Samsung LTN-140AT16-2 Datasheet

TO

: Dell

DATE

SAMSUNG TFT-LCD

: January. 7, 2011

MODEL NO. : LTN140AT16

NOTE : Extension code [ -2 ]

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→ LTN140AT16-2

Surface type [ Anti glare ]

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

APPROVED BY :

PREPARED BY : Application engineering group, TCS team

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

5. Input Terminal Pin Assignment

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

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5.6 LED Driver Connector & Pin Assignment

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

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

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

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

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

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

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

6. Interface Timing

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

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

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

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

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

-- - - - - - - - - - - - - - - - - - ( 25 )

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REVISION HISTORY

Date Revision No. Page

May. 31. 2010 P00 All The specification of LTN140AT16-2 model was issued first.

Summary

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GENERAL DESCRIPTION

DESCRIPTION

LTN140AT16 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)

APPLICATIONS

• Notebook PC

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

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GENERAL INFORMATION

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

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Item Specification Unit Note

309.399(H) x 173.952(V) ( 14.0” HD diagonal ) mm

a-Si TFT active matrix

262,144

1366 x 768 pixel 16:9

RGB vertical stripe

0.2265(H) x 0.2265(V) (TYP.) mm

Normally white

Surface treatment

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Mechanical Information

Item Min. Typ. Max. Unit Note

Horizontal (H) 323.0 323.5 324.0 mm

Module

size

Note (1) Measurement condition of outline dimension

Vertical (V) 191.5 192.0 192.5 mm

Depth (D) - - 5.2 mm (1)

Weight - 330 350 g

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

1. ABSOLUTE MAXIMUM RATINGS

1.1 ENVIRONMENTAL ABSOLUTE RATINGS

Item Symbol Min. Max. Unit Note

Storage temperate TSTG -20 60 C (1)

Operating temperate

(Temperature of glass surface)

Shock ( non-operating ) Snop - 240 G (2),(4)

Vibration (non-operating) Vnop - 2.41 G (3),(4)

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

95 % RH Max. (40 C  Ta)

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Maximum wet - bulb temperature at 39 OC or less. (Ta  40 C ) No condensation

100

90

80

60

40

20

0

-40 -20 0 20 40 60 80

TOPR 0 50 C (1)

Relative Humidity ( %RH)

( 40,90 )

Operating Range

Storage Range

5

( 50,50.4 )

( 60,27.7 )

Temperature (OC)

(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

Item Symbol Min. Max. Unit Note

Power Supply Voltage VDD VDD - 0.3 VDD + 0.3 V (1)

Logic Input Voltage VIN VDD - 0.3 VDD + 0.3 V (1)

Note (1) Within Ta (25  2 C )

VDD =3.3V, VSS = GND = 0V

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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

* Ta = 25  2 C, VDD=3.3V, fv= 60Hz, fDCLK = 72.33MHz, IF = 24.5 mA

Item Symbol Condition Min. Typ. Max Unit Note

Contrast Ratio

(5 Points)

Response Time at Ta

( Rising + Falling )

Average Luminance
of White (5 Points)

Red

Color

Chromaticity

( CIE )

Green

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Blue

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White

CR

TRT - 8 16 msec (1), (3)

YL,AVE 170 200 - cd/m

RX 0.550 0.580 0.610
RY 0.310 0.340 0.370
GX 0.305 0.335 0.365
GY 0.520 0.550 0.580
BX 0.120 0.150 0.180

BY 0.055 0.085 0.115
WX 0.283 0.313 0.343
WY 0.299 0.329 0.359

Normal

Viewing

Angle

 = 0
 = 0

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

IF=24.5mA

2

(1), (4)

-

(1), (5)

SR-3

Color Gamut 42 45 - %

L

Hor.

Viewing

Angle

13 Points

White Variation

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Hor.

Ver.

H

H

L

L

R

H

L

L

CR  10

At center

CR  100

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40 - ­40 - ­15 - ­30 - ­25 - ­25 - -

5 - -

15 - -

- - 1.54 - (6)

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Degrees

(1), (5)

Degrees

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Note 1) Definition of Viewing Angle : Viewing angle range(10  C/R)

Normal Line

o

 = 0

 L

 L

L

=90

o

x



 H

,

 = 0

o

 R

12 O’clock

direction

y



H

= 90

o

6 O’clock

direction

o



= 90

L

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

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

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

CR =

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

Note 3) Definition of Response time :

Display data

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Optical
Response

4 9

100%

90%

10%

0%

5

White(TFT OFF) White(TFT OFF)

7

5

10

Black(TFT ON)

TR

x'y'



=90

R

TF

o

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

342 683 1024

Average Luminance of White ( YL,AVE )

YL4 + YL5 + YL7 + YL9 + YL10

YL,AVE =

5

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5

4

: test point

Time

VIEW AREA
192

384

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 )

Field = 2

50 cm

TFT-LCD module

Center of the screen

[ Optical characteristics measurement setup ]

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

Maximum luminance of 13 points

 L =

Minimum luminance of 13 points

LCD panel

1 13

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