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Product Information
SAMSUNG TFT-LCD
MODEL NO.:LTM150XO-L21
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Contents
General Description -------------------------- (4)
1. Absolute Maximum Ratings -------------------------- (5)
1.1 Absolute ratings of environment
1.2 Electrical Absolute Ratings
2. Optical Characteristics -------------------------- (6)
3. Electrical Characteristics -------------------------- (10)
3.1 TFT LCD Module
3.2 Back-light Unit
4. Block Diagram -------------------------- (13)
4.1 TFT LCD Module
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4.2 Back-light Unit
5. Input Terminal Pin Assignment -------------------------- (14)
5.1 Input Signal & Power
5.2 LVDS Interface
5.3 Back-light Unit
5.4 Pixel Format
5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
6. Interface Timing -------------------------- (18)
6.1 Timing Parameters (DE only mode)
6.2 Timing Diagrams of Interface Signal (DE only mode)
6.3 Power ON/OFF Sequence
7. Outline Dimension -------------------------- (21)
8 General Precaution -------------------------- (23)
8.1 Handling
8.2 Storage
8.3 Operation
8.4 Others
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General Description
* Description
LTM150XO-L01 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 15.0" contains
1024 x 768 pixels and can display up to 16.2 millions colors.
* Features
- High contrast ratio, high aperture structure
- TN (Twisted Nematic) mode
- Wide viewing angle
- High speed response
- XGA (1024 x 768 pixels) resolution
- Low power consumption
- 2 CCFTs (Cold Cathode Fluorescent Tube)
- DE (Data Enable) mode
- LVDS (Low Voltage Differential Signaling) interface (1pixel/clock)
- Compact Size Design
- Pb-free configuration
- RoHS compliance
* Applications
Desktop monitors
Display terminals for AV application products
Monitors for industrial machine
* General information
Items Specification Unit Note
Display area 304.128(H) x 228.096(V) mm
Driver element a-Si TFT active matrix
Display colors 16.2M colors
Number of pixels 1024 x 768 pixel
Pixel arrangement RGB vertical stripe
Pixel pitch 0.297(H) x 0.297(W) mm
Display mode Normally White
Surface treatment Haze 25%, Hard-coating (3H)
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* Mechanical information
Item Min. Typ. Max. Note
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Module
Horizontal(H) 326.0 326.5 327.0 mm
size
Vertical(V) 253.0 253.5 254.0 mm
Depth(D) - - 12.0 mm
Weight - - 1,050 g
1. Absolute Maximum Ratings
1.1 Absolute ratings of environment
Item Symbol Min. Max. Unit Note
Storage temperature T
Operating temperature
(Glass surface temperature)
Shock ( non - operating ) Snop - 50 G (2),(4)
Vibration ( non - operating ) Vnop - 1.5 G (3),(4)
STG
T
OPR
-25 60
050
(1)
(1)
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)
Item Symbol Min. Max. Unit Note
Power Supply Voltage V
DD
Vss-0.3 4.0 V (1)
Note (1) Within Ta ( 25 ± 2 °C)
(2) BACK-LIGHT UNIT
Ta = 25 ± 2°C)
(
Item Symbol Min. Max. Unit. Note
Lamp Current I
Lamp Frequency f
L
L
3.0 9.0 mArms (1),(2)
40 80 kHz (1)
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).
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2. Optical Characteristics
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. : 50 kHz) * Ta = 25 ± 2°C, VDD=3.3V, fv= 60Hz, f
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio
C/R
500 700 -
(Center of screen)
Response
Time
Rising Tr - 2 4
Falling Tf - 6 10
Luminance of White
(Center of screen)
Red
Y
L
Rx 0.600 0.630 0.660
Normal
=0
I
=0
T
200 250 - cd/m2
Ry 0.300 0.330 0.360
Viewing
Angle
Color
Gx 0.270 0.300 0.330
Green
Gy 0.550 0.580 0.610
Chromaticity
(CIE 1931)
Blue
Bx 0.120 0.150 0.180
By 0.060 0.090 0.120
=65MHz, IL=8.0mA
DCLK
BM-5A
msec
BM-5A
rms
(3)
(5)
BM-7
(6)
(7)
PR650
White
Hor.
Viewing
Angle
Ver.
Brightness Uniformity
(9 Points)
Wx 0.283 0.313 0.343
Wy 0.299 0.329 0.359
L
T
R6575-
T
CRt10
H5060-
I
L6575-
I
65 75 -
Degrees
Buni - - 25 %
(8)
BM-5A
(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 : 8.0mA (Refer to the note(1) in the page 13 for more information.)
Environment condition : Ta = 25 ± 2 °C
Photodetector Field
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Photodetector
BM-5A 2°
BM-7 2°
PR650 1°
TFT - LCD Module
Note (2) Definition of test point
Field
BM-5A : 40
BM-7 : 50
PR650 : 50
LCD Panel
The center of the screen
Optical Measuring Equipment Setup
㎝
㎝
㎝
128
128
512 896
512 896
789
778899
778899
77889999
456
445566
445566
445566
2 13
22 1133
22 1133
22 1133
: test point
:
: test point
:
: test point
: test point
: test point
VIEW AREA
VIEW AREA
VIEW AREA
VIEW AREA
96
96
384
384
670
670
(lines)
(
(lines)
(
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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
CR
G
min
max
G
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
Note (4) Definition of 9 points brightness uniformity
Buni
BB
(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
Response
100%
90%
WHITE(data off)
T
R
BLACK(data on)
WHITE(data off)
T
F
10%
0%
Note (6) Definition of Luminance of White : Luminance of white at center pointྜྷ.
Note (7) Definition of Color Chromaticity (CIE 1931)
Color coordinate of Red, Green, Blue & White at center point
ྜྷ
.
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Note (8) Definition of Viewing Angle : Viewing angle range (CR˻10 )
Normal Line
I = 0
o
,
T = 0
o
T L
T R
I L
=90
L
o
x
T
I H
12 O’clock
y
direction
= 90
o
I
H
6 O’clock
direction
= 90
L
o
I
x’y’
=90
R
o
T
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3. Electrical Characteristics
3.1 TFT LCD MODULE
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Ta = 25
ITEM SYMBOL MIN. TYP. MAX. UNIT NOTE
Power Supply Voltage V
Differential Input
Threshold Voltage
V
V
CC
H
L
3.0 3.3 3.6 V (1)
- - +100 mV
-100 - - mV
V
=1.2V
(a) White - 600 - mA
Power
(2),(3)(b) Black - 650 - mA
Consumption
(c) Dot - 700 800 mA
Vsync Frequency f
Main Frequency f
Rush Current I
DCLK
RUSH
V
H
55 60 77 Hz
47.6 48.4 62 KHz
50 65 80 MHz
- - 3.0 A (5)
Note (1) The connector for display data & timing signal should be connected.(Vss=0V)
(2) f
= 60Hz, f
V
DCLK
= 65MHz, V
= 3.3V, DC Current.
DD
°
C
CM
-Hsync Frequency f
(3) Power dissipation check pattern(LCD Module only)
a) Black Pattern b) White Pattern
c) Dot Pattern
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(4) Measurement Conditions
3.3V
5V
R1
47K
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M1
2SK1059
FUSE
VDD ( LCD INPUT)
C1
1uF
R3
47K
R2
1K
M2
2SK1399
C2
10000pF
CONTROL SIGNAL
(HIGH to LOW)
14V
12V
C3
1uF
Control Signal : High(+3.3V)˧Low(Ground)
All Signal lines to panel, except for power 3.3V : Ground
The rising time of supplied voltage is controlled to 470us by R3 and C2 value.
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3.2 BACK-LIGHT UNIT
The back-light system is an edge - lighting type with 2 CCFTs ( Cold Cathode
Fluorescent Tube ) The characteristics of two lamps are shown in the following tables.
Item Symbol Min. Typ. Max. Unit Note
Ta=25 ± 2°C
Lamp Current I
Lamp Voltage V
Lamp Frequency f
L
L
L
3.0 8.0 9.0 mArms (1)
- 560 - Vrms
40 - 60 kHz (2)
Operating Life Time Hr 50,000 - - Hour (3)
25
Startup Voltage Vs - -
:1,450
:1,680
0
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
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.
Vrms (4)
Specified values are for a single lamp.
HOT(PINK)
LCD Module
(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) 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 it's original value. Operating condition is lamp unit itself, not module assembly at
operating current 8.0mA.
(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
COLD(WHITE)
HOT(BLUE)
COLD(BLACK)
A
= 8.0mArms for a lamp until the brightness becomes 50%
L
Inverter
(SK1540)
assembling or disassembling.
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4. Block Diagram
4.1 TFT LCD MODULE
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Input
Connector
(20P)
DC/DC
Converter
L-TCON
(LVDS &
Timing
Controller)
Vcom
Generator
Gamma
Generator
Source Drive IC (x8ea)
Source Drove IC(x5ea)
(RSDS)
(RSDS)
TFT-LCD PANEL
Viedo Data
Control Signal
Gamma
Vcom
DVdd
AVdd
Von/Voff
4.2 BACK-LIGHT UNIT
LAMP
LAMP
Connector : JST BHR-03VS-1(Module-side)
(CCFL)
(CCFL)
1
3
1
3
HOT(PINK)
COLD(WHITE)
HOT(BLUE)
COLD(BLACK)
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5. Input Terminal Pin Assignment
5.1. Input Signal & Power ( Connector : Hirose DF14H-20P-1.25H or Equivalent)
Pin No. Symbol Function Remark
1 VDD Power Supply 3.3V
2 VDD Power Supply 3.3V
3 GND Ground
4 GND Ground
5 OD-RX0- ODD Receiver Signal(-)
6 OD-RX0+ ODD Receiver Signal(+)
7 GND Ground
8 OD-RX1- ODD Receiver Signal(-)
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9 OD-RX1+ ODD Receiver Signal(+)
10 GND Ground
11 OD-RX2- ODD Receiver Signal(-)
12 OD-RX2+ ODD Receiver Signal(+)
13 GND Ground
14 OD-RXCLK- ODD Receiver Clock Signal(-)
15 OD-RXCLK+ ODD Receiver Clock Signal(+)
16 GND Ground
17 OD-RX3- ODD Receiver Signal(-)
18 OD-RX3+ ODD Receiver Signal(+)
19 *CE For LCD internal use only. Do not Connect.
20 *CTL For LCD internal use only. Do not Connect.
Note ) * If the system already uses the 19 , 20pins, it should keep under GND level.
The Voltage applied to those pins should not exceed -200mV.
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5.2 LVDS Interface
Host System
24-bit
RED0
RED1
RED2
RED3
RED4
RED5
RED6
RED7
GREEN0
GREEN1
GREEN2
GREEN3
GREEN4
GREEN5
GREEN6
GREEN7
BLUE0
BLUE1
BLUE2
BLUE3
BLUE4
BLUE5
BLUE6
BLUE7
Hsync
Vsync
Enable
CLOCK
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DS90C385
THC63LVDM83A
51
52
54
55
56
3
50
2
4
6
7
11
12
14
8
10
15
19
20
22
23
24
16
18
27
28
30
31
TxOUT0-
TxOUT0+
TxOUT1-
TxOUT1+
TxOUT2-
TxOUT2+
TxCLKOUT-
TxCLKOUT+
TxOUT3-
TxOUT3+
DF14H-20P-1.25H
DF14A-20P-1.25H
48
48
47
47
46
46
45
45
42
42
41
41
40
40
39
39
38
37
11
12
14
15
17
18
5
100:
6
8
100:
9
100:
100:
100:
9
10
11
12
15
16
17
18
19
20
RxIN0-
RxIN0+
RxIN1-
RxIN1+
RxIN2-
RxIN2+
RxCLKIN-
RxCLKIN+
RxIN3-
RxIN3+
Note : The LCD Module uses a 100ohm resistor between positive and negative lines of each
receiver input.
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5.3 Back-Light Unit
Pin No. Input [ch1] Color Function
1 Hot1 Pink(U), Blue(D) High Voltage
2 NC - No connection
3 Cold1 White(U), Black(D) Ground
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Connector
Part No.
5.4 Pixel Format
DATA1 DATA2
DATA1 DATA2
RGB RGB
Line 1
Line 1
RGBRGB RGBRGB
JST BHR-03VS-1 (Module side socket) or equivalent
RGB RGB
RGBRGB RGBRGB
LTM150XO-L01 Panel
LTM150XH - L01 Panel
LTM150XH - L01 Panel
DATA1024
DATA1024
RGB RGB RGB RGB
Line768
Line768
RGBRGB RGBRGB RGBRGB RGBRGB
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5.5 Input Signals, Basic Display Colors and Gray Scale of Each Colors
COLOR
BASIC
COLOR
GRAY
SCALE
OF
RED
GRAY
SCALE
OF
GREEN
GRAY
SCALE
OF
BLUE
DISPLAY
(8bit)
BLACK 000000000000000000000000 -
BLUE 000000000000000011111111 -
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 000000001111111111111111 -
RED 111111110000000000000000 -
MAGENTA111111110000000011111111 -
YELLOW 111111111111111100000000 -
WHITE 111111111111111111111111 -
BLACK 000000000000000000000000 R0
DARK
LIGHT
RED 111111110000000000000000 R252
BLACK 000000000000000000000000 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 000000000000000000000000 B0
DARK
LIGHT
BLUE 000000000000000011111111 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
100000000000000000000000 R1
↑
↓
↑
↓
↑
↓
010000000000000000000000 R2
:::::: :::::: ::::::
:::::: :::::: ::::::
101111110000000000000000 R252
011111110000000000000000 R252
000000001000000000000000 G1
000000000100000000000000 G2
:::::: :::::: ::::::
:::::: :::::: ::::::
000000001011111100000000 G252
000000000111111100000000 G252
000000000000000010000000 B1
000000000000000001000000 B2
:::::: :::::: ::::::
:::::: :::::: ::::::
000000000000000010111111 B252
000000000000000001111111 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
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Frequency 1/T
Clock
High Time T
Low Time T
Setup Time T
Data
Hold Time T
Data Enable Setup Time T
Frame Frequency Cycle Tv
Vertical Active
Display Period T
Display Term
One Line
Cycle T
Scanning Time
Horizontal Active
Display Period T
Display Term
CH
CL
DS
DH
ES
VD
H
HD
C
50 65 80 MHz
2- -nsec
2- -nsec
4- -nsec
4- -nsec
2- -nsec
- 16.7 12.9 msec
772 806 870 lines
768 768 768 lines
1244 1344 1494 clocks
1024 1024 1024 clocks
Note (1) Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
(2) Internal Vcc = 3.3V
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6.2 Timing diagrams of interface signal ( DE only mode )
T
V
T
VD
DE
D
CLK
T
H
DE
DATA
SIGNALS
T
C
D
CLK
DISPLAY
DATA
T
HD
T
C
T
CH
T
CL
2.6 V
50 %
0.6 V
T
DS
T
DH
2.6 V
0.6 V
T
ES
2.6 V
DE
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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
300
300
0
0
0
0
Back-light(Recommended)
Back-light(Recommended)
1
T
T1˺
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
Power On
Power On
DD
DD
DD
DD
0.9 V
0.9 V
DD
DD
0.1 V
0.1 V
1
1
T
T
2
2
T
T
VALID
VALID
50% 50%
50% 50%
3
3
T
T
Power Off
Power Off
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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7. Outline Dimension
[ Refer to the next page ]
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8. General Precautions
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 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.
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(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 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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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"
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㷄
(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 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.
(e) This module has its circuitry PCB's on the rear side and should be handled
carefully in order not to be stressed.
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