SAMSUNG LTA400HM21 Specification
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SAMSUNG TFT-LCD
MODEL : LTA400HM21-W
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Samsung Secret
Product Information
DATE : 05. Apr. 2012
The Information Described in this Specification is Preliminary and can be changed without
prior notice
Samsung Display Co . , LTD.
MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page
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Contents
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Revision History -------------------------------------------------------------------------------------------- (3)
General Description --------------------------------------------------------------------------------------- (4)
General Information --------------------------------------------------------------------------------------- (4)
1. Absolute Maximum Ratings -------------------------------------------------------------------------- (5)
2. Optical Characteristics --------------------------------------------------------------------------------- (6)
3. Electrical Characteristics ------------------------------------------------------------------------------- (9)
3.1 TFT LCD Module
3.2 Back Light Unit
3.3 Converter Input & Specification
4. Input Terminal Pin Assignment --------------------------------------------------------------------- (12)
4.1 Input Signal & Power
4.2 Converter Input Pin Configuration
4.3 Converter Input Power Sequence
4.4 LVDS Interface
4.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
5. Interface Timing ---------------------------------------------------------------------------------------- (18)
5.1 Timing Parameters (DE mode)
5.2 LVDS Input data Characteristics
5.3 Timing Diagrams of interface Signal (DE mode)
5.4 Power ON/OFF Sequence
6. Outline Dimension -------------------------------------------------------------------------------------- (21)
7. Packing --------------------------------------------------------------------------------------------------- (24)
8. Marking & Others --------------------------------------------------------------------------------------- (25)
9. General Precaution ----------------------------------------------------------------------------------- (26)
9.1 Handling
9.2 Storage
9.3 Operation
9.4 Operation Condition Guide
9.5 Others
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Revision History
Date Rev. No Page Summary
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5. Apr.
2012
000 all First issued
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General Description
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Description
LTA400HM21 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 to16.7 Million
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 ratio & aperture ratio with wide color gamut
SPVA(Super Patterned Vertical Align) mode
Wide viewing angle (·178¶)
High speed response
FHD resolution (16:9)
Low Power consumption
Edge Type LED (Light Emitted Diode) BLU
DE (Data Enable) mode
2ch LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)
General Information
Items Specification Unit Note
921.7 (H
Module Size
Weight 9.6 (Max.) kg
Pixel Pitch 0.46125(H) x 0.15375(V) mm
Active Display Area 885.6 x 498.15 mm
Surface Treatment Anti-glare -
Display Colors 8bit – 16.7M Colors
Number of Pixels 1920 x 1080 Pixel
Pixel Arrangement RGB Horizontal stripe -
Display Mode Normally Black -
) x 536.3 (V
TYP
32.5 (D
)
TYP
) Converter
Max.
·1.0mm
mm
Luminance of White 320 (Typ.) cd/m
2
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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 V
Storage temperature T
Operating temperature T
Shock ( non - operating ) S
Vibration ( non - operating ) V
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) 11ms, sine wave, one time for ·X, ·Y, ·Z axis
(4) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
DD
STG
OPR
nop
nop
GND-0.3 16 V (1)
-20 60
050
- 50 G (3)
- 1.5 G (4)
(2)
(2),(5)
90
Fig. Temperature and Relative humidity range
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(5) Definition of test point
5mm
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5mm
12
5
LCD Module (Active)
MAX
4
| )
3
T should be less than 10
T
: Temperature of the center of the glass surface (Test point 5)
OPR
(ƸT = | T
OPR
– T
T1~ T4 : Temperature of each edge of the glass surface
T
: The highest temperature of the glass surface
MAX
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2. Optical Characteristics
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment :
(Ta = 25 · 2¶C, VDD=12.0V, fv=60Hz, f
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio
(Center of screen)
Response
Time
Luminance of White
(Center of screen)
Color
Chromaticity
(CIE 1931)
G-to-G Tg - 8 16 msec
Red
Green
Blue
TOPCON RD-80S, TOPCON SR-3 ,ELDIM EZ-Contrast
=148.5MHz, LED Current = 140 mA )
DCLK
C/R
Y
L
Normal
Rx
Ry 0.330
Gx 0.300
TL,R=0
TU,D=0
Viewing
Angle
Gy 0.620
Bx 0.150
By 0.050
- 4,000 -
- 320 - cd/m
0.640
TYP.
-0.03
TYP.
+0.03
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(1)
SR-3
(3)
RD-80S
2
(4)
SR-3
(5),(6)
SR-3
Wx 0.280
White
Wy 0.290
Color Gamut - - 70 - %
Color Temperature - - 10,000 - K
75 89 -
75 89 -
Degree
75 89 -
75 89 -
--30%
Hor.
Viewing
Angle
Ver.
Brightness Uniformity
(9 Points)
T
L
T
R
T
U
T
D
B
uni
C/R≥10
- 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.
(5)
SR-3
(6)
EZ-Contrast
(2)
SR-3
Environment condition : Ta = 25 · 2 ¶C
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ྙ
ྚྛ
ྞ
ྡ
ྠ
ྜྷ ྜ
ྟ
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Photo detector Field
SR-3
RD-80S
TFT - LCD Module
- Definition of test point
1ദ
2ദ
Photo detector
Field
The center of the screen
SR-3 : 50
RD-80S : 50
EZ-Contrast:0
LCD Panel
༃
320 960 1600
180
540
900
Note (1) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point 䐣 of the panel
CR
/
G
max
G
min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
Active Area
Test Point
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Note (2) Definition of 9 points brightness uniformity (Test pattern : Full White)
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Buni
BB
(max min)
100
B
max
Bmax : Maximum brightness
Bmin : Minimum brightness
Note (3) Definition of Response time : Sum of Tr, Tf
Display data
Optical Instruments
Response
100%
Black (data off)
T
R
White (data on)
90%
10%
0%
Black (data off)
T
F
GnTTnGaGhGGGGnGGnGOzP
Note (4) Definition of Luminance of White : Luminance of white at center point 䐣
Note (5) Definition of Color Chromaticity (CIE 1931)
Color coordinate of Red, Green, Blue & White at center point 䐣
Note (6) Definition of Viewing Angle
: Viewing angle range (C/R ≥10)
TIME
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