LG Display LM190E08-TLGD Specification

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୛

( ) Preliminary Specification
(

) Final Specification

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LM190E08

Liquid Crystal Display

Product Specification

SPECIFICATION

FOR

APPROVAL

BUYER

MODEL

SIGNATURE DATE

/

/

DELL

19.0” SXGA TFT LCDTitle

SUPPLIER LG Display Co., Ltd.

*MODEL LM190E08

SUFFIX TLGD

*When you obtain standard approval,

please use the above model name without suffix

APPROVED BY

S.G. Hong / G.Manager

REVIEWED BY

S.J. So / Manager [C]

S.Y. An / Manager [M]

H.S. Lee / Manager [P]

DATE

/

Please return 1 copy for your confirmation
With your signature and comments.

Ver. 1.0 Sep. 08, 2008

PREPARED BY

S.W. Lee / Engineer

Product Engineering Dept.

LG Display Co., Ltd

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LM190E08

Liquid Crystal Display

Product Specification

Contents

No

COVER

CONTENTS

RECORD OF REVISIONS

GENERAL DESCRIPTION

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL SPECIFICATIONS

1)

ELECTRICAL CHARACTERISTICS

2)

INTERFACE CONNECTIONS

3)

LVDS characteristics

4)

SIGNAL TIMING SPECIFICATIONS

5)

SIGNAL TIMING WAVEFORMS

6)

COLOR INPUT DATA REFERNECE

7)

POWER SEQUENCE

8)

POWER DIP CONDITION

OPTICAL SFECIFICATIONS

ITEM

Page

1

2

3

41

52

63

6

9

12

15

16

17

18

19

204

MECHANICAL CHARACTERISTICS

RELIABILITY

INTERNATIONAL STANDARDS

1)

SAFETY

2)

EMC

PACKING

1)

DESIGNATION OF LOT MARK

2)

PACKING FORM

255

286

297

29

29

308

30

30

31PRECAUTIONS9

31MOUNTING PRECAUTIONS1)

31OPERATING PRECAUTIONS2)

32ELECTROSTATIC DISCHARGE CONTROL3)

32PRECAUTIONS FOR STRONG LIGHT EXPOSURE4)

32STROAGE5)

32HANDLING PRECAUTIONS FOR PROTECTION FILM6)

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Revision No DescriptionDate Page

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LM190E08

Liquid Crystal Display

Product Specification

Record of revisions

Ver 0.0

Ver 1.0

June. 21, 2008

Sep. 08, 2008

Preliminary Specifications.

Final Specifications.

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1. General description

LM190E08-TLGD is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Fluorescent
Lamp(CCFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element. It is a
transmissive type display operating in the normally white mode. It has a 19.0 inch diagonally measured active
display area with SXGA resolution (1024 vertical by 1280 horizontal pixel array) Each pixel is divided into Red,
Green and Blue sub-pixels or dots which are arranged in vertical stripes. Gray scale or the brightness of the
sub-pixel color is determined with a 8-bit gray scale signal for each dot, thus, presenting a palette of more than
16,7M colors with Advanced-FRC(Frame Rate Control). It has been designed to apply the interface method
that enables low power, high speed, low EMI. FPD Link or compatible must be used as a LVDS(Low Voltage
Differential Signaling) chip. It is intended to support applications where thin thickness, wide viewing angle, low
power are critical factors and graphic displays are important. In combination with the vertical arrangement of
the sub-pixels, the LM190E08-TLGD characteristics provide an excellent flat panel display for office automation
products such as monitors.

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LM190E08

Liquid Crystal Display

Product Specification

FIG. 1 Block diagram

LVDS

pair #1

LVDS

pair #2

CN1

+5V

LCD

V

Power circuit

block

Timing

controller

RGB

CN2, 3 (2pin)

CN4, 5 (2pin)

Source driver circuit

S1

G1

TFT-LCD Panel

(1280ÝRGBÝ1024 pixels)

G1024

Backlight assembly (4 CCFLs)

S1280

General features

Active screen size 19.0 inches (481.9mm) diagonal

Outline Dimension 396.0(H) x 324.0(V) x 15.5(D) mm(Typ.)

Pixel Pitch 0.098*RGB(H)mm x 0.294(V)mm

Pixel Format 1280 horizontal By 1024 vertical Pixels. RGB stripe arrangement

Interface LVDS 2Port

Color depth 16.7M colors

2

Luminance, white 300 cd/m

( Center 1Point, typ)

Viewing Angle (CR>10) R/L 170(Typ.), U/D 160(Typ.)

Power Consumption

Total 24.8W(Typ.), ( 4.2W@V

, 20.6W@IBL=7.5mA)

LCD

Weight 1,950g (Typ.)

Display operating mode Transmissive mode, normally White

Surface treatments Hard coating (3H), Anti-glare treatment of the front polarizer

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2. Absolute maximum ratings

The following are maximum values which, if exceeded,
may cause faulty operation or damage to the unit.

Table 1. Absolute maximum ratings

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LM190E08

Liquid Crystal Display

Product Specification

Values

Parameter Notes

Symbol

Units

MaxMin

Power Supply Input Voltage

Operating Temperature

Storage Temperature

Operating Ambient Humidity

Storage Humidity

LCD

OP

ST

OP

ST

¶C500T

¶C60-20T

%RH9010H

%RH9010H

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

Wet bulb temperature should be 39 ¶C Max, and no condensation of water.

FIG. 2 Temperature and relative humidity

90%

60

60%

Wet Bulb
Temperature [୅]

20

10

0

30

40

50

40%

10%

Humidity

[(%)RH]

Storage

Operation

At 25୅Vdc+6.0-0.3V

1

10 20 30 40 50 60 70 800-20

Dry Bulb Temperature [୅]

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3. Electrical specifications

3-1. Electrical characteristics

It requires two power inputs. One is employed to power the LCD electronics and to drive the
TFT array and liquid crystal. The second input power for the CCFL/Backlight, is typically
generated by an inverter. The inverter is an external unit to the LCDs.

Table 2. Electrical characteristics

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LM190E08

Liquid Crystal Display

Product Specification

Parameter Symbol

Values

MaxTypMin

MODULE :

Power Supply Input Voltage

Permissive Power Input Ripple

Power Supply Input Current

Power Consumption

Inrush current

LCD

LCD

LCD-MOSAIC

I

LCD-BLACK

LCD

RUSH

-I

-

-P

966840

1127980

4.834.2

Vdc5.55.04.5V

Note :

1. The specified current and power consumption are
under the V

LCD=5.0V, 25 r 2¶C,f

whereas mosaic pattern(8 x 6) is displayed and f

=60Hz condition

V

is the frame frequency.

V

2. The current is specified at the maximum current pattern.

3. Permissive power ripple should be measured under VCC=5.0V, 25¶C, f

(frame frequency)=75Hz

V

condition and At that time, we recommend the bandwidth configuration of oscilloscope
is to be under 20MHz.

4. The duration of rush current is about 5ms and rising time of power Input is 500us r 20%.

FIG.3 pattern for Electrical characteristics

NotesUnit

3V0.2--V

1mA

2mA

1Watt

3A3.0--I

power consumption measurement

White : 255Gray
Black : 0Gray

Mosaic Pattern(8 x 6)

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power input ripple

Full Black Pattern

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Table 3. Electrical characteristics

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LM190E08

Liquid Crystal Display

Product Specification

Parameter

Sym

bol

Values

MaxTypMin

NotesUnit

LAMP :

Operating Voltage

Operating Current

V

BL

BL

675

(8.0mA)

685

(7.5mA)

790

(3.0mA)

8.07.53.0I

RMS

RMS

1, 2V

1mA

1, 3VsEstablished Starting Voltage

at 25 ¶C

at 0 ¶C

Operating Frequency

Discharge Stabilization Time

Power Consumption

1,100

1,400

BL

S

BL

V

V

RMS

RMS

4kHz70-40f

1, 5Min3--T

6Watt22.6120.55P

1, 7Hrs-50,000Life Time

Note :

The design of the inverter must have specifications for the lamp in LCD Assembly.
The performance of the Lamp in LCM, for example life time or brightness, is extremely influenced
by the characteristics of the DC-AC inverter. So all the parameters of an inverter should be carefully
designed so as not to produce too much leakage current from high-voltage output of the inverter.
When you design or order the inverter, please make sure unwanted lighting caused by the mismatch of
the lamp and the inverter (no lighting, flicker, etc) never occurs. When you confirm it, the LCD–Assembly
should be operated in the same condition as installed in you instrument.

୔ Do not attach a conducting tape to lamp connecting wire. If the lamp wire attach to a conducting tape,

TFT-LCD Module has a low luminance and the inverter has abnormal action.
Because leakage current is occurred between lamp wire and conducting tape.

1. Specified values are for a single lamp.

2. Operating voltage is measured at 25 r 2¶C. The variance of the voltage is r 10%.

3. The voltage above V
(Inverter open voltage must be more than lamp starting voltage.)

Otherwise, the lamps may not be turned on. The used lamp current is the lamp typical current.

4. Lamp frequency may produce interface with horizontal synchronous frequency and as a result

this may cause beat on the display. Therefore lamp frequency shall be as away possible from
the horizontal synchronous frequency and from its harmonics in order to prevent interference.

5. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%.

T

is the time required for the brightness of the center of the lamp to be not less than 95%.

S

6. The lamp power consumption shown above does not include loss of external inverter.

The used lamp current is the lamp typical current. (P

7. The life is determined as the time at which brightness of the lamp is 50% compared to that

of initial value at the typical lamp current on condition of continuous operating at 25 r 2¶C.

should be applied to the lamps for more than 1 second for start-up.

S

= VBLx IBLx N

BL

Lamp

)

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Note :

8. The output of the inverter must have symmetrical(negative and positive) voltage

waveform and symmetrical current waveform (Unsymmetrical ratio is less than 10%).
Please do not use the inverter which has unsymmetrical voltage and unsymmetrical
current and spike wave. Requirements for a system inverter design, which is intended to
have a better display performance, a better power efficiency and a more reliable lamp,
are following.It shall help increase the lamp lifetime and reduce leakage current.

a. The asymmetry rate of the inverter waveform should be less than 10%.
b. The distortion rate of the waveform should be within Ĝ2 f10%.

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

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LM190E08

Liquid Crystal Display

Product Specification

* Asymmetry rate:

I p

| I

p

–I –p| / I

rms

x 100%

* Distortion rate

I -p

I

(or I –p) / I

p

9. The inverter which is combined with this LCM, is highly recommended to connect
coupling(ballast) condenser at the high voltage output side. When you use the inverter
which has not coupling(ballast) condenser, it may cause abnormal lamp lighting because
of biased mercury as time goes.

10.In case of edgy type back light with over 4 parallel lamps, input current and voltage
wave form should be synchronized

rms

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3-2. Interface connections

LCD connector(CN1) : IS100-L30O-C23 (UJU) , 187034-30091 (P-TWO)

Table 4. Module connector(CN1) pin configuration

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LM190E08

Liquid Crystal Display

Product Specification

Pin No

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

Symbol Description

RXO0­RXO0+
RXO1­RXO1+
RXO2­RXO2+
GND
RXOC­RXOC+
RXO3­RXO3+
RXE0­RXE0+
GND
RXE1­RXE1+
GND
RXE2­RXE2+
RXEC­RXEC+
RXE3­RXE3+
GND
NC
NC
NC

LCD

V
VLCD
VLCD

Minus signal of 1st channel 0 (LVDS)
Plus signal of 1st channel 0 (LVDS)
Minus signal of 1st channel 1 (LVDS)
Plus signal of 1st channel 1 (LVDS)
Minus signal of 1st channel 2 (LVDS)
Plus signal of 1st channel 2 (LVDS)
Ground (AGP)
Minus signal of 1st clock channel (LVDS)
Plus signal of 1st clock channel (LVDS)
Minus signal of 1st channel 3 (LVDS)
Plus signal of 1st channel 3 (LVDS)
Minus signal of 2nd channel 0 (LVDS)
Plus signal of 2nd channel 0 (LVDS)
Ground
Minus signal of 2nd channel 1 (LVDS)
Plus signal of 2nd channel 1 (LVDS)
Ground
Minus signal of 2nd channel 2 (LVDS)
Plus signal of 2nd channel 2 (LVDS)
Minus signal of 2nd clock channel (LVDS)
Plus signal of 2nd clock channel (LVDS)
Minus signal of 2nd channel 3 (LVDS)
Plus signal of 2nd channel 3 (LVDS)
Ground
No Connection (For LCD internal use only.)
No Connection (For LCD internal use only.)
No Connection (For LCD internal use only.)
Power Supply (5.0V)
Power Supply (5.0V)
Power Supply (5.0V)

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FIG. 4 Connector diagram

1’st signal pairs

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Product Specification

IS100-L30O-C23(UJU)

#
1

#1 #30

2’nd signal pairs

#30

LM190E08

Liquid Crystal Display

Note:

Power(+5V)

PWM_OUT

Rear view of LCM

1. NC: No Connection.

2. All GND(ground) pins should be connected together and to Vss which should also

be connected to the LCD’s metal frame.

3. All V

(power input) pins should be connected together.

LCD

4. Input Level of LVDS signal is based on the IEA 664 Standard.

5. PWM_OUT is a reference signal for inverter control.

This PWM signal is synchronized with vertical frequency.

Its frequency is 3 times of vertical frequency, and its duty ratio is 50%.

If the system don’t use this pin, do not connect.

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The backlight interface connector is a model 35001HS-02LD manufactured by YEONHO.
The mating connector part number are 35001WR-02L(2pin) or equivalent.
The pin configuration for the connector is shown in the table below.

Table 5. Backlight connector pin configuration(CN2,CN3,CN4,CN5)

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LM190E08

Liquid Crystal Display

Product Specification

Pin

1

2

Notes: 1. The high voltage power terminal is colored gray, sky blue.

2. The low voltage pin color is black, blue.

FIG. 5 Backlight connector diagram

Up side

Down side

Symbol

HV

LV

Lamp1

Lamp2

Lamp3

Description

High Voltage for Lamp

Low Voltage for Lamp

Notes

1

2

CN2

CN3

CN4

Lamp4

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3-3. LVDS characteristics

3-3-1. DC Specification

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LM190E08

Liquid Crystal Display

Product Specification

LVDS Common mode Voltage

LVDS Input Voltage Range

3-3-2. AC Specification

LVDS Clock

LVDS Data

LVDS Clock to Data Skew Margin

LVDS Clock to Clock Skew Margin
(Even to Odd)

NotesUnitMaxMinSymbolDescription

|LVDS Differential Voltage

ID

CM

IN

T

clk

SKEW (Fclk

t

1) 85 MHz > Fclk ˻65 MHz : - 400 ~ +400

SKEW

t

2) 65 MHz > Fclk ˻25 MHz : - 600 ~ +600

= 1/T

clk

)

-mV600200|V

-V1.80.6V

-V2.10.3V

NotesUnitMaxMinSymbolDescription

85MHz > Fclk ˻ 65MHz

SKEW

SKEW

SKEW_EO

- 600

-1/7

+ 1/7t

ps+ 400- 400t

65MHz > Fclk ˻ 25MHz

ps+ 600t

T

clk

-

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LM190E08

Liquid Crystal Display

Product Specification

t SKEW_EO

LVDS Odd Clock

LVDS Even Clock

LVDS Even Data

3-3-3. LVDS Data format

RCLK +

RXinO0 +/-

RXinO1 +/-

RXinO2 +/-

RXinO3 +/-

RXinE0 +/-

RXinE1 +/-

RXinE2 +/-

OR3 OR2 OR1 OR0

OG4 OG3 OG2 OG1

OB5 OB4 OB3 OB2

OG7 OG6 OR7 OR6

ER3 ER2 ER1 ER0

EG4 EG3 EG2 EG1

EB5 EB4 EB3 EB2

Tclk*4/7 Tclk *3/7

clk

T

clk

T

< Clock skew margin between channel >

Tclk

Tclk*1/7

OG0 OR5 OR4 OR3 OR2 OR1 OR0

OB1 OB0 OG5 OG4 OG3 OG2 OG1

VSYNC HSYNC

DE

X OB7 OB6 OG7 OG6 OR7 OR6

EG0 ER5 ER4 ER3 ER2 ER1 ER0

EB1 EB0 EG5 EG4 EG3 EG2 EG1

VSYNC HSYNC

DE

OB5 OB4 OB3 OB2

EB5 EB4 EB3 EB2

OG0 OR5 OR4

OB1 OB0 OG5

VSYNC HSYNC

DE

X OB7 OB6

EG0 ER5 ER4

EB1 EB0 EG5

VSYNC HSYNC

DE

MSB R7

R6

R5

R4

R3

R2
R1

R0LSB

* ODD = 1st Pixel

EVEN = 2nd Pixel

RXinE3 +/-

EG7 EG6 ER7 ER6

X EB7 EB6 EG7 EG6 ER7 ER6

Current(Nth) CyclePrevious(N-1) t h C yc l e Next(N+1)

< LVDS Data Format >

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X EB7 EB6

th Cycle

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Table 6. Required signal assignment for Flat Link(NS:DS90CF383) transmitter

Pin # Require SignalPin Name Pin # Require SignalPin Name

1 Power Supply for TTL InputVCC 29 Ground pin for TTLGND

2 TTL Input (R7)D5 30 TTL Input (DE)D26

3 TTL Input (R5)D6 31 TTL Level clock InputTXCLKIN

4 TTL Input (G0)D7 32 Power Down InputPWR DWN

5 Ground pin for TTLGND 33 Ground pin for PLLPLL GND

6 TTL Input (G1)D8 34 Power Supply for PLLPLL VCC

7 TTL Input (G2)D9 35 Ground pin for PLLPLL GND

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LM190E08

Liquid Crystal Display

Product Specification

8 TTL Input (G6)D10 36 Ground pin for LVDSLVDS GND

9 Power Supply for TTL InputVCC 37 Positive LVDS differential data output 3TxOUT3ు

10 TTL Input (G7)D11 38 Negative LVDS differential data output 3TxOUT3ృ

11 TTL Input (G3)D12 39 Positive LVDS differential clock outputTXCLKOUTు

12 TTL Input (G4)D13 40 Negative LVDS differential clock outputTXCLKOUTృ

13 Ground pin for TTLGND 41 Positive LVDS differential data output 2TXOUT2ు

14 TTL Input (G5)D14 42 Negative LVDS differential data output 2TXOUT2ృ

15 TTL Input (B0)D15 43 Ground pin for LVDSLVDS GND

16 TTL Input (B6)D16 44 Power Supply for LVDSLVDS VCC

17 Power Supply for TTL InputVCC 45 Positive LVDS differential data output 1TXOUT1ు

46 Negative LVDS differential data output 1TXOUT1ృ18 TTL Input (B7)D17

19 TTL Input (B1)D18

20 TTL Input (B2)D19

22 TTL Input (B3)D20

23 TTL Input (B4)D21

24 TTL Input (B5)D22

47 Positive LVDS differential data output 0TXOUT0ు

48 Negative LVDS differential data output 0TXOUT0ృ

49 Ground pin for LVDSLVDS GND21 Ground pin for TTL InputGND

50 TTL Input (R6)D27

51 TTL Input (R0)D0

52 TTL Input (R1)D1

25 TTL Input (RSVD)D23

26 Power Supply for TTL InputVCC 54 TTL Input (R2)D2

53 Ground pin for TTLGND

55 TTL Input (R3)D327 TTL Input (HSYNC)D24

56 TTL Input (R4)D428 TTL Input (VSYNC)D25

Notes : Refer to LVDS Transmitter Data Sheet for detail descriptions.

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3-4. Signal timing specifications

This is the signal timing required at the input of the User connector. All of the interface signal
timing should be satisfied with the following specifications for it’s proper operation.

Table 7. Timing table

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LM190E08

Liquid Crystal Display

Product Specification

Parameter

D

CLK

Horizontal

Vertical

DE
(Data Enable)

Data

Period

Frequency

Horizontal Valid

H Period Total

Hsync Frequency

Vertical Valid

V Period Total

Vsync Frequency

DE Setup Time

DE Hold Time

Data Setup Time

Data Hold Time

Symbol

t

CLK

f

CLK

t

HV

t

HP

H

t

VV

VP

V

SI

HI

t

SD

HD

Min.

14.4

43.2

640

672

1024

4

Typ.

18.5

54.0

640

844

1024

-

Max.

23.2

69.3

640

1022

1024

153610661032t

--4t

--4t

-

--4t

Unit

ns

MHz

t

CLK

kHz82.164.051.2f

t

HP

Hz776048f

ns

ns

Notes

wG
aG{UXW_to¡

For D

CLK

For D

CLK

Note:

1. LM190E08-TLGD is DE Only mode operation. The input of Hsync & Vsync signal does not
have an effect on LCD normal operation.

2. The performance of the electro-optical characteristics may be influenced by variance of the

vertical refresh rates.

3. Horizontal period should be even.

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3-5. Signal timing waveforms

1. DCLK , DE, DATA waveforms

t

CLK

Dclk

t

Invalid

Data

DE(Data Enable)

SD

t

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Product Specification

t

HD

SI

Valid

LM190E08

Liquid Crystal Display

Invalid

t

HI

2. Horizontal waveform

DE(Data Enable)

3. Vertical waveform

DE(Data Enable)

tHV

tVV

tHP

t

DE

VP

DE

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3-6. Color input data reference

The brightness of each primary color (red,green and blue) is based on the 8bit gray scale data
input for the color ; the higher the binary input, the brighter the color. The table below
provides a reference for color versus data input.

Table 8. Color data reference

Color

MSB LSB

R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0

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Product Specification

Input Color Data

Red

MSB LSB

Green

LM190E08

Liquid Crystal Display

Blue

MSB LSB

Basic
Color

Red

Green

Blue

Black
Red (255)
Green (255)
Blue (255)
Cyan
Magenta
Yellow
White

Red(000) Dark
Red(001)
Red(002)

---------

--------­Red(253)
Red(254)
Red(255) Bright

Green(000) Dark
Green(001)
Green(002)

---------

--------­Green(253)
Green(254)
Green(255)Bright

Blue(000) Dark
Blue(001)
Blue(002)

---------

--------­Blue(253)
Blue(254)
Blue(255) Bright

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

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0

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0

0

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0

0

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0

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0

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0

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0

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0

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0

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1

0

1

1

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3-7. Power sequence

V

LCD

Power Supply For LCD

Interface Signal (Tx)

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Product Specification

90% 90%

10%

T2 T5 T7

T1

Valid data

LM190E08

Liquid Crystal Display

10%

Power for LAMP

Table 9. Power sequence

Parameter

0V

OFF

T3

Lamp on

Values

T4

OFF

MaxTypMin

--200T4

Units

ms10-0.5T1

ms50-0.01T2

ms--200T3

ms

ms50-0.01T5

ms--500T7

Notes :

1. Please avoid floating state of interface signal at invalid period.

2. When the interface signal is invalid, be sure to pull down the power supply for
LCD V

LCD

to 0V.

3. Lamp power must be turn on after power supply for LCD an interface signal are valid.

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LM190E08

Liquid Crystal Display

Product Specification

3-8. V

Power dip condition

LCD

FIG. 6 Power dip condition

1) Dip condition

3.5V ᆙV

౒ 4.5V , tdᆙ20ms

LCD

V

LCD

4.5V

3.5V

t

d

GND(ground)

2) V

౒ 3.5V

LCD

V

-dip conditions should also follow the Power On/Off conditions for supply voltage.

LCD

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4. Optical specification

Optical characteristics are determined after the unit has been ‘ON’ for 30 minutes in a dark
environment at 25¶C. The values specified are at an approximate distance 50cm from the LCD
surface at a viewing angle of ) and T equal to 0 ¶.
FIG. 7 presents additional information concerning the measurement equipment and method.

FIG. 7 Optical characteristic measurement equipment and method

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LM190E08

Liquid Crystal Display

Product Specification

Optical

Stage(x,y)

Table 10. Optical characteristics

SymbolParameter

Surface Luminance, white

Luminance Variation

Response Time

Color Coordinates
[CIE1931]

Viewing Angle (CR>5)

x axis, right(I=0¶)
x axis, left (I=180¶)
y axis, up (I=90¶)

y axis, down (I=270¶)

Viewing Angle (CR>10)

x axis, right(I=0¶)
x axis, left (I=180¶)
y axis, up (I=90¶)

Rise Time

Decay Time

RED

GREEN

BLUE

WHITE

G

WHITE

sGGT
hGG

O{jv’WZP

Color grayscale linearity

LCD Module

50cm

WH

9P

R

D

Rx

Tr

Tl

Tu

Td

Tr

Tl

Tu
Tdy axis, down (I=270¶)

Ta= 25¶C, V

Typ

-0.03

=5.0V, fV=60Hz f

LCD

Values

0.641

0.335Ry

0.298Gx

0.608Gy

0.147Bx

0.070By

0.313Wx

0.329Wy

8875

8570

8570

8570

7560

8570

+0.03

MaxTypMin

-800500CRContrast Ratio

-300250L

Typ

Pritchard 880
or equivalent

=54MHz, IBL=7.5mA

CLK

2

%1.5Crosstalk

NotesUnits

1

2cd/m

3%75

4ms2.61.3-Tr

4ms7.43.7-Tr

5Degree8875

5Degree8570

61.7--LR

80.018ȟu’v’

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Notes :

1. Contrast ratio(CR) is defined mathematically as :It is measured at center point(1)

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LM190E08

Liquid Crystal Display

Product Specification

Contrast ratio = ---------------------------------------------------------

Surface luminance with all white pixels

Surface luminance with all black pixels

2. Surface luminance is the luminance value at center 1 point(1) across
the LCD surface 50cm from the surface with all pixels displaying white.

For more information see FIG 8.

3. The variation in surface luminance , G

WHITE

is defined as

Minimum (P1,P2 …..P9)

G

= --------------------------------------------- *100

WHITE

Maximum (P1,P2 …..P9)

For more information see Figure 8.

FIG. 8 Luminance measuring point

<Measuring point for luminance variation> <Measuring point for surface luminance>

H/2

H

H/10

H/2

H

V

V/2

V/10

Active Area

3

56

7

1

8

H : 376.320 mm

42

9

V : 301.056 mm
@ H,V : Active Area

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Notes :

4. Response time is the time required for the display to transition from black to white
(Decay Time, Tr

The sampling rate is 2,500 sample/sec. For additional information see FIG. 9.

The response time is defined as the following figure and shall be measured by
switching the input signal for each gray to gray.

FIG. 9 Response time

) and from white to black (Rise Time, TrR)

D

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LM190E08

Liquid Crystal Display

Product Specification

Tr

R

Tr

D

100

90

Optical

white black white

response

[%]

10

0

5. Viewing angle is the angle at which the contrast ratio is greater than 10 or 5. The angles are
determined for the horizontal or x axis and the vertical or y axis with respect to the z axis
which is normal to the LCD surface. For more information see FIG. 10 .

FIG. 10 Viewing angle

<Dimension of viewing angle range>

Normal

E

Y

I

= 90q, Up

I

= 180q, Left

T

I

I

= 0q, Right

I

= 270q, Down

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Product Specification

Notes :

6. Luminance Uniformity - angular – dependence (LR& TB)

TCO ‘03 Luminance uniformity – angular dependence, is the capacity of the VDU
to present the same Luminance level independently of the viewing direction.
The angular-dependent luminance uniformity is calculated as the ratio of maximum
luminance to minimum luminance in the specified measurement areas.

- Test pattern : 80% white pattern

- Test point : 2-point

- Test distance : D * 1.5 = 72.39༃

- Test method : L

R

T

= ((L
= ((L

B

max.+30deg.

max.+15deg.

/ L

min. +30deg.

/ L

min. +15deg.

) + (L

)

max. -30deg.

/ L

min. -30deg.

LM190E08

Liquid Crystal Display

)) / 2

FIG. 11 Luminance Uniformity angular dependence

< Luminance uniformity - angular dependence measuring point >

H

D

T

V/2

V

L

V/2

C

B

H/10

7. Gray scale specification

Table 11. Gray scale

Luminance [%] (Typ)Gray level

L0

L31

L63

L95

L127

L159

L191

L223

L255

0.14

1.23

4.98

12.30

23.58

40.03

61.30

84.03

100

V/10

R

V/10

H/10

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Product Specification

Notes :

8. Color grayscale linearity , ȟu’v’ is defined as

Where indices A and B are the two gray levels found to have the largest color differences
between them.

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

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22

)''()''( BABA vvuu  

LM190E08

Liquid Crystal Display

-Test pattern : 100% full white pattern with a test pattern as shown FIG.12
Squares of 40mm by 40mm in size, filled with 255, 225, 195, 165, 135 and 105
grayscale steps should be arranged in the center of the screen.

-Test method

First 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 255 gray square into the center and measure both luminance and

u’ and v’ coordinates.
The same procedure shall then be repeated for gray steps 195, 165, 135 and 105.

FIG. 12 Color grayscale linearity

40mm

40mm

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5. Mechanical characteristics

The contents provide general mechanical characteristics. In addition the figures in the next
page are detailed mechanical drawing of the LCD.

Table 12. Mechanical characteristics

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LM190E08

Liquid Crystal Display

Product Specification

396.0 mmHorizontal

Outline dimension

Bezel area

Active display area

1,950g (Typ.) 2,050g (Max)Weight

Surface treatment

Notes : Please refer to a mechanic drawing in terms of tolerance at the next page.

Hard coating(3H)
Anti-glare treatment of the front polarizer

324.0 mmVertical

15.5 mmDepth

380.3 mmHorizontal

305.0 mmVertical

376.320 mmHorizontal

301.056 mmVertical

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<FRONT VIEW>

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LM190E08

Liquid Crystal Display

Product Specification

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<REAR VIEW>

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LM190E08

Liquid Crystal Display

Product Specification

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6. Reliability

Table 13. Environment test conditions

No Test Item Condition

5

Vibration test
(non-operating)

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LM190E08

Liquid Crystal Display

Product Specification

Ta= 60¶C 240hrsHigh temperature storage test1

Ta= -20¶C 240hrsLow temperature storage test2

Ta= 50¶C 50%RH 240hrsHigh temperature operation test3

Ta= 0¶C 240hrsLow temperature operation test4

Wave form : random
Vibration level : 1.0GRMS
Bandwidth : 10-300Hz
Duration : X,Y,Z, 20 min

One time each direction

Shock level : 120G

6

7

{ Result evaluation criteria }
There should be no change which might affect the practical display function when the display

quality test is conducted under normal operating condition.

Shock test
(non-operating)

Altitude

operating
storage / shipment

Waveform : half sine wave, 2msec
Direction : ᇹX, ᇹY, ᇹZ

One time each direction

0 - 10,000 feet(3,048m)
0 - 40,000 feet(12,192m)

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7. International standards

7-1. Safety

a) UL 60950-1:2003, First Edition, Underwriters Laboratories, Inc.,

Standard for Safety of Information Technology Equipment.

b) CAN/CSA C22.2, No. 60950-1-03 1st Ed. April 1, 2003, Canadian Standards Association,

Standard for Safety of Information Technology Equipment.

c) EN 60950-1:2001, First Edition,

European Committee for Electro-technical Standardization(CENELEC)
European Standard for Safety of Information Technology Equipment.

d) RoHS, Directive 2002/95/EC of the European Parliament and of the council of 27

January 2003

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LM190E08

Liquid Crystal Display

Product Specification

7-2. EMC

a) ANSI C63.4 “Methods of Measurement of Radio-Noise Emissions from Low-Voltage

Electrical and Electrical Equipment in the Range of 9kHZ to 40GHz. “American National
Standards Institute(ANSI),1992

b) C.I.S.P.R “Limits and Methods of Measurement of Radio Interface Characteristics of

Information Technology Equipment.“ International Special Committee on Radio
Interference.

c) EN 55022 “Limits and Methods of Measurement of Radio Interface Characteristics of

Information Technology Equipment.“ European Committee for Electro-technical
Standardization.(CENELEC), 1998 ( Including A1: 2000 )

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8. Packing

8-1. Designation of lot mark

a) Lot mark

ABCDEFGHI JKLM

A,B,C : Size (Inch) D : Year
E : Month F ~ M : Serial No.

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LM190E08

Liquid Crystal Display

Product Specification

Note:

1. Year

Year

Mark

200320022001

200452005

321

4

2006720078200892009

6

2010

0

2. Month

Month

Mark

Apr5May

4

Jun7Jul8Aug9Sep

6

Oct

Nov

A

b) Location of lot mark

Serial No. is printed on the label. The label is attached to the backside of the LCD module.
This is subject to change without prior notice.

8-2. Packing form

a) Package quantity in one box : 8 pcs

b) Box size :374mm X318mm X474mm

DecMarFebJan

B

C321

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9. Precautions

Please pay attention to the followings when you use this TFT LCD module.

9-1. Mounting Precautions

(1) You must mount a module using holes arranged in four corners or four sides.
(2) You should consider the mounting structure so that uneven force (ex. Twisted stress) is

not applied to the Module. And the case on which a module is mounted should have
sufficient strength so that external force is not transmitted directly to the module.

(3) Please attach the surface transparent protective plate to the surface in order to protect

the polarizer. Transparent protective plate should have sufficient strength in order to the

resist external force.
(4) You should adopt radiation structure to satisfy the temperature specification.
(5) Acetic acid type and chlorine type materials for the cover case are not desirable because

the former generates corrosive gas of attacking the polarizer at high temperature and the

latter causes circuit break by electro-chemical reaction.
(6) Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder

than HB pencil lead. And please do not rub with dust clothes with chemical treatment.

Do not touch the surface of polarizer for bare hand or greasy cloth.

(Some cosmetics are detrimental to the polarizer.)

(7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft

materials like chamois soaks with petroleum benzene. Normal-hexane is recommended

for cleaning the adhesives used to attach front / rear polarizers. Do not use acetone,

toluene and alcohol because they cause chemical damage to the polarizer.
(8) Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer

causes deformations and color fading.
(9) Do not open the case because inside circuits do not have sufficient strength.

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LM190E08

Liquid Crystal Display

Product Specification

9-2. Operating precautions

(1) The spike noise causes the mis-operation of circuits. It should be lower than following

voltage : V=·200mV(Over and under shoot voltage)

(2) Response time depends on the temperature.(In lower temperature, it becomes longer.)
(3) Brightness depends on the temperature. (In lower temperature, it becomes lower.)

And in lower temperature, response time(required time that brightness is stable after
turned on) becomes longer.

(4) Be careful for condensation at sudden temperature change. Condensation makes damage

to polarizer or electrical contacted parts. And after fading condensation, smear or spot will

occur.
(5) When fixed patterns are displayed for a long time, remnant image is likely to occur.
(6) Module has high frequency circuits. Sufficient suppression to the electromagnetic

interference shall be done by system manufacturers. Grounding and shielding methods
may be important to minimized the interference.

(7) Please do not give any mechanical and/or acoustical impact to LCM. Otherwise, LCM can

not be operated its full characteristics perfectly.

(8) A screw which is fastened up the steels should be a machine screw (if not, it causes metal

foreign material and deal LCM a fatal blow)
(9) Please do not set LCD on its edge.

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9-3. Electrostatic discharge control

Since a module is composed of electronic circuits, it is not strong to electrostatic discharge.
Make certain that treatment persons are connected to ground through wrist band etc. And
don’t touch interface pin directly.

9-4. Precautions for strong light exposure

Strong light exposure causes degradation of polarizer and color filter.

9-5. Storage

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LM190E08

Liquid Crystal Display

Product Specification

When storing modules as spares for a long time, the following precautions are necessary.

(1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep

the temperature between 5¶C and 35¶C at normal humidity.

(2) The polarizer surface should not come in contact with any other object.

It is recommended that they be stored in the container in which they were shipped.

9-6. Handling precautions for protection film

(1) The protection film is attached to the bezel with a small masking tape.

When the protection film is peeled off, static electricity is generated between
the film and polarizer. This should be peeled off slowly and carefully by people who are
electrically grounded and with well ion-blown equipment or in such a condition, etc.

(2) When the module with protection film attached is stored for a long time,

sometimes there remains a very small amount of glue still on the bezel
after the protection film is peeled off.

(3) You can remove the glue easily. When the glue remains on the bezel surface or

its vestige is recognized, please wipe them off with absorbent cotton waste or
other soft material like chamois soaked with normal-hexane.

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