LG Display LM230WF1-TLE1 Specification

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Page 1

SPECIFICATION

( ) Preliminary Specification (◆) Final Specification

LM230WF1

Liquid Crystal Display

Product Specification

FOR

APPROVAL

23” Full HD TFT LCDTitle

BUYER HP

MODEL

SIGNATURE DATE

SUPPLIER LG Display Co., Ltd.

*MODEL LM230WF1

SUFFIX TLE1

*When you obtain standard approval,

please use the above model name without suffix

APPROVED BY

K.G. Park / G.Manager

REVIEWED BY

H.S. Kim / Manager [C]

S.Y. An / Manager [M]

C.S Shin / Manager [P]

PREPARED BY

J.Y. Bae / Engineer

DATE

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

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Product Engineering Dept.

LG Display Co., Ltd

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Page 2

Product Specification

Contents

LM230WF1

Liquid Crystal Display

COVER CONTENTS RECORD OF REVISIONS GENERAL DESCRIPTION ABSOLUTE MAXIMUM RATINGS ELECTRICAL SPECIFICATIONS ELECTRICAL CHARACTERISTICS INTERFACE CONNECTIONS

SIGNAL TIMING SPECIFICATIONS SIGNAL TIMING WAVEFORMS COLOR INPUT DATA REFERNECE POWER SEQUENCE POWER DIP CONDITION OPTICAL SPECIFICATIONS

ITEM

Page

1 2 3 41 52 63 6

9 12LVDS characteristics3) 15

16 17 18 19 204

MECHANICAL CHARACTERISTICS RELIABILITY INTERNATIONAL STANDARDS SAFETY EMC PACKING DESIGNATION OF LOT MARK 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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Page 3

Product Specification

Record of revisions

Revision No DescriptionDate Page

LM230WF1

Liquid Crystal Display

Ver. 0.1

Ver. 1.0

Feb, 08, 2010

April, 16, 2010

First Draft, Preliminary Specifications

Final Specifications

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Page 4

LM230WF1

Liquid Crystal Display

Product Specification

1. General description

LM230WF1-TLE1 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 23 inch diagonally measured active display area with FHD resolution (1080 vertical by 1920 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 colorswith 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 LM230WF1-TLE1 characteristics provide an excellent flat panel display foroffice automation products such as monitors.

FIG. 1 Block diagram

LVDS

pair #1

LVDS

pair #2

CN1

(30pin)

+5V VLCD

Power circuit

Timing

controller

block

Lamp

RGB

CN2, 3 (2pin) CN4, 5 (2pin)

Source driver circuit

TFT-LCD Panel

(1920×RGB×1080 pixels)

G1080

Backlight assembly (4 CCFLs)

General features

Active screen size 23 inches(58.42cm) diagonal(Aspect ratio 16:9) Outline Dimension 533.2(H) x 312.0(V) x 16.5(D) mm(Typ.) Pixel Pitch 0.265 mm x 0.265 mm Pixel Format 1920 horiz. By 1080 vert. Pixels RGB stripes arrangement

S1920

Interface LVDS 2Port Color depth 16.7M colors Luminance, white 300 cd/m2 ( Center 1Point, typ) Viewing Angle (CR>10) R/L 170(Typ.), U/D 160(Typ.) Power Consumption

Total 31.4W (Typ.), (5.9W@V Weight 2450 g(typ.) Display operating mode Transmissive mode, normally White Surface treatments

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Hard coating (3H) & Anit-Glare treatment of the front polarizer

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, 25.5W@IBL=7.5mA)

LCD

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Page 5

Product Specification

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

LM230WF1

Liquid Crystal Display

Values

Parameter Notes

Symbol

Units

MaxMin Power Supply Input Voltage Operating Temperature Storage Temperature Operating Ambient Humidity Storage Humidity

LCD

°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%

Wet Bulb Temperature [℃]

40%

10%

Humidity

[(%)RH]

Storage

Operation

At 25℃Vdc+6.0-0.3V

10 20 30 40 50 60 70 800-20 Dry Bulb Temperature [℃]

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LM230WF1

Liquid Crystal Display

Product Specification

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

Parameter Symbol

Values

NotesUnit

MaxTypMin

MODULE : Power Supply Input Voltage Permissive Power Input Ripple

Power Supply Input Current

Power Consumption Inrush current

LCD

LCD-MOSAIC

LCD-BLACK

LCD

RUSH

Vdc5.55.04.5V

Note :

1. The specified current and power consumption are

under the VLCD=5.0V, 25 ± 2°C,fV=60Hz condition whereas mosaic pattern(8 x 6) is displayed and fVis the frame frequency.

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

3. Permissive power ripple should be measured under VCC=5.0V, 25°C, fV (frame frequency)=Max

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

4. The duration of rush current is about 2ms and rising time of power Input is 500us ± 20%.

FIG.3 pattern for Electrical characteristics

3V0.4--V 1mA13501180-I 2mA160014001Watt6.755.9-P 4A3.0--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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Product Specification

Table 3. Electrical characteristics

LM230WF1

Liquid Crystal Display

Parameter Symbol

Values

NotesUnit

MaxTypMin

LAMP :

Operating Voltage Operating Current

830

(8.0mA)

850

(7.5mA)

1000

(3.0mA)

8.07.53.0

RMS

1, 2V

1mA

1, 3VsEstablished Starting Voltage at 25 °C at 0 °C

Operating Frequency Discharge Stabilization Time Power Consumption Life 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 orbrightness, 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 youinstrument.

50000

1500 1800

706040

28.125.5

V V

RMS RMS

4kHz

1, 5Min

6Watt

1, 7Hrs

※ 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. It is only reference voltage in LCM or System.

2. Operating voltage is measured at 25 ± 2°C and follows as below condition,

1) ± 10%＠typical operating voltage is based on single lamp.

2) ± 20%＠typical operating voltage is based on system & test equipment tolerance.

3. The voltage above VSshould be applied to the lamps for more than 1 second for start-up.

(Inverter open voltage must be more than lamp startingvoltage.) 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%. TSis the time required for the brightness of the center of the lamp to be not less than 95%.

6. The lamp power consumption shown above does not include loss of external inverter. The used lamp current is the lamp typical current. (PBL= VBLx IBLx N

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

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

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Lamp

)

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Page 8

Liquid Crystal Display

Product Specification

Note :

8. The output of the inverter must have symmetrical(negative and positive) voltage waveform and symmetrical current waveform (Unsymmetricalratio 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 √2 ±10%.

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

* Asymmetry rate:

I p

| I p– I –p| / I

rms

x 100%

LM230WF1

I -p

* Distortion rate

I p(or I –p) / I

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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Product Specification

3-2. Interface connections

LCD connector(CN1) : GT103-30S-H23(LSM) , IS100-L30B-C23 (UJU) Mating connector : FI-X30H and FI-X30HL (JAE)

Table 4. Module connector(CN1) pin configuration

LM230WF1

Liquid Crystal Display

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 VLCD 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 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)

First Pixel data

Second Pixel data

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FIG. 4 Connector diagram

#1 #30

1’st signal pairs

LM230WF1

Liquid Crystal Display

Product Specification

GT103-30S-H23(LSM)

2’nd signal pairs

Power(+5V)

Rear view of LCM

Note:

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.

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LM230WF1

Liquid Crystal Display

Product Specification

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)

Note : 1. The high voltage power terminal is colored Red, Blue.

2. The low voltage pin color is White, Black.

3. The backlight ground should be common with LCD metal frame.

FIG. 5 Backlight connector view

CN2, 4

Symbol

Red White

Blue

Description

High Voltage for Lamp

Low Voltage for Lamp

Notes

CN3, 5

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Black

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3-3. LVDS characteristics

3-3-1. DC Specification

LM230WF1

Liquid Crystal Display

Product Specification

NotesUnitMaxMinSymbolDescription

LVDS Common mode Voltage LVDS Input Voltage Range

3-3-2. AC Specification

LVDS Clock

LVDS Data

SKEW

LVDS Clock to Data Skew Margin

LVDS Clock to Clock Skew Margin (Even to Odd)

Tclk

SKEW (Fclk

1) 85MHz > Fclk ≥65MHz : -350 ~ +350

2) 65MHz > Fclk ≥25MHz : -600 ~ +600

SKEW_EO

SKEW

= 1/T

-600

-1/7

)

clk

ps+ 350-350t ps+ 600t

+ 1/7t

clk

-mV600200|VID|LVDS Differential Voltage

-V1.80.6V

-V2.10.3V

NotesUnitMaxMinSymbolDescription

85MHz > Fclk ≥ 65MHz 65MHz > Fclk ≥ 25MHz

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3-3-3. LVDS Data format

LM230WF1

Liquid Crystal Display

Product Specification

< Clock skew margin between channel >

Tclk

RCLK +

RXinO0 +/-

RXinO1 +/RXinO2 +/-

RXinO3 +/-

RXinE0 +/-

RXinE1 +/RXinE2 +/-

RXinE3 +/-

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

EG7 EG6 ER7 ER6

Tclk * 4/7 Tclk * 3/7

Tclk * 1/7

OG0 OR5 OR4 OR3 OR2 OR1 OR0

OB1 OB0 OG5 OG4 OG3 OG2 OG1

VSYNC HSYNC

X OB7 OB6 OG7 OG6 OR7 OR6

EG0 ER5 ER4 ER3 ER2 ER1 ER0

EB1 EB0 EG5 EG4 EG3 EG2 EG1

VSYNC HSYNC

X EB7 EB6 EG7 EG6 ER7 ER6

OB5 OB4 OB3 OB2

EB5 EB4 EB3 EB2

Current(Nth) CyclePrevious(N-1)th Cycle Next(N+1)

< LVDS Data Format >

OG0 OR5 OR4

OB1 OB0 OG5

VSYNC HSYNC

X OB7 OB6

EG0 ER5 ER4

EB1 EB0 EG5

VSYNC HSYNC

X EB7 EB6

th Cycle

MSB R7

R6 R5 R4 R3 R2 R1 R0LSB

* ODD = 1st Pixel

EVEN = 2nd Pixel

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Page 14

Liquid Crystal Display

Product Specification

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 8 TTL Input (G6)D10 36 Ground pin for LVDSLVDS GND 9 Power Supply for TTL InputVCC 37 Positive LVDS differential data output 3TxOUT3＋

10 TTL Input (G7)D11 38 Negative LVDS differential data output 3TxOUT3－

LM230WF1

11 TTL Input (G3)D12 39 Positive LVDS differential clock outputTXCLKOUT＋ 12 TTL Input (G4)D13 40 Negative LVDS differential clock outputTXCLKOUT－ 13 Ground pin for TTLGND 41 Positive LVDS differential data output 2TXOUT2＋ 14 TTL Input (G5)D14 42 Negative LVDS differential data output 2TXOUT2－ 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 1TXOUT1＋

46 Negative LVDS differential data output 1TXOUT1－18 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 25 TTL Input (RSVD)D23 26 Power Supply for TTL InputVCC 54 TTL Input (R2)D2

47 Positive LVDS differential data output 0TXOUT0＋

48 Negative LVDS differential data output 0TXOUT0－

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

53 Ground pin for TTLGND

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

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

Notes : 1. Refer to LVDS Transmitter Data Sheet for detail descriptions.

2. 7 means MSB and 0 means LSB at R,G,B pixel data

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LM230WF1

Liquid Crystal Display

Product Specification

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 forit’s proper operation.

Table 7. Timing table

NoteUnitMaxTypMinSymbolITEM

DCLK

Hsync

Vsync

tCLKPeriod

-Frequency tHPPeriod tHVHorizontal Valid tHBHorizontal Blank

fHFrequency

tWHWidth tHBPHorizontal Back Porch tHFPHorizontal Front Porch

tVPPeriod tVVVertical Valid tVBVertical Blank

fVFrequency

tWVWidth

16012864

836664

644832 484816

ns16.713.8911.43

MHz907260 tCLK112010881024 tCLK960960960

KHz tCLK483216

tHP116011001090 tHP108010801080 tHP802010

Hz756050

tHP1642

tVBPVertical Back Porch tVFPVertical Front Porch

Note: Hsyncperiod and Hsyncwidth-active should be even number times of tCLK. If thevalue is odd number

times of tCLK, display control signal can be asynchronous.In order tooperate this LCM a Hsync,

Vsyn, and DE(data enable) signals should be used.

1. The performance of the electro-optical characteristics may be influenced by variance of the vertical refresh rates.

2. Vsyncand Hsyncshould be keep the above specification.

3. HsyncPeriod, HsyncWidth, and Horizontal Back Porch should be any times of of character

number(4).

4. The polarity of Hsync, Vsyncis not restricted.

5, The Max frequency of 1920X1080 resolution is 82.5Mhz

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3285 3283

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Product Specification

3-5. Signal timing waveforms

1. DCLK , DE, DATA waveforms t

CLK

Clk

tad thud

LM230WF1

Liquid Crystal Display

Valid

Invalid

Data

DE(Data Enable)

2. Horizontal waveform

DE(Data Enable)

3. Vertical waveform

Invalid

tsar this

tHV

top

tVV

DE(Data Enable)

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LM230WF1

Liquid Crystal Display

Product Specification

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

Input Color Data

Basic Color

Red

Green

Blue

Color

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

Red

MSB LSB

R7 R6R5 R4 R3 R2 R1 R0 G7G6G5G4 G3G2G1G0B7 B6 B5 B4 B3 B2 B1 B0

MSB LSB

Green

Blue

MSB LSB

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3-7. Power sequence

LM230WF1

Liquid Crystal Display

Product Specification

90% 90%

VLCD Power Supply For LCD

Interface Signal (Tx)

Power for LAMP

Table 9. Power sequence

Parameter

10%

T2 T5 T7

Valid data

OFF

T3 T4

Lamp on

Values

10%

OFF

Units

MaxTypMin

ms10-0.5T1 ms50-0.01T2 ms--500T3

Notes :

1. Please V

power on only after connecting interface cable to LCD.

LCD

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

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

LCD

to 0V.

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

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--200T4

ms ms50-0.01T5

s--1T7

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Product Specification

LM230WF1

Liquid Crystal Display

3-8. V

Power dip condition

LCD

FIG. 6 Power dip condition

1) Dip condition

3.5V ≤V

＜ 4.5V , td≤20ms

LCD

4.5V

3.5V

GND(ground)

2) V

＜ 3.5V

LCD

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

LCD

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LM230WF1

Liquid Crystal Display

Product Specification

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 fromthe LCD surface at a viewing angle of Φ and θ equal to 0 °. FIG. 7 presents additional information concerning the measurement equipment and method.

FIG. 7 Optical characteristic measurement equipment and method

LCD Module

Optical

Stage(x,y)

50cm

Pritchard 880 or equivalent

Table 10. Optical characteristics

SymbolParameter

Surface Luminance, white

Luminance Variation Response Time

Color Coordinates [CIE1931]

Viewing Angle (CR>5)

x axis, right(φ=0°) x axis, left (φ=180°) y axis, up (φ=90°)

y axis, down (φ=270°)

Viewing Angle (CR>10)

x axis, right(φ=0°) x axis, left (φ=180°) y axis, up (φ=90°)

Rise Time Decay Time

RED

GREEN

BLUE

WHITE

Luminance uniformity Angular dependence (TCO’03)

Ta= 25°C, V

R D

Typ

-0.03

=5.0V, fV=60Hz f

LCD

Values

0.644

0.336Ry

0.301Gx

0.611Gy

0.146Bx

0.068By

0.313Wx

0.329Wy

8875θl 8570θu 8570θd

8570θl 7565θu 8575θdy axis, down (φ=270°)

MaxTypMin

-1000700CRContrast Ratio

-300250L

Typ

+0.03

=72MHz, IBL=7.5mA

CLK

NotesUnits

1 2cd/m 3%75δ 4ms2.61.3-Tr 4ms7.43.7-Tr

5Degree8875θr

5Degree8570θr

8%1.5Crosstalk

61.7--LR

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Liquid Crystal Display

Product Specification

Notes :

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

LM230WF1

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 , δ

is defined as

WHITE

Minimum (P1,P2 …..P9)

WHITE

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

Maximum (P1,P2 …..P9)

For more information see Figure 8.

FIG. 8 Luminance measuring point

H/2

H/10

H/2

V/2

V/10

5 6

Active Area

H : 473.76 mm

V : 296.10 mm @ H,V : Active Area

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V/2

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Liquid Crystal Display

Product Specification

Notes :

4. Response time is the time required for the display to transition from black to white (Decay Time, TrD) and from white to black (Rise Time, TrR)

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

LM230WF1

100

Optical

white black white

response

[%]

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

Normal

= 90°, Up

= 180°, Left

= 270°, Down

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= 0°, Right

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Notes :

6. Gray scale specification

Table 11. Gray scale

LM230WF1

Liquid Crystal Display

Product Specification

Luminance [%] (Typ)Gray level

L0 L31 L63 L95

L127 L159 L191 L223 L255

7. The equation of crosstalk: (L (L

FIG. 11 Crosstalk

0.14

1.23

4.98

12.30

23.58

40.03

61.30

84.03 100

A[or C]2-LA[or C]1

B[or D]2-LB[or D]1

/L /L

A[or C]1

B[or D]1

) ×100(%) [Vertical],

) ×100(%) [Horizontal]

Pattern 1

(Half gray: gray 127)

A/2

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A/8

(Background: gray 127, Rectangular: gray 0, gray255)

B/8

B/2

Pattern 2

A/4 A/2 A/4

B/4

B/2

B/4

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LM230WF1

Liquid Crystal Display

Product Specification

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

533.2mmHorizontal

Outline dimension

Bezel area

Active display area

2450 g (Typ.) 2600 g (Max.)Weight

Surface treatment

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

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

312.0mmVertical

16.5 mmDepth

513.8mmHorizontal

291.0mmVertical

509.184mmHorizontal

286.416mmVertical

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Page 25

< FRONT VIEW >

LM230WF1

Liquid Crystal Display

Product Specification

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< REAR VIEW >

LM230WF1

Liquid Crystal Display

Product Specification

9. The COF area is weak & sensitive. So please don’t press the COF area.

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Page 27

Product Specification

6. Reliability

Table 13. Environment test conditions

No Test Item Condition

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 test (non-operating)

Shock test (non-operating)

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

One time each direction

Shock level : 100G Waveform : half sine wave, 2msec Direction : ±X, ±Y, ±Z

One time each direction

LM230WF1

Liquid Crystal Display

Altitude

{ 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.

operating storage / shipment

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

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LM230WF1

Liquid Crystal Display

Product Specification

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 thecouncil of 27

January 2003

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 9kHZto 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

A B C D E F G H I J K L M

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

Note:

1. Year

LM230WF1

Liquid Crystal Display

Product Specification

Year

Mark

2006720078200892009

321

200452005

200320022001

2010

2. Month

Month

Mark

Apr5May

Jun7Jul8Aug9Sep

Oct

b) Location of lot mark

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

8-2. Packing form

a) Package quantity in one box : 7pcs b) Box size : 424mm X 328mm X 603mm

Nov

DecMarFebJan

C321

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LM230WF1

Liquid Crystal Display

Product Specification

9. Precautions

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

9-1. Mounting Precautions

(1) You must mount a module using holes arranged in four cornersor 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.

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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LM230WF1

Liquid Crystal Display

Product Specification

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

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 electricityis 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 thebezel 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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