SAMSUNG LTA400HM21-W Specification

Samsung Secret

Product Information

DATE : 05. Apr. 2012

SAMSUNG TFT-LCD

MODEL : LTA400HM21-W

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

1 / 27

Contents

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

Samsung Secret

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

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

2 / 27

Revision History

Date Rev. No Page Summary

Samsung Secret

5. Apr.
2012

000 all First issued

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

3 / 27

General Description

Samsung Secret

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

Module Size

921.7 (H

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 -

Luminance of White 320 (Typ.) cd/m

) x 536.3 (V

TYP

32.5 (D

)

TYP

) Converter

Max.

mm

±1.0mm

2

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

4 / 27

Samsung Secret

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

90

DD

STG

OPR

nop

nop

GND-0.3 16 V (1)

-20 60

0 50

- 50 G (3)

- 1.5 G (4)

℃

℃

(2)

(2),(5)

Fig. Temperature and Relative humidity range

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

5 / 27

(5) Definition of test point

5mm

Samsung Secret

5mm

1 2

5

○

LCD Module (Active)

MAX

4

| )

3

△T should be less than 10 ℃(△T = | T

T

: Temperature of the center of the glass surface (Test point 5)

OPR

OPR

– T

T1~ T4 : Temperature of each edge of the glass surface

T

: The highest temperature of the glass surface

MAX

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

6 / 27

2. Optical Characteristics

The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : TOPCON RD-80S, TOPCON SR-3 ,ELDIM EZ-Contrast

Samsung Secret

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)

(Ta = 25 ± 2°C, VDD=12.0V, fv=60Hz, f

C/R

- 4,000 -

=148.5MHz, LED Current = 140 mA )

DCLK

G-to-G Tg - 8 16 msec

Y

L

- 320 - cd/m

Normal

Red

Green

Rx
Ry 0.330
Gx 0.300

qL,R=0

qU,D=0

Viewing

Angle

Gy 0.620

Bx 0.150

TYP.

-0.03

0.640

TYP.

+0.03

Blue

By 0.050

Wx 0.280

White

Wy 0.290

(1)

SR-3

(3)

RD-80S

2

(4)

SR-3

(5),(6)

SR-3

Color Gamut - - 70 - %

Color Temperature - - 10,000 - K

Hor.

Viewing

Angle

Ver.

Brightness Uniformity

(9 Points)

q

L

q

R

q

U

q

D

B

uni

C/R≥10

75 89 ­75 89 -

Degree

75 89 ­75 89 -

- - 30 %

- 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.

Environment condition : Ta = 25 ± 2 °C

(5)

SR-3

(6)

EZ-Contrast

(2)

SR-3

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

7 / 27

Samsung Secret

C R

G

G

/

max

min



Photo detector Field

SR-3

RD-80S

TFT - LCD Module

- Definition of test point
320 960 1600

1°
2°

Photo detector

Field

SR-3 : 50㎝
RD-80S : 50㎝
EZ-Contrast:0㎝

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 ⑤ of the panel

⑨

⑥

Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black

⑧

⑤ ④

②③

⑦

①

Active Area
Test Point

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

8 / 27

Samsung Secret

Buni

B B

B

 



100

( max min)

max

Note (2) Definition of 9 points brightness uniformity (Test pattern : Full White)

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

White (data on)

R

Black (data off)

T

F

90%

10%

0%

※ G-to-G : Average response time between Gray to Gray (Scale)

Note (4) Definition of Luminance of White : Luminance of white at center point ⑤
Note (5) Definition of Color Chromaticity (CIE 1931)

Color coordinate of Red, Green, Blue & White at center point ⑤

TIME

Note (6) Definition of Viewing Angle

: Viewing angle range (C/R ≥10)

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

9 / 27

3. Electrical Characteristics

3.1 TFT LCD Module

The connector for display data & timing signal should be connected.

Item Symbol Min. Typ. Max. Unit Note

Samsung Secret

Ta = 25°C± 2 °C

Voltage of Power Supply V

Current
of Power

(a) Black
(b) White - 850

DD

I

DD

10.8 12.0 13.2 V (1)

- 800

-

-

mA
mA

Supply

(c) H-Stripe - 1000 1150 mA
Vsync Frequency f
Hsync Frequency f

V

H

48 60 62 Hz
50 67.5 75 kHz

Main Frequency Fdclk 130 148.5 155 MHz

Rush Current I

RUSH

- - 4.5 A (4)

Note (1) The ripple voltage should be controlled under 10% of VDD.

(2) fV=60Hz, fDCLK =148.5MHz, VDD= 12.0V, DC Current.
(3) Power dissipation check pattern (LCD Module only)

a) Black Pattern b) White Pattern c) H-stripe

(2),(3)

(4) Measurement Conditions

V

100%

DD

90%

10%
GND

T

=470㎲

RUSH

Rush Current I

can be measured when T

RUSH

. is 470㎲.

RUSH

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

10 / 27

3.2 Back Light Unit

The back light unit contains Edge type White LEDs (Light Emitting Diode)

Control Board

LCD Module

Converter

Samsung Secret

Ta=25 ± 2°C

Item Symbol Min. Typ. Max. Unit Note

Operating Life Time Hr 30,000 - - Hour (1)

Note (1) It is defined as the time to take until the brightness reduces to 50% of its original

value.

[Operating condition : Ta = 25±2℃, For LED package only. ]

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

11 / 27

3.3 Converter Input Condition & Specification

Items Symbol Conditions

Min. Typ. Max.

Samsung Secret

Specifications

Unit Note

Input Voltage Vin - 22 24 26 V

Input Current I

Output

Current

Backlight

On/Off

Dimming Range V

Dimming Duty

Output

Dimming

Frequency

External Dimming

Duty Range

RUSH

I

O,MAX

ON Vin=24.0 V 3.0 - 5.25

OFF Vin=24.0 V 0 - 0.4

_DIM

D max Vin=24V Dim:3.3V 100 - -

D min Vin=24V Dim:0V - 1 -

F

PWM

EX_Dim Min 1 - 100 %

Vin=24.0V

Vdim =3.3V

Vin = 24.0V

V dim =3.3 V

- - 3.6 A

133 140 147 mA

Vin :22~26V 0 - 3.3 V

Vin=24.0 V 140 150 160 Hz

Ta=25±2 °C

V

%

External Dimming
Frequency Range

External Dimming

Signal Level

F

EX_PWM

V

PWM

Vin=22.0~26.0 V 95 - 200 Hz

High (ON) 3 - 5.25

V

Low (Off) 0 - 0.4

Dim Pin(#13)

: Floating

Note) Power Consumption is measured when 320 [cd/m ] of luminance which is the typical

luminance.

(1) All data is measured after 60 min warm-up.

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

12 / 27

4. Input Terminal Pin Assignment

Samsung Secret

4.1. Input Signal & Power Connector : FI-RE51S-HF (JAE)

Pin Symbol Description Pin Symbol Description

1

10

11

12

13

14

15

16

12V DC power supply

2

3

4

5

6

7

8

9

12V DC power supply
12V DC power supply
12V DC power supply
12V DC power supply

NC NOTE1
GND Ground
GND Ground
GND Ground

RO[0]N Odd LVDS Signal ­RO[0]P Odd LVDS Signal +
RO[1]N Odd LVDS Signal ­RO[1]P Odd LVDS Signal +
RO[2]N Odd LVDS Signal ­RO[2]P Odd LVDS Signal +

GND Ground

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

RE[0]P Even LVDS Signal +
RE[1]N Even LVDS Signal ­RE[1]P Even LVDS Signal +
RE[2]N Even LVDS Signal ­RE[2]P Even LVDS Signal +

GND Ground

ROCLK- Even LVDS Clock -

ROCLK+ Even LVDS Clock +

GND Ground
RE[3]N Even LVDS Signal ­RE[3]P Even LVDS Signal +

NC

NOTE1

NC

GND Ground

NC
NC

17

18

19

20

21

22

23

24

25

ROCLK- Odd LVDS Clock -

ROCLK+ Odd LVDS Clock +

GND Ground
RO[3]N Odd LVDS Signal ­RO[3]P Odd LVDS Signal +

NC

NOTE1

NC

GND Ground
RE[0]N Even LVDS Signal -

42

43

44

45

46

47

48

49

50

51

NC
NC
NC

LVDS_SEL NOTE2

NC
NC
NC
NC
NC

NC NOTE1

NOTE1

Note1) No Connection: These PINS are used only for SAMSUNG. (DO NOT CONNECT)

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

13 / 27

Note(2) LVDS OPTION : If this PIN is HIGH (3.3 V) → Normal LVDS format

LOW (GND) → JEIDA LVDS format

SEQUENCE : On = VDD(T1) ≥ LVDS Option ≥ Interface Signal(T2)

OFF = Interface Signal(T3) ≥ LVDS Option ≥ VDD

Samsung Secret

Vin

LVDS

Option

LVDS
Signal

Note(3) Pin number starts from Left side

T2

▼

Pin No. 1 Pin No. 51

T3

LVDS Option Sequence

PCB

#1 #51

#1

#51

Fig. Connector diagram

a. Power GND pins should be connected to the LCD’s metal chassis.

b. All power input pins should be connected together.
c. All NC pin should be separated from other signal or power.

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

14 / 27

4.2. Converter Input Pin Configuration

Connector : Yeon-ho, 20022WR-14B1

Pin Configuration(FUNCTION)

Pin No.

Master

1~5 24 V

6~10 GND

11 No connection

12 Backlight On /Off [ON:2.4 – 5.5 V, OFF: 0 - 0.8 V]

13 Dimming Control [0V:Min, 3.3V:Max] *Note(1)

14 External PWM [1~100%] *Note(1)

Note(1) If use Dimming Control, Pin 14 Must be N.C

If use External PWM, Pin 13 Must be N.C

Samsung Secret

4.3. Converter Input Power Sequence

Vin (24V)

0.02sec [Min]

Dimming Control

External PWM

0.5sec [Min]

Backlight On/Off

0sec [Min]

0.5sec [Min]

0 sec [Min]

Note) SEQUENCE : ON = Vin(24V) > Dimming Control ≥ Backlight On/Off

OFF = Backlight On/Off ≥ Dimming Control > Vin(24V)

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

0.2sec [Min]

15 / 27

4.4 LVDS Interface

- LVDS Receiver : T-con (merged)

- Data Format (JEIDA & VESA)

Samsung Secret

LVDS pin JEIDA -DATA VESA -DATA

TxIN/RxOUT0 R2 R0

TxIN/RxOUT1 R3 R1
TxIN/RxOUT2 R4 R2

TxOUT/RxIN0

TxOUT/RxIN1

TxOUT/RxIN2

TxIN/RxOUT3 R5 R3
TxIN/RxOUT4 R6 R4
TxIN/RxOUT6 R7 R5
TxIN/RxOUT7 G2 G0
TxIN/RxOUT8 G3 G1

TxIN/RxOUT9 G4 G2
TxIN/RxOUT12 G5 G3
TxIN/RxOUT13 G6 G4
TxIN/RxOUT14 G7 G5
TxIN/RxOUT15 B2 B0

TxIN/RxOUT18 B3 B1

TxIN/RxOUT19 B4 B2
TxIN/RxOUT20 B5 B3
TxIN/RxOUT21 B6 B4
TxIN/RxOUT22 B7 B5
TxIN/RxOUT24 HSYNC HSYNC
TxIN/RxOUT25 VSYNC VSYNC
TxIN/RxOUT26 DEN DEN
TxIN/RxOUT27 R0 R6

TxIN/RxOUT5 R1 R7
TxIN/RxOUT10 G0 G6

TxOUT/RxIN3

TxIN/RxOUT11 G1 G7
TxIN/RxOUT16 B0 B6

TxIN/RxOUT17 B1 B7

TxIN/RxOUT23 RESERVED RESERVED

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

16 / 27

Samsung Secret

4.5 Input Signals, Basic Display Colors and Gray Scale of Each Color

COLOR

BASIC

COLOR

GRAY

SCALE

OF

RED

GRAY

SCALE

OF

GREEN

GRAY

SCALE

OF

BLUE

DATA SIGNAL

DISPLAY

(8bit)

R0 R1 R2 R3 R4 R5 R6 R7 G0 G1 G2 G3 G4 G5 G6 G7 B0 B1 B2 B3 B4 B5 B6 B7

BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -

BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 -

GREEN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 -

CYAN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -

RED 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -

MAGENTA 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 -

YELLOW 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 -

WHITE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ­BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R0

1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R1

DARK

↑

↓

LIGHT

RED 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R255

BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G0

DARK

↑

↓

LIGHT

GREEN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G255

BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 B0

DARK

↑

↓

LIGHT

BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 B255

0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R2
: : : : : : : : : : : : : : : : : :
: : : : : : : : : : : : : : : : : :
1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R253
0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R254

0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G1
0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G2
: : : : : : : : : : : : : : : : : :
: : : : : : : : : : : : : : : : : :
0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G253
0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G254

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 B1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 B2
: : : : : : : : : : : : : : : : : :
: : : : : : : : : : : : : : : : : :
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 B253
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 B254

RED GREEN BLUE

GRAY
SCALE
LEVEL

R252

G252

B252

R3~

G3~

B3~

Note) Definition of Gray :

Rn : Red Gray, Gn : Green Gray, Bn : Blue Gray (n = Gray level)
Input Signal : 0 = Low level voltage, 1 = High level voltage

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

17 / 27

5. Interface Timing

5.1 Timing Parameters ( DE mode )

SIGNAL ITEM SYMBOL MIN. TYP. MAX. Unit NOTE

Samsung Secret

Clock

Hsync F

Frequency

Vsync F

1/T

C

H

V

130 148.5 155 MHz -

50 67.5 75 KHz -

48 60.0 62 Hz -

Active

Vertical

Display

Period

T

VD

- 1080 - Lines -

Display Term

Vertical

Total

T

V

1092 1125 1380 Lines -

Active

Horizontal

Display

Period

T

HD

- 1920 - Clocks -

Display Term

Horizontal

Total

T

H

2090 2200 2350 clocks -

Note) This product have to receive the input of Hsync & Vsync signal

(1) Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
(2) Internal VDD = 3.3V
(3) Spread spectrum

- Modulation rate (max) : ± 1.5 %

- Modulation Frequency : under 100KHz

5.2 LVDS Input Data Characteristics

ITEM SYMBOL Min. Typ. Max. UNIT NOTE

t

Input Data

Position

Input common mode voltage V

Differential Input Voltage |VID| 100 - 600 mV -

FIN=80MHz

RSRM

t

RSLM

CM

Note) When the skew is measured the Spread Spectrum should be 0%

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

- - 400 ps

-400 - - ps

0.4 - 2.4 V -

18 / 27

5.3 Timing diagrams of interface signal ( DE mode )

TV

TVD

DE

TH

THD

DE

DCLK

Samsung Secret

TC

DATA

SIGNALS

DCLK

DISPLAY

DATA

DE

TC

TCH TCL

TDS TDH

TES

0.5
V

0.5
V

CC

0.5
V

CC

CC

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

19 / 27

Samsung Secret

5.4 Power ON/OFF Sequence

To prevent a latch-up or DC operation of the LCD Module, the power on/off

sequence should be as the diagram below.

2ms<T1≤10ms

0<T2≤50ms
0<T3≤50ms
1000ms≤T4

1000ms≤T5

(Recommend Value)

100ms≤T6

(Recommend Value)

T1 : VDDrising time from 10% to 90%
T2 : The time from VDDto valid data at power ON.

T3 : The time from valid data off to VDDoff at power Off.

T4 : VDDoff time for Windows restart
T5 : The time from valid data to B/L enable at power ON.
T6 : The time from valid data off to B/L disable at power Off.

 The supply voltage of the external system for the Module input should be the same

as the definition of VDD.

 Apply the lamp voltage within the LCD operation range. When the back light turns on

before the LCD operation or the LCD turns off before the back light turns off,
the display may momentarily show abnormal screen.

 In case of VDD= off level,

please keep the level of input signals low or keep a high impedance.

 T4 should be measured after the Module has been fully discharged between power off

and on period.

 Interface signal should not be kept at high impedance when the power is on.

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

20 / 27

T

Samsung Secret

B

D

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

21 / 27

T

Samsung Secret

B

D

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

22 / 27

7. PACKING

7.1 CARTON (Internal Package)

(1) Packing Form

Corrugated fiberboard box and corrugated cardboard as shock absorber

(2) Packing Method

Samsung Secret

LCD Module

Packing Box

Pallet Plastic

7.2 Packing Specification

Item Specification Remark

Direction to open

LCD Packing

21 ea /

(Packing-Pallet Box)

1. 8.6 kg / LCD

2. Packing-Set(1ea) : 16Kg

3. Packing Material : Paper

Pallet 1Box / Pallet

Packing Direction Vertical

Total Pallet Size H x V x height 1150mm(H) x 985mm(V) x 711mm(height)

Total Pallet Weight 205.24 kg

1. Pallet weight = 7.8kg

Pallet(7.8kg) + Module (180.6 kg) + Packing
set(16kg) + Desiccant (0.04 x21 = 0.84Kg)

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

23 / 27

Samsung Secret

8. MARKING & OTHERS

A nameplate bearing followed by is affixed to a shipped product at the specified

location on each product.

(1) Part number : LTA400HM21
(2) Revision: Three letters
(3) Lot number : X X X X XXX XX X

Cell Position No. (In the Glass)
Glass No. (In the one Lot)
Lot No. (Glass)
Month
Year (Note1)
Product code
Line

(4) Nameplate Indication

Week code : 05 29

LTA400HM21

XXXXXXXXXX XXX

(5) Packing box attach

LTA400HM21

week
year

40mm

Revision code
Lot number

80mm

100mm

Part number

XXX

21

Box serial number

165mm

(6) Others

1. After service part
Lamps cannot be replaced because of the narrow bezel structure.

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

24 / 27

9. General Precautions

Samsung Secret

9.1 Handling

(a) When the Module is assembled, it should be attached to the system firmly

using all mounting holes. Be careful not to twist and bend the Module.

(b) Because the converter use high voltage, it should be disconnected from power

before it is assembled or disassembled.

(c) Refrain from strong mechanical shock and / or any force to the Module.

In addition to damage, this may cause improper operation or damage to the Module
and LED back light.

(d) Note that polarizers are very fragile and could be damage easily.

Do not press or scratch the surface harder than a HB pencil lead.

(e) Wipe off water droplets or oil immediately. If you leave the droplets for a long

time, staining or discoloration may occur.
(f) If the surface of the polarizer is dirty, clean it using absorbent cotton or soft cloth.
(g) Desirable cleaners are water, IPA (Isopropyl Alcohol) or Hexane.

Do not use ketone type materials (ex. Acetone), Ethyl alcohol, Toluene, Ethyl acid

or Methyl chloride. It might permanent damage to the polarizer due to chemical

reaction.
(h) If the liquid crystal material leaks from the panel, it should be kept away

from the eyes or mouth . In case of contact with hands, legs or clothes, it must

be washed away with soap thoroughly.

(i) Protect the module from Electrostatic discharge. Otherwise the ASIC IC or

Semiconductor would be damaged.

(j) Use finger-stalls with soft gloves in order to keep display clean during the

incoming inspection and assembly process.
(k) Do not disassemble the Module.
(l) Do not disassemble shield case of converter & C-PBA.
(m) Do not connect N.C pins. (Samsung internal use only)
(n) Protection film for polarizer on the Module should be slowly peeled off just before use

so that the electrostatic charge can be minimized. Must put on antistatic glove while
handle a module

(o) Pins of I/F connector should not be touched directly with bare hands.

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

25 / 27

9.2 Storage

We highly recommend to comply with the criteria in the table below.

Item Unit Min. Max.

Samsung Secret

Storage

Temperature

Storage Humidity (%rH) 35 75

Storage Life 6 Months

- The storage room should provide good ventilation and temperature

control.

- Products should not be placed on the floor, but on the Pallet away

from

a wall.

- Prevent products from direct sunlight, moisture nor water; Be

cautious of

Storage

Condition

a build up of condensation.

- Avoid other hazardous environment while storing goods.

- If products delivered or kept in conditions of over the storage period

of 3

months, the recommended temperature or humidity range,
we recommend you leave them at a temperature of 20℃ and a

humidity

of 50% for 24 hours.

(℃)

10 40

9.3 Operation

(a) Do not connect or disconnect the Module in the "Power On" condition.
(b) Power supply should always be turned on/off by the "Power on/off sequence"
(c) Module has high frequency circuits. Sufficient suppression to the electromagnetic

interference should be done by system manufacturers. Grounding and shielding methods
may be important to minimize the interference.

(d) The cable between the back light connector and its converter power supply should

be connected directly with a minimized length. A longer cable between
the back light and the converter may cause lower luminance of LED and
may require higher startup voltage(Vs).

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

26 / 27

9.4 Operation Condition Guide

Samsung Secret

(a) The LCD product should be operated under normal conditions.

Normal condition is defined as below;

- Temperature : 20±15℃

- Humidity : 55±20%

- Display pattern : continually changing pattern (Not stationary)

(b) If the product will be used in extreme conditions such as high temperature,

humidity, display patterns or operation time etc.., It is strongly recommended
to contact SEC for Application engineering advice. Otherwise, its reliability and
function may not be guaranteed. Extreme conditions are commonly found at

Airports, Transit Stations, Banks, Stock market, and Controlling systems.

9.5 Others

(a) Ultra-violet ray filter is necessary for outdoor operation.
(b) Avoid condensation of water. It may result in improper operation or disconnection

of electrode.

(c) Do not exceed the absolute maximum rating value. ( supply voltage variation,

input voltage variation, variation in part contents and environmental temperature,
and so on)
Otherwise the Module may be damaged.

(d) If the Module keeps displaying the same pattern for a long period of time,

the image may be "sticked" to the screen.
To avoid image sticking, it is recommended to use a screen saver.

(e) This Module has its circuitry PCB's on the rear side and should be handled

carefully in order not to be stressed.

(f) Please contact SEC in advance when you display the same pattern for a long time.

MODEL LTA400HM21 Doc. No 06-000-G-20120405 Page

27 / 27