LG.Philips LCD LM230WF1-TLA1 Specification

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LM230WF1

Liquid Crystal Display

Product Specification

SPECIFICATION

FOR

APPROVAL

() Preliminary Specification
( ) Final Specification

BUYER

MODEL

APPROVED BY

/

/

FSC

SIGNATURE

DATE

23” Full HD TFT LCDTitle

LG. Display Co., Ltd.SUPPLIER

LM230WF1*MODEL

TLA1SUFFIX

*When you obtain standard approval,

please use the above model name without suffix

APPROVED BY

H.S. Kim / G.Manager

REVIEWED BY

D.I. Chung / Manager

SIGNATURE

DATE

PREPARED BY

/

Please return 1 copy for your confirmation with

your signature and comments.

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LM230WF1

Liquid Crystal Display

Product Specification

Contents

PageITEMNo

COVER

CONTENTS

RECORD OF REVISIONS

GENERAL DESCRIPTION1

ABSOLUTE MAXIMUM RATINGS2

ELECTRICAL SPECIFICATIONS3

ELECTRICAL CHARACTREISTICS3-1

INTERFACE CONNECTIONS3-2

SIGNAL TIMING SPECIFICATIONS3-3

SIGNAL TIMING WAVEFORMS3-4

COLOR INPUT DATA REFERNECE3-5

POWER SEQUENCE3-6

OPTICAL SFECIFICATIONS4

MECHANICAL CHARACTERISTICS5

RELIABLITY6

1

2

3

4

5

6

6

8

12

13

14

15

17

23

26

INTERNATIONAL STANDARDS7

SAFETY7-1

EMC7-2

PACKING8

DESIGNATION OF LOT MARK8-1

PACKING FORM8-2

PRECAUTIONS9

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LM230WF1

Liquid Crystal Display

Product Specification

RECORD OF REVISIONS

Revision No

Revision

Date

DescriptionPage

First Draft(Preliminary)-July.04.20080.0

16July.15.20080.1

Max Frequency is 87.5Mhz, Min Frequency is 60Mhz and Min H total
is 1000

Mechanical drawing is updated. Cover shied27

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1. General Description

LM230WF1 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 Full HD 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 colors with A-FRC(Advanced Frame Rate Control).
It has been designed to apply the 8Bit 2 port LVDS interface.
It is intended to support displays where high brightness, super wide viewing angle,
high color saturation, and high color are important.

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LM230WF1

Liquid Crystal Display

Product Specification

RGB, Dclk, DE
Hsync, Vsync

(LVDS 2 port)

V

(+5V)

LCD

V

Lamp

V

Lamp

CN1

(30pin)

General Features

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

23 inches(58.42cm) diagonalActive Screen Size

533.2(H) x 312.0(V) x 16.5(D) mm(Typ.)Outline Dimension

0.266 mm x 0.266 mmPixel Pitch

TimingControl

Block

PowerCircuit Block

Figure 1. Block diagram

Source Driver Circuit

S1920S1

Gate Driver circuit

G1

TFT-LCD Panel

(1680 × 1050pixels)

G1080

Backlight Assembly(4 CCFL)

1920 horiz. By 1080 vert. Pixels RGB stripes arrangementPixel Format

8-bit with A-FRC, 16,777,216 colorsColor Depth

300 cd/m

2

(Center 1 point)Luminance, White

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

Total 30.25 Watt (Typ.) ( 4.75 Watt @VLCD, 25.5 Watt @300cd/])Power Consumption

2600g(typ.)Weight

Transmissive mode, normally WhiteDisplay Operating Mode

Surface Treatment

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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LM230WF1

Liquid Crystal Display

Product Specification

Parameter Notes

Symbol

Values

MaxMin

Units

Power Input Voltage

Operating Temperature

Storage Temperature

Operating Ambient Humidity

Storage Humidity

500TOP

60-20TST

C

C

%RH9010HOP

%RH9010HST

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.

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ڑڋ

ڑڋڀ

ڏڋ

ڐڋ

ڏڋڀ

ڣېۈۄڿۄۏ۔ ڶڃڀڄڭڣڸ

ڌڋڀ

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گۀۈۋۀۍڼۏېۍۀ ڶڞڸ

ڎڋ

ڍڋ

ڌڋ

ڋ

at 25 ± 2CVdc5.54.5VLCD

1

ڮۏۊۍڼۂۀ

ڪۋۀۍڼۏۄۊۉ

ڌڋ ڍڋ ڎڋ ڏڋ ڐڋ ڑڋ ڒڋ ړڋڋڈڍڋ

ڟۍ۔ ڝېۇڽ گۀۈۋۀۍڼۏېۍۀ ڶڞڸ

Figure 2. Temperature and relative humidity

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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, is typically generated by an inverter. The inverter is an
external unit to the LCDs.

Table 2-1. ELECTRICAL CHARACTERISTICS

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LM230WF1

Liquid Crystal Display

Product Specification

Parameter Symbol

MODULE :

VLCDPower Supply Input Voltage

Differential Impedance

-

ILCDPower Supply Input Current

-

-Pc TYP

Power Consumption

-PcMAX

Values

MaxTypMin

5.554.5

Vdc

Ohm11010090Zm

1064950

14001250

5.2254.75

6.8756.25

Note :

1. Permissive power ripple should be measured under VCC=5.0V, 25C, fV(frame frequency)=MAX

condition and At that time, we recommend the bandwidth configuration of oscilloscope is to be under
20Mhz. See the next page.

NotesUnit

1mVp-p400VdRFPermissive Power Input Ripple

2mA

3mA

2Watt

3Watt

4A3.0--IRUSHRush current

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

=5.0V, 25 ± 2C,fV=60Hz condition

LCD

whereas Mosaic and max power pattern shown in the [ Figure 3 ] is displayed.

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

4. Maximum Condition of Inrush current :
The duration of rush current is about 2ms and rising time of Input Voltage is 1ms(min.).
At any rising time of Input voltage, Keep the I2T Value by below Condition

Condition : I2T < 32*2ms

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• Permissive Power input ripple (VCC=5.0V, 25C, fV(frame frequency)=MAX condition)

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LM230WF1

Liquid Crystal Display

Product Specification

White pattern

• Power consumption (VCC=5.0V, 25C, fV (frame frequency=60Hz condition)

Typical power Pattern

Figure 3. Mosaic pattern & Black Pattern for power consumption measurement

Black pattern

Max power Pattern

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Table 2_2. ELECTRICAL CHARACTERISTICS

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LM230WF1

Liquid Crystal Display

Product Specification

Values

MaxTypMin

1000 (3.0mA)850 (7.5mA)830(8.0mA)

8.07.53.0

1500

1800

706040

3

28.125.5

RMS

RMS

V

RMS

V

RMS

LAMP :

Life Time

Parameter Symbol

VBLOperating Voltage

IBLOperating Current

at 25 C

at 0 C

fBLOperating Frequency

TsDischarge Stabilization Time

PBLPower Consumption

50000

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.

NotesUnit

1, 2V

1mA

1, 3VsEstablished Starting Voltage

4kHz

1, 5Min

6Watt

1, 7Hrs

1. Specified values are for a single lamp.

2. Operating voltage is measured at 25 ± 2C. The variance of the voltage is ± 10%.

3. The voltage above V

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

S

(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

= VBLx IBLx N

BL

Lamp

)

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 ± 2C.

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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 2 10%.

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

I p

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Product Specification

* Asymmetry rate:

|I

– I–p|/ I

p

x100%

rms

LM230WF1

Liquid Crystal Display

I -p

* Distortion rate

(or I–p)/ I

I

p

rms

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

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3-2. Interface Connections

This LCD employs Two interface connections, a 30 pin connector is used for the module electronics and a
14Pin Connector is used for the integral backlight system.

3-2-1. LCD Module

- LCD Connector(CN1): KDF71G-30S-1H, (Manufactured by Hirose )

- Mating Connector : FI-X30C2L (Manufactured by JAE) or Equivalent

Table 3 MODULE CONNECTOR(CN1) PIN CONFIGURATION

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LM230WF1

Liquid Crystal Display

Product Specification

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Note: 1. All GND(ground) pins should be connected together and to Vss which should also be connected to

the LCD’s metal frame.

2. All V

LCD (power input) pins should be connected together.

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

Rear view of LCM

#1 #30

#1 #30

KDF71G-30S-1H

[ Figure 4 ] Connector diagram

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