SAMSUNG LTA400HM23 Specification
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SAMSUNG TFT-LCD
MODEL : LTA400HM23
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Product Information
DATE : 04. July. 2012
The information described in this specification is preliminary and can be changed without
prior notice
Samsung Display Co . , LTD.
MODEL LTA400HM23 Doc. No 06-000-G-20120704 Page
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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 part
3.2 Back light unit part
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Contents
4. Input terminal pin assignment --------------------------------------------------------------------- (12)
4.1 Input signal & power
4.2 LED Bar connector
4.3 LVDS interface
4.4 Input signals, basic display colors and gray scale of each color
5. Interface timing ---------------------------------------------------------------------------------------- (17)
5.1 Timing parameters
5.2 LVDS Input data characteristics
5.3 3D mode sequence
5.4 Timing diagrams of interface signal
5.5 Power ON/OFF sequence
6. Outline dimension ------------------------------------------------------------------------------------- (20)
7. Packing -------------------------------------------------------------------------------------------------- (22)
8.1 Carton (Internal package)
8.2 Packing specification
8. Marking & Others ------------------------------------------------------------------------------------- (23)
9. General precaution ----------------------------------------------------------------------------------- (24)
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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04. July.
2012
000 All First Issued
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General Description
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Description
LTA400HM23 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 16.7million colors with
wide viewing angle of 178¶ 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 TFTLCD 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 (typ.178¶)
High speed response
HD resolution (16:9)
Low Power consumption
Direct 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
914.4 (H
Module Size
Weight 6200 (Typ.) g
Pixel Pitch 0.46125(H) x 0.15375(W) mm
Active Display Area 885.6 (H) x 498.15 (V) mm
Surface Treatment Anti-Glare Haze 5.5%, Hard coating (2H) -
Display Colors 8 bit – 16.7 M color
Number of Pixels 1920 x 1080 pixel
Pixel Arrangement RGB Horizontal stripe
Display Mode Normally Black
Luminance of White 300 (Typ.) cd/m
) x 530.6 (V
Typ
37 (D
Max
)
Typ
)
·1.0mm
mm
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
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Power Supply Voltage V
Storage temperature T
Operating temperature T
DD
STG
OPR
GND-0.3 13.2 V (1)
-20 60
050
Shock ( non - operating ) X,Y,Z - 50 G (3)
Vibration ( non - operating ) V
NOP
- 1.5 G (4)
Note (1) Ta= 25 · 2 ¶C
(2) Temperature and relative humidity range are shown in the figure below.
a. Ta ≤ 39 ¶C , Relative Humidity is max 90 %
b. Ta 39 ¶C , Relative Humidity is less than 90%
c. No condensation
(2)
Fig. Temperature and Relative humidity range
(3) 11ms, sine wave, one time for ·X, ·Y, ·Z axis
(4) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
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2. Optical Characteristics
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The optical characteristics should be measured in a dark room or equivalent condition.
Measuring equipment ( ) : equipment maker
:
BM-7(TOPCON), PR-650(Photo Research), SR3(TOP CON )
(Ta = 25 · 2¶C, VDD=12V, fv= 60Hz, f
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio
(Center of screen)
Response
G-to-G
Time
Luminance of White
(Center of screen)
Color
Green
Chromaticity
(CIE 1931)
(2D)
Red
Blue
C/R - 5000 -
Tg
Y
L
Rx
Ry 0.338
Normal
θL,R =0
- 8 20 msec
260 300 - cd/m
θU,D =0
Gx 0.312
Gy 0.616
Bx 0.150
Viewing
Angle
TYP.
-0.03
By 0.054
= 148.5 MHz, If = 400mA, Dim.duty 100%)
DCLK
BM-7, RD-80S
2
0.640
TYP.
-0.03
(1)
SR-3
(3)
(4)
SR-3
(5),(6)
PR650,
SR-3
Center
Point
White
Wx 0.275
Wy 0.285
Color Gamut - - 70 - %
Color Temperature - - 11,000 - K
Typ.
Viewing
Angle
Hor.
Ver.
θ
L
θ
R
θ
U
θ
D
C/R≥10
75 89 -
75 89 -
Degree
75 89 -
75 89 -
White Brightness
Uniformity
B
uni
--30%
(9 Points)
- 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
SR-3
RD-80S
TFT - LCD Module
Field
1ദ
2ദ
- Definition of test point
320 960 1600
Photo detector
Field
D : 50
LCD Panel
The center of the screen
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
G
CR
/
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 : Average of T
(data is 8 x 8 Gray table, excluding 0 to 255Gray)
Display data
Optical Instruments
Response
100%
90%
10%
0%
Black (data off)
T
R
White (data on)
R
, T
F
Black (data off)
T
F
TIME
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 at center point
: Viewing angle range (C/R ≥10)
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