• Model NO.：P3.91
• Pixel Configuration：1R,1G,1B
• Pixel Density：65536 Pixels,Sqm
• Scanning Mode：1,32 Scan
• System Operating Platform：Windows
• Display Type：LED Video Display
• Application：Stage Performance, Advertising, Shopping Guide
• IP Rating：IP31
• Certification：CE, RoHS, CCC, ISO9001, CB, FCC
• Module Size：250*250mm
• Module Pixel(Dots)：64*64pixels
• Cabinet Size：500*500mm,500*1000mm
• Cabinet Pixel(Dots)：128*128pixels,128*256pixels
• Cabinet Type：Die-Casting Aluminum
• View Angle(H/V)：160,140 Degree
• SMD Type：SMD2121
• Best Viewing Distance：>3.91m
• Life Time：≥100, 000hours
• Warranty：2 Years
• Transport Package：Wooden Case or Flight Case
• Specification：Customized size
• Trademark：Qichuang
• Origin：Guangzhou, China
• HS Code：8528591090
• Production Capacity：10000 Square Meter,Month

Basic Info.

Model NO. P3.91 Pixel Configuration 1R,1G,1B Pixel Density 65536 Pixels/Sqm Scanning Mode 1/32 Scan System Operating Platform Windows Display Type LED Video Display Application Stage Performance, Advertising, Shopping Guide IP Rating IP31 Certification CE, RoHS, CCC, ISO9001, CB, FCC Module Size 250*250mm Module Pixel(Dots) 64*64pixels Cabinet Size 500*500mm/500*1000mm Cabinet Pixel(Dots) 128*128pixels/128*256pixels Cabinet Type Die-Casting Aluminum View Angle(H/V) 160/140 Degree SMD Type SMD2121 Best Viewing Distance >3.91m Life Time ≥100, 000hours Warranty 2 Years Transport Package Wooden Case or Flight Case Specification Customized size Trademark Qichuang Origin Guangzhou, China HS Code 8528591090 Production Capacity 10000 Square Meter/Month

Product Description

HD Full Color Advertising Event Used LED Display Board

Product DescriptionLED is the abbreviation for light emitting diode. LEDs are arrayed breadthwise and lengthways with stable pitch that form LED matric-LED Display Screen. Each LED of the LED Display has a corresponding luminance control circuit. A computer controls the circuit, the circuit influence the brightness of each LED, then form the picture or letters we desire in the led display screen.




 Technical Parameters

Items	Indoor P3.91
Pitch Size	3.91mm
Module Size	250mm*250mm
Module Pixel(dots)	64*64
Cabinet Type	Die-casting aluminum
Cabinet Size	500mm*500mm
Cabinet Pixels(dots)	128*128
Pixel Configuration	1Red,1Green,1Blue
LED Chip	Silan/Cree/Nichia/Epistar/Sanan
Color Scale	65536 degree/16777216 colors
Pixel Density	65536 pixels/square meter
View Angle(H/V)	140/120degree
Brightness	≥1500cd/sqm
Brightness Adjustment	64 level automatic or manual
View Distance	≥3.91m
Power Consumption	90 W/cabinet
Net Weight	25 kg/square meter
Operating Temperature	-25°C~+60°C
Operating Humidity	10%-95%RH
Life Time	≥100,000 hours
Out of Control Dot	≤3/10,000
Whole Display Flatness	≤1mm Juncture
Exchange Frame Speed	>150 frames per second
Refresh Frame Frequency	2000Hz
Control Distance	120m (without repeater), single mode fiber:20km,                              multi mode fiber: 500m
Power	110V/220V±15% 50~60Hz
Operating System	Windows series
Drive Mode	1/32 scan, constant current
Display Mode	VGA640X480-VGA1600X1024
Maintenance Way	Rear access
Accepting Signal	PAL/NTSC/SECAM,S-Video;VGA;RGB;Composite Video;SDI

 Connection System Diagram:



Advantages of LED Display:1) High Definition and can be adjusted, can showing DVD, TV, Dynamic images, VCRS, graphs, letters and animations for 24 hours. Sharp, colorful, synchronized with computer monitor. Waterproof, Sun-screen, antistatic, damp proof, anti-freeze, anti-thundering etc.
2) Best equality, commendably solve the problem of the mosaic, have the excellent consistency of light
3) To pictures and character, have clear, exquisite and real display effect of led sign.
4) Big viewing angle to horizontal line and vertical line, can see at every angle at this range, no picture change, no   color excursion.
5) Can repair each led lamps, so the cost of maintain is lower, and easy to repair for led sign!
 Company Information



Packaging & Shipping



Our ServicesOUR COMPANY provides on site product installation, debugging and maintenance service for our LED display. Such as:
1. After-sales service:
1) Service principles: response in time, solve problems as soon as possible and ensure the use.
2) Service period: In the Maintenance period of the LED screen body, free of all maintenance charges; After Maintenance period, only charge the material costs fees free of manual work fees. 
3) Service scope: If the users find any problem that cannot be solved, please contact with our company, we can response in 24 hours. In order to shorten the maintenance time, Our Company will deploy some spare parts such as power and chips etc.
4) Under normal use and storage, Our Company will be responsible for the equipment.
2. Pre-sales service:
1) Our company can arrange professionals to conduct site installation and debugging in strict accordance with the requirements of the schemes and the original manual. If there is any special requirement, it is necessary to make changes of part installation scheme, we will coordinate with users. Our company can ensure the consistence of completion time and contracted time.  Any problems caused by natural factors or man-made, we will discuss with client to find solutions.
2) Our company can train the users based on the manual.  The training include system use, system maintenance and equipment protection.

 FAQWhy choose Guangzhou Qichuang Electronic & Technology Co., Ltd.
1),Vivid and exact picture, minimum noise, advanced test equipment, support any pc operation system and play a variety of information like video, word, flash, music, clock, graph etc.
2),High brightness and support brightness automatically adjustment.
3),Long lifespan, can reach more than 100,000 hours, while the power consumption is lower than one tenth of lamp or neon;
4),Easy & simple installation interface and user friendly software to ensure the user friendly interface of the LED display system;
5),Rich outdoor full color LED display screen engineering experience both in domestic and international market.
6),Well before, in,after-service.all for our customer reassurance.




Contact Person: Jenny
  
 
QQ      : 65907814
Add    : Building 2, Canglian Industrial Park, No.3 Lianda Road, Huangpu District, Guangzhou, China.