SAMSUNG LTN140AT07-301 Specification

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Approval

TO
DATE

SAMSUNG TFT-LCD

SAMSUNG TFT-LCD

MODEL NO. : LTN140AT07-301

MODEL NO. : LTN140AT07-301

:
: Jun. 4, 2009

NOTE : Extension code [ -301 ]

→ LTN140AT07-301

Surface type [ Anti Glare ]

Any Modification of Spec is not allowed without SEC’ permission.

APPROVED BY :

PREPARED BY :

Technical Customer Support Team, LCD Division

Samsung Electronics Co., Ltd.

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CONTENTS

Revision History
General Description

1. Absolute Maximum Ratings

1.1 Absolute Ratings of environment

1.2 Electrical Absolute Ratings

2. Optical Characteristics

3. Electrical Characteristics

3.1 TFT LCD Module

3.2 Backlight Unit

3.3 LED Driver

4. Block Diagram

4.1 TFT LCD Module

Approval

- - - - - - - - - - - - - - - - - - - ( 3 )

- - - - - - - - - - - - - - - - - - - ( 4 )

- - - - - - - - - - - - - - - - - - - ( 5 )

- - - - - - - - - - - - - - - - - - - ( 7 )

- - - - - - - - - - - - - - - - - - - ( 10 )

- - - - - - - - - - - - - - - - - - - ( 13 )

5. Input Terminal Pin Assignment

- - - - - - - - - - - - - - - - - - - ( 14 )

5.1 Input Signal & Power

5.2 LVDS Interface

5.3 Timing Diagrams of LVDS For Transmitting

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

5.5 Pixel format

5.6 LED Driver Connector & Pin Assignment

6. Interface Timing

- - - - - - - - - - - - - - - - - - - ( 19 )

6.1 Timing Parameters

6.2 Timing Diagrams of interface Signal

6.3 Power ON/OFF Sequence

7. Outline Dimension

8. Packing

9. Markings & Others

10. General Precautions

- - - - - - - - - - - - - - - - - - - ( 21 )

-- - - - - - - - - - - - - - - - - - ( 23 )

-- - - - - - - - - - - - - - - - - - ( 24 )

- - - - - - - - - - - - - - - - - - - ( 26 )

11. EDID

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- - - - - - - - - - - - - - - - - - - ( 28 )

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REVISION HISTORY

REVISION HISTORY

AllA00Jun. 4, 2009

The approval specification of LTN140AT07-301 model was issued
first.

Approval

SummaryPageRevision No.Date

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GENERAL DESCRIPTION

DESCRIPTION

LTN140AT07 is a color active matrix TFT (Thin Film Transistor) liquid crystal display
(LCD) that uses amorphous silicon TFT as switching devices. This model is composed of a
TFT LCD panel, a driver circuit and a backlight unit. The resolution of a 14.0" contains
1366 x 768 pixels and can display up to 262,144 colors. 6 O'clock direction is the optimum

viewing angle.

FEATURES

• High contrast ratio

• HD (1366 x 768 pixels ) resolution

• Low power consumption

• Fast response time

• LED Back Light with embedded LED Driver

• DE (Data enable) only mode

• 3.3V LVDS Interface

• Onboard EEDID chip

• Green product (RoHS compliant)

Approval

APPLICATIONS

• Notebook PC

• If the usage of this product is not for PC application, but for others, please contact SEC

GENERAL INFORMATION

Display area
Driver element
Display colors
Number of pixel
Pixel arrangement
Pixel pitch
Display Mode

a-Si TFT active matrix

262,144

RGB vertical stripe

Normally white

mm309.399(H) x 173.952(V) ( 14.0” HD diagonal )

mm0.2265(H) x 0.2265(V) (TYP.)

NoteUnitSpecificationItem

16:9pixel1366 x 768

Surface treatment

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Haze 25%, Hard-Coating 3H

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Mechanical Information

Approval

Module

size

Note (1) Measurement condition of outline dimension

Vertical (V)

. Equipment : Bernier Calipers
. Push Force : 500g ⋅f (minimum)

1. ABSOLUTE MAXIMUM RATINGS

1.1 ENVIRONMENTAL ABSOLUTE RATINGS

Operating temperate

(Temperature of glass surface)

Max.

324.0

5.2

350

NoteUnitTyp.Min.Item

mm323.5323.0Horizontal (H)
mm192.5192.0191.5

(1)mm--Depth (D)

g330-Weight

NoteUnitMax.Min.SymbolItem

(1)°C60-20 TSTGStorage temperate

(1)°C500TOPR

Note (1) Temperature and relative humidity range are shown in the figure below.

95 % RH Max. (40 °C ≥ Ta)
Maximum wet - bulb temperature at 39 OC or less. (Ta > 40 °C ) No condensation

100

Relative Humidity ( %RH)

90

80

60

40

20

Operating Range

( 40,90 )

( 50,50.4 )

( 60,27.7 )

Storage Range

5

0

-40 -20 0 20 40 60 80

Temperature (OC)

(2),(4)G240-SnopShock ( non-operating )
(3),(4)G2.41-VnopVibration (non-operating)

(2) 2ms, half sine wave, one time for ±X, ±Y, ± Z.
(3) 5 - 500 Hz, random vibration, 30min for X, Y, Z.
(4) At testing Vibration and Shock, the fixture in holding the Module to be tested have to be

hard and rigid enough so that the Module would not be twisted or bent by the fixture.

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1.2 ELECTRICAL ABSOLUTE RATINGS
(1) TFT LCD MODULE

Note (1) Within Ta (25 ± 2 °C )

Approval

VDD =3.3V, VSS = GND = 0V

NoteUnitMax.Min.SymbolItem

(1)VVDD + 0.3VDD - 0.3VDDPower Supply Voltage
(1)VVDD + 0.3VDD - 0.3VINLogic Input Voltage

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2. OPTICAL CHARACTERISTICS

The following items are measured under stable conditions. The optical characteristics
should be measured in a dark room or equivalent state with the methods shown in Note (5).
Measuring equipment : TOPCON SR-3

Approval

* Ta = 25 ± 2 °C, VDD=3.3V, fv= 60Hz, fDCLK = 69.3MHz, IF = 20.0 mA

Contrast Ratio

(5 Points)

Response Time at Ta

( Rising + Falling )

Average Luminance
of White (5 Points)

Red

Green

Color

Chromaticity

( CIE )

Blue

CR

Normal

Viewing

Angle

φ = 0
θ = 0

Unit

-

msec

2

-200170YL,AVE

0.6400.6100.580RX

0.3700.3400.310RY

0.3650.3350.305GX

0.6200.5900.560GY

0.1800.1500.120BX

0.1150.0850.055BY

cd/m

-

NoteMaxTyp.Min.ConditionSymbolItem

(1), (2), (5)--300

(1), (3)168-TRT

IF=20.0mA

(1), (4)

(1), (5)

SR-3

White

θL

Hor.

Viewing

Angle

Ver.

13 Points

White Variation

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CR ≥ 10

At center

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0.3430.3130.283WX

0.3590.3290.299WY

-4530

-4530θH

-1510φH

-3520φL

Degrees

-

Page

(1), (5)

SR-3

(6)1.61.4-δL

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Note 1) Definition of Viewing Angle : Viewing angle range(10 ≤

Normal Line

φ = 0

θ L

φ L

5

o

CR =

o

x

CR(4) + CR(5) + CR(7) + CR(9) + CR(10)

θL =90

6 O’clock
direction

φL= 90

Note 2) Definition of Contrast Ratio (CR) : Ratio of gray max (Gmax) ,gray min (Gmin)

at 5 points(4, 5, 7, 9, 10)

φ H

o

,

θ = 0

≤ C/R)

≤≤

o

θ R

12 O’clock

y

direction

φH= 90

x'y'

θR=90

Approval

o

o

Points : , , , , at the figure of Note (6).

Note 3) Definition of Response time :

Display data

Optical
Response

Note 4) Definition of Average Luminance of White : measure the luminance of white at 5 points.

Average Luminance of White ( YL,AVE )

4 9

100%

90%

10%

0%

5

White(TFT OFF) White(TFT OFF)

7

TR

10

Black(TFT ON)

342 683 1024

10

TF

VIEW AREA

9

192

Time

YL4 + YL5 + YL7 + YL9 + YL10

YL,AVE =

5

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: test point

384

4

576

(lines)

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Note 5) After stabilizing and leaving the panel alone at a given temperature for 30 min , the measurement

should be executed. Measurement should be executed in a stable, windless,and dark room.
30 min after lighting the backlight. This should be measured in the center of screen.
IF current : 20.0mA
Environment condition : Ta = 25 ± 2 °C

Photo-detector

( TOPCON SR-3 )

Approval

Field = 2°

50 cm

TFT-LCD module

Center of the screen

[ Optical characteristics measurement setup ]

Note 6) Definition of 13 points white variation (δ L ), CR variation( CVER ) [ ~ ]

Maximum luminance of 13 points

LCD panel

1 13

δ L =

Minimum luminance of 13 points

10mm

11

192

10mm

10mm

342 683

13 12

10

1024

9

8

5

3

10mm

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384

576

(lines)

1

: test point

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