LED Outdoor Screen

1. Pixel Specification

Serial number	Specifications	P16 Dual-color Traffic Screen
1	Pixel encapsulation structure	2 red and 1 green
2	Pixel density	3906:00/m2
3	Pixel spacing	16mm

2. LED Lamp Tube Parameters

Luminescent tube color	Place of Origin	brand	Model
gules	U.S.A	AVAGO	ALInGaP Four Elements
Pure green	Japan	Day Asia	GaN

3. Unit Plate Specification

Serial number	project	P16 Dual-color Traffic Screen
1	Analytical Degree of Element Plate	16 * 16 = 256
2	Unit board size	256mm*256mm

4. Box Specification

Serial number	project	P16 Dual-color Traffic Screen
1	Cabinet pixel	80 * 40 = 3200
2	Dimension	1280mm*640mm

5. Technical parameters of traffic display screen

project			parameter
1. Pixel Tube Unit Box	1)* Physical point spacing		16mm
	2)*Physical density		More than 3906 points/sqm
	3) Control mode		Constant current, dynamic latch, duty cycle ash control.
	4) Box weight		Less than 65 kg
2. Display screen	2) ambient temperature		Storage - 40 ~85 ~
	3) Working temperature		-20℃ ～ +60℃
	4) Relative humidity		10%～95%RH
3. Power Supply	1) Average Power Consumption		Not more than 150 w/
	2) Maximum power consumption		Less than 300 w/
	3) Input Voltage		220V & plusmn; 10% or 380V & plusmn; 10% 50Hz & plusmn; 1%
4. Control System	1) Operating System		Authentic WINDOWS XP or Windows 7
	2) Control mode		Remote Control
	3) The control system provides standard RS-232/485 interface and an Ethernet interface for display control and parameter setting.
5. Control software	1) Time control display	The system can display different contents in different time periods according to user's requirements, and intelligently complete the switching work in different time periods.
	2) Remote Control	The display controller can communicate with the background controller by using LAN to realize remote control, so as to complete the operation of "on", "off" and "pause" of display content. In addition, the background control computer can modify and preview the display content and monitor the current display content in real time, which greatly facilitates the user's control of the display screen and improves the processing speed and efficiency of the system.
	3) Interface function	It provides powerful database interface function, can use the existing network, exchange information through ODBC and large database, and has strong system expansion.
6. Main technical parameters	1)* Brightness	Luminance per square (> 8000cd)
	2)*Perspective	Horizontal (> 110 & ordm); vertical (> 45 & ordm);
	3) Gray Level	Red and Green Gray Deviation Correction Codes with 12bit 256 gray levels
	5) Optimum visual distance	10-200 metres
	6) Image transmission speed	Over 720 frames/seconds
	8) Brightness Adjustment	256 Level Manual/Program Control
	9) Nonlinear Correction (GAMMA)	Level 10 adjustable
	10) Transport	Optical Fiber or 3G Routing
	11) Average Failure-free Time	MTBF > 20000 hours
	12) Screen Life	100,000 hours
	13)*Continuous working hours	More than 24 hours
	14)*Flatness	Arbitrary adjacent pixels are less than 0.5 mm, module splicing clearance is less than 1 mm.
	15)* Uniformity	Pixel intensity and module brightness are uniform
	16) Switching power supply	Load 5V/40A; EMC test report of authoritative department; Power factor (> 0.95)
	17)*Dead Point Rate	Not more than one thousandth
	18)*Frequent highlights	nothing
	19)*Protection Level	Full waterproof, lightning-proof, dust-proof, corrosion-proof, electromagnetic interference-proof, flame-retardant, moisture-proof and salt fog-proof
	20) Image switching	Asynchronous display
	21) Relative humidity	≤95%
7. Protection Technology		Moisture-proof, dust-proof, anti-corrosion, anti-static and lightning-proof. It also has the functions of over-current, short circuit, open circuit, over-voltage, under-voltage, over-temperature and power-off protection.
8. Playing Content		1) All kinds of OFFICE documents (such as text, WORD, EXCEL, POWERPOINT, etc.)
		2) All kinds of pictures (such as BMP, JPG, GIF, PCX, etc.).
9. Other	1)*glue filling	Automatic glue filling machine
	2)* Plug-in	Using gold-plated connector, the thickness of gold-plated is more than 5 mu
	3) Drive Circuit Chip	The driver chip adopts a special bit constant current source output driver chip for LED display screen. The inter-bit current error of constant current source driver chip is less than & plusmn; 1%, and the inter-chip current error is less than & plusmn; 3%. PWM function can be realized to ensure 1000Hz refresh frequency and 12 bit signal processing depth.