1. Product Description
1. Each pixel on the front of the LED display contains three chips, and a single pixel is composed of R, G, B full flip chip integrated package.
2. The back of the LED display module contains driver IC, resistors, capacitors and other components, which can be connected to the display control system to display video, images and text information.
3. The LED display module is mounted by magnet adsorption, and professional suction cup tools are used to complete installation and debugging.
Product Features
1. High reliability, full flip-chip, integrated packaging;
2. Lamp and driver integrated, constant current drive, uniform light emission, low power consumption;
3. Surface light source, wide viewing angle, good display effect;
4. The display module disassembly and assembly process is simple;
3. Technical parameters
Basic Parameter
Model FCB – P3.91 FUD SMD 1921
Pixel Pitch 3.91 mm
Pixel Structure 1R1G1B
Pixel Density 65.410 Pixel/m2
Module Resolution 64 *64 Pixel
Module Size 250*250mm
Frame material Low Density Polyethylene
Lamp Spec ( R – G – B) SMD 1921 Nationstar
Electric current R:15mA; G:8mA; B:5mA
Forward voltage R: 2 V; G:3 V; B: 3V
Wavelength R:622nm; G:530nm; B:472nm
Drive IC EPWM patented technology: 16-bit grayscale control
– 16-channel constant current output
– Constant current output range: 0.6~20mA
– Built-in SRAM, supports 1~64 scan applications
– Built-in 64-level current gain adjustment, brightness adjustment without loss of grayscale
– Built-in shadow elimination function, eliminates ghost images under columns and text ghost images
– Built-in LED open circuit detection function to solve the open circuit “cross” problem
– Built-in LED open and short circuit information feedback function
– Built-in intelligent energy saving function
– Eliminate color cast, pitting, high contrast coupling, cross-board coupling and other phenomena
– Constant current deviation: <±1.6% within the chip, <±1.6% between chips
-Built-in intelligent power saving function, automatic adjustment
- Save power consumption inside the chip and maximize energy saving efficiency.
-Built-in open circuit detection function to solve LED open circuit problem
Weight 580g
Optical Parameter
Number of colors displayed 16.7 million colors - 281trillion colors
White Balance Brightness ≥4500 - 6500cd/㎡
Color Temperature 2800—13000K Adjustable
Contrast 10000 : 1
Horizontal Viewing Angle 160° ± 5°
Vertical Viewing Angle 160° ± 5°
Visible Distance ≥3m - 50m
Brightness Uniformity ≥99%
Allowable dead point rate <0.0001 (LED industry standard ≤ 0.0003)
Process Performance
Color processing 16 Bit
Gray scale 65.536 level
Control Distance Cable 100 m,Optical Fiber: 20km
Drive Mode constant current source driver
Frame Rate ≥60HZ
Refresh Rate 7680 Hz
Scan mode 16S
Brightness Adjustment Range 0-100Stepless Adjustmen
Usage Parameter
Continuous Operation Time 7*24 hours
Expected LED Lifetime(Max) >100,000 hours
MTBF >10.000 hours
Attenuation 3 year < 15%
IP Rating IP65
Operating Temperature -10 ℃ to 60 ℃
Operating and storage humidity 10 %- 90% RH No Condensation
Storage Temperature -30 ℃ to 60 ℃
Electrical Parameter
Operating Voltage工 DC 4.5- 5V
Maximum current 5,2 A
Power Requirements AC 110 or 220 V ±10%
Maximum power consumption ~22W
Average power consumption ~14W
Certificate ISO 9001 - 2015, ISO 14001 - 2015, EN 60529,CE, EMC,CCC,RoHS 2.0,FCC, HDR,TUV-CB, TUV - EAC
