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LC420WUD-SAB1

42.0”WUXGA TFT LCD

Title

MODEL

General

BUYER *When you obtain standard approval,

please use the above model name without suffix

LC420WUD

*MODEL SAB1(RoHS verified)

SUFFIX

LG.Philips LCD Co., Ltd.SUPPLIER FOR APPROVAL

SPECIFICATION

TV Product Development Dept.

LG. Philips LCD Co., Ltd

S.W.Yu/Engineer

PREPARED BY

S.Y.Paik/Manager

REVIEWED BY

J.T.Kim/Senior Maneger

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DATE

APPROVED BY

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))((Final Specification

●Preliminary Specification

CONTENTS

RECORD OF REVISIONS

1. General Description

LC420WUD is a Color Active Matrix Liquid Crystal Display with an integral External Electrode Fluorescent Lamp(EEFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element.

It is a transmissive type display operating in the normally black mode. It has a 42 inch diagonally measured active display area with WUXGA resolution (1080 vertical by 1920horizontal 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 luminance of the sub-pixel color is determined with a 10-bit gray scale signal for each dot, thus presenting a palette of more than 1.06Billion of colors.

It has been designed to apply the 10-bit 4 port LVDS interface.

It is intended to support LCD TV, PCTV where high brightness, super wide viewing angle, high color gamut, high color depth and fast moving picture response time are important.

General Features

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

Table 1. ABSOLUTE MAXIMUM RATINGS

2. Absolute Maximum Ratings

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.2. Gravity mura can be guaranteed under 40°C condition.

90%

-200

1020

Dry Bulb Temperature [°C ]

Wet Bulb

Temperature [°C ]

Storage

Operation

H u m i d i t y [(%)R H ]

10%

40%

60%

It requires two power inputs. One is employed to power for the LCD circuit. The other Is used for the EEFL backlight circuit.Table 2. ELECTRICAL CHARACTERISTICS

Mosaic Pattern(8 x 6)

White : 1023 Gray Black : 0 Gray

3. Electrical Specifications 3-1. Electrical Characteristics

Notes: 1. The specified current and power consumption are under the V LCD =12.0V, 25 ±2°C, f V =120Hz

condition whereas mosaic pattern(8 x 6) is displayed and f V is the frame frequency.2. The current is specified at maximum current pattern.

3. The duration of rush current is about 2ms and rising time of power input is 0.5ms (min.).

Table 3. ELECTRICAL CHARACTERISTICS (Continue)

Notes :

1. Electrical characteristics are determined after the unit has been ‘ON’and stable for approximately 120

minutes at 25±2°C. The specified current and power consumption are under the typical supply Input voltage 24Vand V BR(V BR-A: 1.65V & V BR-B :3.3V), it is total power consumption.

The ripple voltage of the power supply input voltage is under 0.5 Vp-p. LPL recommend Input Voltage is

24.0V ±5%.

2. Electrical characteristics are determined within 30 minutes at 25±2°C.

The specified currents are under the typical supply Input voltage 24V.

3. The brightness of the lamp after lighted for 5minutes is defined as 100%.

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

The screen of LCD module may be partially dark by the time the brightness of lamp is stable after turn on.

4. Specified Values are for a single lamp which is aligned horizontally.

The life time is determined as the time which luminance of the lamp is 50% compared to that of initial value at the typical lamp current (V BR-A : 1.65V & V BR-B:3.3V), on condition of continuous operating at 25±2°C 5. The duration of rush current is about 10ms.

3-2. Interface Connections

This LCD module employs two kinds of interface connection, 51pin(CN1) and 41pin(CN2) connectors are used for the module electronics and 14-pin connector is used for the integral backlight system.

3-2-1. LCD Module

-LCD Connector(CN1): FI-RE51S-HF or Equivalent, Refer to below table.

-Mating Connector : FI-RE51HL

Table 4-1. MODULE CONNECTOR(CN1) PIN CONFIGURATION

Notes : 1. All GND(ground) pins should be connected together to the LCD module’s metal frame.

2. All V LCD(power input) pins should be connected together.

3. All Input levels of LVDS signals are based on the IEA 664 Standard.

4. Specific pins(pin No. #2~#6) are used for internal data process of the LCD module.

If not used, these pins are no connection.

5. Specific pins(pin No. #8~#9) are used for Inverter test of the LCD module.

If not used, these pins are no connection.

6. Specific pin No. #44 is used for “No signal detection”of system signal interface.

It should be GND for NSB(No Signal Black) during the system interface signal is not.

If this pin is “H”, LCD Module displays AGP(Auto Generation Pattern).

Table 4-2. MODULE CONNECTOR(CN2) PIN CONFIGURATION

4140393837363534333231302928272625242322No

Ground

Ground Fourth CHANNEL E+Fourth CHANNEL E-Fourth CHANNEL D+Fourth CHANNEL D-Ground

Fourth CLOCK CHANNEL Clk+Fourth CLOCK CHANNEL Clk-Ground

Fourth CHANNEL C+Fourth CHANNEL C-Fourth CHANNEL B+Fourth CHANNEL B-Fourth CHANNEL A+Fourth CHANNEL A-Ground

Ground Third CHANNEL E+Third CHANNEL E-Description

GND

GND RE4P RE4N RD4P RD4N GND RCLK4P RCLK4N GND RC4P RC4N RB4P RB4N RA4P RA4N GND GND RE3P RE3N Symbol

Third CHANNEL D+

RD3P

Third CHANNEL C+RC3P 15Third CHANNEL C-RC3N 14Third CHANNEL B+RB3P 13Third CHANNEL B-RB3N 12Third CHANNEL A+RA3P 11No connection NC 2No connection NC 3No connection NC 4No connection NC 5No connection NC 6No connection NC 7No connection NC 8Ground

GND 9Third CHANNEL A-RA3N 10Ground

GND 16Third CLOCK CHANNEL Clk-RCLK3N 17Third CLOCK CHANNEL Clk+RCLK3P 18Ground

GND 19Third CHANNEL D-RD3N 20Description

Symbol

NC No connection(Reserved)1-LCD Connector(CN2): FI-RE41S-HF or Equivalent , Refer to below table -Mating Connector : FI-RE41HL

Note : 1. All GND(ground) pins should be connected together to the LCD module’s metal frame.

Rear view of LCM

#1#51#1#41

[CN1]

-Part/No. : FI-RE51S-HF(JAE)-Mating connector : FI-RE51HL

(Manufactured by JAE)[CN2]

-Part/No. : FI-RE41S-HF(JAE)-Mating connector : FI-RE41HL

(Manufactured by JAE)

Table 5. INVERTER CONNECTOR PIN CONFIGULATION 3-2-2. Backlight Inverter

2, 3

V BR-A Analog dimming voltage

DC 0.0V ~ 3.3V (Typ : 1.65V)V BR-A 11On/Off 0.0V ~ 5.0V

V ON/OFF 124

Status

Normal : Upper 3.0V Abnormal : Under 0.7V

Status

V BR -B GND GND GND GND GND V BL V BL V BL V BL V BL Inv.

3Backlight Ground GND 7Backlight Ground GND 81

Burst dimming voltage DC 0.0V ~ 3.3V V BR -B 13Backlight Ground

GND 10Backlight Ground GND 9Backlight Ground GND 6Power Supply +24.0V V BL 5Power Supply +24.0V

V BL 4

Power Supply +24.0V V BL 3Power Supply +24.0V V BL 2Power Supply +24.0V V BL 1Note

Description

Symbol

Pin No Notes : 1. GND should be connected to the LCD module’s metal frame.

2. If Pin #11 is open, V BR -A = 1.65V. When apply over 1.65V( ~

3.3V) continuously, its luminance is increasing however lamp’s life time is decreasing.

It could be usable for boost up luminance when using DCR (=Dynamic contrast ratio) function only.3. Minimum Brightness : V BR -B =0V Maximum Brightness : V BR -B = 3.3V

4. Even though Pin #14 is open, there is no effect on inverter operating, The output terminal of inverter..

5. Each impedance of pin #11,12 and 13 is 235[K ?], 75[K ?], 140[K ?]Inverter Connector : S14B-PH-SMC

(manufactured by JST)or Equivalent

-Mating Connector : PHR-14 or Equivalent

PCB

◆Rear view of LCM

3-3. Signal Timing Specifications

Table 6 shows the signal timing required at the input of the LVDS transmitter. All of the interface signal timing should be satisfied with the following specification for normal operation.

Table 7 shows the signal timing required at the input of the LVDS transmitter. All of the interface signal timing should be satisfied with the following specification for normal operation.

Note : The Input of HSYNC & VSYNC signal does not have an effect on normal operation(DE Only Mode).

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

3-4. Signal Timing Waveforms

0.7VDD

0.3VDD

Invalid data

Valid data

Invalid data

Pixel 0Pixel 4

Pixel 1Pixel 5

DE(Data Enable)

Valid data

First data

Second data

DE, Data

* t HB = t HFP + t WH +t HBP * t VB = t VFP + t WV +t VBP

* Reference : Sync. Relation

Invalid data

Valid data

Invalid data

Pixel 2Pixel 6

Pixel 3Pixel 7

Valid data

Third data

Forth data

3-5. Color Data Reference

The brightness of each primary color(red,green,blue) is based on the 10-bit gray scale data input for the color. The higher binary input, the brighter the color. Table 8 provides a reference for color versus data input.

3-6. Power Sequence

Note : 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 V LCD to 0V.

3. The T3/T4 is recommended value, the case when failed to meet a minimum specification, abnormal display would be shown. There is no reliability problem.

4. If the on time of signals(Interface signal and Option signals) precedes the on time of Power(V LCD ),check the LCD logic Power(Vcc) is under 0.8V, otherwise it will be happened abnormal display.

5. T6 should be measured after the Module has been fully discharged between power off and on period.

-T2--445334Notes

s --2.0T6ms

ms 0T7ms --0T2ms ms --200T3--200T4ms --0T5ms 20-0.5T1Max Typ Min Unit Value

Parameter

Table 9. POWER SEQUENCE

3-6-1. LCD Driving circuit

Interface Signal (Tx)

Power for Lamp

Power Supply For LCD

V LCD

Option Signal

(LVDS_select)

3-6-2. Sequence for Inverter

Notes : 1. T1 describes rising time of 0V to 24V and is not applied at restarting time.

2. T3(max) is less than T2.

3. In T5 section, V BR-B is 3.3V and V BR-A is 1.65V.

Power Supply For Inverter

V ON/OFF

V BR

V BL

* V BR : (V BR-A , V BR-B )

Table 10. Power Sequence for Inverter

3-6-3. Deep condition for Inverter

V BL (min.) x 0.8

0 V

BL : 24V

3ms --1000T5V BL (min) x 0.8

--T6

-ms --10T42ms 0T31

Remarks

ms --500T2ms --20T1Max Typ Min Units Values

Parameter

Table 11. OPTICAL CHARACTERISTICS

LCD Module

Optical Stage(x,y)

Pritchard 880 or

equivalent

FIG. 1 Optical Characteristic Measurement Equipment and Method

4. Optical Specification

Optical characteristics are determined after the unit has been ‘ON’and stable in a dark environment at 25±2°C. The values specified are at an approximate distance 50cm from the LCD surface at a viewing angle of Φand θequal to 0 °.

FIG. 1 shows additional information concerning the measurement equipment and method.

Ta= 25±2°C, V =12.0V, fV=120Hz, Dclk=297MHz, V BR-A =1.65V, V BR-B =3.3V

Notes :1. . Contrast Ratio(CR) is defined mathematically as :

Surface Luminance at all white pixels

CRn =

Surface Luminance at all black pixels Ii is measured at center 1-point.

2. Surface luminance are determined after the unit has been ‘ON’and 30min after lighting the backlight in a dark environment at 25±2°C. Surface luminance is the luminance value at center 1-point across the LCD surface 50cm from the surface with all pixels displaying white.For more information see the FIG. 2.

3. The variation in surface luminance , δWHITE is defined as :

δWHITE(5P) = Maximum(L on1,L on2, L on3, L on4, L on5) / Minimum(L on1,L on2, L on3, L on4, L on5)Where L on1to L on5are the luminance with all pixels displaying white at 5 locations . For more information, see the FIG. 2.

4. Response time is the time required for the display to transition from G(N) to G(M) (Rise Time, Tr R ) and from G(M) to G(N) (Decay Time, Tr D ). For additional information see the FIG. 3. (N

5. MPRT is defined as the 10% to 90% blur-edge width B ij (pixels) and scroll speed U(pixels/frame)at the moving picture. For more information, see FIG 4.

6. Viewing angle is the angle at which the contrast ratio is greater than 10. 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 module surface. For more information, see the FIG. 5.7. Gray scale specification

Gamma Value is approximately 2.2. For more information, see the Table 12.

Table 12. GRAY SCALE SPECIFICATION

Measuring point for surface luminance & measuring point for luminance variation

FIG.3 Response Time

Response time is defined as the following figure and shall be measured by switching the input signal for “Gray(N)”and “Gray(M)”.

10090

100

Optical Response

N,M = Black ~ White, N

A : H / 4 mm

B : V / 4 mm H : 1039.68 mm V : 584.82 mm

@ H,V : Active Area

FIG. 2 5 Points for Luminance Measure

FIG. 5 Viewing angle

Dimension of viewing angle range

FIG. 4 MPRT

MPRT is defined as the 10% to 90% blur-edge with B ij (pixels) and scroll speed U(pixels/frame)at the moving picture.

L j

i M =

1Bij (i=j)

Example) Bij = 12pixels, U = 10pixels / 120Hz M = 12pixels / (10pixels / 120Hz)= 12pixels / {10pixels / (1/120)s}= 12 / 1,200 s = 10 ms

5. Mechanical Characteristics

Table 13 provides general mechanical characteristics.

Table 13. MECHANICAL CHARACTERISTICS

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