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PRODUCT INFORMATION
ISSUED DATE : 2006-02-09
SAMSUNG TFT-LCD PRODUCT INFORMATION
SAMSUNG TFT-LCD PRODUCT INFORMATION
MODEL :: LTM270M1 - L01
MODEL LTM270M1 - 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 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 PRODUCT INFORMATION
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 structure
S-PVA (Super Patterned Vertical Alignment) mode
Wide viewing angle
High speed response
WUXGA (1920 x 1200 pixels) resolution
Low power consumption
DE (Data Enable) mode
LVDS (Low Voltage differential Signaling) interface (2pixel/clock)
RoHS compliance
Pb-free 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 0.303 x 0.303 mm
Active Display Area 581.76(H) x 363.6(V) mm
Surface Treatment Haze 25%, Hard coating 3H
Display Colors 8 bit - 16.7M colors
Number of Pixels 1920 x 1200 pixel
Pixel Arrangement RGB vertical stripe
Display Mode Normally Black
Luminance of White 500(Typ.) cd/
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PRODUCT INFORMATION
Mechanical Information
Item Min. Typ. Max. Unit Note
Horizontal (H) - 615.8 - mm
Module w/o inverter ass'y
Vertical (V) - 397.6 - mm
size
Depth (D) - (41.6) - mm w/ inverter ass'y
- - - g LCD module only
Weight
- - (3,800) g w/ Inverter assembly
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
Data Signal Vsig - 5 V
Storage temperature TSTG -25 60 (1)
Glass surface temperature
TOPR 0 50
(Operation)
Shock ( non - operating ) Snop - 50 G (2)
Vibration ( non - operating ) Vnop - 1.5 G (3)
Note (1) Ta= 25 2 C
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PRODUCT INFORMATION
(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
(39,90)
(50,50.4)
(60,27.7)
(-25,5)
Fig. Temperature and Relative humidity range
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2. Optical Characteristics PRODUCT INFORMATION
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
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio 700 1,000 (3)
C/R -
(Center of screen) (2,000) (3,000) SR-3
(5)
On/Off Tr + Tf - 16 20 msec
BM-7
Response
Time
G-To-G TG-G,AVG - (6) - msec BM-7
Luminance of White (6)
YL (400) (500) - cd/m2
(Center of screen) SR-3
Rx - 0.640 -
Red
Ry - 0.330 -
Gx Normal - 0.300 -
Green
L,R=0
Color Gy - 0.608 -
U,D=0
Chromaticity
Bx - 0.150 -
(CIE 1931) Viewing
Blue
By Angle - 0.060 -
Wx - 0.313 -
White
Wy - 0.329 (7),(8)
Ru' - 0.451 - SR-3
Red
Rv' - 0.523 -
Gu' - 0.124 -
Color Green
Chromaticity Gv' - 0.564 -
(CIE 1976) Bu' - 0.175 -
Blue
Bv' - 0.158 -
Wu' - 0.198 -
White
Wv' - 0.468 -
C.G.L White u'v' - 0.011 0.02 (9)
* C.G.L : Color Grayscale Linearity (continue to the next page)
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PRODUCT INFORMATION
Item Symbol Condition Min. Typ. Max. Unit Note
Color Gamut - - 92 - %
Color Temperature - - 6500 - K
L 80 89 -
Hor.
Viewing R 80 89 - (8)
CR 10 Degrees
Angle 80 89 - SR-3
U
Ver.
D 80 89 -
L - 75 -
Hor.
Viewing R - 75 - (8)
CR 100 Degrees
Angle - 65 - SR-3
U
Ver.
D - 65 -
Brightness Uniformity (4)
Buni - - 25 %
(13 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
BM-7 2
SR-3 : 50
BM-7 : 50
TFT - LCD Module
LCD Panel
The center of the screen
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PRODUCT INFORMATION
Note (2) Definition of test point
192 576 960 1344 1728
Active Area
13 12 11 120
10 9 360
8 7 6 600
5 4 840
: Test Point 3 2 1 1080
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
* If the Dynamic C/R operating is applied t 270
Note (4) Definition of 9 points brightness uniformity (Full White pattern)
( 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. On/Off response time : Sum of Tr, Tf
Display Data Black (TFT OFF) White (TFT ON) Black (TFT OFF)
TR TF
100%
90%
Optical
Response
10%
0%
Time
b. Gray to Gray Response Time
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