LG Display LC320DXN-SFR1 Specification

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LC320DXN

Product Specification

SPECIFICATION

FOR

APPROVAL

Title 32.0” WXGA TFT LCD

BUYER General

MODEL

APPROVED BY

/

/

SIGNATURE

DATE

SUPPLIER LG Display Co., Ltd.

*MODEL LC320DXN

SUFFIX SFR1 (RoHS Verified)

*When you obtain standard approval,

please use the above model name without suffix

APPROVED BY

J.T. KIM / Team Leader

REVIEWED BY

J.Y.JEONG / Project Leader

SIGNATURE

DATE

PREPARED BY

/

Please return 1 copy for your confirmation with

your signature and comments.

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Y.H. LEE / Engineer

TV Product Development Dept.

LG Display Co., Ltd

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LC320DXN

Product Specification

CONTENTS

Number ITEM

COVER

CONTENTS

RECORD OF REVISIONS

1 GENERAL DESCRIPTION

2 ABSOLUTE MAXIMUM RATINGS

3 ELECTRICAL SPECIFICATIONS

3-1 ELECTRICAL CHARACTERISTICS

3-2 INTERFACE CONNECTIONS

3-3 SIGNAL TIMING SPECIFICATIONS

3-4 LVDS SIGNAL SPECIFICATIONS

3-5 COLOR DATA REFERENCE

3-6 POWER SEQUENCE

4 OPTICAL SPECIFICATIONS

Page

1

2

3

4

5

6

6

8

10

11

14

15

17

5 MECHANICAL CHARACTERISTICS

6 RELIABILITY

7 INTERNATIONAL STANDARDS

7-1 SAFETY

7-2 EMC

7-3 ENVIRONMENT

8 PACKING

8-1 DESIGNATION OF LOT MARK

8-2 PACKING FORM

9 PRECAUTIONS

9-1 MOUNTING PRECAUTIONS

9-2 OPERATING PRECAUTIONS

9-3 ELECTROSTATIC DISCHARGE CONTROL

9-4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE

9-5 STORAGE

21

24

25

25

25

25

26

26

26

27

27

27

28

28

28

9-6 HANDLING PRECAUTIONS FOR PROTECTION FILM

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Product Specification

RECORD OF REVISIONS

Revision No. Revision Date Page Description

1.0 Oct. 30, 2012 Final Specification

LC320DXN

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LC320DXN

Product Specification

1. General Description

The LC320DXN is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (LED)
backlight system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissive display type which is operating in the normally black mode. It has a 31.51 inch diagonally
measured active display area with WXGA resolution (768 vertical by 1366 horizontal pixel array).
Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in Horizontal stripes.
Gray scale or the luminance 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(6bit + A-FRC) colors.
It has been designed to apply the 8-bit 1-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 response time are important.

Mini LVDS(RGB)

LVDS Select

LVDS 1Port

+12.0V

#9

CN1

(30pin)

EEPROM

SCL

SDA

Timing Controller

[LVDS Rx]

Power Circuit

Power Signals

+24.0V, GND, On/off

Ext VBR-B

Block

LED Driver

General Features

Active Screen Size 31.51 inches(800.4mm) diagonal

Control
Signals

Source Driver Circuit

S1 S1366

G1

TFT - LCD Panel

(1366 Ý 768 x RGB pixels)

[Gate In Panel]

G768

Back light Assembly

Outline Dimension 725.2 X 424.4 X 35(B)(Typ.)

Pixel Pitch

Pixel Format 1366 horiz. by 768 vert. pixels RGB stripe arrangement

Color Depth 8bit(D), 16,7 M colors

Luminance, White 300 cd/m

Viewing Angle (CR>10) Viewing angle free ( R/L 178(Min.), U/D 178(Min.))

Power Consumption Total 38.68 Watt (Logic=4.08 W , LED Driver =34.6W @ [ExtVbr_B=100%] )

Weight 3.8kg (Typ)

Display Operating Mode Transmissive mode, normally black

Surface Treatment Hard coating(3H), Anti-glare treatment of the front polarizer (Haze < 1%)

Ver. 1.0

510.75༁ x 510.75༁ x R,G,B

2

(Center 1 point) (Typ.)

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LC320DXN

Product Specification

2. Absolute Maximum Ratings

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

Table 1. ABSOLUTE MAXIMUM RATINGS

Parameter Symbol

Unit Note

Min Max

Value

LCD Circuit V

LCD -0.3 +14.0 VDC

Power Input Voltage

Driver V

ON/OFF V

BL -0.3 + 27.0 VDC

OFF / VON -0.3 +5.5 VDC

Driver Control Voltage

Brightness EXTVBR-B -0.3 +5.5 VDC

T-Con Option Selection Voltage VLOGIC -0.3 +4.0 VDC

Operating Temperature TOP 0+50

Storage Temperature T

Panel Front Temperature T

Operating Ambient Humidity H

Storage Humidity H

Note

1. Ambient temperature condition (Ta = 25 r 2 ¶C )

ST -20 +60

SUR -+68

OP 10 90 %RH

ST 10 90 %RH

¶C

¶C

¶C

2. Temperature and relative humidity range are shown in the figure below.

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

3. Gravity mura can be guaranteed below 40¶C condition.

4. The maximum operating temperatures is based on the test condition that the surface temperature

of display area is less than or equal to 68¶C with LCD module alone in a temperature controlled chamber.
Thermal management should be considered in final product design to prevent the surface temperature of
display area from being over 68୅. The range of operating temperature may be degraded in case of
improper thermal management in final product design.

1

2,3

4

2,3

90%

60

60%

Wet Bulb
Temperature [

10

0

10 20 30 40 50 60 70 800-20

Dry Bulb Temperature [

¶C]

20

50

40

40%

30

Humidity [(%)RH]

10%

¶C]

Storage

Operation

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LC320DXN

Product Specification

3. Electrical Specifications

3-1. Electrical Characteristics

It requires two power inputs. One is employed to power for the LCD circuit. The other Is used for the LED
backlight and LED Driver circuit.

Table 2. ELECTRICAL CHARACTERISTICS

Value

Parameter Symbol

Min Typ Max

Circuit :

Unit Note

Power Input Voltage V

LCD

10.8 12.0 13.2 V

- 340 445 mA 1

Power Input Current I

Power Consumption P

Rush current I

Note

1. The specified current and power consumption are under the V
condition, and mosaic pattern(8 x 6) is displayed and f

LCD

LCD

RUSH

- 430 560 mA 2

- 4.08 5.30 Watt 1

- - 3.0 A 3

=12.0V, Ta=25 r 2¶C, fV=60Hz

LCD

is the frame frequency.

V

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

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

4. Ripple voltage level is recommended under ·5% of typical voltage

White : 255 Gray
Black : 0 Gray

DC

Mosaic Pattern(8 x 6)

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Product Specification

Table 3. ELECTRICAL CHARACTERISTICS (Continue)

LC320DXN

Parameter Symbol

Min Typ Max

LED Driver :

Power Supply Input Voltage VBL 22.8 24.0 25.2 Vdc 1

Power Supply Input Current IBL_A

Power Supply Input Current (In-Rush) Irush - - 4 A

Power Consumption PBL -

On/Off

Brightness Adjust ExtV

ExtVBR-B Frequency

ExtVBR-B Level

On V on 2.5 - 5.0 Vdc

Off V off -0.3 0.0 0.7 Vdc

BR-B

PAL 100 Hz 3

NTSC 120 Hz 3

High Level 2.5 - 5.0

Low Level 0.0 - 0.7

-

5 - 100

1 - 100

Values

1.5 1.7 A Ext V

34.6 38.1

Unit Notes

WExt V

%

Vdc

Vdc

BR-B = 100%

BL = 22.8V

V

BR-B = 100%

Ext V

BR-B = 100%

On Duty

HIGH : on duty

LOW : off duty

4

6

LED :

Life Time 30,000 50,000 Hrs 2

Notes :

1. Electrical characteristics are determined after the unit has been ‘ON’ and stable for approximately 60

minutes at 25·2¶C. The specified current and power consumption are under the typical supply Input voltage
24Vand V

BR (ExtVBR-B : 100%), it is total power consumption.

2. The life time (MTTF) is determined as the time which luminance of the LED is 50% compared to that of initial
value at the typical LED current (ExtVBR-B :100%) on condition of continuous operating in LCM state at
25·2¶C.

3. LGD recommend that the PWM freq. is synchronized with One time harmonic of V_sync signal of system.
Though PWM frequency is over 120Hz (max 252Hz), function of LED Driver is not affected.

4. The duration of rush current is about 200ms. This duration is applied to LED on time.

5. Even though inrush current is over the specified value, there is no problem if I

6. ExtV

After Driver ON signal is applied, ExtV
After that, ExtV

signal have to input available duty range and sequence.

BR-B

should be sustained from 5% to 100% more than 500ms.

BR-B

1% and 100% is possible

BR-B

2

T spec of fuse is satisfied.

For more information, please see 3-6-2. Sequence for LED Driver.

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Product Specification

3-2. Interface Connections

This LCD module employs two kinds of interface connection, a 30-pin connector is used for the module
electronics and 14-pin connector is used for the integral backlight system.

3-2-1. LCD Module

- LCD Connector(CN1) : KDF71G-30S-1H(Hirose) or FI-X30SSL-HF(JAE)

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

Table 4. MODULE CONNECTOR(CN1) PIN CONFIGURATION

Pin No. Symbol Description Note

1 VLCD Power Supply +12.0V
2 VLCD Power Supply +12.0V
3 VLCD Power Supply +12.0V
4 VLCD Power Supply +12.0V
5 GND Ground
6 GND Ground
7 GND Ground
8 GND Ground

9
10
11 GND Ground
12 RA- LVDS Receiver Signal(-)
13 RA+ LVDS Receiver Signal(+)
14 GND Ground
15 RB- LVDS Receiver Signal(-)
16 RB+ LVDS Receiver Signal(+)
17 GND Ground
18 RC- LVDS Receiver Signal(-)
19 RC+ LVDS Receiver Signal(+)
20 GND Ground
21 RCLK- LVDS Receiver Clock Signal(-)
22 RCLK+ LVDS Receiver Clock Signal(+)
23 GND Ground
24 RD- LVDS Receiver Signal(-)
25 RD+ LVDS Receiver Signal(+)
26 GND Ground
27
28

29

30 GND Ground

LVDS Select ಫHಬ =JEIDA , ಫLಬ or NC = VESA

uj No Connection

uj
uj
uj

No Connection
No Connection

No Connection

Appendix IV

LC320DXN

4

4
4

4

Notes :

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

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

3. All Input levels of LVDS signals are based on the EIA 644 Standard.

4. These pins are used only for LGD (Do not connect)

5. Specific pin No. #30 is used for “No signal detection” of system signal interface.

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

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

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Product Specification

3-2-2. Backlight Module

Master

-LED Driver Connector

: 20022WR - H14B2(Yeonho)

-.Mating Connector
: 20022HS - 14B2

Table 5. LED DRIVER CONNECTOR PIN CONFIGURATION

Pin No Symbol Description Note

LC320DXN

1

2

3

4

5

6

7

8

9

10

11

12

13

14

VBL Power Supply +24.0V

VBL Power Supply +24.0V

VBL Power Supply +24.0V

VBL Power Supply +24.0V

VBL Power Supply +24.0V

GND

GND

GND

GND

GND

Status

ON/OFF

V

NC Don’t care

EXTVBR-B External PWM

Backlight Ground

Backlight Ground

Backlight Ground

Backlight Ground

Backlight Ground

Back Light Status 2

Backlight ON/OFF control

1

Notes : 1. GND should be connected to the LCD module’s metal frame.

2. Normal : Low (under 0.7V) / Abnormal : open

3. High : on duty / Low : off duty, Pin#14 can be opened. ( if Pin #14 is open , EXTVBR-B is 100% )

4. Each impedance of pin #12 and 14 is over 50 [KΩ].

ଝ Rear view of LCM

ଝ Status

PCB

1

14

…

1

14

…

<Master>

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LC320DXN

Product Specification

3-3. Signal Timing Specifications

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

ITEM Symbol Min Typ Max Unit Note

Horizontal

Vertical

Frequency

Display

Period

Blank t

Total t

Display

Period

Blank tVB

Total t

HV - 1366 - tclk

t

HB 90 162 410 tclk

HP 1456 1528 1776 tclk

VV - 768 - tHP

t

VP

20

(126)

788

(894)

22

(180)

790

(948)

240

(295)

1008

(1063)

t

t

HP 1

HP

ITEM Symbol Min Typ Max Unit Note

DCLK f

Horizontal f

CLK 63.0 72.4 80.0 MHz

H 45 47.4 55 KHz 2

2

Vertical f

V

57

(47)

60

(50)

63

(53)

Hz

NTSC :

57~63Hz

(PAL : 47~53Hz)

Note: 1. The input of HSYNC & VSYNC signal does not have an effect on normal operation (DE Only Mode).

If you use spread spectrum of EMI, add some additional clock to minimum value for clock margin.

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

୔ Timing should be set based on clock frequency.

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3-4. Signal Timing Waveforms

3-4-1. LVDS Input Signal Timing Diagram

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LC320DXN

Product Specification

DCLK

1366

tCLK

DE(Data Enable)

0.5 Vcc

Invalid data

DE, Data

Valid data

1

0.7VDD

tHV

0.3VDD

1366

Invalid data

DE(Data Enable)

768

tHT

1 768

tVV

tVT

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