Samsung LTN-154AT12-401 Datasheet

Preliminary

TO
DATE :: Jun. 19. 2009.

SAMSUNG TFT-LCD

SAMSUNG TFT-LCD

MODEL NO. : LTN154AT12-401

MODEL NO. : LTN154AT12-401

NOTE :

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-

Extension code [ -4 ] ; LTN154AT12-401

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- Surface type [ Anti-Glare ]

Any Modification of Specification is not allowed without SEC's Permission.

SAMSUNG ELECTRONICS CO., LTD.

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CONTENTS

Preliminary

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

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 FPC 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 Precaution

11. EDID

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

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

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

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

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

- - - - - - - - - - - - - - - - - - - ( 30 )

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REVISION HISTORY

REVISION HISTORY

Date Revision No. Page Summary

Oct. 31. 2008 P00 All LTN154AT12-X Model spec was issued first

Nov.17.2008 P01 All LTN154AT12-401 Model name fixed.

FPC Connector pin map was updated .20P02Dec.26.2008

Preliminary

P03Jan. 7. 2009

P04Jan.9.2009

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12
24
26
29

12
24

LED forward current was updated.
Outline drawing was updated.
Product Markings and Others( Error-typo correction )
EDID was updated

Back-light Unit was updated
Outline drawing was updated.

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Preliminary

GENERAL DESCRIPTION

DESCRIPTION

LTN154AT12 is a color active matrix TFT (Thin Film Transistor) liquid crystal display
(LCD) that uses amorphous silicon TFT as a switching devices. This model is composed of
a TFT LCD panel, a driver circuit and a backlight unit. The resolution of a 15.4" contains
1,280 x 800 pixels and can display up to 262,144 colors. 6 O'clock direction is the Optimum

viewing angle.

FEATURES

• High contrast ratio, high aperture structure

• 1280 x 800 pixels resolution

• Low power consumption

• Fast Response

• DE(Data enable) only mode

• 3.3V LVDS Interface

• Onboard EEDID chip

• LED BLU

• Color gamut 45%

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

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Item Specification Unit Note

331.2(H) x 207.0(V) (15.4” diagonal ) mm

a-Si TFT active matrix

262,144

1280 x RGB(3) x 800 pixel 16 : 10

RGB vertical stripe

0.2588(H) x 0.2588(V) (TYP.) mm

Display Mode

Surface treatment HAZE 25, HARD-COATING 3H, AG

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Mechanical Information

Item Min. Typ. Max. Unit Note

Horizontal (H) 343.5 344.0 344.5 mm

Module

size

Note (1) Measurement condition of outline dimension

Vertical (V) 221.5 222.0 222.6 mm

Depth (D) - - 6.5 mm (1)

Weight - 560 (575) g

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

1. ABSOLUTE MAXIMUM RATINGS

1.1 ENVIRONMENTAL ABSOLUTE RATINGS

Item Symbol Min. Max. Unit Note

Preliminary

Storage temperate T

Operating temperate

(Temperature of glass surface)

Shock ( non-operating ) Snop -

Vibration (non-operating) Vnop - 2.41 G (4),(5)

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

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95 % RH Max. ( 40 OC ≥ Ta)

Maximum wet - bulb temperature at 39 OC or less. (Ta > 40 OC) No condensation.
(2) 3ms, half sine wave, one time for ±X,±Y,±Z.
(3) 18ms, Trapezoidal wave, one time for ±X,±Y,±Z.
(4) 5~500 Hz, Random vibration, 30 min for X,Y,Z.
(5) 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.

100

95

80

60

STG

T

OPR

Relative Humidity ( %RH)

Operating Range

-20 60 °C (1)

0 50 °C (1)

210

G

50 (3),(5)

(2),(5)

40

20

8

Storage Range

5

0

-40 -20 0 20 40 60 80

Temperature (OC)

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1.2 ELECTRICAL ABSOLUTE RATINGS
(1) TFT LCD MODULE

Preliminary

Item Symbol Min. Max. Unit Note

Power Supply Voltage V

Logic Input Voltage V

Note (1) Within Ta (25 ± 2 °C )

DD

DD

V

DD

– 0.3 V

V

DD

– 0.3 V

VDD=3.3V, V

DD

+ 0.3 V (1)

DD

+ 0.3 V (1)

SS

= GND = 0V

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Preliminary

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 BM-5A and PR-650

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

Blue

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* Ta = 25 ± 2 °C, VDD=3.3V, fv= 60Hz, f

CR - 300 - -

T

RT_B/W

YL,

R
R
G
G
B
B

AVE

X

Y

X

Y

X

Y

Normal

Viewing

Angle

φ = 0
θ = 0

- 16 25 msec (1), (3)

190 220 - cd/m

(0.535) (0.585) (0.635)
(0.291) (0.341) (0.391)
(0.292) (0.342) (0.392)
(0.512) (0.562) (0.612)
(0.101) (0.151) (0.201)
(0.063) (0.113) (0.163)

DCLK

= 72.2 MHz

AG

(1), (2), (5)

2

-

(1), (4)

(1), (5)

PR-650

Viewing

Angle

13 Points

White Variation

5 Points

White Variation

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White

Hor.

Ver.

W
W

X

Y

θ

L

θ

H

CR ≥ 10

φ

H

φ

L

δ

L

δ

L

0.283 0.313 0.343

0.299 0.329 0.359

- 45 -

- 45 -

- 15 -

- 35 -

60% - (1.7) - (6)

80% - - % (6)

Degrees (1), (5)

BM-5A

%45%Color gamut

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

Normal Line

o

φ = 0

,

θ = 0

θ

L

φ

H

θL =90

φ

o

x

L

≤≤≤≤

C/R, 100

o

θ

R

≤≤≤≤

C/R )

y

Preliminary

12 O’clock
direction

φH= 90

o

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)

Note 3) Definition of Response time :

Display data

Optical
Response

o

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

CR =

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

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4 9

100%

90%

10%

0%

5

Gray 32(TFT OFF) Gray 32(TFT OFF)

White(TFT OFF) White(TFT OFF)

7

5

10

Gray 48 (TFT ON)

Black(TFT ON)

T

R

x'y'

θR=90

T

F

o

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

(320) ( 640) (960)

Average Luminance of White ( Y

YL4+ YL5+ YL7+ YL9+ Y

Y

L,AVE

=

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L,AVE

)

L10

10

9

7

5

4

: test point

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Time

VIEW AREA

(200)

(400)
(600)

(lines)

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Preliminary

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.

Environment condition : Ta = 25 ± 2 °C

Photo-detector

( TOPCON BM-5A

PR-650 )

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 (

Maximum luminance of 13 points

δL=

Minimum luminance of 13 points

10mm

10mm

13 12

320 640

10

δ

L

), CR variation( C

960

LCD panel

VER

) [ ~ ]

1 13

10mm

11

9

200

8

5

3

10mm

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400

600

(lines)

1

: test point

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3. ELECTRICAL CHARACTERISTICS

3.1 TFT LCD MODULE

Item Symbol Min. Typ. Max. Unit Note

Preliminary

Ta= 25 ± 2°C

Voltage of Power Supply V

Differential Input

Voltage for LVDS

Receiver Threshold

Vsync Frequency fv - (60) - Hz
Hsync Frequency f

Main Frequency f

Rush Current I

Current of Power

Supply

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

(2) fV= 60Hz, f
(3) Power dissipation pattern

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High V

Low V

White

Mosaic - (350) - mA (2),(3)*b

V. stripe - (450) (520) mA (2),(3)*c

DCLK

= 72.2MHz, VDD= 3.3V , DC Current.

DD

IH

IL

H

DCLK

RUSH

I

DD

3.0 3.3 3.6 V

- - +100 mV V

-100 - - mV

- (50.04) - KHz

- (72.2) (85) MHz

- - (1.5) A (4)

- (300) - mA (2),(3)*a

CM

= +1.2V

*a) White Pattern *b) Mosaic Pattern

VIEW AREA

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Display Brightest Gray Level

Display Darkest Gray Level

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