SAMSUNG LTM190M2-L31 Specification

ISSUED DATE : 2007-06-04

PRODUCT INFORMATION

SAMSUNG TFT--

SAMSUNG TFT

SAMSUNG TFT-LCD PRODUCT INFORMATION

MODEL

MODEL : LTM190M2-L31

LCD PRODUCT INFORMATION

: LTM190M2--

: LTM190M2

L31

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

Development Team 4, LCD Business

Samsung Electronics Co . , LTD.

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PRODUCT INFORMATION

Contents

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 LVDS Input Characteristics

6.5 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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PRODUCT INFORMATION

General Description

PRODUCT INFORMATION

Description

LTM190M2-L31 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 19.0” is 1440 x 900 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  WXGA+ (1440 x 900 pixels) resolution  Low power consumption  2 dual CCFTs (Cold Cathode Fluorescent Tube)  DE (Data Enable) only mode  LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)  Compact Size Design  RoHS compliance

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(3H)Surface Treatment

UnitSpecificationItems

mm0.2835(H) x 0.2835(W)Pixel Pitch mm408.24(H) x 255.15(V)Active Display Area

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

pixel1440 x 900Number of Pixels

RGB vertical stripePixel Arrangement

Note

Normally WhiteDisplay Mode

25.1 Watt (Typ.)Power Consumption cd/㎡300(Typ.)Luminance of White

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Mechanical Information

PRODUCT INFORMATION

Module

size

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

1. Absolute Maximum Rati ngs

Max.

428.5

278.5

17.5

2,550

NoteUnitTyp.Min.Item mm428.0427.5Horizontal (H) mm278.0277.5Vertical (V) w/o inverter ass’y mm--Depth (D)

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

Storage temperature

Glass surface temperature

(Operation)

Shock ( non - operating )

Vibration ( non - operating )

Note (1) Ta= 25 ± 2 °C

STG

OPR

nop

60-25T

500T

℃

(1)V6.5GND-0.5V (2)

(2)

(3)G50-S (4)G1.5-V

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PRODUCT INFORMATION

(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

(39,90)

(50,50.4)

(60,27.7)

25,5)

((--25,5)

Fig. Temperature and Relative humidity range

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PRODUCT INFORMATION

2. Optical Characteristics

PRODUCT INFORMATION

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=51.9MHz, IL = 6.5mArms)

NoteUnitMax.Typ.Min.ConditionSymbolItem

Contrast Ratio

(Center of screen)

Response

Time

Falling

Luminance of White

(Center of screen)

Green

Color

Chromaticity

(CIE 1931)

Color

Chromaticity

(CIE 1976)

Blue

White

Green

Blue

Red

-1000600C/R

41.3-TrRising

0.6700.6400.610Rx

0.3600.3290.300Ry

0.3300.3000.270Gx

0.6300.6000.570Gy

0.1800.1500.120Bx

0.0900.0600.030By

0.3430.3130.283Wx

Normal

L,R

U,D

Viewing

Angle

0.3590.3290.299Wy

-0.451-Ru'

-0.523-Rv'

-0.125-Gu'

-0.563-Gv'

-0.175-Bu'

-0.158-Bv'

msec

msec63.7-Tf

cd/m2-300250Y

(3)

SR-3

(5)

RD-850S

(6)

SR-3

(7),(8)

SR-3

-0.198-Wu'

White

-0.468-Wv'

C.G.L

* C.G.L : Color Grayscale Linearity (continue to the next page)

△u'v'White

(9)0.020.011-

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PRODUCT INFORMATION

NoteUnitMax.Typ.Min.ConditionSymbolItem

%-72--Color Gamut

K-6500--Color Temperature

Hor.

Viewing

Angle

Ver.

Brightness Uniformity

(9 Points)

uni

CR≥10(5)

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 : 6.5mA Environment condition : Ta = 25 ± 2 °C

-80(89)70(80)

-80(89)70(80) Degrees

-80(89)70(80)

%25--B

(8)

EZ-

Contrast

(4)

SR-3

Field Photodetector

1°SR-3

TFT - LCD Module

Photodetector

Field

SR-3 : 50㎝ RD-80S : 50㎝

LCD Panel

The center of the screen

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Note (2) Definition of test point

144 720 1296

PRODUCT INFORMATION

Active Area

: Test Point

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

: Ratio of gray max (Gmax) & gray min (Gmin) at the center point⑤ of the panel

max

min

3 2 1

8 79

450

810

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

Note (4) Definition of 9 points brightness uniformity

Buni

=×

100

Bmax : Maximum brightness Bmin : Minimum brightness

(max min)

−

max

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PRODUCT INFORMATION

Note (5) Definition of Response time

a. On/Off response time : Sum of Tr, Tf

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

Optical Instruments

Response

Note (6) Definition of Luminance of White : Luminance of white at center point⑤

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

Color coordinate of Red, Green, Blue & White at center point⑤

100%

90%

10%

Note (8) Definition of Viewing Angle

: Viewing angle range (CR ≥10)

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PRODUCT INFORMATION

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 center⑤ of the screen.

c. Test method

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

-1 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 Δu’ and Δv’ of each 6 pair of u’ and v’ and calculate the Δu’v’.

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3. Electrical Characteristics

3.1 TFT LCD Module

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

PRODUCT INFORMATION

Ta = 25°C

NoteUnitMax.Typ.Min.SymbolItem

Voltage of Power Supply

Differential Input

Voltage for LVDS

Receiver Threshold

LVDS

Input

Characteri

stics

LVDS skew

Differential input

voltage

Input voltage range

(single-ended)

Common mode

voltage

Current of

(a) Black

Power

Supply

Vsync Frequency Hsync Frequency

SKEW

|VID|/2

1.2

2.4-

(1)V5.55.04.5V

(2)mV+100--High

mV---100Low

(3)300-300t (4)mV600200|VID|

(4)V2.40V

(4)V

|/2

mA-1200- mA-900-(b) White (5),(6) mA(1400)1300-(c) Dot

Hz766056f

kHz71.456.452.6f

Main Frequency

Rush Current

DCLK

RUSH

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

MHz65.751.948.4f

(7)A3--I

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