SAMSUNG LTN156AT23-W01 Specification

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SAMSUNG TFT

MODEL NO : LTN156AT23

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Approval

TO

DATE

SAMSUNG TFT-LCD

MODEL NO : LTN156AT23-W

: China general

: Jan. 4. 2012

NOTE : Extension code [ -W ]

→ LTN156AT23-W

Surface type [ Glare ]

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

APPROVED BY :

PREPARED BY :

Khan Kim

Application Engineer part 1, LCD Business Dep.

SAMSUNG ELECTRONICS CO., LTD.

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CONTENTS

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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

----------

---------( 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

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. General Precautions

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

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

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

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REVISION HISTORY

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REVISION HISTORY

Approval

Date Revision No. Page

Jan. 4. 2012 A00 All The approval specification of 15.6” SMS HD was issued first.

Summary

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GENERAL DESCRIPTION

DESCRIPTION

LTN156AT23-W 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

GENERAL INFORMATION

Item Specification Unit Note

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

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) - 5.1 5.5 mm (1)

Weight - 430 450 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 qC (1), (5)

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 qC t Ta)
Maximum wet - bulb temperature at 39

TOPR 0 50 qC (1), (5)

O

C or less. (Ta ! 40 qC ) No condensation

Relative Humidity ( %RH)

100

90

80

60

40

20

-40 -20 0 20 40 60 80

Operating Range

Storage Range

5

0

Temperature (

O

C)

( 40,90 )

( 50,50.4 )

( 60,27.7 )

(2) 2ms, half sine wave, one time for rX, rY, r 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

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Approval

DD =3.3V, VSS = GND = 0V

V

Power Supply Voltage V

Logic Input Voltage V

Note (1) Within Ta (25 r 2 qC)

DD VDD – 0.3 VDD + 0.3 V (1)

DD VDD – 0.3 VDD + 0.3 V (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 r 2 qC, VDD=3.3V, fv= 60Hz, fDCLK = 70.7MHz, IL = 27mA

Item Symbol

Contrast Ratio

(5 Points)

Response Time at Ta

( Rising + Falling )

Average Luminance

of White (5 Points)

Red

Color

Green

Chromaticity

( CIE )

Blue

White

Conditio

n

CR

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

T

Min. Typ. Max

300 500 - -

YL,AVE 255 300 - cd/m

Unit Note

(1), (2),

IL=TBDmA

2

Normal

X

R

Viewing

0.570

Angle

Y 0.340

R

X 0.330

G

Y 0.560

G

X 0.160

B

Y 0.135

B

X 0.313

W

Y 0.329

W

I = 0
T = 0

Typ

-0.03

Typ

+0.03

-

(5)

(1), (4)

Viewing

Angle

Color Gamut - 45 - %

13 Points

White Variation

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Hor.

Ver.

T

L

T

R

CR t 10

H

I

L

I

L

G

40 45 -

40 45 -

15 15 -

Degrees (1), (5)

SR-3

30 30 -

- - 1.7 - (6)

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

C/R)

Normal Line
I = 0

o

,

T = 0

o

T L

T R

TL =90

o

I L

x

I H

y

12 O’clock
direction

IH= 90

6 O’clock
direction

IL= 90

o

x'y'

=90

T

R

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

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

Approval

o

o

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

CR =

5

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

4 9

5

7

10

Note 3) Definition of Response time :

Display data

White(TFT OFF)

TR

Black(TFT ON)

White(TFT OFF)

TF

100%

90%

Optical
Response

10%

0%

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

Time

(342) ( 683) (1024)

Average Luminance of White ( Y

L4 + YL5 + YL7 + YL9 + YL10

Y

L,AVE )

10

9

7

YL,AVE =

5

5

4

: test point

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