SAMSUNG LTM240CT04 Specification

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ISSUED DATE : 2008-04-10

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PRODUCT INFORMATION

SAMSUNG TFT--

SAMSUNG TFT

SAMSUNG TFT-LCD PRODUCT INFORMATION

MODEL : LTM240CT04

LCD PRODUCT INFORMATION

Note : This is Product Information is subject to change after 3 months of issuing date.

Application Engineering part 1, LCD Business

Samsung Electronics Co . , LTD.

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Contents

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PRODUCT INFORMATION

General Description --------------------------------------------------------------------------------- (3)

1. Absolute Maximum Ratings ------------------------------------------------------------------- (4)

2. Optical Characteristics --------------------------------------------------------------------------- (6)

3. Electrical Characteristics ---------------------------------------------------------------------- (11)

3.1 TFT LCD Module

3.2 Back Light Unit

4. Block Diagram ----------------------------------------------------------------------------------- (16)

4.1 TFT LCD Module

4.2 Back Light Unit

5. Input Terminal Pin Assignment -------------------------------------------------------------- (17)

5.1 Input Signal & Power

5.2 LVDS Interface

5.3 Back Light Unit

5.4 Input Signals, Basic Display Colors and Gray Scale of Each Color

6. Interface Timing --------------------------------------------------------------------------------- (26)

6.1 Timing Parameters (DE only mode)

6.2 Timing Diagrams of interface Signal (DE only mode)

6.3 Power ON/OFF Sequence

6.4 VDD Power Dip Condition

7. Outline Dimension ------------------------------------------------------------------------------- (30)

8. General Precaution ------------------------------------------------------------------------------ (32)

8.1 Handling

8.2 Storage

8.3 Operation

8.4 Others

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General Description

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PRODUCT INFORMATION

Description

LTM240CT04 is a color active matrix liquid crystal display (LCD) that uses amorphous silicon TFT (Thin Film Transistor) as switching components. This model is composed of a TFT LCD panel, a driver circuit and a back light unit. The resolution of a 24” is 1920 x 1200 and this model can display up to 16.7 millions colors.

Features

 High contrast ratio, high aperture structure  TN (Twisted Nematic) mode  Wide Viewing Angle  High speed response  WUXGA (1920 x 1200 pixels) resolution  Low power consumption  DE (Data Enable) only mode  LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)  Compact Size Design (Slim)  RoHS, TCO’03 compliant

 Edge Type 2 dual CCFTs (Cold Cathode Fluorescent Tube)

Applications

 Workstation & desktop monitors  Display terminals for AV application products  Monitors for industrial machine

* If the module is used to other applications besides the above, please contact SEC

in advance.

General Information

Haze 25%, Hard coating 3HSurface Treatment

UnitSpecificationItems

mm0.270(H) x 0.270(W)Pixel Pitch

mm518.4(H) x 324.0(V)Active Display Area

colors16.7M (6bit Hi-FRC)Display Colors

pixel1,920 x 1,200Number of Pixels

RGB vertical stripePixel Arrangement

Note

Normally WhiteDisplay Mode

cd/༇300(Typ.)Luminance of White

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Mechanical Information

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Max.

546.9

mm546.4545.9Horizontal (H)

Module

350.5

mm350.0349.5Vertical (V)

size

18.96

mm--Depth (D)

3,300

Note (1) Mechanical tolerance is · 0.5mm unless there is a special comment.

1. Absolute Maximum Ratings

NoteUnitTyp.Min.Item

w/o inverter ass’y

LCD module onlyg--Weight

If the condition exceeds maximum ratings, it can cause malfunction or unrecoverable damage to the device.

NoteUnitMax.Min.SymbolItem

Power Supply Voltage

Data Signal

Storage temperature

Center of Glass surface temperature

(Operation)

Shock ( non - operating )

Vibration ( non - operating )

Note (1) Ta= 25 · 2 ¶C

sig

STG

OPR

nop

V5-V

60-20T

500T

୅

(1)V5.5VSS-0.5V

(2)

(3)(5)G50-S

(4)(5)G1.5-V

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

a. 90 % RH Max. (Ta ˺ 39 ¶C) b. Maximum wet-bulb temperature at 39 ¶C or less. (Ta ˺ 39 ¶C) c. No condensation

(3) 11ms, sine wave, one time for ·X, ·Y, ·Z axis (4) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis (5) At vibration and shock test, the fixture which holds the module to be tested has to be

hard and rigid enough so that the module would not be twisted or bent by the fixture.

(39,90)

(50,50.4)

20,5)

((--20,5)

Fig. Temperature and Relative humidity range

(60,27.7)

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2. Optical Characteristics

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The optical characteristics should be measured in a dark room or equivalent.

Measuring equipment : SR-3, RD-80S (TOPCON), EZ-Contrast (Eldim)

(Ta = 25 · 2¶C, VDD=5V, fv= 60Hz, fDCLK=77MHz, IL = 7.5mArms)

NoteUnitMax.Typ.Min.ConditionSymbolItem

Contrast Ratio

(Center of screen)

Response

Time(On/Off)

Luminance of White

(Center of screen)

Green

Color

Chromaticity

(CIE 1931)

Red

Blue

White

Red

SR-3-1000600C/R

85-Tr + TfOn/Off

0.337Ry

0.296Gx

0.604Gy

0.147Bx

Normal

L,R

U,D

Viewing

Angle

0.073By

0.313Wx

0.329Wy

-300250Y

0.6800.6500.620Rx

0.3670.307

0.3260.266

0.6340.574

0.1770.117

0.1030.043

0.3430.283

0.3590.299

-0.453-Ru'

-0.528-Rv'

msec

(3)

RD-80S

SR-3cd/m

(1),(5)

PR650

-0.123-Gu'

Color

Chromaticity

(CIE 1976)

C.G.L

(ACC ONLY)

* C.G.L : Color Grayscale Linearity

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Green

-0.563-Gv'

-0.164-Bu'

Blue

-0.183-Bv'

-0.198-Wu'

White

-0.468-Wv'

Ƹu'v'White

(9)0.02--

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NoteUnitMax.Typ.Min.ConditionSymbolItem

%-72--Color Gamut

K-6500--Color Temperature

Hor.

Viewing

Angle

Ver.

Brightness Uniformity

(9 Points)

uni

Note (1) Test Equipment Setup

The measurement should be executed in a stable, windless and dark room between 30min after lighting the back light at the given temperature for stabilization of the back light. This should be measured in the center of screen.

Single lamp current : 7.5mA Environment condition : Ta = 25 · 2 ¶C

CR˻10

-8070

-8070 Degrees

-8070

%25--B

(1),(5)

SR-3

(2)

SR-3

Field Photo detector

TFT - LCD Module

Photo detector

Field

The center of the screen

SR-3 : 40 RD-80S : 50

㎝

LCD Panel

㎝

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Note (2) Definition of test point

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PRODUCT INFORMATION

192 960 1728

Active Area

: Test Point

Note (3) Definition of Contrast Ratio (C/R)

: Ratio of gray max (Gmax) & gray min (Gmin) at the center point㽶 of the panel

3 2 1

Gmax : Luminance with all pixels white Gmin : Luminance with all pixels black

max

min

8 79

120

600

1080

Note (4) Definition of 9 points brightness uniformity



max

(max min)

Buni

Bmax : Maximum brightness Bmin : Minimum brightness

Note (5) Definition of Response time : Sum of Tr, Tf

Display Data White(TFT off) Black(TFT on) White(TFT off)

Optical Instruments

Response

100

100%

90%

10%

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Note (6) Definition of Luminance of White : Luminance of white at center point㽶

Note (7) Definition of Color Chromaticity (CIE 1931, CIE1976)

Color coordinate of Red, Green, Blue & White at center point㽶

Note (8) Definition of Viewing Angle

: Viewing angle range (CR ı10,5)

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Note (9) Color Grayscale Linearity

a. Test image : 100% full white pattern with a test pattern as below

b. Test pattern : Squares, 40mm by 40mm in size, filled with 255, 225, 195, 165, 135 and

105 grays steps should be arranged at the centerྜྷ of the screen.

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c. Test method

-1

gray step : move a square of 255 gray level should be moved into the center of the

screen and measure luminance and u’ and v’ coordinates.

- Next gray step : Move a 225 gray square into the center and measure both luminance and coordinates, too.

d. Test evaluation

'u' v'= (u' - u' ) + (v' - v' )AB

Where A, B : 2 gray levels found to have the largest color differences between them

i.e. get the largest ȟu’ and ȟv’ of each 6 pair of u’ and v’ and calculate the ȟu’v’.

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3. Electrical Characteristics

3.1 TFT LCD Module

The connector for display data & timing signal should be connected.

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PRODUCT INFORMATION

Ta = 25¶C

NoteUnitMax.Typ.Min.SymbolItem

Voltage of Power Supply

Differential Input

Voltage for LVDS

Receiver Threshold

LVDS skew

LVDS

Input

Characteri

Differential input

voltage

stics

Input voltage range

(single-ended)

Common mode

voltage

(a) White

Current of

Power

Supply

SKEW

|VID|/2

1.2

2.4-

(1)V5.55.04.5V

(2)mV+100--High

mV---100Low

(3)ps300-300t

(4)mV600200|VID|

(4)V2.40V

(4)V

|/2

mA-1100-

mA-1600-(b) Black (5),(6)

mA30001900-(c) Dot

Vsync Frequency

Hsync Frequency

Main Frequency

Rush Current

DCLK

RUSH

Note (1) The ripple voltage should be controlled under 10% of VDD.

Hz636053f

kHz787465f

MHz817768f

(7)A5.0--I

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