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PRODUCT INFORMATION
ISSUED DATE : 2010-12-15
SAMSUNG TFT-LCD PRODUCT INFORMATION
TFT-
MODEL : LTM185AT04
Note : This is Product Information is subject to change after 3 months of issuing date.
Application Engineering Part 3, TCS team
LCD Division, Samsung Electronics Co . , LTD.
MODEL LTM185AT04 Page 1/33
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PRODUCT INFORMATION
Contents
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 ----------------------------------------------------------------------------------- (15)
4.1
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 --------------------------------------------------------------------------------- (25)
6.1 Timing Parameters (
g (DE only mode)
y )
6.2 Timing Diagrams of interface Signal (DE only mode)
6.3 Power ON/OFF Sequence
6.4 LVDS Input Characteristics
6.5 VDD Power Dip Condition
7.
7 Outline Dimension ------------------------------------------------------------------------------- (29)
8. General Precaution ------------------------------------------------------------------------------ (31)
8.1 Handling
8.2 Storage
8.3 Operation
8.4 Operation Condition Guide
8.5 Others
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General Description PRODUCT INFORMATION
Description
LTM185AT04 product 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
18.5" is 1366 X 768 and this model can display up to 16.7 millions colors.
Features
High contrast ratio high aperture structure
ratio,
TN (Twisted Nematic) mode
Wide Viewing Angle
High speed response
HD (1366 x 768 pixels) resolution
Low power consumption
White LED Edge slim Backlight (1-side)
g g ( )
DE (Data Enable) only mode
LVDS (Low Voltage Differential Signaling) interface (1pixel/clock)
Compact Size Design
RoHS compliance
TCO'03 compliance
Applications
A li ti
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 0.300(H) x 0.300(W) mm
Active Display Area 409.8(H) 230 4(V)
409 8(H) x 230.4(V) mm
Surface Treatment Haze 25%, Hard-coating(3H)
Display Colors 16.7M ( 6bit Hi-FRC ) colors
Number of Pixels 1,366 x 768 pixel
Pixel Arrangement RGB vertical stripe
Display Mode Normally White
Luminance of White 250(Typ.) cd/
MODEL LTM185AT04 Page 3/33
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PRODUCT INFORMATION
Mechanical Information
Item Min.
Min T p
Typ. Max.
Ma Unit Note
Horizontal (H) 429.87 430.37 430.87 mm
-
Module Vertical (V) 254.1 254.6 255.1 mm
size
Partially (12.3)mm in the circuit area.
Depth (D) - - 12.3 mm
Refer to the page 30.
p g
Weight - - 1,600 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 5.5 V (1)
Storage temperature TSTG -25 60 (2)
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
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PRODUCT INFORMATION
(2) Temperature and relative humidity range are shown in the figure below.
a. 90 % RH Max. (Ta 39 C)
b M i t b lb t t
b. Maximum wet-bulb temperature at 39 C or l
t less. (T 39 C)
(Ta
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 LTM185AT04 Page 5/33
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2. Optical Characteristics PRODUCT INFORMATION
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : SR 3 RD 80S (TOPCON), EZ-Contrast (Eldim)
SR-3, RD-80S (TOPCON) EZ Contrast
(Ta = 25 2 C, VDD=5V, fv= 60Hz, fDCLK=72.33MHz, IL = 252mA )
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio (3)
C/R 600 1000 -
(Center of screen) SR-3
Response (5)
On/Off Tr+ Tf - 5 10 msec
Time RD-850S
Luminance of White (6)
YL 200 250 - cd/m2
(Center of screen) SR-3
Rx 0.639
Red
Ry 0.340
Gx 0.324
Green
Color Gy 0.622
Chromaticity -0.030
-0 030 +0 030
+0.030
(CIE 1931) Bx 0.155
Blue
By 0.042
Wx 0.313
White Normal
Wy 0.329 (7),(8)
L,R=0
U,D=0
0
Ru' 0.441 SR-3
Red
Rv' Viewing 0.527
Angle
Gu' 0.132
Color Green
Gv' 0.570
Chromaticity
-0.030 +0.030
(CIE 1976) Bu' 0.194
Blue
Bv' 0.118
Wu' 0.198
White
Wv' 0.468
CGL
C.G.L White
Whi u'v''
' - - 0 02
0.02 (9)
* C.G.L : Color Grayscale Linearity (continue to the next page)
MODEL LTM185AT04 Page 6/33
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PRODUCT INFORMATION
Item Symbol Condition Min. Typ. Max. Unit Note
Color Gamut - - 72 - %
Color Temperature - - 6500 - K
L 70 80 -
Hor.
70 80 - (8)
Viewing R
CR10 Degrees EZ-
Angle 70 80 -
U Contrast
Ver.
D 70 80 -
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.
LED current : 252mA (DC)
Environment condition : Ta = 25 2 C
Photodetector
Photodetector Field
SR-3 2 Field
SR-3 : 50
RD-80S : 50
TFT - LCD Module
LCD Panel
The center of the screen
MODEL LTM185AT04 Page 7/33
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PRODUCT INFORMATION
Note (2) Definition of test point
137 683 1229
Active Area
9 8 7 77
6 5 4 384
3 2 1
691
: 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
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PRODUCT INFORMATION
Note (5) Definition of Response time
a.
a On/Off response time : Sum of Tr Tf
Tr,
Display Data White(TFT off) Black(TFT on) White(TFT off)
Optical Instruments 100%
Response
90%
10%
0%
Note (6) Definition of Luminance of White : Luminance of white at center point
Note (7) Definition of Color Chromaticity (CIE 1931 CIE1976)
1931,
Color coordinate of Red, Green, Blue & White at center point
Note (8) Definition of Viewing Angle
: Viewing angle range (CR 10)
10)
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PRODUCT INFORMATION
Note (9) Color Grayscale Linearity
a.
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
- N t gray step : M
t i t th
Move a 225 gray square into the center and measure both
t d b th
luminance and coordinates, too.
d. Test evaluation
'u' v' = (u' A - u' B) 2 + (v' A - v' B) 2
'u v (u u (v v
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'.
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3. Electrical Characteristics PRODUCT INFORMATION
3.1 TFT LCD Module
The connector for display data & timing signal should be connected.
Ta
T = 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 - 550 - mA
Current of
Power (b) White IDD - 400 - mA (5),(6)
Supply
(c) Dot
( ) - 700 1,000
, mA
Vsync Frequency fV 47 60 75 Hz
Hsync Frequency fH 37.13 47.40 59.25 kHz
Main Frequency fDCLK 56.66 72.33 90.42 MHz
Rush Current IRUSH - - 3.0 A (7)
Note (1) The ripple voltage should be controlled under 10% of VDD.
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PRODUCT INFORMATION
(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
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.
)( ) p g
(4) Definition of VID and VCM using single-end signals
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PRODUCT INFORMATION
(5) fV=60Hz, fDCLK = 72.33MHz, VDD = 5.0V, DC Current.
(6) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) Dot Pattern
(7) Measurement Condition
VDD
100%
90%
10%
GND
TRUSH=470
Rush Current IRUSH can be measured when TRUSH. is 470 .
MODEL LTM185AT04 Page 13/33
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PRODUCT INFORMATION
3.2 Back Light Unit
3.2.1 The characteristics of LED bar
The back light unit is composed of WLED.
Ta=25 2C
Item Symbol Min. Typ. Max. Unit Note
LED Forward Current IF - 252 260 mA -
LED Array Voltage VP - 39.6 42 V -
Operating Life Time Hr 30,000 - - Hour (2)
Note (1) The above specification is not for the converter output, but for the LED bar.
The LED bar consists of (48) LED packages ; (4) parallel X (12) serial
(2) Life time(Hr) is defined as the time when brightness of a LED package itself
becomes 50% or less than its original value at the condition of Ta=25 2 C
and IF =252mA
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4. BLOCK DIAGRAM PRODUCT INFORMATION
4.1 TFT LCD Module
RSDS
Control signal Source Driver ICs
LVDS S1 S1366
pair #1 Control signal
LVDS (Rx
RSDS(Tx) Column Driver Circuit
x)
CN1
(30pin) TFT-LCD
(1366 x RGB x 768 pixels)
Timing Controller
+5.0V Power
VDD
Circuit
4.2
4 2 Back Light Unit
Connector: Yeonho 12507WR-06L or equivalent
LED Return
n
LED Power
r
signal
LED Power
LED bar 6-pin connector
LED Return
signal
For detail connector information, please refer to page 23.
MODEL LTM185AT04 Page 15/33
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PRODUCT INFORMATION
5. Input Terminal Pin Assignment
5.1. Input Signal & Power ( Connector : P-TWO 196308-30041 or equivalent )
PIN NO SYMBOL FUNCTION
1 CTL No Connection (for DVR : CTL)
2 CE No Connection (for DVR : CE)
3 NC No Connection
4 GND Power Ground
5 RXIN0- Negative LVDS Differential Data Input (0)
6 RXIN0+ Positive LVDS Differential Data Input (0)
7 GND Power Ground
8 RXIN1- Negative LVDS Differential Data Input (1)
9 RXIN1+ Positive LVDS Differential Data Input (1)
10 GND Power Ground
11 RXIN2- Negative LVDS Differential Data Input (2)
12 RXIN2+ Positive LVDS Differential Data Input (2)
13 GND Power Ground
14 RXCLKIN- Negative LVDS Differential Clock Input (Clock)
15 RXCLKIN+ Positive LVDS Differential Clock Input (Clock)
16 GND Power Ground
17 RXIN3- Negative LVDS Differential Data Input (3)
18 RXIN3+ Positive LVDS Differential Data Input (3)
19 GND Power Ground
20 NC No Connection
21 NC No Connection
22 NC No Connection
23 GND Power Ground
24 GND Power Ground
25 GND Power Ground
26 VCC
27 VCC
28 VCC Power Supply : +5V
29 VCC
30 VCC
* If the system already uses the 1, 2pins, it should keep under GND level
The voltage applied to those pins should not exceed -200mV.
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PRODUCT INFORMATION
Note) Pin number starts from Left side
PCB
Pin No. 1 Pin No. 30
#1 #30
#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 LTM185AT04 Page 17/33
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PRODUCT INFORMATION
5.2 LVDS Interface
5.2.1 Odd Pixel Data (1st pixel data)
Transmitter ( DS90C383 DS90C385 ) Si
1 LVDS T
1st i DS90C383, Signal I
l Interface
f
To LTM185AT04
Device Input Pin Device Input Signal Output Interface ( TBD )
Signal
No Symbol Symbol Function Terminal Symbol
51 TXIN0 RO0 Red Odd Pixel Data (LSB)
52 TXIN1 RO1 Red
R d Odd Pi l D
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+
TXOUT3 No.
N 11 RXO3+
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.
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+
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PRODUCT INFORMATION
5.2.2 Even Pixel Data (2nd pixel data)
2nd LVDS Transmitter ( DS90C383, DS90C385 ) Signal Interface
To
T LTM185AT04
Device Input Pin Device Input Signal Output Interface ( TBD )
Signal
No Symbol Symbol Function Terminal Symbol
51 TXIN0 RE0 Red Even Pixel Data (LSB)
52 TXIN1 RE1 Red Even Pixel Data
TXOUT0-
TXOUT0 No.
No 12 RXE0-
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 G E
Green Even Pixel Data
Pi l D t 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
TXOUT1+ No. 16 RXE1
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 LTM185AT04 Page 19/33
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PRODUCT INFORMATION
5.3 LVDS Interface(2)
5.3.1 Odd Pixel Data (1st pixel data)
LVDS Transmitter ( DS90C387 ) Signal Interface
To LTM185AT04
Device Input Pin Device Input Signal Output Interface ( TBD )
Signal
No Symbol Symbol Function Terminal Symbol
10 R10 RO0 Red Odd Pixel Data (LSB)
9 R11 RO1 Red Odd Pixel Data
A0M No. 1 RXO0-
8 R12 RO2 Red Odd Pixel Data
A0P No. 2 RXO0+
7 R13 RO3 Red Odd Pixel Data
6 R14 RO4 Red Odd Pixel Data
A3M No. 10 RXO3-
3 R17 RO7 Red Odd Pixel Data (MSB)
A3P No.
No 11 RXO3+
5 R15 RO5 Red Odd Pixel Data A0M No. 1 RXO0-
2 G10 GO0 Green Odd Pixel Data (LSB) A0P No. 2 RXO0+
1 G11 GO1 Green Odd Pixel Data A1M No. 3 RXO1-
100 G12 GO2 Green Odd Pixel Data A1P No. 4 RXO1+
94 G16 GO6 Green Odd Pixel Data A3M No. 10 RXO3-
93 G17 GO7 Green Odd Pixel Data (MSB) A3P No. 11 RXO3+
99 G13 GO3 Green Odd Pixel Data
96 G14 GO4 Green Odd Pixel Data A1M No. 3 RXO1-
95 G15 GO5 Green Odd Pixel Data A1P No. 4 RXO1+
92 B10 BO0 Blue Odd Pixel Data (LSB)
86 B16 BO6 Blue Odd Pixel Data A3M No. 10 RXO3-
85 B17 BO7 Blue Odd Pixel Data (MSB) A3P No. 11 RXO3+
A1M No. 3 RXO1-
91 B11 BO1 Blue Odd Pixel Data
A1P No. 4 RXO1+
90 B12 BO2 Blue Odd Pixel Data
89 B13 BO3 Blue Odd Pixel Data A2M No. 5 RXO2-
88 B14 BO4 Blue Odd Pixel Data A2P No. 6 RXO2+
87 B15 BO5 Blue Odd Pixel Data
A3M No.
No 10 RXO3
RXO3-
4 R16 RO6 Red Odd Pixel Data
A3P No. 11 RXO3+
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PRODUCT INFORMATION
5.3.2 Even Pixel Data (2nd pixel data)
LVDS Transmitter ( DS90C387 ) S g a Interface
S a s e S90C38 Signal e ace
To LTM185AT04
Device Input Pin Device Input Signal Output Interface ( TBD )
Signal
No Symbol Symbol Function Terminal Symbol
84 R20 RE0 Red Even Pixel Data (LSB)
81 R21 RE1 Red Even Pixel Data
A4M No. 12 RXE0-
80 R22 RE2 Red Even Pixel Data
A4P No. 13 RXE0+
79 R23 RE3 Red Even Pixel Data
78 R24 RE4 Red Even Pixel Data
A7M No. 22 RXE3-
75 R27 RE7 Red Even Pixel Data (MSB)
A7P No.
No 23 RXE3+
77 R25 RE5 Red Even Pixel Data A4M No. 12 RXE0-
74 G20 GE0 Green Even Pixel Data (LSB) A4P No. 13 RXE0+
73 G21 GE1 Green Even Pixel Data A5M No. 15 RXE1-
72 G22 GE2 Green Even Pixel Data A5P No. 16 RXE1+
66 G26 GE6 Green Even Pixel Data A7M No. 22 RXE3-
65 G27 GE7 Green Even Pixel Data (MSB) A7P No. 23 RXE3+
71 G23 GE3 Green Even Pixel Data
70 G24 GE4 Green Even Pixel Data A5M No. 15 RXE1-
69 G25 GE5 Green Even Pixel Data A5P No. 16 RXE1+
64 B20 BE0 Blue Even Pixel Data (LSB)
58 B26 BE6 Blue Even Pixel Data A7M No. 22 RXE3-
57 B27 BE7 Blue Even Pixel Data (MSB) A7P No. 23 RXE3+
A5M No. 15 RXE1-
63 B21 BE1 Blue Even Pixel Data
A5P No. 16 RXE1+
62 B22 BE2 Blue Even Pixel Data
61 B23 BE3 Blue Even Pixel Data A6M No. 18 RXE2-
60 B24 BE4 Blue Even Pixel Data A6P No. 19 RXE2+
59 B25 BE5 Blue Even Pixel Data
A7M No. 22 RXE3
RXE3-
76 R26 RE6 Red Even Pi l D t
R dE Pixel Data
A7P No. 23 RXE3+
MODEL LTM185AT04 Page 21/33
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PRODUCT INFORMATION
5.3.3 Timing Diagrams of LVDS For Transmitting
LVDS Receiver : Integrated T-CON
g
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PRODUCT INFORMATION
5.4 Back Light Unit
LED Bar input connector : Yeonho 12507WR-06L (6pin) or equivalent
Pin No. Pin description Function
1 RTN 1 LED Bar return signal
2 RTN 2 g
LED Bar return signal
3 Vin LED power input
4 Vin LED power input
5 RTN 3 LED Bar return signal
6 RTN 4 LED Bar return signal
Note ) Pin number starts from Left side
Rear view of panel
#1 #6
Connector
Fig. Connector diagram
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PRODUCT INFORMATION
5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
DATA SIGNAL
RED GREEN BLUE GRAY
DISPLAY
COLOR SCALE
(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
COLOR 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 -
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
C 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
GREEN
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
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PRODUCT INFORMATION
6. Interface Timing
6.1 Timing Parameters ( DE only mode )
SIGNAL ITEM SYMBOL MIN. TYP. MAX. Unit NOTE
Clock 1/TC 56.66 72.33 90.42 MHz -
Hsync Frequency FH 37.13 47.4 59.25 KHz -
Vsync FV 47 60 75 Hz -
Active
Display TVD 768 768 768 Lines -
Vertical Period
Display Term
Vertical
TVB 776 790 948 lines -
Total
Active
Display THD 1366 1366 1366 Clocks -
Horizontal Period
Display Term
Horizontal
TH 1430 1526 1830 Clocks -
Total
Note (1) Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
(2) Internal Vcc = 5.0V
(3) While operation, DE signal should be have the same cycle.
(4) Main frequency Max is 90.42MHz without spread spectrum.
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PRODUCT INFORMATION
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
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PRODUCT INFORMATION
6.3 Power ON/OFF Sequence
To prevent a latch-up or DC operation of the LCD Module the power on/off sequence
Module,
should be as the diagram below.
300 T110msec
0T250msec
0T350msec
1secT4
Back-Light
(Recommended)
500msecT5
100msecT6
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.
p
Interface signal should not be kept at high impedance when the power is on.
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PRODUCT INFORMATION
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
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% Vcc typ VDD x 90%, then Td should be less than 20ms.
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7. Outline Dimension PRODUCT INFORMATION
[ Refer to the next page ]
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8. General Precautions PRODUCT INFORMATION
8.1 Handling
(a) When the module is assembled it should be at
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