SAMSUNG LTM190EX-L31 Specification

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Approval Specification

Customer :

SAMSUNG TFT--

SAMSUNG TFT

SAMSUNG TFT-LCD

MODEL : :

MODEL

MODEL : LTM190EX-L31-2

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

NOTE :

LCD

LTM190EX--

LTM190EX

DATE : 31 / Jul / 2008

L31--22

L31

Customer’’

Customer

SIGNATURE

s Approval

DATE

PREPARED BY

APPROVAED BY

DATE

31/Jul/’08

DATE

31/Jul/’08

Application Engineering Part 1(HD), LCD Business

Samsung Electronics Co . , LTD.

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Contents

Revision History -------------------------------------------------------------------------------------- (3)

General Description --------------------------------------------------------------------------------- (4)

1. Absolute Maximum Ratings ------------------------------------------------------------------- (5)

2. Optical Characteristics -------------------------------------------------------------------------- (7)

3. Electrical Characteristics ------------------------------------------------------------------------(12)

3.1 TFT LCD Module

3.2 Back Light Unit

4. Block Diagram ----------------------------------------------------------------------------------- (17)

4.1 TFT LCD Module

4.2 Back Light Unit

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5. Input Terminal Pin Assignment -------------------------------------------------------------- (18)

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

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

8. Reliability Test ------------------------------------------------------------------------------------ (31)

9. Packing -------------------------------------------------------------------------------------------- (32)

10. Marking & Others ------------------------------------------------------------------------------- (33)

11. General Precaution ---------------------------------------------------------------------------- (35)

11.1 Handling

11.2 Storage

11.3 Operation

11.4 Others

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* Revision History

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Approval Specification

Date

2008

Rev.

SummaryPage

Approval specification of LTM190EX-L31-2 model was issued first.All000Jul. 09,

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General Description

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Approval Specification

Description

LTM190EX-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 1280 x 1024 and this model can display up to 16.7 millions colors.

Features

 RoHS compliance (Pb-free)  High contrast ratio, high aperture ratio, fast response time  TN(Twisted Nematic) mode  2 dual CCFTs(Cold Cathode Fluorescent Tube)  DE(Data Enable) mode  LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)  COMPACT SIZE DESIGN  TCO’03 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

mm0.294(H) x 0.294(W)Pixel Pitch

mm376.32(H) x 301.056(V)Active Display Area

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

pixel1280 x 1024Number of Pixels

Note

RGB vertical stripePixel Arrangement

Normally WhiteDisplay Mode

25 Watt (Typ.)Power Consumption

cd/༇300(Typ.)Luminance of White

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Mechanical Information

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Max.

396.5

mm396.0395.5Horizontal (H)

Module

324.5

mm324.0323.5Vertical (V)

size

17.0

mm--Depth (D)

2.450

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

60-25T

500T

୅

(1)V6.5GND-0.5V

(2)

(3)G50-S

(4)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

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(39,90)

Approval Specification

(50,50.4)

25,5)

((--25,5)

Fig. Temperature and Relative humidity range

(60,27.7)

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2. Optical Characteristics

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Approval Specification

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

Measuring equipment : TOPCON RD-80S,SPECTRORADIOMETER SR-3

(Ta = 25 · 2¶C, VDD=5V, fv= 60Hz, fDCLK=54MHz, IL = 7.5mArms)

NoteUnitMax.Typ.Min.ConditionSymbolItem

Contrast Ratio

(Center of screen)

Response

Time

Luminance of White

(Center of screen)

Green

Color

Chromaticity

(CIE 1931)

Red

Blue

White

-1,000600C/R

85-Tr+TfOn/Off

0.6700.6400.610Rx

0.3590.3290.299Ry

0.3300.3000.270Gx

Normal



/5



8'

Viewing

Angle

0.6300.6000.570Gy

0.1800.1500.120Bx

0.0900.0600.030By

0.3430.3130.283Wx

0.3590.3290.299Wy

msec

cd/m2-300250Y

(3)

SR-3

(5)

RD-80S

(6)

SR-3

(7),(8)

Red

Color

Chromaticity

(CIE 1976)

C.G.L*

* C.G.L : Color Grayscale Linearity

Green

Blue

White

Ƹu'v'White

-0.452-Ru'

-0.522-Rv'

-0.125-Gu'

-0.563-Gv'

-0.175-Bu'

-0.158-Bv'

-0.198-Wu'

-0.468-Wv'

SR-3

(9)0.02--

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Approval Specification

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

(8)

SR-3

(4)

SR-3

Field Photo detector

1ദSR-3

TFT - LCD Module

Photo detector

Field

The center of the screen

SR-3 : 50໅

RD-80S

: 50໅

LCD Panel

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Note (2) Definition of test point

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128 640 1152

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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

102

512

922

Note (4) Definition of 9 points brightness uniformity

Buni

=×

100

(max min)

−

max

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%

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.

Approval Specification

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

Δu' v'= (u' - u' ) + (v' - v' )

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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Approval Specification

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

|/2

1.2

2.4-

(1)V5.55.04.5V

(2)mV+100--High

mV---100Low

(3)ps300--300t

(4)mV600-200|VID|

(4)V2.4-0V

(4)V

|/2

mA-950-

mA-750-(b) White (5),(6)

mA13001100-(c) Dot

Hz766049f

kHz816452.2f

Main Frequency

Rush Current

DCLK

RUSH

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

MHz68.45444.1f

(7)A3.0--I

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