SAMSUNG LTM190EX-L21 Specification

Approval Specification

Approval Specification

Customer : General

SAMSUNG TFT--

SAMSUNG TFT

SAMSUNG TFT-LCD

MODEL : :

MODEL

MODEL : LTM190EX-L21

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

NOTE :

LCD

LCD

LTM190EX--

LTM190EX

L21

L21

DATE : 21/Mar/2006

Customer’’

Customer

SIGNATURE

Product Planning Group 2, LCD Business

Samsung Electronics Co . , LTD.

s Approval

s Approval

DATE

PREPARED BY

APPROVAED BY

DATE

21/Mar/’06

DATE

21/Mar/’06

1/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

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

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

Approval Specification

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

9. Packing -------------------------------------------------------------------------------------------- (31)

10. Marking & Others ------------------------------------------------------------------------------- (32)

11. General Precaution ---------------------------------------------------------------------------- (34)

11.1 Handling

11.2 Storage

11.3 Operation

11.4 Others

2/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

* Revision History

Approval Specification

Approval Specification

Date

2006

Rev.

No

SummaryPage

Approval specification of LTM190EX-L21 model was issued first.all000Mar. 21,

3/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

General Description

Approval Specification

Description

LTM190EX-L21 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

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

colors16.7MDisplay Colors

pixel1280 x 1024Number of Pixels

Note

RGB vertical stripePixel Arrangement

Normally WhiteDisplay Mode

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

4/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Mechanical Information

Approval Specification

Approval Specification

Max.

396.5

mm396.0395.0Horizontal (H)

Module

324.5

mm324.0323.5Vertical (V)

size

17.0

mm--Depth (D)

2.250

Weight

-

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

1. Absolute Maximum Rati ngs

NoteUnitTyp.Min.Item

w/o inverter ass’y

LCD module onlyg--

w/ Inverter assemblyg--

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

DD

sig

STG

OPR

nop

nop

V5-V

60-25T

500T

℃

℃

(1)V6.5GND-0.5V

(2)

(2)

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

5/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

Approval Specification

(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)

(39,90)

(50,50.4)

(50,50.4)

(60,27.7)

(60,27.7)

25,5)

((--25,5)

Fig. Temperature and Relative humidity range

6/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

2. Optical Characteristics

Approval Specification

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

Measuring equipment : TOPCON BM-7,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)

Color

Green

Chromaticity

(CIE 1931)

White

Color

Green

Chromaticity

(CIE 1976)

Red

Blue

Red

Blue

-700450C/R

31.7-TrRising
msec

96.3-TfFalling

L

cd/m2-300250Y

(3)

SR-3

(5)

BM-7

(6)

SR-3

0.6700.6400.610Rx

0.3590.3290.299Ry

Normal

=0

θ

L,R

=0

θ

U,D

Viewing

Angle

0.3300.3000.270Gx

0.6300.6000.570Gy

0.1800.1500.120Bx

0.0900.0600.030By

0.3430.3130.283Wx

0.3590.3290.299Wy

-0.452-Ru'

(7),(8)

SR-3

-0.522-Rv'

-0.125-Gu'

-0.563-Gv'

-0.175-Bu'

-0.158-Bv'

White

C.G.L*

Hor.

Viewing

Angle

Ver.

△u'v'White

θ

L

θ

R

θ

U

θ

D

Brightness Uniformity

(9 Points)

uni

* C.G.L : Color Grayscale Linearity

CR≥10

-0.198-Wu'

-0.468-Wv'
(9)0.020.018-

%-72--Color Gamut

K-6,500--Color Temperature

-75-

-75-

Degrees

-75-

(8)

SR-3

-60-

%25--B

(4)

SR-3

7/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

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

Field Photo detector

1°SR-3

2°BM-7

Photo detector

Field

Approval Specification

Approval Specification

TFT - LCD Module

SR-3 : 50㎝
BM-7 : 50㎝

LCD Panel

The center of the screen

8/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Note (2) Definition of test point

128 640 1152

Approval Specification

Approval Specification

Active Area

6

: 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

3 2 1

G

CR

=

G

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

max

min

8 79

45

102

512

922

Note (4) Definition of 9 points brightness uniformity

BB

Buni

=×

100

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%

(max min)

B

−

max

0%

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Approval Specification

Approval Specification

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

Note (8) Definition of Viewing Angle

: Viewing angle range (CR ≥10)

10/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

Approval Specification

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

st

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

2

AB

2

11/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

3. Electrical Characteristics

3.1 TFT LCD Module

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

Approval Specification

Approval Specification

Ta = 25°C

NoteUnitMax.Typ.Min.SymbolItem

Voltage of Power Supply

Differential Input

Voltage for LVDS

Receiver Threshold

LVDS skew

LVDS

Input

Differential input

voltage

Characteri

stics

Input voltage range

(single-ended)

Common mode

voltage

Input current

Current of

(a) Black

Power

Supply

Vsync Frequency

DD

SKEW

IN

V

CM

IN

I

DD

V

0+

|VID|/2

1.2

2.4-

|V

±10I

(1)V5.55.04.5V

(2)mV+100--High

mV---100Low

(3)ps380-380t
(4)mV600200|VID|

(4)V2.40V

(4)V

|/2

ID

㎂

(5)
mA-700­mA-550-(b) White (6),(7)
mA850750-(c) Dot

Hz756050f

Hsync Frequency

Main Frequency

Rush Current

H

DCLK

RUSH

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

kHz79.9766453f

MHz67.55445f

(8)A3.0--I

12/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

Approval Specification

(2) Differential receiver voltage definitions and propagation delay and transition time test

circuit

a. All input pulses have frequency = 10MHz, t

includes all probe and fixture capacitance

b. C

L

or tF=1ns

R

Note a.

Note b.

(3) LVDS Receiver DC parameters are measured under static and steady conditions

which may not be reflective of its performance in the end application.

T

LVDS Clk

V

= 0V

DIFF

LVDS Data
RX +/-

t

SKEW

where tskew : skew between LVDS clock & LVDS data,

T : 1 period time of LVDS clock

cf) (-/+) of 380psec means LVDS data goes before or after LVDS clock.

(4) Definition of V

and V

ID

using single-end signals

CM

V

= 0V

DIFF

Differential

Differential

13/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

Approval Specification

(5) Measurement Conditions Maximum + 10uA @ VIN=2.4V, VDD=3.6V,

- 10uA @ VIN=0V, VDD=3.6V
(6) fV=60Hz, fDCLK = 54MHz, VDD = 5.0V, DC Current.
(7) Power dissipation check pattern (LCD Module only)

a) Black Pattern b) White Pattern c) Dot Pattern

(8) Measurement Conditions.

100%

90%

10%
GND

Rush Current I

T

RUSH

can be measured when T

RUSH

=470㎲

. is 470㎲.

RUSH

V

DD

14/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

Approval Specification

3.2 Back Light Unit

The back light unit is an edge - lighting type with 2 dual CCFTs ( Cold Cathode
Fluorescent Tube ) The characteristics of two dual lamps are shown in the following tables.

Ta=25 ± 2°C

NoteUnitMax.Typ.Min.SymbolItem
Lamp Current
Lamp Voltage

Lamp Frequency

Asymmetry

Inverter

waveform

Note (1) Specified values are for a single lamp.

Lamp current is measured with current meter for high frequency as shown below.
Refer to the following block diagram of the back light unit for more information.

rate

Distortion

rate

L

L

L

(1)mArms8.07.53.0I

Vrms-650-V

(2)kHz60-40f
(3)Hour--50,000HrOperating Life Time

%10--Wasy

(4)

1.55541.4141.2726Wdis

0℃ : 1,650

--VsStartup Voltage

25℃: 1,450

(5)Vrms

LCD Module

HOT(PINK)
COLD(WHITE)
HOT(BLUE)
COLD(BLACK)

HOT(PINK)
COLD(WHITE)
HOT(BLUE)
COLD(BLACK)

I

1

A

I

2

A

I

3

INVERTER

A

I

4

A

Fig. Measurement point of Lamp Current

(SI1700)

15/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

−

Approval Specification

(2) Lamp frequency which may produce interference with horizontal synchronous
frequency may cause line flow on the display. Therefore lamp frequency should be
detached from the horizontal synchronous frequency and its harmonics as far as
possible in order to avoid interference.

(3) Life time (Hr) is defined as the time when brightness of a lamp unit itself becomes
50% or less than its original value at the condition of Ta = 25±2°C and IL= 7.5mArms

(4) Designing a system inverter intended to have better display performance, power
efficiency and lamp reliability.

They would help increase the lamp lifetime and reduce leakage current.

a. The measurement should be done at typical lamp current.
b. The asymmetry rate of the inverter waveform should be less than 10%.
c. The distortion rate of the waveform should be √2 with ±10% tolerance.

- Inverter output waveform had better be more similar to ideal sine wave.

 Asymmetry rate

p-p

I

p

I

-p

Fig. Wave form of the inverter

(5) If an inverter has shutdown function, it should keep its output for over 1 second

even if the l amp connector is open. Otherwise the lamps may not be turned on.

||II

rms

I

 Distortion rate

I

p

||

I

rms

or

× 100

I

-p

||

I

rms

16/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

4. BLOCK DIAGRAM

4.1 TFT LCD Module

RSDS

Approval Specification

Approval Specification

LVDS

pair #1

LVDS

pair #2

CN1

(30pin)

LVDS (Rx)

Timing Controller

+5.0V

V

DD

4.2 Back Light Unit

Power
Circuit

LVDS(Tx)
RSDS(Tx)

Control signal

Gate Driver ICs

G1

G1024

Source Driver ICs

S1 S1280

Control signal

Column Driver Circuit

TFT-LCD

(1280 x RGB x 1024 pixels)

LAMP(CCEL)

LAMP(CCEL)

LAMP(CCEL)

LAMP(CCEL)

LAMP(CCEL)

LAMP(CCEL)

LAMP(CCEL)

LAMP(CCEL)

HOT(PINK)

1

COLD(WHITE)

2

HOT(BLUE)

3

COLD(BLACK)

4

HOT(PINK)

1

COLD(WHITE)

2

HOT(BLUE)

3

COLD(BLACK)

4

17/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

5. Input Terminal Pin Assignment

Approval Specification

5.1. Input Signal & Power ( Connector : UJU IS100-L30O-C23 or Compatible )

FUNCTIONSYMBOLPIN NO
1
2
3

V

DD

V

DD

V

DD

Power Supply : +5V

No ConnectionNC4
For LCD internal use only. Do not Connect.*CTL5
For LCD internal use only. Do not Connect.*CE6

Power GroundGND7

Positive Transmission Data of Pixel 3 (EVEN data)RXE3+8

Negative Transmission Data of Pixel 3 (EVEN data)RXE3-9

Positive Sampling Clock (EVEN data)RXEC+10

Negative Sampling Clock (EVEN data)RXEC-11

Positive Transmission Data of Pixel 2 (EVEN data)RXE2+12

Negative Transmission Data of Pixel 2 (EVEN data)RXE2-13

Power GroundGND14

Positive Transmission Data of Pixel 1 (EVEN data)RXE1+15

Negative Transmission Data of Pixel 1 (EVEN data)RXE1-16

Power GroundGND17

Positive Transmission Data of Pixel 0 (EVEN data)RXE0+18

Negative Transmission Data of Pixel 0 (EVEN data)RXE0-19

Positive Transmission Data of Pixel 3 (ODD data)RXO3+20

Negative Transmission Data of Pixel 3 (ODD data)RXO3-21

Positive Sampling Clock (ODD data)RXOC+22

Negative Sampling Clock (ODD data)RXOC-23

Power GroundGND24

Positive Transmission Data of Pixel 2 (ODD data)RXO2+25

Negative Transmission Data of Pixel 2 (ODD data)RXO2-26

Positive Transmission Data of Pixel 1 (ODD data)RXO1+27

Negative Transmission Data of Pixel 1 (ODD data)RXO1-28

Positive Transmission Data of Pixel 0 (ODD data)RXO0+29

Negative Transmission Data of Pixel 0 (ODD data)RXO0-30

* If the system already uses the 5, 6pins, it should keep under GND level

The voltage applied to those pins should not exceed -200mV.

18/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Note) Pin number starts from Right side

▼

PCB

▼

Pin No. 1 Pin No. 30

#30#1

Approval Specification

Approval Specification

( UJU IS100-L30O-C23 or Compatible )

#30#1

Fig. Connector diagram

a. All GND pins should be connected together and also be connected to the
LCD’s metal chassis.
b. All power input pins should be connected together.
c. All NC pins should be separated from other signal or power.

19/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

5.2 LVDS Interface

5.2.1 Odd Pixel Data (1st pixel data)

1st LVDS Transmitter ( DS90C383, DS90C385 ) Signal Interface

Approval Specification

Approval Specification

Device Input

Pin

N

o

Device Input Signal

Red Odd Pixel Data (LSB) RO0TXIN0 51
Red Odd Pixel Data RO1TXIN1 52
Red Odd Pixel Data RO2TXIN2 54
Red Odd Pixel Data RO3TXIN3 55
Red Odd Pixel Data RO4TXIN4 56

Red Odd Pixel Data (MSB) RO7TXIN5 2

Red Odd Pixel Data RO5TXIN6 3
Green Odd Pixel Data (LSB)GO0TXIN7 4
Green Odd Pixel Data GO1TXIN8 6
Green Odd Pixel Data GO2TXIN9 7

Output

Signal

TXOUT0-

TXOUT0+

TXOUT3-

TXOUT3+

TXOUT0-

TXOUT0+

TXOUT1-

TXOUT1+

To LTM190EX

Interface ( CN101 )

SymbolTerminalFunctionSymbolSymbol

No. 1
No. 2

No. 10
No. 11

No. 1
No. 2

No. 3
No. 4

RXO0-

RXO0+

RXO3-

RXO3+

RXO0-

RXO0+

RXO1-

RXO1+

Green Odd Pixel Data GO6TXIN108
Green Odd Pixel Data (MSB)GO7TXIN1110
Green Odd Pixel Data GO3TXIN1211
Green Odd Pixel Data GO4TXIN1312
Green Odd Pixel Data GO5TXIN1414
Blue Odd Pixel Data (LSB) BO0TXIN1515
Blue Odd Pixel Data BO6TXIN1616
Blue Odd Pixel Data (MSB) BO7TXIN1718

Blue Odd Pixel Data BO1TXIN1819

Blue Odd Pixel Data BO2TXIN1920
Blue Odd Pixel Data BO3TXIN2022
Blue Odd Pixel Data BO4TXIN2123
Blue Odd Pixel Data BO5TXIN2224

Red Odd Pixel Data RO6TXIN2750

TXOUT3-

TXOUT3+

TXOUT1-

TXOUT1+

TXOUT3-

TXOUT3+

TXOUT1-

TXOUT1+

TXOUT2-

TXOUT2+

TXOUT3-

TXOUT3+

No. 10
No. 11

No. 3
No. 4

No. 10
No. 11

No. 3
No. 4

No. 5
No. 6

No. 10
No. 11

RXO3-

RXO3+

RXO1-

RXO1+

RXO3-

RXO3+

RXO1-

RXO1+

RXO2-

RXO2+

RXO3-

RXO3+

20/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

5.2.2 Even Pixel Data (2nd pixel data)

2nd LVDS Transmitter ( DS90C383, DS90C385 ) Signal Interface

Approval Specification

Approval Specification

Device Input SignalDevice Input Pin

Red Even Pixel Data (LSB) RE0TXIN0 51
Red Even Pixel Data RE1TXIN1 52
Red Even Pixel Data RE2TXIN2 54
Red Even Pixel Data RE3TXIN3 55
Red Even Pixel Data RE4TXIN4 56

Red Even Pixel Data (MSB) RE7TXIN5 2

Red Even Pixel Data RE5TXIN6 3
Green Even Pixel Data (LSB)GE0TXIN7 4
Green Even Pixel Data GE1TXIN8 6

Green Even Pixel Data GE2TXIN9 7

Output

Signal

TXOUT0-

TXOUT0+

TXOUT3-

TXOUT3+

TXOUT0-

TXOUT0+

TXOUT1-

TXOUT1+

To LTM190EX

Interface ( CN101 )

SymbolTerminalFunctionSymbolSymbolNo

No. 12
No. 13

No. 22
No. 23

No. 12
No. 13

No. 15
No. 16

RXE0-

RXE0+

RXE3-

RXE3+

RXE0-

RXE0+

RXE1-

RXE1+

Green Even Pixel Data GE6TXIN108
Green Even Pixel Data (MSB)GE7TXIN1110
Green Even Pixel Data GE3TXIN1211
Green Even Pixel Data GE4TXIN1312
Green Even Pixel Data GE5TXIN1414
Blue Even Pixel Data (LS B) BE0TXIN1515
Blue Even Pixel Data BE6TXIN1616
Blue Even Pixel Data (MSB) BE7TXIN1718

Blue Even Pixel Data BE1TXIN1819

Blue Even Pixel Data BE2TXIN1920
Blue Even Pixel Data BE3TXIN2022
Blue Even Pixel Data BE4TXIN2123
Blue Even Pixel Data BE5TXIN2224

TXOUT3-

TXOUT3+

TXOUT1-

TXOUT1+

TXOUT3-

TXOUT3+

TXOUT1-

TXOUT1+

TXOUT2-

TXOUT2+

No. 22
No. 23

No. 15
No. 16

No. 22
No. 23

No. 15
No. 16

No. 18
No. 19

RXE3-

RXE3+

RXE1-

RXE1+

RXE3-

RXE3+

RXE1-

RXE1+

RXE2-

RXE2+

Red Even Pixel Data RE6TXIN2750

TXOUT3-

TXOUT3+

No. 22
No. 23

RXE3-

RXE3+

21/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

5.2.3 Timing Diagrams of LVDS For Transmitting

LVDS Receiver : Integrated T-CON

Approval Specification

Approval Specification

22/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

5.3 Back Light Unit

Upper

Lower

Connect

or

Part No.

Approval Specification

Approval Specification

High VoltagePinkHot11
GroundWhiteCold12
High VoltageBlueHot23
GroundBlackCold24
High VoltagePinkHot11
GroundWhiteCold12
High VoltageBlueHot23
GroundBlackCold24

YEONHO 35001HS-02L or equivalent

FunctionColorInputPin No.

23/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

Approval Specification

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

DATA SIGNAL

COLO

R

BASIC
COLO

R

GRAY

SCALE

OF

RED

GRAY

SCALE

OF

GREE

N

GRAY

SCALE

OF

BLUE

DISPLAY

(8bit)

MAGENT

A

DARK

↑

↓

LIGHT

DARK

↑

↓

LIGHT

DARK

↑

↓

LIGHT

G6

G

7

111111111100000000CYAN

000000000011111111RED

:::::::::::::

G3

G

5

4

11111111111111WHITE

G0R7R6R5R4R3R2R1R0

::::::

2

1

:::::::::

G

G

G

BLUEGREENRED

000001111111100000000GREEN

GRAY
SCALE
LEVEL

B7B6B5B4B3B2B1B0

-000000000000000000000000BLACK

-111111110000000000000000BLUE

-000000001111111100000000GREEN

-111111

-000000000000000011111111RED

-111111110000000011111111

-000000001111111111111111YELLOW

-1111111111
R0000000000000000000000000BLACK
R1000000000000000000000001
R2000000000000000000000010

::::::::::::
::::::::::::::::::

:::::::::
::::::::::::::::::

:::::
::::::::::::::::::

R3~

R252

R253000000000000000011111101
R254000000000000000011111110
R255000000

G0000000000000000000000000BLACK
G1000000000000000100000000
G2000000000000001000000000

G3~

G252

G253000000001111110100000000
G254000000001111111000000000
G255000

B0000000000000000000000000BLACK
B1000000010000000000000000
B2000000100000000000000000

B3~

B252

B253111111010000000000000000
B254111111100000000000000000
B255111111110000000000000000BLUE

Note (1) Definition of Gray :

Rn : Red Gray, Gn : Green Gray, Bn : Blue Gray (n = Gray level)

Input Signal : 0 = Low level voltage, 1 = High level voltage

24/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

6. Interface Timing

6.1 Timing Parameters ( DE only mode )

Approval Specification

Approval Specification

Clock

Hsync
Vsync

Vertical

Display Term

Horizontal

Display Term

ITEMSIGNAL

Frequency

Active

Display

Period

Vertical

Total

Active

Display

Period

Horizontal

Total

SYMBO

L

C

H

V

VD

VB

HD

H

NOTEUnitMAX.TYP.MIN.

-MHz67.554451/T

-KHz79.9766453F

-Hz756050F

-lines-1024-T

-lines-10661031T

clocks640640640T

clocks1130844676T

2pixel/clock

2pixel/clock

Note (1) This product is DE only mode. The input of Hsync & Vsync signal does

not have an effect on normal operation.
(2) Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
(3) Internal Vcc = 3.3V

25/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

6.2 Timing diagrams of interface signal ( DE only mode )

TV

Approval Specification

Approval Specification

DE

DE

DCLK

DATA

SIGNALS

TVD

TVB

TH

THD

TC

DCLK

DISPLAY

DATA

DE

TC

TCH

TDS TDH

TES

TCL

0.5
V

0.5
V

CC

0.5
V

CC

CC

26/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

Approval Specification

6.3 Power ON/OFF Sequence

To prevent a latch-up or DC operation of the LCD Module, the power on/off

sequence should be as the diagram below.

300㎲≤T1≤10msec

0≤T2≤50msec
0≤T3≤50msec

1sec≤T4

Back-Light

(Recommended)

500msec≤T5
100msec≤T6

T1 : VDDrising time from 10% to 90%
T2 : The time from V
T3 : The time from valid data off to V
T4 : V

off time for Windows restart

DD

to valid data at power ON.

DD

off at power Off.

DD

T5 : The time from valid data to B/L enable at power ON.
T6 : The time from valid data off to B/L disable at power Off.

 The supply voltage of the external system for the Module input should be the same

as the definition of V

DD

.

 Apply the lamp voltage within the LCD operation range. When the back light turns on

before the LCD operation or the LCD turns off before the back light turns off,
the display may momentarily show abnormal screen.

 In case of V

= off level,

DD

please keep the level of input signals low or keep a high impedance.

 T4 should be measured after the Module has been fully discharged between power off

and on period.

 Interface signal should not be kept at high impedance when the power is on.

27/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

6.4 VDD Power Dip Condition

V

DD

90%

T

Approval Specification

Approval Specification

d

80%

V

CC

GND

4.5V ≤ VDD≤ 5.5V

If VDD(typ.) x 80% ≤ VCC≤ VDD(typ) x 90%

Then, 0<Td ≤20msec

Note (1) The above conditions are for the glitch of the input voltage.

(2) For stable operation of an LCD Module power, please follow them.

i.e., if typ VDD x 80% ≤ Vcc ≤ typ VDD x 90%, then T

should be less than 20ms.

d

28/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

7. Outline Dimension

[ Refer to the next page ]

Approval Specification

Approval Specification

29/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

8. Reliability Test

Approval Specification

Approval Specification

SampleTime/CycleConditionsTest Items

12500 hrs50°C , BiasHTOL*

5500 hrs0°C , BiasLTOL*
5500 hrs40°C / 95% , BiasTHB**
5500 hrs70°C , No BiasHTS***
5500 hrs-30°C , No BiasLTS***
5100 cycle-20°C/30min ~ +60°C/30min , No biasThermal Cycle
51 angle , 3 edge , 6 side , 66 cmBox Drop

Shock

(Non-operating)

Vibration

(Non-operating)

Non-

Operating

ESD 3± 8kV

Operating

Altitude

50G , 11msec
Sine wave , ± x/y/z axis

1.5G , 10~300 Hz
x/y/z axis , sweep rate : 10 min

Contact : 150pF, 330Ω, 100point,

once/point

Air(non-contact) : 150pF, 330Ω, 100point,

once/point

Thermal :-10~50℃, 15000ft(Operating),

40000ft(Non-operating)

Normal :45℃, 15000ft

8Hr

10Hr

[ Result Evaluation Criteria]

Under the display quality test conditions with normal operation state, these should
be no change which may affect practical display functions.

31 time/axis

330min/axis

3± 10kVCDM : 150pF, 330Ω, 9point, 3 times/point

3± 15kV

3

3

* HTOL/ LTOL : High/Low Temperature Operating Life
** THB : Temperature Humidity Bias
*** HTS/LTS : High/Low Temperature Storage

31/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

9. PACKING

9.1 CARTON (Internal Package)

(1) Packing Form

Corrugated fiberboard box and corrugated cardboard as shock absorber

(2) Packing Method

a. Without Inverter

BOTH SIDED TAPE

SHIELDING BAG

Approval Specification

Approval Specification

BOX LABEL

PANEL PROTECTOR

TAPE PAPER(4Point)

CUSHION PAD

PACKING CASE

LABEL SAFETY

OPPTAPE

Note a. Total weight : Approx. 14Kg

b. Acceptance number of pilling : 5 Sets
c. Carton size : 401(M) X 365(D) X 477(H)
d. Max accumulation quantity : 5 cartons

32/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

Approval Specification

(3) Packing Material

10. MARKING & OTHERS

A nameplate bearing followed by is affixed to a shipped product at the specified
location on each product.

(1) Parts number : LTM190EX-L21
(2) Revision: Three letters
(3) Lot number : X X X X XXX

XX X

QualityPart nameNo

5Static electric protective sack1

1 setPacking case(Inner box) included shock absorber2

2 picsPictorial marking3

1 setCarton4

(4) Nameplate Indication

LTM190EX-L21

[Lot Number]

Cell Position No. (In the Glass)
Glass No. (In the one Lot)
Lot No. (Glass)
Month
Year (Note1)
Product code
Line

Week code : 05 02

week
month

40mm

[Revision]

80mm

33/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

(5) Packing box attach

40mm

Approval Specification

Approval Specification

LTM190EX-L21

80mm

(6) Others

a. After service part

Lamps cannot be replaced because of the narrow bezel structure.

Part number
Revision code

Box serial number

34/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

11. General Precautions

Approval Specification

11.1 Handling

(a) When the module is assembled, it should be attached to the system firmly

using all mounting holes. Be careful not to twist and bend the module.

(b) Because the inverter uses high voltages, it should be disconnected from power

source before it is assembled or disassembled.

(c) Refrain from strong mechanical shock and / or any force to the module.

In addition to damage, it may cause improper operation or damage to the module
and CCFT back light.

(d) Note that polarizer films are very fragile and could be damaged easily.

Do not press or scratch the surface harder than a HB pencil lead.

(e) Wipe off water droplets or oil immediately. If you leave the droplets for a long

time, staining or discoloration may occur.
(f) If the surface of the polarizer is dirty, clean it using absorbent cotton or soft cloth.
(g) Desirable cleaners are water, IPA (Isopropyl Alcohol) or Hexane.

Do not use Ketone type materials (ex. Acetone), Ethyl alcohol, Toluene, Ethyl acid

or Methyl chloride. It might cause permanent damage to the polarizer due to chemical

reaction.
(h) If the liquid crystal material leaks from the panel, it should be kept away

from the eyes or mouth . In case of contact with hands, legs or clothes, it must

be washed away with soap thoroughly.
(i) Protect the Module from static, or the CMOS Gate Array IC would be damaged.
(j) Use finger-stalls with soft gloves in order to keep display clean during the

incoming inspection and assembly process.
(k) Do not disassemble the Module.
(l) Do not pull or fold the lamp wire.
(m) Do not adjust the variable resistor located on the Module.
(n) Protection film for polarizer on the Module should be slowly peeled off just before use

so that the electrostatic charge can be minimized.
(o) Pins of I/F connector should not be touched directly with bare hands.

35/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

Approval Specification

11.2 Storage

(a) Do not leave the Module in high temperature, and high humidity for a long time.

It is highly recommended to store the Module with temperature from 0 to 35℃

and relative humidity of less than 70%.
(b) Do not store the TFT-LCD Module in direct sunlight.
(c) The Module should be stored in a dark place. It is prohibited to apply sunlight or

fluorescent light in storing.

11.3 Operation

(a) Do not connect or disconnect the Module in the "Power On" condition.
(b) Power supply should always be turned on/off by the item 6.3

"Power on/off sequence"

(c) Module has high frequency circuits. Sufficient suppression to the electromagnetic

interference should be done by system manufacturers. Grounding and shielding
methods may be important to minimize the interference.

(d) The cable between the back light connector and its inverter power supply should

be connected directly with a minimized length. A longer cable between
the back light and the inverter may cause lower luminance of lamp(CCFT) and
may require higher startup voltage(Vs).

11.4 Operation Condition Guide

(a) The LCD product should be operated under normal conditions.

Normal condition is defined as below;

- Temperature : 20±15℃

- Humidity : 65±20%

- Display pattern : continually changing pattern (Not stationary)

(b) If the product will be used in extreme conditions such as high temperature,

humidity, display patterns or operation time etc.., It is strongly recommended
to contact SEC for Application engineering advice. Otherwise, its reliability and
function may not be guaranteed. Extreme conditions are commonly found at
Airports, Transit Stations, Banks, Stock market, and Controlling systems.

36/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL

Approval Specification

Approval Specification

11.5 Others

(a) Ultra-violet ray filter is necessary for outdoor operation.
(b) Avoid condensation of water. It may result in improper operation or disconnection

of electrode.

(c) Do not exceed the absolute maximum rating value. ( supply voltage variation,

input voltage variation, variation in part contents and environmental temperature,
and so on)
Otherwise the Module may be damaged.

(d) If the Module keeps displaying the same pattern for a long period of time,

the image may be "sticked" to the screen.
To avoid image sticking, it is recommended to use a screen saver.

(e) This Module has its circuitry PCB's on the rear side and should be handled

carefully in order not to be stressed.

(f) Please contact SEC in advance when you display the same pattern for a long time.

37/37Page05-000-G-060321Doc. NoLTM190EX-L21MODEL