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LTM270M1-L01
Specification
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SAMSUNG LTM270M1-L01 Specification

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ISSUED DATE : 2006-02-09
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PRODUCT INFORMATION
PRODUCT INFORMATION
SAMSUNG TFT--
SAMSUNG TFT
SAMSUNG TFT-LCD PRODUCT INFORMATION
MODEL : LTM270M1 --
MODEL : LTM270M1
LCD PRODUCT INFORMATION
LCD PRODUCT INFORMATION
L01
L01
Note : This is Product Information is subject to change after 3 months of issuing date.
LCD Application Engineering 2, TCS Team
Samsung Electronics Co . , LTD.
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Contents
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PRODUCT INFORMATION
PRODUCT INFORMATION
General Description --------------------------------------------------------------------------------- (3)
1. Absolute Maximum Ratings ------------------------------------------------------------------- (4)
2. Optical Characteristics --------------------------------------------------------------------------- (6)
3. Electrical Characteristics ---------------------------------------------------------------------- (12)
3.1 TFT LCD Module
3.2 Back Light Unit
4. Block Diagram ----------------------------------------------------------------------------------- (18)
4.1 TFT LCD Module
4.2 Back Light Unit
5. Input Terminal Pin Assignment -------------------------------------------------------------- (19)
5.1 Input Signal & Power
5.2 LVDS Interface(1)
5.3 LVDS Interface(2)
5.4 Back Light Unit
5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
6. Interface Timing --------------------------------------------------------------------------------- (29)
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 LVDS Input Characteristics
6.5 VDD Power Dip Condition
7. Outline Dimension ------------------------------------------------------------------------------- (33)
8. General Precaution ---------------------------------------------------------------------------- (36)
8.1 Handling
8.2 Storage
8.3 Operation
8.4 Others
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General Description
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Description
LTM270M1-L01 is a color active matrix liquid crystal display (LCD) that uses amorphous silicon TFT (Thin Film Transistor) as switching components. This model is composed of a TFT LCD panel, a driver circuit and a back light unit. The resolution of a 27.0” is 1,920 x 1,200 and this model can display up to 16.7 millions colors.
Features
High contrast ratio, high aperture structureS-PVA (Super Patterned Vertical Alignment) modeWide viewing angleHigh speed responseWUXGA (1920 x 1200 pixels) resolutionLow power consumptionDE (Data Enable) modeLVDS (Low Voltage differential Signaling) interface (2pixel/clock)RoHS compliancePb-free compliance
Applications
Workstation & desktop monitorsDisplay terminals for AV application productsMonitors for industrial machine
* If the module is used to other applications besides the above, please contact SEC
in advance.
General Information
Haze 25%, Hard coating 3HSurface Treatment
UnitSpecificationItems
mm0.303 x 0.303Pixel Pitch
mm581.76(H) x 363.6(V)Active Display Area
colors8 bit - 16.7MDisplay Colors
pixel1920 x 1200Number of Pixels
RGB vertical stripePixel Arrangement
Note
Normally BlackDisplay Mode
cd/༇500(Typ.)Luminance of White
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Mechanical Information
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Max.
-
mm615.8-Horizontal (H)
Module
-
mm397.6-Vertical (V)
size
-
-
Weight
(3,800)
Note (1) Mechanical tolerance is · 0.5mm unless there is a special comment.
1. Absolute Maximum Ratings
NoteUnitTyp.Min.Item
w/o inverter ass’y
w/ inverter ass’ymm(41.6)-Depth (D)
LCD module onlyg--
w/ Inverter assemblyg--
If the condition exceeds maximum ratings, it can cause malfunction or unrecoverable damage to the device.
NoteUnitMax.Min.SymbolItem
Power Supply Voltage
Data Signal
Storage temperature
Glass surface temperature
(Operation)
Shock ( non - operating )
Vibration ( non - operating )
Note (1) Ta= 25 · 2 ¶C
DD
sig
STG
OPR
nop
nop
60-25T
500T
V6.5GND-0.5V
V5-V
୅
୅
(1)
(2)G50-S
(3)G1.5-V
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(1) Temperature and relative humidity range are shown in the figure below.
a. 90 % RH Max. (Ta ˺ 39 ¶C) b. Maximum wet-bulb temperature at 39 C or less. (Ta ˺ 39 C) c. No condensation
(2) 11ms, sine wave, one time for ·X, ·Y, ·Z axis (3) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
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(39,90)
(39,90)
(39,90)
(39,90)
(50,50.4)
(50,50.4)
(50,50.4)
(50,50.4)
25,5)
25,5)
((--25,5)
((--25,5)
Fig. Temperature and Relative humidity range
(60,27.7)
(60,27.7)
(60,27.7)
(60,27.7)
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2. Optical Characteristics
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The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : TOPCON BM-7,SPECTRORADIOMETER SR-3
(Ta = 25 · 2¶C, VDD=5V, fv= 60Hz, fDCLK=77MHz, IL = 6.5mArms
NoteUnitMax.Typ.Min.ConditionSymbolItem
Contrast Ratio
(Center of screen)
Response
Time
G-To-G
Luminance of White
(Center of screen)
Green
Color
Chromaticity
(CIE 1931)
Blue
Red
C/R
G-G,AVG
L
Normal
=0
ɂ
L,R
=0
ɂ
U,D
Viewing
Angle
700
(2,000)
1,000
(3,000)
-
2016-Tr + TfOn/Off
-0.640-Rx
-0.330-Ry
-0.300-Gx
-0.608-Gy
-0.150-Bx
-0.060-By
msec
cd/m2-(500)(400)Y
(3)
SR-3
(5)
BM-7
BM-7msec-(6)-T
(6)
SR-3
-0.313-Wx
White
0.329-Wy
-0.451-Ru'
Red
-0.523-Rv'
-0.124-Gu'
Color
Chromaticity
(CIE 1976)
C.G.L
* C.G.L : Color Grayscale Linearity (continue to the next page)
Green
-0.564-Gv'
-0.175-Bu'
Blue
-0.158-Bv'
-0.198-Wu'
White
-0.468-Wv'
Ƹu'v'White
(7),(8)
SR-3
(9)0.020.011-
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PRODUCT INFORMATION
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NoteUnitMax.Typ.Min.ConditionSymbolItem
%-92--Color Gamut
K-6500--Color Temperature
ɂ
Hor.
Viewing
Angle
Ver.
Hor.
Viewing
Angle
Ver.
L
ɂ
R
ɂ
U
ɂ
D
ɂ
L
ɂ
R
ɂ
U
ɂ
D
Brightness Uniformity
(13 Points)
uni
Note (1) Test Equipment Setup
The measurement should be executed in a stable, windless and dark room between 30min after lighting the back light at the given temperature for stabilization of the back light. This should be measured in the center of screen.
Single lamp current : 6.5mA Environment condition : Ta = 25 · 2 ¶C
CR˻10
CR˻100
-8980
-8980 Degrees
-8980
(8)
SR-3
-8980
-75-
-75­Degrees
-65-
(8)
SR-3
-65-
%25--B
(4)
SR-3
SR-3
BM-7
FieldPhoto detector
1
°
2
°
TFT - LCD Module
Photo detector
Field
The center of the screen
SR-3 : 50 BM-7 : 50
LCD Panel
㎝
㎝
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Note (2) Definition of test point
Active Area
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192 576 960 1344 1728
13
1112
120
: Test Point
10
8
5 4
3 2 1
7
9
6
360
600
840
1080
Note (3) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point㽶 of the panel
G
CR
max
G
min
Gmax : Luminance with all pixels white Gmin : Luminance with all pixels black
* If the Dynamic C/R operating is applied t 270
Note (4) Definition of 9 points brightness uniformity (Full White pattern)
Buni
BB
u
100
(max min)
B
max
Bmax : Maximum brightness Bmin : Minimum brightness
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Note (5) Definition of Response time
a. On/Off response time : Sum of Tr, Tf
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Display Data
Optical
Black (TFT OFF) White (TFT ON) Black (TFT OFF)
100%
90%
Response
10%
0%
b. Gray to Gray Response Time
- Measuring gray : 31 Æ 63, 63 Æ95,95 Æ 127, 127 Æ 159, 159 Æ 191, 191 Æ 223 grays and vice versa
-T
G-G, avg
: Average response time of ones between above grays
T
R
T
F
Time
(Example)
Gray to Gray Response
White
100%
90%
10%
0%
Black
T
96 gray 128 gray95 gray 127 gray
r
T
f
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Note (6) Definition of Luminance of White : Luminance of white at center point㽶
Note (7) Definition of Color Chromaticity (CIE 1931, CIE1976)
Color coordinate of Red, Green, Blue & White at center point㽶
Note (8) Definition of Viewing Angle
: Viewing angle range (CR ı10, CR ı100)
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Note (9) Color Grayscale Linearity
a. Test image : 100% full white pattern with a test pattern as below
b. Test pattern : Squares, 40mm by 40mm in size, filled with 255, 225, 195, 165, 135 and
105 grays steps should be arranged at the centerྜྷ of the screen.
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c. Test method
st
gray step : move a square of 255 gray level should be moved into the center of
-1
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' - u' ) + (v' - v' )AB
Where A, B : 2 gray levels found to have the largest color differences between them
i.e. get the largest ȟu’ and ȟv’ of each 6 pair of u’ and v’ and calculate the ȟu’v’.
2
AB
2
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3. Electrical Characteristics
3.1 TFT LCD Module
The connector for display data & timing signal should be connected.(GND=0V)
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Ta = 25¶C
NoteUnitMax.Typ.Min.SymbolItem
Voltage of Power Supply
Differential Input
Voltage for LVDS
Receiver Threshold
LVDS skew
LVDS
Input
Differential input
voltage
Characteri
stics
Input voltage range
(single-ended)
Common mode
voltage
Input current
Current of
(a) Black
Power
Supply
Vsync Frequency
DD
SKEW
IN
V
CM
IN
I
DD
V
|V
0+
ID
|/2
1.2
2.4-
|V
±
(1)V5.55.04.5V
(2)mV+100--High
mV---100Low
(3)300-300t
(4)mV600200|VID|
(4)V2.40V
(4)V
|/2
ID
10I
㎂
mA-1,500-
mA-2,000-(b) White (5),(6)
mA(3,000)2,500-(c) Dot
Hz(63)60(57)f
Hsync Frequency
Main Frequency
Rush Current
H
DCLK
RUSH
Note (1) The ripple voltage should be controlled under 10% of VDD.
kHz78.57469f
MHz(81.0)77.0(72.0)f
(7)A(5.0)--I
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