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Product Information
ISSUED DATE : 29/June/2006
SAMSUNG TFT-LCD
SAMSUNG TFT-LCD
MODEL : LTB190E2-L01
MODEL : LTB190E2-L01
Note : This is Product Information is subject to change after 3 months of issuing date.
Development Team II, LCD Business
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 ------------------------------------------------------------------------(11)
3.1 TFT LCD Module
3.2 Back Light Unit
4. Block Diagram ----------------------------------------------------------------------------------- (16)
4.1 TFT LCD Module
4.2 Back Light Unit
5. Input Terminal Pin Assignment -------------------------------------------------------------- (17)
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 --------------------------------------------------------------------------------- (26)
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 ------------------------------------------------------------------------------- (30)
8. Reliability Test ----------------------------------------------------------------------------------------------- (32)
9. Packing -------------------------------------------------------------------------------------------- (33)
10. Marking & Others ------------------------------------------------------------------------------- (34)
11. General Precaution ---------------------------------------------------------------------------- (36)
11.1 Handling
11.2 Storage
11.3 Operation
11.4 Operation Condition Guide
11.5 Others
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General Description Product Information
Description
LTB190E2-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 19.0" 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
PVA( Patterned Vertical Alignment) 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 0.294(H) x 0.294(W) mm
Active Display Area 376.32(H) x 301.056(V) mm
Surface Treatment Haze 44% , Hard-coating (3H)
Display Colors 16.7M colors
Number of Pixels 1280 x 1024 pixel
Pixel Arrangement RGB vertical stripe
Display Mode Normally Black
Luminance of White 250(Typ.) cd/
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Product Information
Mechanical Information
Item Min. Typ. Max. Unit Note
Horizontal (H) 388.1 388.6 389.1 mm
Module w/o inverter ass'y
Vertical (V) 320.0 320.5 321.0 mm
size
Depth (D) - - 15.2 mm
- - 2,350 g LCD module only
Weight
- - - 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 (1)
Data Signal Vsig - 5 V
Storage temperature TSTG -20 65 (2)
Glass surface
temperature Center TOPR 0 50 (2),(5)
(Operation)
Shock ( non - operating ) Snop - 50 G (3),(5)
Vibration ( non - operating ) Vnop - 1.5 G (4),(5)
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. 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
(5) 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.
(39 C, 90%)
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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)
(Ta = 25 2 C, VDD=5V, fv= 60Hz, fDCLK=54MHz, IL = 5.5mArms)
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio (3)
C/R 1000 1500 -
(Center of screen) SR-3
Response Tr - 15 20 (5)
msec
Time (On-Off) Tf - 10 15 RD-80S
Luminance of White (6)
YL 220 250 - cd/m2
(Center of screen) SR-3
Rx 0.610 0.640 0.670
Red
Ry 0.300 0.330 0.360
Gx Normal 0.270 0.300 0.330
Green
L,R=0
Gy 0.570 0.600 0.630
U,D=0
Color
Chromaticity
Bx 0.120 0.150 0.180
(CIE 1931) Blue Viewing
By Angle 0.030 0.060 0.090
Wx 0.283 0.313 0.343
White
Wy 0.299 0.329 0.359 (7),(8)
Ru' - 0.451 - SR-3
Red
Rv' - 0.523 -
Gu' - 0.125 -
Color Green
Gv' - 0.563 -
Chromaticity
(CIE 1976) Bu' - 0.175 -
Blue
Bv' - 0.158 -
Wu' - 0.198 -
White
Wv' - 0.468 -
C.G.L White u'v' - 0.018 - (9)
Color Gamut - - 72 - %
Color Temperature - - 6,500 - K
* C.G.L : Color Grayscale Linearity
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Product Information
Item Symbol Condition Min. Typ. Max. Unit Note
L
80 89 -
Hor.
80 89 - (8)
Viewing R
CR 10 Degrees EZ-
Angle 80 89 -
U Contrast
Ver.
D
80 89 -
Brightness Uniformity (4)
Buni - - 25 %
(81 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 : 5.5mA
Environment condition : Ta = 25 2 C
Photodetector
Photodetector Field
SR-3 1 Field
RD-80S 2
SR-3 : 50
RD-80S : 50
TFT - LCD Module
LCD Panel
The center of the screen
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Note (2) Definition of 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 81 points brightness uniformity
( B max B min)
Buni 100 u
B max
Bmax : Maximum brightness
Bmin : Minimum brightness
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Note (5) Definition of Response time : Sum of Tr, Tf
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)
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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 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'.
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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 = 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 -300 340 ps (3)
LVDS Differential input
Input |VID| 200 600 mV (4)
voltage
Characteri
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
Input current IIN 10 (5)
(a) Black - 900 1,000 mA
Current of
Power (b) White IDD - 1,100 1,200 mA (6),(7)
Supply
(c) Dot (Sub-Pixel) - 1,200 1,400 mA
Vsync Frequency fV 49 60 76 Hz
Hsync Frequency fH 51 64 85 kHz
Main Frequency fDCLK 40.9 54 68.4 MHz
Rush Current IRUSH - - 3.5 A (8)
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.
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 380psec means LVDS data goes before or after LVDS clock.
(4) Definition of VID and VCM using single-end signals
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(5) Measurement Conditions Maximum + 10uA @ VIN=2.4V, VDD=3.6V,
- 10uA @ VIN=0V, VDD=3.6V
(6) fV=75Hz, fDCLK = 67.5MHz, VDD = 5.0V, DC Current.
(7) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern
c) Dot Pattern (Sub