Samsung LTN-140KT09-8 Datasheet

Approval

TO
DATE

SAMSUNG TFT-LCD

: IT Solution
: Sep. 19, 2011.

MODEL NO. : LTN140KT09-8

NOTE : Extension code [ -8** ]

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→ LTN140KT09-8**

Surface type [ Anti-Glare ]

The information described in this SPEC is preliminary and can be changed without prior notice.

APPROVED BY :

Khan Kim

PREPARED BY :

Application Engineer Group

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

5. Input Terminal Pin Assignment

5.1 Input Signal & Power & Pin assignment

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

- - - - - - - - - - - - - - - - - - - ( 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. Marking & Others

10. General Precaution

11. Appendix
Appendix A. EDID
Appendix B. MTBF Data
Appendix C. Safety Approval
Appendix D. Pogo Test Result
Appendix E. Key Part List
Appendix F. Impedance Test Result

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

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

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

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

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

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

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SPEC REVISION HISTORY

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Date Revision No. Page

July. 04, 2011 P00 All The preliminary specification of LTN140KT09-8 was issued first.

Aug. 19, 2011 A00 All The approval specification was issued first.

Summary

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CODE REVISION HISTORY

Date Model. Revision No. Summary MP or EOL

July. 04, 2011

LTN140KT09

801 Basic model From August. 2011 ~

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GENERAL DESCRIPTION

DESCRIPTION

LTN140KT09 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
1600X900pixels and can display up to 16.2M colors. 6 O'clock direction is the optimum

viewing angle.

FEATURES

• High contrast ratio

• HD+ (1600 x 900 pixels ) resolution

• Fast Response

• LED Back Light with embedded LED Driver

• DE (Data enable) only mode

• 3.3V LVDS Interface

• Onboard EEDID chip

• Green product (RoHS compliant)

• APS function

• 6bit-FRC

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

309.6H) x 174.15(V) ( 14.0” diagonal ) mm

a-Si TFT active matrix

16.2M

1600 x 900 pixel

RGB vertical stripe

0.1935(H) x 0.1935(V) (TYP.) mm

Display Mode
Surface treatment

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Normally white

Haze 25%, Hard-Coating 3H Anti-glare

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Mechanical Information

Item Min. Typ. Max. Unit Note

Horizontal (H) 323 323.5 324 mm

Approval

Module

size

Note (1) Measurement condition of outline dimension

Vertical (V)

Depth (D) - - 4.0 mm (1) Body area

Weight - - 355 g

. Equipment : Bernier Calipers
. Push Force : 750 ± 250 g f

191.4 191.9 192.4 mm Module ~ Module

204.4 204.9 205.4 mm Outsize with Frange

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)

TOPR 0 50 C (1)

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

Relative Humidity ( %RH)

100

90

80

60

Operating Range

40

20

( 40,90 )

( 50,50.4)

( 60,27.7)

Storage Range

5

-40 -20 0 20 40 60 80

0

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 , Duty = 100%

LED Current I
LED Voltage F

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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L

L

- 25 - mA (1)

3.0 3.2 3.4 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  2 C, VDD=3.3V, fv= 60Hz, fDCLK = 50.2MHz, IF = 25mA

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

Green

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Color

Chromaticity

( CIE )

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Blue

CR

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

YL,AVE 255 300 - cd/m

Normal

RX

RY

GX
GY
BX

BY

Viewing

Angle

 = 0
 = 0

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

IF=25mA

(1), (4)

(1), (5)

SR-3

TYP

-0.03

0.575

0.345

0.330

0.558

0.160

0.120

TYP

+0.03

2

-

WX

White

WY

L

Hor.

Viewing

Angle

Ver.

13 Points

White Variation

Color Gamut CG - 45 - %

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R

H

L

L

CR  10

At center

Doc.No. Rev.No

0.313

0.329

40

40

10

25

- - 2.0 - (6)

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45

45

15

30

-

-

Degrees

-

-

(1), (5)

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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



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

= 90

L

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

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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5

4

: test point

Time

VIEW AREA

25%

50%
75%

(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 : 25 mA
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

25% 50%

13 12

10

75%

9

LCD panel

1 13

10mm

11

25%

8

5

3

10mm

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1

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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 - 50.2 - MHz 2CH

Rush Current IRUSH - - 1.5 A (4)

Current of Power

Supply

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

Low VIL -100 - - mV

White

Mosaic -

IDD

Black -

V.Stripe - 540

-

330 -

330 -

330 -

-

Ta= 25  2C

mA (2),(3)*a

mA

mA (2),(3)*b

mA (2),(3)*c

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

(2) fV = 60Hz, fDCLK = 50.2MHZ, VDD = 3.3V , DC Current.
(3) Power dissipation pattern

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*a) White Pattern

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*c) Black

Display Brightest Gray Level

Display Darkest Gray Level

*b) Mosaic Pattern

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d) V.Stripe

4) Rush current measurement condition

Approval

CONTROL SIGNAL

(HIGH to LOW)

3.3V

M1
2SK1059

VDD ( LCD INPUT)

R1
47K

R2

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12V

C3
1uF

VDD rising time is 470us

1K

R3

47K

M2
2SK1399

C2

10000pF

0.9VDD

FUSE

C1
1uF

3.3V

0.1VDD

GND

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3.2 BACK-LIGHT UNIT

Item Symbol Min. Typ. Max. Unit Note

LED Forward Current IF - 25 - mA
LED Forward Voltage VF 3.0 3.2 3.4 V

LED Array Voltage VP 27 28.8 30.6 V VF X 9 LEDs

LED Counts - 36 - EA

Operating Life Time Hr 10,000 - - Hour (1)

Note (1) Life time (Hr) of LEDs can be defined as the time in which it continues to operate under the

condition Ta= 25  2 C and IF = 25mA until one of the following event occurs.

1. When the brightness becomes 50% or lower than the original.

3.3 LED Driver

- On board LED Driver (Manufacturer : Richtek)

Ta= 25  2 C

Ta= 25  2 C

Item Symbol Min. Typ. Max. Unit Note

Input Voltage Vin 6 12 24 V

Input Current I - 310 - mA

consumption

EN Control Level

PWM Control Level

External PWM

Dimming Control

Frequency (BLIM)

PWM duty ratio D

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BL power

Pin

ON 1.5 3.3 5.0 V

OFF 0 0 0.5 V

ON 1.5 3.3 5.0 V

OFF 0 0 0.1 V

FBLIM 0.20 - 10 kHz

- - 0.85 W @ 60nit

- - 3.55 W @ Max

5 - 100 %

10 - 100 %

Vin=7~20V,
BLIM=PWM
0V~3.3V

PWM Freq. :
200Hz~10KHz

PWM Freq. :
1KHz~10KHz

Note - Test Equipment : Fluke 45

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