SAMSUNG LTA400HF09 Specification

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Samsung Confidential

Approval

Customer : FUNAI

SAMSUNG TFT--

SAMSUNG TFT

SAMSUNG TFT-LCD

MODEL

MODEL : LTA400HF09

J2D

LCD

: LTA400HF09

DATE : 15. Mar. 2010

Customer’’

Customer

zpnuh{|yl

Samsung Electronics Co . , LTD.

Samsung Confidential

s Approval

DATE

LCD Business

hwwyv}lkGi

wylwhylkGi

DATE

15.Mar.2010

DATE

15.Mar.2010

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Contents

Samsung Confidential

General Description --------------------------------------------------------------------------------------- (4)

General Information --------------------------------------------------------------------------------------- (4)

1. Absolute Maximum Ratings -------------------------------------------------------------------------- (5)

1.1 Back Light Unit Absolute Maximum Ratings

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 only mode)

5.2 Timing Diagrams of interface Signal (DE only mode)

5.3 Power ON/OFF Sequence

6. Outline Dimension -------------------------------------------------------------------------------------- (21)

7. Packing --------------------------------------------------------------------------------------------------- (23)

8. Marking & Others --------------------------------------------------------------------------------------- (24)

9. General Precaution ------------------------------------------------------------------------------------- (25)

9.1 Handling

9.2 Storage

9.3 Operation

9.4 Operation Condition Guide

9.5 Others

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Æ

* Revision History

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Date

Jan 11,

2010

Mar 15,

2010

Rev.

No

SummaryPage

First issuedall000

#42 pin 1D dimming EN

No connection or GND13001

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General Description

Description

LTA400HF09 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 10.7 Billion 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)

 ECO : Low Power consumption (

 Direct Type 12 CCFLs(Cold Cathode Fluorescent Lamp)

 DE(Data Enable) mode

 4ch LVDS (Low Voltage Differential Signaling) interface (4pixel/clock)

( & Natural Motion (DFR: Double Frame Rate) )

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1D Dimming Apply )

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General Information

Module Size

952.0(H

RGB vertical stripePixel Arrangement

Normally BlackDisplay Mode

) x 551.0(V

TYP

55.6(D

Haze 4.5%Surface Treatment

450 (Typ.)Luminance of White

MAX

UnitSpecificationItems

)

TYP

)

mm

g9,000 (Max)Weight

mm0.46125(H) x 0.46125(W)Pixel Pitch

mm885.6(H) x 498.15(V)Active Display Area

colors8 bit + FRC – 1.07 BillionDisplay Colors

pixel1920 x 1080Number of Pixels

cd/m

2

Note

·1.0mm

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1. Absolute Maximum Ratings

If the condition exceeds maximum ratings, it can cause malfunction or unrecoverable damage to the device.

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NoteUnitMax.Min.SymbolItem

Power Supply Voltage

Storage temperature

Operating temperature

Surface temperature

Shock ( non - operating )

Vibration ( non - operating )

DD

STG

OPR

SUR

NOP

nop

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 T

SUR

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

60-20T

500T

650T

range,

V13.2GND-0.5V

V5-Max. LumDimming Control

୅

G50-

(1)

(2)

(3)

(4)S

(5)G1.5-V

Fig. Temperature and Relative humidity range

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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

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Contrast Ratio

(Center of screen)

Response Time

(G-to-G)

Luminance of White

(Center of screen)

Color

Green

Chromaticity

(CIE 1931)

White

Red

Blue

(Ta = 25 · 2¶C, VDD=12V, fv= 120Hz, f

L

Rx

Normal

qL,R =0 qU,D =0

Viewing

Angle

TYP.

-0.03

0.640

0.330Ry

0.285Gx

0.610Gy

0.150Bx

0.059By

0.280Wx

0.290Wy

= 297.0MHz, Dimming = 3.3V)

DCLK

-50004000C/R

msec-6-Tg

-450350Y

cd/m

RD-80S

2

TYP.

+0.03

NoteUnitMax.Typ.Min.ConditionSymbolItem

(1)

SR-3

(3)

(4)

SR-3

(5),(6)

SR-3

Hor.

Viewing

Angle

Ver.

White Brightness

Uniformity

(9 Points)

- Test Equipment Setup

The measurement should be executed in a stable, windless and dark room after 60min from 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

%-72--Color Gamut

K-10,000--Color Temperature

q

L

R

U

D

uni

C/R˻10

-8975

-8975q Degree

-8975q

%25--B

(5)

SR-3

(6)

EZ-Contrast

(2)

SR-3

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ྙྚྛ

ྞ

ྡ

ྠ

ྜྷ ྜ

ྟ

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Field Photo detector

TFT - LCD Module

- Definition of test point

320 960 1600

Photo detector

2ദSR-3

1ദRD-80S

Field

SR-3 : 50໅ RD-80S : 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 㽶 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 G-to-G T

Display data

Optical Instruments

Response

100%

90%

10%

0%

Black (data off)

T

R

White (data on)

R , TF

Black (data off)

T

F

TIME

Note (4) Definition of Luminance of White : Luminance of white at center point 㽶

Note (5) Definition of Color Chromaticity (CIE 1931)

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

Note (6) Definition of Viewing Angle

: Viewing angle range (C/R ı10)

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3. Electrical Characteristics

3.1 TFT LCD Module

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

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Ta = 25¶C · 2 ¶C

NoteUnitMax.Typ.Min.SymbolItem

Voltage of Power Supply

Current of

(a) Black

Power

DD

I

DD

Supply

Vsync Frequency

Hsync Frequency

Main Frequency

Rush Current

V

H

DCLK

RUSH

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

(2) fV=120Hz, fDCLK = 297.0MHz, V

= 12.0V, DC Current.

DD

(3) Power dissipation check pattern (LCD Module only)

a) Black Pattern b) White Pattern c) Sub V-Stripe

(1)V13.212.010.8V

-800-

-710-(b) White

mA

(2),(3)

mA14001100-(c) Sub V-Stripe

(4)Hz125120.095f

kHz140135.0120f

MHz305297.0260f

(5)A6--I

(5) Measurement Conditions

V

100%

90%

10% GND

T

=470༕

RUSH

Rush Current I

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can be measured when T

RUSH

. is 470༕.

RUSH

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3.2 Back Light Unit

The back light unit contains 12 direct-lighting type CCFLs ( Cold Cathode Fluorescent Lamp )

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Ta=25 · 2¶C

Socket

HOT 1

HOT 2

Inverter

HOT 11

HOT 12

GND

COLD 1

COLD 2

LCD

Module

COLD 11

COLD 12

NoteUnitMax.Typ.Min.SymbolItem

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 single lamp only. ]

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(1)Hour--50,000HrOperating Life Time

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3.3 Inverter Input Condition & Specification

ConditionsSymbolItems

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Specifications

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NoteUnit

Max.Typ.Min.

Input

Voltage

Input

Current

Lamp

Current

Frequency

Backlight

On/Off

PWM

Voltage

PWM

Frequency

External

PWM Duty

Iin

O,MAX

LAMP

V

PWM

External

Vin=24.0V

Max Duty

V262422-Vin

Ta=25·YG¶j

OYP

A6.5--

(1)

mArms14.71413.3Max DutyI

kHz504846Vin=24.0 VF

-

5.25-2.4Vin=24.0 VON (2)V

0.8-0Vin=24.0 VOFF

5.0-3.0Max (2)V

0.4-0.0Min

Hz151.5150148.5Vin=24.0 VF

(3)%98-20Vin=24.0 VDuty

Note) Power Consumption is measured when 450[cd/m ] of luminance which is the typical

luminance.

(1) Max Value of the Power Consumption is measured after 60 min warm-up.

(2) The ripple voltage should be controlled under 10% of Input Signal

uty = On/(On+Off) * 100

(3) D

(4) External PWM Signal

Mlwwhu#=#Pd{1#533qv#

<3(

43(

Wu =#Pd{#93xv

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<3(

43(

Wi =#PD[#93xv

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4. Input Terminal Pin Assignment

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4.1.1 Input Signal & Power Connector : FI-RE41S-HF (JAE/UJU)

DescriptionSymbolPinDescriptionPin

Rx1[3]P

Rx1[4]N22Vdd(12V)2

Rx1[4]P23Vdd(12V)3

GND

Rx3[0]N25Vdd(12V)5

Rx3[0]P26No Connection6

Rx3[1]N27GND7

Rx3[1]P28GND8

Rx3[2]N29GND9

Rx3[2]P30Rx1[0]N

10

21Vdd(12V)1

24Vdd(12V)4

ODD LVDS

SIGNAL

31Rx1[0]P11

34Rx1[2]N14

ODD LVDS

SIGNAL

Note) No Connection: This PINS are only used for SAMSUNG internal using.

GND

Rx3CLK-32Rx1[1]N12

Rx3CLK+33Rx1[1]P13

GND

Rx3[3]N35Rx1[2]P15

Rx3[3]P36GND16

Rx3[4]N37Rx1CLK-17

Rx3[4]P38Rx1CLK+18

GND39GND19

No Connection40Rx1[3]N20

No Connection41

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4.1.2 Input Signal & Power

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Connector : FI-RE51S-HF (JAE/UJU)

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DescriptionPinDescriptionPin

10

Rx2[0]N

Rx2[0]P

Rx2[1]N

Rx2[1]P

Rx2[2]N

Rx2[2]P

26Vdd(12V)1

27Vdd(12V)2

28Vdd(12V)3

29Vdd(12V)4

30Vdd(12V)5

31No Connection6

32GND7

33GND8

34GND9

35

3611

3712

3813

EVEN LVDS

SIGNAL

Rx4[0]P

Rx4[1]N

Rx4[1]P

Rx4[2]N

Rx4[2]P

GND

Rx4CLK-

Rx4CLK+

GND

Rx4[3]N

Rx4[3]P

Rx4[4]N

Rx4[4]P

GND3914

No Connection4015

GND

EVEN LVDS

SIGNAL

NOTE) No connection : This Pins are only used for SAMSUNG internal using

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Rx2CLK-

Rx2CLK+

GND

Rx2[3]N

Rx2[3]P

Rx2[4]N

Rx2[4]P

GND

Rx4[0]N

No Connection4116

No Connection or GND4217

No Connection4318

No Connection4419

LVDS Option * Note(1)4520

No Connection4621

No Connection4722

No Connection4823

No Connection4924

PC mode EN * Note(2)5025

No Connection51

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Note) Pin number starts from Left side

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PCB

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

Pin No. 1 Pin No. 41

#1 #41

#1

#41

#1



Pin No. 1 Pin No. 51

Fig. Connector diagram

a. All GND pins should be connected together and also be connected to the LCD’s

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

Note(1) LVDS OPTION : If this PIN HIGH ( 3.3V ) ˧ Normal LVDS format

LOW ( GND ) ˧ JEIDA LVDS format

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

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

#51

Vin

LVDS

Option

LVDS Signal

Note(2) PC MODE EN : If this PIN HIGH ( 3.3V ) ˧ PC MODE On

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T2

T3

LVDS Option Sequence

LOW ( GND ) or N.C ˧ PC MODE Off

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4.2. Inverter Input Pin Configuration

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Connector : YEONHO, 20022WR-14B1

Pin Configuration(FUNCTION)Pin No.

24 V1

24 V2

24 V3

24 V4

24 V5

GND6

GND7

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Backlight On /Off

4.3. Inverter Input Power Sequence

0.9 Vin

Vin (24V)

Dimming Control ( 0 ~ 3.3 V )

0.1 Vin

0.02sec [Min]

GND8

GND9

GND10

Error Out 11

[ON:2.4 – 5.25 V, OFF: 0 - 0.8 V]12

NC13

External PWM14

0.9 Vin

0.5sec [Min]

Backlight On/Off

0sec [Min]

2.4V(On level)

0.8V(Off level)

0sec [Min]

0.5sec [Min]

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

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

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4.4 LVDS Interface

- LVDS Receiver : Tcon (merged)

- Data Format (JEIDA & Normal)

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JEIDA -DATA

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Normal -DATALVDS pin

TxOUT/RxIN0

TxOUT/RxIN1

R4 R5 R6 R7 R8

R9 G4 G5 G6 G7 G8 G9

B4

B5

B6

B7

B8

R0TxIN/RxOUT0 R1TxIN/RxOUT1 R2TxIN/RxOUT2 R3TxIN/RxOUT3 R4TxIN/RxOUT4 R5TxIN/RxOUT6 G0TxIN/RxOUT7 G1TxIN/RxOUT8 G2TxIN/RxOUT9 G3TxIN/RxOUT12 G4TxIN/RxOUT13 G5TxIN/RxOUT14 B0TxIN/RxOUT15 B1TxIN/RxOUT18 B2TxIN/RxOUT19 B3TxIN/RxOUT20 B4TxIN/RxOUT21

TxOUT/RxIN2

TxOUT/RxIN3

TxOUT/RxIN4

B9

HSYNC VSYNC

DEN

R2

R3 G2 G3

B2

B3

RESERVED

R0

R1 G0 G1

B0

B1

B5TxIN/RxOUT22

HSYNCTxIN/RxOUT24

VSYNCTxIN/RxOUT25

DENTxIN/RxOUT26

R6TxIN/RxOUT27 R7TxIN/RxOUT5 G6TxIN/RxOUT10 G7TxIN/RxOUT11 B6TxIN/RxOUT16 B7TxIN/RxOUT17

RESERVEDTxIN/RxOUT23

R8TxIN/RxOUT28 R9TxIN/RxOUT29 G8TxIN/RxOUT30 G9TxIN/RxOUT31 B8TxIN/RxOUT32 B9TxIN/RxOUT33

RESERVED

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RESERVEDTxIN/RxOUT34

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

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COLOR

BASIC

COLOR

GRAY

SCALE

OF

D

RE

DISPLAY

(8bit)

UE

RK

DA

˦

˨

LIGHT

DATA SIGNAL

BLUEGREENRED

G8

R8

R9

0

000000000BL

0

1

A

11111MAGENT

1

0

:

1

G9

0

1

0

1

0

:

::::::::::::::::::

0

B7B6B5B4B3B2B1B0G7G6G5G4G3G2G1G0R7R6R5R4R3R2R1R0

00000000000000000000000BLACK

::::::::::::::::::::::::

::::::

GRAY SCALE LEVEL

B8

B9

0

-000000000000000000000000BLACK

1

-111111110000000

0

-000000001111111100000000GREEN

1

-111111111111111100000000CYAN

0

-000000000000000011111111RED

1

-1111111100000000111

0

-000000001111111111111111YELLOW

1

-111111111111111111111111WHITE

0

R00

0

R1000000000000000000000001

0

R2000000000000000000000010

:

R3~

R1020

:

0

R1021000000000000000011111101

0

R1022000000000000000011111110

0

R1023000000000000000011111111RED

ACK

RK

GRAY

SCALE

OF

GREEN

GRAY

SCALE

OF

BLUE

DA

˦

˨

LIGHT

000BLACK

DARK

˦

˨

LIGHT

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

0

:

:::::::

:

0

:

0

000000000000BL

0

:

1

0

:

0

G0000000000000

0

G1000000000000000100000000

0

G2000000000000001000000000

:

::::::::::::::::::::::::

:::::::::::::::::

0

::::::::::::::::::::::::

1

G3~

G1020

:

0

G1021000000001111110100000000

0

G1022000000001111111000000000

0

G1023000000001111111100000000GREEN

0

B0000000000000000000000

0

B1000000010000000000000000

0

B2000000100000000000000000

:

B3~

B1020

:

1

B1021111111010000000000000000

1

B1022111111100000000000000000

1

B1023111111110000000000000000BLUE

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5. Interface Timing

5.1 Timing Parameters ( DE mode )

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NOTEUnitMAX.TYP.MIN.SYMBOLITEMSIGNAL

Clock

Hsync

Vsync

Frequency

C

H

V

Active

Vertical

Display

Period

VD

Display Term

Vertical

Total

V

Active

Horizontal

Display

Period

HD

Display Term

Horizontal

Total

H

Note) This product is DE mode. The Hsync & Vsync signal must be inputted

-MHz305.0297.0260.01/T

-KHz140.0135.0120.0F

-Hz125.0120.095.0F

-Lines-1080-T

-Lines138011251092T

-Clocks-1920-T

-clocks234822002092T

(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 300KHz

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5.2 Timing diagrams of interface signal ( DE only mode )

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TV

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DE

DCLK

DATA

SIGNALS

TVD

TVB

TH

THD

TC

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DCLK

DISPLAY

DATA

DE

TC

TCH

TDS TDH

TES

TCL

0.5 V

CC

0.5 V

CC

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WU\G}

5.3 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.

1msec<T1˺10msec

0<T2˺50msec 0<T3˺50msec 1000msec˺T4

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T1 : VDDrising time from 10% to 90% T2 : The time from V T3 : The time from valid data off to V T4 : V

off time for Windows restart

DD

to valid data at power ON.

DD

off at power Off.

DD

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 V

DD

.

 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 V

= off level,

DD

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.  In Case T5 is less than 1000msec and T6 is less than 100msec,

Garbage Display can be seen. (It is not related to electrical function issue, Just for recommendation to prevent Garbage Display )

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6. Outline Dimension- Front

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6. Outline Dimension- Rear

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7. PACKING

7.1 CARTON (Internal Package)

(1) Packing Form

Corrugated fiberboard box and corrugated cardboard as shock absorber

(2) Packing Method

Packing

-Pallet Box

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Direction be able to open it

Cushion-Foam

LCD Module

Cushion-Foam

Pallet-Plastic

7.2 Packing Specification

LCD Packing

10ea / (Packing-

Pallet Box)

RemarkSpecificationItem

1. 90 kg / LCD (10ea)

2. 7 Kg / Cushion-pallet (2ea)

3. 6.7 Kg / Packing-Pallet Box (1ea)

4. Cushion-pallet Material : EPS

5. Packing-Pallet Box Material : DW4

1. Pallet weight = 8kg1Box / PalletPallet

VerticalPacking Direction

1150mm(H) x 985mm(V) x 609mm(height)H x V x heightTotal Pallet Size

Total Pallet

Weight

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111.7 kg

Pallet(8.0kg) + Module (90 kg) + Cushion (up + bottom =7kg) + Pallet-BOX(6.7kg)

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8. Reliability Test

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QuantityTest conditionItem

Temperature

Step Stress

ESD(operation)

Input Con.ESD

(Non-operation)

POWER ON/OFF

contact : ᇹ8 kV ,150Ꮔ/330ᇢ,200Point,1 time/Point

non-contact : ᇹ15 kV,150Ꮔ/330ᇢ,200Point,1 time/Point

4EA-20 ௥ 60ఁ, 10Cycle determination

4EA50ఁ, 500hr determinationHTOL

4EA0ఁ, 500hr determinationLTOL

4EA70ఁ, 500hr determinationHTS

4EA-30ఁ, 500hr determinationLTS

4EA40ఁ / 95%RH, 500hr determinationTHB

4EA60ఁ / 75%RH, 500hr determinationWHTS

4EA-20 ఁ ~ 60 ఁ, 200cycle determinationThermal Shock

3EA

3EAcontact : ᇹ2kV,150Ꮔ/330ᇢ,Input Con.Pin,3 times/Pin

4EA30sec (on) / 30sec(off) : 12,000 times

Shock

PALLET

Vibration

PALLET Drop

Half Sine, 50G, 11msec, ·X,Y 1time/axis

Half Sine, 50G, 11msec, ·Z 1time/axis

1.05Grms 5~200Hz 1hr

4 edge 1face(bottom) 20 cm

1PALLET(10EA)

[ Result Evaluation Criteria]

Under the display quality test conditions with normal operation state, these should be no change which may affect practical display functions.

* HTOL/ LTOL : High/Low Temperature Operating Life ** THB : Temperature Humidity Bias *** HTS/LTS : High/Low Temperature Storage **** WHTS : Wet High Temperature Storage

3EA10~300Hz/1.5G/10minSR, XYZ, 30min/axis Vibration

3EA

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9. MARKING & OTHERS

A nameplate bearing followed by is affixed to a shipped product at the specified location on each product.

(1) Part number : LTA400HF09 (2) Revision: Three letters (3) Lot number : X X X X XXX

(4) Nameplate Indication

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XX X

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

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T

LTA400HF09

0949

[[[[

(5) Packing box attach

[[[[[[[[[[ [[[

OWD733KI3<

Week code : 09 49

week year

40mm

Revision code

Lot number

80mm

100mm

Part number

[[[

43

Box serial number

165mm

(6) Others

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

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10. General Precautions

10.1 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 inverter 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 CCFT 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.

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(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 inverter & LVDS board

(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 handling a module

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

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10.2 Storage

(a) Do not leave the Module in high temperature, and high humidity for a long time.

It is highly recommended to store the Module with temperature from 0 to 35୅ and relative humidity of less than 70%.

(b) Do not store the TFT-LCD Module in direct sunlight.

(c) The Module should be stored in a dark place. It is prohibited to apply sunlight or

fluorescent light in storing.

10.3 Operation

(a) Do not connect or disconnect the Module in the "Power On" condition.

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(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 inverter power supply should

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

10.4 Operation Condition Guide

(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.

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10.5 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.

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(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.

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SAMSUNG LTA400HF09 Specification

Specifications and Main Features

Frequently Asked Questions

User Manual