Samsung LTN-156AT24-W Datasheet

Approval

TO
DATE

SAMSUNG TFT-LCD

:
: Oct, 11. 2011

MODEL NO : LTN156AT24-W

NOTE : Extension code [ -W ]

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Surface type [ Glare ]

→ LTN156AT24-W**

Any modification of Spec is not allowed without SEC’s permission

APPROVED BY :

PREPARED BY :

Application Engineer Group

SAMSUNG ELECTRONICS CO., LTD.

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Jina Kim

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CONTENTS

Approval

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

4.2 Back-Light Unit

5. Input Terminal Pin Assignment

5.1 Input Signal & Power

5.2 LVDS Interface

5.3 Timing Diagrams of LVDS For Transmitting

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

5.5 Pixel format

- - - - - - - - - - - - - - - - - - - ( 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

11. EDID

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

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

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

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

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

- - - - - - - - - - - - - - - - - - - ( 31 )

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REVISION HISTORY

Approval

Date Revision No. Page

Oct, 11, 2011 A00 The Approval specification of LTN156AT24-W was issued first.

Summary

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Approval

GENERAL DESCRIPTION

DESCRIPTION

LTN156AT24-P 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 system. The resolution of a 15.6" contains
1366 x 768 pixels and can display up to 262,144 colors. 6 O'clock direction is the Optimum

viewing angle.

FEATURES

• Thin and light weight

• High contrast ratio, high aperture structure

• 1366 x 768 pixels resolution (16:9)

• Fast Response Time

• Low power consumption

• LED BLU Structure

• DE (Data enable) only mode

• 3.3V LVDS Interface

• On board EDID chip

• Pb-free product

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 344.232 (H) x 193.536 (V) (15.6”diagonal) mm
Driver element a-Si TFT active matrix
Display colors 262,144
Number of pixel 1366 x 768 pixel
Pixel arrangement RGB vertical stripe
Pixel pitch 0.252 (H) x 0.252 (V) (TYP.) mm

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Item Specification Unit Note

16 : 9

Display Mode Normally white
Surface treatment Haze 0, Hardness 3H

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Mechanical Information

Item Min. Typ. Max. Unit Note

Horizontal (H) 358.8 359.3 359.8 mm

Module

size

Note (1) Measurement condition of outline dimension

Vertical (V) 209.0 209.5 210 mm

Depth (D) - - 5.5 mm (1)

Weight - - 450 g

. Equipment : Vernier 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)

Approval

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

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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 )

Approval

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 = 78.05 MHz

Item Symbol

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

Conditio

n

CR

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

YL,AVE 190 220 - cd/m

Normal

RX
RY 0.355
GX 0.335
GY 0.610

BX 0.150
BY 0.100

Viewing

Angle

 = 0
 = 0

Min. Typ. Max Unit Note

300 400 -

0.615

TYP

-0.03

+0.03

TYP

2

-

(1), (2),

(5)

IL=115mA

(1), (4)

WX 0.313

White

WY 0.329

L

Hor.

Viewing

Angle

Ver.

Color Gamut - 60 - %

13 Points

White Variation

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R

CR  10

H

L

L

Doc.No. Rev.No

40 45 ­40 45 ­15 15 ­30 30 -

- - 1.7 - (6)

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Degrees (1), (5)

SR-3

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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

Approval

12 O’clock

y

direction



= 90

H

o

6 O’clock

direction



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

at 5 points (33, 55, 77, 37, 73)

Note 3) Definition of Response time :

Display data

Optical
Response

o

= 90

L

CR(33) + CR(55) + CR(77) + CR(37) + CR(73)

CR =

Points : 33, 55, 77, 37, 73 at the figure of Note (6).

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100%

White(TFT OFF) White(TFT OFF)

90%

10%

0%

5

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.

(30%) (50%) (70%)

Average Luminance of White ( YL,AVE )

YL33 + YL55 + YL77 + YL37 + YL73

YL,AVE =

5

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55

73

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77

Time

VIEW AREA

(30%)
(50%)

(70%)

: test point

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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.
LED current : 115.0mA
Environment condition : Ta = 25  2 C

Photo-detector

( TOPCON SR-3 )

Field = 2

TFT-LCD module

Center of the screen

[ Optical characteristics measurement setup ]

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

Maximum luminance of 13 points

 L =

10mm

Minimum luminance of 13 points

10mm

25% 50%

13 12

50 cm

1 13

75%

LCD panel

10mm

11

10

8

5

3

10mm

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25%

6

50%

75%

1

: test point

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3. ELECTRICAL CHARACTERISTICS

3.1 TFT LCD MODULE

Item Symbol Min. Typ. Max. Unit Note

Voltage of Power Supply VDD 3.0 3.3 3.6 V

Approval

Ta= 25  2C

Differential Input

Voltage for LVDS

Receiver Threshold

Vsync Frequency fv - 60 - Hz

Main Frequency fDCLK - 78.05 - MHz

Rush Current IRUSH - - 1.5 A (4)

Current of Power

Supply

Note (1) Display data pins and timing signal pins should be connected.( GND = 0V )

(2) fV = 60Hz, fDCLK = 78.05 MHZ, VDD = 3.3V , DC Current.
(3) Power dissipation pattern

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*a) White Pattern *b) Mosaic Pattern

High VIH - - +100 mV VCM = +1.2V

Low VIL -100 - - mV

White

Mosaic - 240

V. Stripe - 400 450

IDD

-

240 - mA

264 mA

mA

(2),(3)*a
(2),(3)*b
(2),(3)*c

VIEW AREA

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Display Brightest Gray Level

Display Darkest Gray Level

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