LC320DXE
Product Specification
SPECIFICATION
FOR
APPROVAL
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Preliminary Specification |
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( ● ) |
Final Specification |
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Title |
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32.0” WXGA TFT LCD |
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BUYER |
General |
MODEL
SUPPLIER |
LG Display Co., Ltd. |
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*MODEL |
LC320DXE |
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SUFFIX |
SFR1 (RoHS Verified) |
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APPROVED BY |
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SIGNATURE |
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Please return 1 copy for your confirmation with your signature and comments.
APPROVED BY |
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REVIEWED BY
PREPARED BY
TV Product Development Dept.
LG Display Co., Ltd.
Ver. 1.2 |
1 / 35 |
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LC320DXE |
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Product Specification |
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CONTENTS |
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Number |
ITEM |
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COVER |
1 |
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CONTENTS |
2 |
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RECORD OF REVISIONS |
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1 |
GENERAL DESCRIPTION |
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2 |
ABSOLUTE MAXIMUM RATINGS |
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3 |
ELECTRICAL SPECIFICATIONS |
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3-1 |
ELECTRICAL CHARACTERISTICS |
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3-2 |
INTERFACE CONNECTIONS |
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3-3 |
SIGNAL TIMING SPECIFICATIONS |
10 |
3-4 |
LVDS SIGNAL SPECIFICATIONS |
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3-5 |
COLOR DATA REFERENCE |
12 |
3-6 |
POWER SEQUENCE |
13 |
4 |
OPTICAL SPECIFICATIONS |
14 |
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MECHANICAL CHARACTERISTICS |
20 |
6 |
RELIABILITY |
23 |
7 |
INTERNATIONAL STANDARDS |
24 |
7-1 |
SAFETY |
24 |
7-2 |
EMC |
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7-3 |
ENVIRONMENT |
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PACKING |
25 |
8-1 |
INFORMATION OF LCM LABEL |
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8-2 |
PACKING FORM |
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PRECAUTIONS |
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9-1 |
MOUNTING PRECAUTIONS |
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9-2 |
OPERATING PRECAUTIONS |
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9-3 |
ELECTROSTATIC DISCHARGE CONTROL |
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9-4 |
PRECAUTIONS FOR STRONG LIGHT EXPOSURE |
27 |
9-5 |
STORAGE |
27 |
9-6 |
HANDLING PRECAUTIONS FOR PROTECTION FILM |
27 |
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Ver. 1.2 |
2 / 35 |
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LC320DXE
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Product Specification |
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RECORD OF REVISIONS |
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Revision No. |
Revision Date |
Page |
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Description |
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1.0 |
Apr, 08, 2013 |
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CAS Version 1.0 Release |
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Final Specification |
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Ver. 1.2 |
3 / 35 |
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LC320DXE
Product Specification
1. General Description
The LC320DXE is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (LED) back light s ys tem . T he m atr ix em plo ys a - Si T hin F ilm T rans is tor as the active elem ent . 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 + 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.
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EEPROM |
Mini-LVDS(RGB) |
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Source Driver Circuit |
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SCL |
SDA |
S1 |
S1366 |
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LVDS Select #9 |
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G1 |
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CN1 |
Timing Controller |
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(30pin) |
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LVDS 1Port |
[LVDS Rx] |
Control |
TFT - LCD Panel |
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Signals |
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+12.0V |
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(1366 × 768 x RGB pixels) |
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[Gate In Panel] |
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Power Circuit |
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G768 |
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Block |
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Power Signals |
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LED Anode |
CN1 (7pin) |
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Back light Assembly |
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LED Cathode |
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General Features
Active Screen Size |
31.51 inches(800.4mm) diagonal |
Outline Dimension |
725.2 mm(H) x 424.4 mm(V) x 35.0 mm(D) (Typ.) |
Pixel Pitch |
170.25 x 510.75 x RGB |
Pixel Format |
1366 horiz. by 768 vert. pixels RGB stripe arrangement |
Color Depth |
8bit(D), 16,7 M colors |
Luminance, White |
300 cd/m2 (Center 1 point) (Typ.) |
Viewing Angle (CR>10) |
Viewing angle free ( R/L 178(Min.), U/D 178(Min.)) |
Power Consumption |
Total 35.66 W (Typ.) (Logic=3.1 W , LED Driver = 32.56 W [(IF_cathode=400mA)]) |
Weight |
3,800g (Typ.) |
Display Mode |
Transmissive mode, Normally black |
Surface Treatment |
Hard coating(3H), Anti-glare treatment of the front polarizer (Haze < 1%) |
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Ver. 1.2 |
4 / 35 |
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LC320DXE
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 |
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Unit |
Note |
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Min |
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Max |
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Power Input Voltage |
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LCD Circuit |
VLCD |
-0.3 |
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+14.0 |
VDC |
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1 |
LED Input Voltage |
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Forward Voltage |
VF |
- |
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+98 |
VDC |
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T-Con Option Selection Voltage |
VLOGIC |
-0.3 |
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+4.0 |
VDC |
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Operating Temperature |
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TOP |
0 |
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+50 |
°C |
2,3 |
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Storage Temperature |
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TST |
-20 |
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+60 |
°C |
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Panel Front Temperature |
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TSUR |
- |
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+68 |
°C |
4 |
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Operating Ambient Humidity |
HOP |
10 |
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90 |
%RH |
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Storage Humidity |
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HST |
10 |
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90 |
%RH |
2,3 |
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Notes 1. Ambient temperature condition (Ta = 25 2 °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.
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90% |
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60 |
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60% |
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50 |
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[(%)RH] |
Storage |
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Wet Bulb |
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Temperature [°C] |
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40 |
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Humidity |
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40% |
Operation |
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30 |
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20 |
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10 |
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0 |
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10% |
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-20 |
0 |
10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
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Dry Bulb Temperature [°C] |
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Ver. 1.2 |
5 / 35 |
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LC320DXE
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
Table 2. ELECTRICAL CHARACTERISTICS
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Parameter |
Symbol |
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Unit |
notes |
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Min |
Typ |
Max |
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Circuit : |
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Power Input Voltage |
VLCD |
10.8 |
12.0 |
13.2 |
VDC |
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255 |
332 |
mA |
1 |
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Power Input Current |
ILCD |
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320 |
416 |
mA |
2 |
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Power Consumption |
PLCD |
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3.1 |
4.0 |
Watt |
1 |
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Rush current |
IRUSH |
- |
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4.0 |
A |
3 |
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Notes : 1. The specified current and power consumption are under the VLCD=12.0V, Ta=25 2°C, fV=60Hz condition, and mosaic pattern(8 x 6) is displayed and fV is the frame frequency.
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
Mosaic Pattern(8 x 6)
Ver. 1.2 |
6 / 35 |
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LC320DXE |
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Product Specification |
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Table 3. ELECTRICAL CHARACTERISTICS (Continue) |
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Parameter |
Symbol |
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Values |
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Unit |
Note |
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Min |
Typ |
Max |
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Backlight Assembly : |
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Forward Current |
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Anode |
IF (anode) |
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400 |
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mAdc |
±5% |
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(one array) |
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Cathode |
IF (cathode) |
380 |
400 |
420 |
mAdc |
2, 3 |
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Forward Voltage |
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VF |
74.8 |
81.4 |
88.0 |
Vdc |
4 |
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Power Consumption |
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PBL |
- |
32.6 |
35.2 |
W |
5 |
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Burst Dimming Duty |
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On duty |
1 |
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100 |
% |
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Burst Dimming Frequency |
1/T |
95 |
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182 |
Hz |
7 |
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LED Array : (APPENDIX-V) |
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Life Time |
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30,000 |
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Hrs |
6 |
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Notes :The design of the LED driver must have specifications for the LED array in LCD Assembly. The electrical characteristics of LED driver are based on Constant Current driving type.
The performance of the LED in LCM, for example life time or brightness, is extremely influenced by the characteristics of the LED Driver. So, all the parameters of an LED driver should be carefully designed. When you design or order the LED driver, please make sure unwanted lighting caused by the mismatch of the LED and the driver (no lighting, flicker, etc) has never been occurred. When you confirm it, the LCD– Assembly should be operated in the same condition as installed in your instrument.
1.Electrical characteristics are based on LED Array specification.
2.Specified values are defined for a Backlight Assembly. (IBL :2 LED array/LCM)
3.Each LED array has one anode terminal and one cathode terminals.
The forward current(IF) of the anode terminal is 400mA and it supplies 400mA into 1 strings, respectively
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1string(22 LED PKG) |
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400mA |
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Anode#1 |
° ° ° |
Cathode #1 |
1 Array (1 Strings) |
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400mA |
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4.The forward voltage(VF) of LED array depends on ambient temperature (Appendix-VII)
5.Maximum level of power consumption is measured at initial turn on.
Typical level of power consumption is measured after 1hrs aging at 25 2°C.
6.The life time(MTTF) is determined as the time at which brightness of the LED is 50% compared to that of initial value at the typical LED current on condition of continuous operating at 25 2°C, based on duty 100%.
7.The reference method of burst dimming duty ratio.
It is recommended to use synchronous V-sync frequency to prevent waterfall (Vsync * 2 =Burst Frequency)
Though PWM frequency is over 182Hz (max252Hz), function of backlight is not affected.
Ver. 1.2 |
7 / 35 |
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LC320DXE
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 (Manufactured by Hirose) or IS100-L30B-C23 (Manufactured by UJU) or FI-X30SSL-HF (Manufactured by JAE) or GT103-30S-H23-M (Manufactured by LS Cable) or 187024-30091 (Manufactured by P-TWO)
-Mating Connector : : FI-X30C2L (Manufactured by JAE) or Equivalent
Table 4. MODULE CONNECTOR(CN1) PIN CONFIGURATION
Pin No. |
Symbol |
Description |
Note |
1 |
VLCD |
Power Supply +12.0V |
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2 |
VLCD |
Power Supply +12.0V |
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3 |
VLCD |
Power Supply +12.0V |
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4 |
VLCD |
Power Supply +12.0V |
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5 |
GND |
Ground |
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6 |
GND |
Ground |
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7 |
GND |
Ground |
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8 |
GND |
Ground |
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9 |
LVDS Select |
‘H’ =JEIDA , ‘L’ or NC = VESA |
Appendix IV |
10 |
NC |
No Connection |
4 |
11 |
GND |
Ground |
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12 |
RA- |
LVDS Receiver Signal(-) |
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13 |
RA+ |
LVDS Receiver Signal(+) |
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14 |
GND |
Ground |
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15 |
RB- |
LVDS Receiver Signal(-) |
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16 |
RB+ |
LVDS Receiver Signal(+) |
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17 |
GND |
Ground |
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18 |
RC- |
LVDS Receiver Signal(-) |
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19 |
RC+ |
LVDS Receiver Signal(+) |
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20 |
GND |
Ground |
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21 |
RCLK- |
LVDS Receiver Clock Signal(-) |
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22 |
RCLK+ |
LVDS Receiver Clock Signal(+) |
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23 |
GND |
Ground |
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24 |
RD- |
LVDS Receiver Signal(-) |
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25 |
RD+ |
LVDS Receiver Signal(+) |
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26 |
GND |
Ground |
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27 |
NC |
No Connection (Note 4) |
4 |
28 |
NC |
No Connection (Note 4) |
4 |
29 |
NC |
No Connection (Note 4) |
4 |
30 |
GND |
Ground |
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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).
Ver. 1.2 |
8 / 35 |
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LC320DXE
Product Specification
3-2-2. Backlight Module
[ CN1 ]
1)LED Array assy Connector (Plug)
:25035WR-H02C (White Color, Manufactured by Yeonho)
2)Mating Connector (Receptacle)
:25035HS-H02C (White Color, Manufactured by Yeonho)
Table 5. BACKLIGHT CONNECTOR PIN CONFIGURATION(CN101)
No |
Symbol |
Description |
Note |
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1 |
L1 Cathode |
LED Output Current L1 |
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NC |
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NC |
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4 |
NC |
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1 Block |
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5 |
NC |
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6 |
NC |
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7 |
L1 Anode |
LED Input Current for L1 |
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Rear view of LCM
Ver. 1.2 |
9 / 35 |
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LC320DXE
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.
Table 6. TIMING TABLE (DE Only Mode)
ITEM |
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Symbol |
Min |
Typ |
Max |
Unit |
Note |
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Display |
tHV |
- |
1366 |
- |
tclk |
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Period |
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Horizontal |
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Blank |
tHB |
90 |
162 |
410 |
tclk |
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Total |
tHP |
1456 |
1528 |
1776 |
tclk |
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Display |
tVV |
- |
768 |
- |
tHP |
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Period |
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Blank |
tVB |
20 |
22 |
240 |
tHP |
1 |
Vertical |
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(126) |
(180) |
(295) |
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Total |
tVP |
788 |
790 |
1008 |
tHP |
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(894) |
(948) |
(1063) |
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ITEM |
Symbol |
Min |
Typ |
Max |
Unit |
Note |
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DCLK |
fCLK |
63.0 |
72.4 |
80.0 |
MHz |
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Horizontal |
fH |
45 |
47.4 |
55 |
KHz |
2 |
Frequency |
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2 |
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Vertical |
fV |
57 |
60 |
63 |
Hz |
NTSC : |
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(47) |
(50) |
(53) |
57~63Hz |
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(PAL : 47~53Hz) |
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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.
Ver. 1.2 |
10 / 35 |
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LC320DXE
Product Specification
3-4. LVDS Signal Specification
3-4-1. LVDS Input Signal Timing Diagram
0.7VDD
DE, Data
0.3VDD
DCLK |
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tCLK |
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0.5 Vcc |
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Valid data |
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1366 |
Invalid data |
1 |
1366 |
Invalid data |
DE(Data Enable)
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tHT |
tHV |
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DE(Data Enable) |
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768 |
1 |
768 |
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tVV
tVT
Ver. 1.2 |
11 / 35 |
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