Samsung LTN-156AT19-W Datasheet

Approval

TO
DATE : : Oct. 11 , 2011

SAMSUNG TFT-LCD

MODEL NO. : LTN156AT19-W

NOTE : Extension code [ - Wxx ]

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

Application engineering part, Mobile Division

→ LTN156AT19- Wxx

Surface type [ A/G ]

Samsung Electronics Co., Ltd.

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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 LED Placement Structure

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 Pixel format

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

- - - - - - - - - - - - - - - - - - - ( 222 )

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

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

-- - - - - - - - - - - - - - - - - - ( 27 )

-- - - - - - - - - - - - - - - - - - ( 29 )

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REVISION HISTORY

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Date Revision No. Page

Oct, 11. 2011 A00 All The approval specification of 15.6” SMS HD was issued first.

Summary

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GENERAL DESCRIPTION

DESCRIPTION

LTN156AT19 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 15.6” contains 1366 x 768 pixels and can display up to 262,144colors.

6 O'clock direction is the optimum viewing angle.

FEATURES

• High contrast ratio

• HD(1366 x 768 pixels ) resolution

• Fast Response

• LED Back Light with embedded LED Driver

• DE (Data enable) only mode

• 3.3V LVDS Interface

• Onboard EEDID chip

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

Item Specification Unit Note

Display area 344.232 (H) x 193.536 (V) (15.6”diagonal)

Driver element

Display colors
Number of pixel
Pixel arrangement

Pixel pitch 0.252 (H) x 0.252 (V) (TYP.)

a-Si TFT active matrix

262,144

1366 * 768 pixel

RGB vertical stripe

mm

mm

Display Mode
Surface treatment

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Normally white

Haze 25%, Hardness 2H

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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) 209.0 209.5 210.0 mm

Depth (D) - - 4.0 mm

Weight - - 430 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)

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)

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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 )

(2) BACK-LIGHT UNIT

Item Symbol Min. Typ. Max. Unit Note

Approval

VDD =3.3V, VSS = GND = 0V

Ta = 25  2 C

LED Current IL - 22 -

LED Voltage VL - 3.2 - V (1)

Note 1) Permanent damage to the device may occur if maximum values are exceeded

Functional operation should be restricted to the conditions described under normal operating conditions.

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mArm

s

(1)

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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 = 70.7MHz, IF = 100% duty

Item Symbol

Contrast Ratio

(5 Points)

Response Time at Ta

( Rising + Falling )

Average Luminance

of White (5 Points)

Red

Green

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Color

Chromaticity

( CIE )

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Blue

White

Conditio

n

CR

TRT - 16 25 msec (1), (3)

YL,AVE 200 220 - cd/m

Normal

RX

RY 0.340

GX 0.330

GY 0.560

BX 0.160

BY 0.135

WX 0.313

WY 0.329

Viewing

Angle

 = 0
 = 0

Min. Typ. Max Unit Note

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

IF=100%

Typ-

0.03

0.570

Typ

+0.03

2

-

duty

(1), (4)

(1), (5)

SR-3

L

Hor.

Viewing

Angle

Ver.

Color Gamut CG - 45 - %

13 Points

White Variation

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H

H

L

L

CR  10

At center

Doc.No. Rev.No

40 45 -

40 45 -

15 15 -

30 30- -

- - 2.0 - (6)

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

Normal Line

o

,

 = 0

o

 R

 = 0

 L

 L

L

=90

o

x



 H

Approval

12 O’clock

y

direction



= 90

H

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.

25% 50% 75%

Average Luminance of White ( YL,AVE )

YL4 + YL5 + YL7 + YL9 + YL10

YL,AVE =

5

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7

5

4

: test point

Time

VIEW AREA

25%

50%

75%

(lines)

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Approval

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 : 22mA
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 =

10mm

Minimum luminance of 13 points

10mm

13 12

25% 50% 75%

10

9

LCD panel

1 13

10mm

11

25%

8

5

3

10mm

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50%

75%

(lines)

1

: test point

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3. ELECTRICAL CHARACTERISTICS

Approval

3.1 TFT LCD MODULE

Item Symbol Min. Typ. Max. Unit Note

Voltage of Power Supply VDD 3.0 3.3 3.6 V

Differential Input

Voltage for LVDS

Receiver Threshold

Vsync Frequency fv - 60 - Hz

Main Frequency fDCLK 66.14 70.7 83.88 MHz -

Rush Current IRUSH - - 1.5 A (4)

Current of Power

Supply

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

Low VIL -100 - - mV

White

Mosaic - 230 - mA

V.stripe - 300 350 mA

IDD

- 230 - mA

Ta= 25  2C

*a),b),c)

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

(2) fV = 60Hz, fDCLK = 72.33MHZ, VDD = 3.3V , DC Current.
(3) Power dissipation pattern

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*a) White Pattern *b) Mosaic Pattern

VIEW AREA

Display Brightest Gray Level

Display Darkest Gray Level

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