SAMSUNG LTN140AT26-L01 Specification

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Mic hael Kim

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Approval

DATE

SAMSUNG TFT-LCD

: Lenovo

: Feb. 20. 2012

MODEL NO. : LTN140AT26-L01

NOTE : Extension code [ -L01 ]

→ LTN140AT26-L01

- Surface type [ Glare ]

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

APPROVED BY :

PREPARED BY :

Application Engineering Group, LCD Division

Samsung Electronics Co., Ltd.

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CONTENTS

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 LED Driver

4. Block Diagram

4.1 TFT LCD Module

4.2 LED Connection and Placement

Approval

-------------------( 3 )

-------------------( 4 )

-------------------( 5 )

-------------------( 7 )

-------------------( 10 )

-------------------( 13 )

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

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

-------------------( 14 )

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

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

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

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

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

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

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REVISION HISTORY

Date Rev. No. Page Summary

Sep. 05. 2011 P00 All

Sep. 09. 2011 P01 22

Nov. 03. 2011 P02

Jan. 06. 2012 A00 All

Jan. 31. 2012 A01 22

Feb. 16. 2012 A02

Feb. 20. 2012 A03 25

28,29

. The preliminary specification was issued first.

. Outline drawing was updated

. ENVIRONMENTAL ABSOLUTE RATINGS is changed

. PWM duty Information is changed

. General Precautions are updated

. The approval specification was issued .

. 2D drawing was updated

. 2D drawing was updated as same as LTN140AT22

. Storage condition was updated as same as LTN140AT22

. Lenovo Barcode information was updated

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GENERAL DESCRIPTION

DESCRIPTION

LTN140AT26-L 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 14.0" contains 1,366 x 768 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

• 1366 x 768 pixels resolution

• Low power consumption

• Fast Response

• LED BLU with LED driver

• DE(Data enable) only mode

• 3.3V LVDS Interface

• Onboard EEDID chip

• Pb-free product

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Approval

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

Driver element

Display colors

Number of pixel

Pixel arrangement

Pixel pitch

Display Mode

309.399(H) x 173.952(V) (14.0” diagonal ) mm

a-Si TFT active matrix

262,144

1366 x RGB(3) x 768 pixel 16 : 9

RGB vertical stripe

0.2265(H) x 0.2265(V) (TYP.) mm

Normally white

Surface treatment

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Mechanical Information

Item Min. Typ. Max. Unit Note

Horizontal (H) 323.0 323.5 324 mm

Module

size

Note (1) Measurement condition of outline dimension

Vertical (V) 191.5 192.0 192.5 mm

Depth (D) - - 5.2 mm (1)

Weight - - 350 g

. Equipment : Micrometer

1. ABSOLUTE MAXIMUM RATINGS

1.1 ENVIRONMENTAL ABSOLUTE RATINGS

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Item Symbol Min. Max. Unit Note

Storage temperate T

Operating temperate

(Temperature of glass surface)

Shock ( non-operating ) Snop -

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

Altitude ( operation ) - - 10,000 feet

Altitude ( storage ) - - 40,000 feet

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

95 % RH Max. ( 40

Maximum wet - bulb temperature at 39 (2) 2ms, half sine wave, one time for ρX,ρY,ρZ. (3) 11ms, 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.

C > Ta)

100

STG

OPR

Relative Humidity ( %RH)

-20 60 °C(1)

050°C(1)

210

50 (3),(5)

C or less. (Ta ≥ 40 OC) No condensation.

(2),(5)

-40-20 0 2040 6080

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Storage Range

Temperature (

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1.2 ELECTRICAL ABSOLUTE RATINGS

(1) TFT LCD MODULE

Item Symbol Min. Max. Unit Note

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DD =3.3V, VSS = GND = 0V

Power Supply Voltage V

Logic Input Voltage V

Note (1) Within Ta (25 ± 2 °C)

DD VDD -0.3 VDD + 0.3 V (1)

IN 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

Item Symbol Condition Min. Typ. Max Unit Note

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* Ta = 25 ± 2 °C, VDD=3.3V, fv= 60Hz, fDCLK = 75.17MHz, IL = 23 mArms

Contrast Ratio

(5 Points)

Response Time at Ta

( Rising + Falling )

Average Luminance

of White (5 Points)

Color

Chromaticity

( CIE )

Viewing Angle

Red

Green

Blue

White

Hor.

Ver.

CR - 500 - - (1), (2), (5)

RT_B/W - 16 25 msec (1), (3)

L,AVE

X 0.555 0.585 0.615

Y 0.325 0.355 0.385

170 200 - cd/m

IL=23mA

(1), (4)

Normal

X 0.320 0.350 0.380

Y 0.550 0.580 0.610

X 0.135 0.165 0.195

Y 0.095 0.125 0.155

X 0.283 0.313 0.343

R -45-

H -15-

Viewing

Angle

φ = 0 θ = 0

CR ≥ 10

0.299 0.329 0.359

-45-

Degrees

(1), (5)

SR-3

(1), (5)

SR-3

L -30-

Color Gamut CG - 45 - %

13 Points

White Variation

5 Points

White Variation

L 60% - - - (6)

L 80% - - - (6)

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≤

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

θL =90

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Normal Line

φ = 0

θ = 0

θ L

φ L

φ H

≤

C/R, 100 ≤C/R )

θ R

Approval

12 O’clock direction

φH= 90

6 O’clock direction

φL= 90

x'y'

=90

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).

4 9

Note 3) Definition of Response time :

Display data

White(TFT OFF)

Black(TFT ON)

White(TFT OFF)

100%

90%

Optical Response

10%

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

(320) ( 640) (960)

VIEW AREA

Average Luminance of White ( Y

L4 + YL5 + YL7 + YL9 + YL10

L,AVE )

(200)

(400)

YL,AVE =

(600)

(lines)

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Note 5) After stabilizing and leaving the panel alone at a giv en 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 SR-3)

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Field

= 2°

Approval

50 cm

TFT-LCD module

Center of the screen

[ Optical characteristics measurement setup ]

Note 6) Definition of 13 points white v ariation (δ L ), CR variation( CVER ) [ ~ ]

Maximum luminance of 13 points

δ L =

10mm

Minimum luminance of 13 points

10mm

342 683

13 12

1025

LCD panel

113

10mm

192

10mm

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3. ELECTRICAL CHARACTERISTICS

3.1 TFT LCD MODULE

Item Symbol Min. Typ. Max. Unit Note

Voltage of Power Supply V

Differential Input

High V

Voltage for LVDS

Receiver Threshold

Vsync

60Hz

Low V

Hsync Freq F

Main Freq F

e q u

50Hz

Hsync Freq F

Main Freq F

e n

40Hz

Hsync Freq F

Main Freq F

DD 3.0 3.3 3.6 V

IH - - +100 mV

IL -100 - - mV

DCLK

Approval

- 47.4 - KHz

- 75.17 - MHz

- 39.5 - KHz

- 62.65 - MHz

- 31.6 - KHz

- 50.12 - MHz

Ta= 25 ± 2°C

CM =

+1.2V

Rush Current I

White

RUSH - - 1.5 A (4)

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

Mosaic - 210 240 mA (2),(3)*b

Current of Power

Supply

WinXP Pattern

Max

Pattern

- 250 - mA (2),(3)*c

- 335 350 mA (2),(3)*d

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

(2) f

V = 60Hz, fDCLK = 75.17MHZ, VDD = 3.3V , DC Current.

(3) Power dissipation pattern

*a) White Pattern *b) Mosaic Pattern

VIEW AREA

Display Brightest Gray Level

Display Darkest Gray Level

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