDD - 750 - mA (5),(6)
Supply
(c) Dot - 1000 1200 mA
Vsync Frequency fV 49 60 77 Hz
Hsync Frequency fH 56.7 64 82.08 kHz
Main Frequency fDCLK 40 54 69.28 MHz
Rush Current IRUSH - - 3.0 A (7)
Note (1) The ripple voltage should be controlled under 10% of VDD.
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 12/37
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Approval Specification
(2) Differential receiver voltage definitions and propagation delay and transition time test
circuit
a. All input pulses have frequency = 10MHz, tR or tF=1ns
b. CL includes all probe and fixture capacitance
Note a.
Note b.
(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 VDIFF= 0V VDIFF= 0V Differential
LVDS Data Differential
RX +/-
tSKEW
where tskew : skew between LVDS clock & LVDS data,
T : 1 period time of LVDS clock
cf) (-/+) of 300psec means LVDS data goes before or after LVDS clock.
(4) Definition of VID and VCM using single-end signals
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 13/37
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Approval Specification
(5) fV=60Hz, fDCLK = 54MHz, VDD = 5.0V, DC Current.
(6) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) Dot Pattern
(7) Measurement Conditions.
VDD
100%
90%
10%
GND
TRUSH=470
Rush Current IRUSH can be measured when TRUSH. is 470 .
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 14/37
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Approval Specification
3.2 Back Light Unit
The back light unit 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 2C
Item Symbol Min. Typ. Max. Unit Note
Lamp Current IL 3.0 6.5 7.0 mArms (1)
Lamp Voltage VL - 650 - Vrms
Lamp Frequency fL 40 - 60 kHz (2)
Operating Life Time Hr 50,000 - - Hour (3)
Asymmetry
Wasy - - 10 %
Inverter rate
(4)
waveform Distortion
Wdis 1.2726 1.414 1.5554
rate
0 : 1,650
Startup Voltage Vs - - Vrms (5)
25 : 1,450
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.
HOT(PINK)
COLD(WHITE) I1
HOT(BLUE) A
COLD(BLACK) I2
A INVERTER
LCD Module HOT(PINK)
(SI1700)
COLD(WHITE) I3
HOT(BLUE) A
COLD(BLACK) I4
A
Fig. Measurement point of Lamp Current
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 15/37
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Approval Specification
(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 IL = 6.5mArms
(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
Ip | Ip I - p|
u 100
Irms
Distortion rate
I-p
Ip I -p
| | or | |
Irms Irms
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.
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 16/37
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4. BLOCK DIAGRAM Approval Specification
4.1 TFT LCD Module
RSDS
Control signal Source Driver ICs
LVDS S1 S1280
pair #1
LVDS (Rx)
Control signal Column Driver Circuit
LVDS(Tx)
LVDS
pair #2
RSDS(Tx)
CN1
(30pin) TFT-LCD
(1280 x RGB x 1024 pixels)
Timing Controller
+5.0V
VDD Power
Circuit
4.2 Back Light Unit
1 HOT(PINK)
LAMP(CCFL)
2 COLD(WHITE)
LAMP(CCFL) 3 HOT(BLUE)
4 COLD(BLACK)
1 HOT(PINK)
LAMP(CCFL) COLD(WHITE)
2
3 HOT(BLUE)
LAMP(CCFL) COLD(BLACK)
4
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 17/37
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5. Input Terminal Pin Assignment Approval Specification
5.1. Input Signal & Power
( Connector : UJU IS100-L30O-C23 or Compatible)
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)
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 *SDA_D (
26 NC * SCL_D (
27 NC * WPn_D (For LCD internal use only. Do Not Connection)
28 VDD
29 VDD Power Supply : +5V
30 VDD
* If the system already uses the 25, 26, 27pins, it should keep under GND level
The voltage applied to those pins should not exceed -200mV.
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 18/37
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Approval Specification
Note) Pin number starts from Left side
PCB
Pin No. 1 Pin No. 30
#1 #30
( UJU IS100-L30O-C23 or Compatible )
#1 #30
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.
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 19/37
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Approval Specification
5.2 LVDS Interface
5.2.1 Odd Pixel Data (1st pixel data)
1st LVDS Transmitter ( DS90C383, DS90C385 ) Signal Interface
Device Input To LTM170EU
Device Input Signal
Pin Output Interface ( CN101 )
N Signal
Symbol Symbol Function Terminal Symbol
o
51 TXIN0 RO0 Red Odd Pixel Data (LSB)
52 TXIN1 RO1 Red Odd Pixel Data
TXOUT0- No. 1 RXO0-
54 TXIN2 RO2 Red Odd Pixel Data
TXOUT0+ No. 2 RXO0+
55 TXIN3 RO3 Red Odd Pixel Data
56 TXIN4 RO4 Red Odd Pixel Data
TXOUT3- No. 10 RXO3-
2 TXIN5 RO7 Red Odd Pixel Data (MSB)
TXOUT3+ No. 11 RXO3+
3 TXIN6 RO5 Red Odd Pixel Data TXOUT0- No. 1 RXO0-
4 TXIN7 GO0 Green Odd Pixel Data (LSB) TXOUT0+ No. 2 RXO0+
6 TXIN8 GO1 Green Odd Pixel Data TXOUT1- No. 3 RXO1-
7 TXIN9 GO2 Green Odd Pixel Data TXOUT1+ No. 4 RXO1+
8 TXIN10 GO6 Green Odd Pixel Data TXOUT3- No. 10 RXO3-
10 TXIN11 GO7 Green Odd Pixel Data (MSB) TXOUT3+ No. 11 RXO3+
11 TXIN12 GO3 Green Odd Pixel Data
12 TXIN13 GO4 Green Odd Pixel Data TXOUT1- No. 3 RXO1-
14 TXIN14 GO5 Green Odd Pixel Data TXOUT1+ No. 4 RXO1+
15 TXIN15 BO0 Blue Odd Pixel Data (LSB)
16 TXIN16 BO6 Blue Odd Pixel Data TXOUT3- No. 10 RXO3-
18 TXIN17 BO7 Blue Odd Pixel Data (MSB) TXOUT3+ No. 11 RXO3+
TXOUT1- No. 3 RXO1-
19 TXIN18 BO1 Blue Odd Pixel Data
TXOUT1+ No. 4 RXO1+
20 TXIN19 BO2 Blue Odd Pixel Data
22 TXIN20 BO3 Blue Odd Pixel Data TXOUT2- No. 5 RXO2-
23 TXIN21 BO4 Blue Odd Pixel Data TXOUT2+ No. 6 RXO2+
24 TXIN22 BO5 Blue Odd Pixel Data
TXOUT3- No. 10 RXO3-
50 TXIN27 RO6 Red Odd Pixel Data
TXOUT3+ No. 11 RXO3+
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 20/37
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Approval Specification
5.2.2 Even Pixel Data (2nd pixel data)
2nd LVDS Transmitter ( DS90C383, DS90C385 ) Signal Interface
To LTM170EU
Device Input Pin Device Input Signal Output Interface ( CN101 )
Signal
No Symbol Symbol Function Terminal Symbol
51 TXIN0 RE0 Red Even Pixel Data (LSB)
52 TXIN1 RE1 Red Even Pixel Data
TXOUT0- No. 12 RXE0-
54 TXIN2 RE2 Red Even Pixel Data
TXOUT0+ No. 13 RXE0+
55 TXIN3 RE3 Red Even Pixel Data
56 TXIN4 RE4 Red Even Pixel Data
TXOUT3- No. 22 RXE3-
2 TXIN5 RE7 Red Even Pixel Data (MSB)
TXOUT3+ No. 23 RXE3+
3 TXIN6 RE5 Red Even Pixel Data TXOUT0- No. 12 RXE0-
4 TXIN7 GE0 Green Even Pixel Data (LSB) TXOUT0+ No. 13 RXE0+
6 TXIN8 GE1 Green Even Pixel Data TXOUT1- No. 15 RXE1-
7 TXIN9 GE2 Green Even Pixel Data TXOUT1+ No. 16 RXE1+
8 TXIN10 GE6 Green Even Pixel Data TXOUT3- No. 22 RXE3-
10 TXIN11 GE7 Green Even Pixel Data (MSB) TXOUT3+ No. 23 RXE3+
11 TXIN12 GE3 Green Even Pixel Data
12 TXIN13 GE4 Green Even Pixel Data TXOUT1- No. 15 RXE1-
14 TXIN14 GE5 Green Even Pixel Data TXOUT1+ No. 16 RXE1+
15 TXIN15 BE0 Blue Even Pixel Data (LSB)
16 TXIN16 BE6 Blue Even Pixel Data TXOUT3- No. 22 RXE3-
18 TXIN17 BE7 Blue Even Pixel Data (MSB) TXOUT3+ No. 23 RXE3+
TXOUT1- No. 15 RXE1-
19 TXIN18 BE1 Blue Even Pixel Data
TXOUT1+ No. 16 RXE1+
20 TXIN19 BE2 Blue Even Pixel Data
22 TXIN20 BE3 Blue Even Pixel Data TXOUT2- No. 18 RXE2-
23 TXIN21 BE4 Blue Even Pixel Data TXOUT2+ No. 19 RXE2+
24 TXIN22 BE5 Blue Even Pixel Data
TXOUT3- No. 22 RXE3-
50 TXIN27 RE6 Red Even Pixel Data
TXOUT3+ No. 23 RXE3+
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 21/37
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Approval Specification
5.2.3 Timing Diagrams of LVDS For Transmitting
LVDS Receiver : Integrated T-CON
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 22/37
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Approval Specification
5.3 Back Light Unit
Pin No. Input Color Function
1 Hot1 Pink High Voltage
2 Cold1 White Ground
Upper
3 Hot2 Blue High Voltage
4 Cold2 Black Ground
1 Hot1 Pink High Voltage
2 Cold1 White Ground
Lower
3 Hot2 Blue High Voltage
4 Cold2 Black Ground
Connector
YEONHO 35001HS-02L
Part No.
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 23/37
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Approval Specification
5.4 Input Signals, Basic Display Colors and Gray Scale of Each Color
DATA SIGNAL
GRAY
COLO DISPLAY RED GREEN BLUE
SCALE
R (8bit)
G G G G G LEVEL
R0 R1 R2 R3 R4 R5 R6 R7 G0 G3 G6 B0 B1 B2 B3 B4 B5 B6 B7
1 2 4 5 7
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 -
BASIC
COLO 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 -
R
MAGENT
1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 -
A
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
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
DARK 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
GRAY
SCALE : : : : : : : : : : : : : : : : : : R3~
OF : : : : : : : : : : : : : : : : : : R252
RED
LIGHT 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R253
0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R254
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 R255
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
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
DARK 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
GRAY
SCALE : : : : : : : : : : : : : : : : : :
G3~
OF
: : : : : : : : : : : : : : : : : : G252
GREE
N
LIGHT 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G253
0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G254
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 G255
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
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
DARK 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
GRAY
SCALE : : : : : : : : : : : : : : : : : : B3~
OF : : : : : : : : : : : : : : : : : : B252
BLUE
LIGHT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 B253
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 B254
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 B255
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
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 24/37
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6. Interface Timing
6.1 Timing Parameters ( DE only mode )
SYMBO
SIGNAL ITEM MIN. TYP. MAX. Unit NOTE
L
Clock 1/TC 40 54 69.28 MHz -
Hsync Frequency FH 56.7 64 82.08 KHz -
Vsync FV 49 60 77 Hz -
Active
Display TVD - 1024 - lines -
Vertical Period
Display Term
Vertical
TVB 1031 1066 1250 lines -
Total
Active
Display THD 640 640 640 clocks
Horizontal Period
Display Term
Horizontal
TH 676 844 1130 clocks
Total
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
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 25/37
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6.2 Timing diagrams of interface signal ( DE only mode )
TV
TVD TVB
DE
TH
THD
DE
DCLK
TC
DATA
SIGNALS
TC
TCH TCL
DCLK 0.5
VCC
TDS TDH
DISPLAY 0.5
DATA
VCC
TES
DE 0.5
VCC
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 26/37
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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 : VDD rising time from 10% to 90%
T2 : The time from VDD to valid data at power ON.
T3 : The time from valid data off to VDD off at power Off.
T4 : VDD off 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.
MODEL LTM170EU-L31 Doc. No 07-S00-S-071017 Page 27/37
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Approval Specification
6.4 VDD Power Dip Condition
VDD Td
90%
80% VCC
GND
4.5V VDD 5.5V
If VDD(typ.) x 80% VCC VDD(typ) x 90%
Then, 0
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