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Samsung Secret
Preliminary Spec
DATE : 16. May. 2012
SAMSUNG TFT-LCD
MODEL : LTA400HL15
The Information Described in this Specification is Preliminary and can be changed without
prior notice
Samsung Display Co . , LTD.
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page 1 / 29
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Contents Samsung Secret
General Description --------------------------------------------------------------------------------------- (4)
General Information --------------------------------------------------------------------------------------- (4)
1. Absolute Maximum Ratings -------------------------------------------------------------------------- (5)
1.1 Back Light Unit Absolute Maximum Ratings
1.2 LED Unit Absolute Maximum Ratings
2. Optical Characteristics --------------------------------------------------------------------------------- (7)
3. Electrical Characteristics ------------------------------------------------------------------------------ (10)
3.1 TFT LCD Module
3.2 Back Light Unit
4. Input Terminal Pin Assignment --------------------------------------------------------------------- (12)
4.1 Input Signal & Power
4.2 LED bar connection
4.3 V by one Rx EYE Specifications
4.4 Input Signals, Basic Display Colors and Gray Scale of Each Color
5. Interface Timing ---------------------------------------------------------------------------------------- (17)
5.1 Timing Parameters (DE mode)
5.2 Spread Spectrum
5.3 V by one Input Data Position
5.4 Timing diagrams of interface signal
5.5 Power ON/OFF Sequence
6. Outline Dimension -------------------------------------------------------------------------------------- (22)
7. Reliability test ------------------------------------------------------------------------------------------- (24)
8. Packing --------------------------------------------------------------------------------------------------- (25)
9. Marking & Others --------------------------------------------------------------------------------------- (26)
10. General Precaution ----------------------------------------------------------------------------------- (27)
10.1 Handling
10.2 Storage
10.3 Operation
10.4 Operation Condition Guide
10.5 Others
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page 2 / 29
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Samsung Secret
* Revision History
Rev.
Date Page Summary
No
16. May.
000 all First issued
2012
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page 3 / 29
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General Description Samsung Secret
Description
LTA400HL15 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 40.0" is 1920 x 1080 and this model can display up to 1.07B (Dithered
10bit) colors with wide viewing angle of 89 or higher in all directions. This panel is
intended to support applications to provide a excellent performance for Flat Panel Display
such as Home-alone Multimedia TFT-LCD TV and High Definition TV.
Features
RoHS compliance (Pb-free)
High contrast & aperture ratio
SPVA (Super Patterned Vertical Align) mode
Wide viewing angle ( 178 )
High speed response (240Hz)
FHD resolution (16:9)
Low Power consumption
White E-LED Backlight
DE (Data Enable) mode
8 lane V-by-one Interface
General Information
Items Specification Unit Note
897.4(HTYP) x 511.0(VTYP) 1.0mm
Module Size mm
27(Dmax) Wall mount Stud
Weight 8300 (Max) g
Pixel Pitch 0.12125(H) X 0.36375 (V) mm
Active Display Area 885.6(H) X 498.15(V) mm
Surface Treatment Glare, 2H - Glare
Display Colors 1.07B - Dithered 10bit Colors
Number of Pixels 1920 x 1080 Pixel
Pixel Arrangement RGB vertical stripe -
Display Mode Normally Black -
Luminance of White 450 (Typ.) cd/m2
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page 4 / 29
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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 16 V (1)
Storage temperature TSTG -20 60
(2)
Operating temperature TOPR 0 50
Shock ( non - operating ) X,Y - 30 G (4)
Vibration ( non - operating ) VNOP - 1.5 G (5)
1.2 LED Unit Absolute Maximum Ratings
Item Symbol Max. Unit Note
Operating
Top -30~+70 -
Temperature Range
Storage Temperature
TSTG -30~+70 -
Range
Duty 100% operation
If 180 mA
@ 1 string (8block/PCB)
Forward Current
Duty 50% operation
Ifp 214 mA
@ 1 string (8block/PCB)
Ifp = 180mA , Duty100%
Vf 42.1 V
@ 1block (6LED/block)
Forward Voltage
Ifp = 214mA , Duty 50%
Vfp 43.7 V
@ 1block (6LED/block)
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page 5 / 29
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Samsung Secret
Note (1) Ta= 25 2 C
(2) Temperature and relative humidity range are shown in the figure below.
a. 90 % RH Max. (Ta 39 C)
b. Relative Humidity is 90% or less. (Ta 39 C)
c. No condensation
(3) Although abnormal visual problems can be occurred in TSUR range, the polarizer
is not damaged in this range.
(4) 11ms, sine wave, one time for X, Y, Z axis
(5) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
Fig. Temperature and Relative humidity range
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page 6 / 29
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2. Optical Characteristics Samsung Secret
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : TOPCON RD-80S, TOPCON SR-3 ,ELDIM EZ-Contrast
(Ta = 25 2 C, VDD=12.0V, fv=240Hz, fDCLK=594 MHz, 2D Mode, Duty=100%))
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio (1)
C/R 3,000 5,000 -
(Center of screen) SR-3
Response (3)
G-to-G Tg - 8 - msec
Time RD-80S
Luminance of White (4)
YL 350 450 - cd/m2
(Center of screen) SR-3
Normal
Rx TL,R=0 0.650
Red TU,D=0
Ry 0.333
Gx Viewing 0.308
Green Angle
Color Gy 0.610
TYP. TYP. (5),(6)
Chromaticity
Bx -0.03 0.150 +0.03 SR-3
(CIE 1931)
Blue
By 0.061
Wx 0.280
White
Wy 0.290
Color Gamut - - 70 - % (5)
Color Temperature - - 10,000 - K SR-3
TL 75 89 -
Hor.
Viewing TR 75 89 - (6)
C/R10 Degree
Angle TU 75 89 - EZ-Contrast
Ver.
TD 75 89 -
Brightness Uniformity (2)
Buni - - 27 %
(9 Points) SR-3
- Test Equipment Setup
The measurement should be executed in a stable, windless and dark room between
40min and 60min 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 = 120mA
. Environment condition : Ta = 25 2 C
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page 7 / 29
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Photo detector
Photo detector Field
SR-3 1
RD-80S 2 Field
SR-3 : 50
RD-80S : 50
EZ-Contrast:0
TFT - LCD Module
LCD Panel
The center of the screen
- Definition of test point
320 960 1600
180 Active Area
Test Point
540
900
Note (1) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point of the panel
G max
C/R
G min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page 8 / 29
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Note (2) Definition of 9 points brightness uniformity (Test pattern : Full White)
( B max B min)
Buni 100
B max
Bmax : Maximum brightness
Bmin : Minimum brightness
Note (3) Definition of Response time : Sum of Tr, Tf
Display data Black (data off) White (data on) Black (data off)
TR TF
Optical Instruments
100%
Response
90%
10%
0%
TIME
Note (4) Definition of Luminance of White : Luminance of white at center point
Note (5) Definition of Color Chromaticity (CIE 1931)
Color coordinate of Red, Green, Blue & White at center point
Note (6) Definition of Viewing Angle
: Viewing angle range (C/R 10)
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page 9 / 29
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Samsung Secret
3. Electrical Characteristics
3.1 TFT LCD Module
The connector for display data & timing signal should be connected.
Ta = 25 C 2 C
Item Symbol Min. Typ. Max. Unit Note
Voltage of Power Supply VDD 10.8 12 13.2 V (1)
(a) Black - 950 1050 mA
Current
of Power (b) White IDD - 920 1020 mA (2),(3)
Supply
(d) H-stripe - 2200 2450 mA
Rush Current IRUSH - - 5 A (4)
Min. Typ. Max. Unit
Vsync Frequency fV 192 240 245 Hz
Hsync Frequency fH 216 270 275 kHz
Main Frequency Fdclk 465 594 606 MHz
Note (1) The ripple voltage should be controlled under 10% of VDD.
(2) fV=240Hz, fDCLK =594 MHz, VDD = 12.0V, DC Current.
(3) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) H-stripe
(4) Measurement Conditions
VDD
100%
90%
10%
GND
TRUSH=470
Rush Current IRUSH can be measured when TRUSH. is 470 .
MODEL LTA400HL15 Doc. No 06-000-G-20120516 Page 10 / 29
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3.2 Back Light Unit
Ta=25 2C
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