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Dicolor launched brand new EMC display series---the first domestic EMC photoelectricity enterprise

www.china-led-sign.com/,Dicolor,2011-8-17-0:0,
[Abstract] EMC testing certification has been the necessary condition for LED display to enter the EU market, such as Germany. At present, one after another domestic LED enterprises are doing EMC standardized test. All of them want firstly to take a dominant role in the Europe market, but radiation harassment test(RE) and conduction harassment test(CE) beat numerous enterprises, which are both the most important test standards of EMC. All of the EMC displays series, that Dicolor launched newest, leave 4-8DB allowance in RE and CE test, and also they past class-B standard of civil level. The physical designs are rigorous and beautiful. The properties of products are stable and reliable.

Dicolor is one of the very few photoelectricity manufacturers who strictly execute the  European design standard. It follows the strict and cautious high-quality style from Germany  products. Its LED displays are energy-saving and environmental friendly and other functions  have all past strict testing, such as EMC, working life and so on.

EMC(Electro Magnetic Compatibility) is one sub-test of CE testing, and the other one is LVD (Low Voltage Detector).

Thereinto, Electro Magnetic Compatibility (EMC) means the equipments or systems meet the  requirements to run in their electromagnetic environment, but dont produce the unbearable  electromagnetic interference ability for any equipments in their environment.

So, EMC includes two requirements:

1. EMI(the interference launched from itself): on the one hand refers to the electromagnetic  interference cant exceed a certain limit, which is produced by the equipments in normal  operation for its environment.

2. EMS(the interference from environment to products): on the other hand refers to the  appliances have some noise immunity to electromagnetic interference in their environment,  which means electromagnetic sensibility.

 The list of EMC products from Dicolor:
 

Pixel Pitch
Pixel Constitution
Driving Method
Outdoor/Indoor
Installation
Cabinet Size(mm)
EMC Standard
PH20 546 2R1G1B

Static Virtual

Outdoor Lifting or Fixed

1280*960

class-B

PH20

346 1R1G1B

Static Realities

Outdoor

Lifting or Fixed

1280*960 

class-B

PH20

346 1R1G1B

Static Realities

Outdoor

Fixed

960*960

class-B

PH20 310 1R1G1B

Static Realities

Outdoor Fixed 960*960 

class-B

PH10 SMD5050

Real 1/4 Scan

Outdoor Sports Perimeter 1280*960 

class-B

PH10 SMD5050

Real 1/4 Scan

Outdoor Lifting or Fixed 1280*960

class-B

PH10 SMD5050

Real 1/4 Scan

Outdoor Fixed 960*960

class-B

PH10 SMD3528

Real 1/4 Scan

Indoor Fixed 960*960

class-B

PH10 SMD3528

Real 1/8 Scan

Indoor Fixed 960*960

class-B

PH10 SMD3528

Real 1/8 Scan

Indoor Fixed 1280*800

class-B

 

The features of the design of EMC solution from Dicolor:

1. The design of the entire solution of EMC is leading in the world among the whole LED  display industry, the design of cabinet structure is is quite simple and rigorous.

2. During the series high end criterion tests, for example, the tests of conduction, the  tests of space radiation emission, the tests of harmonic electric current, ESD tests, tests  of radiation resistance, and tests of lightning struck and wave surge, etc, all of the EMC  products have shown the excellent performance.

 3. Especially during the tests of space radiation, PH20 has exceed the European regulatory  standards EN55022 class-B, besides, there is still more than 60B above the EN55022 class-B  standard.

4. The design of the EMC solution is mainly according to the special design of PCB board,  module, and the wave filter, and special shielding and overlap designing of wires and  structure to avoid the electromagnetic interference.

5. The entire arrangement of wires, and the wiring inside the cabinet is perfect, the  performances is quite stable.

6. The processing of EMC designing solution is simple and easy for mass production, besides,  there is no difference on the quality between different cabinets and orders.

 7. The EMC products are with high refresh rate, high gray scale(16 bits), and can support  the dot-by-dot correction.

The photos of the EMC field tests with the products from Dicolor:

LED Test of Conducted Emission(CE)

Injected Currents Susceptibility Test

LED Test of Radiated Emission (RE)

Radiation Emission Measurement

The standard EMC LED displays from Dicolor have entered into the German market successfully, and have gain a good reputation from the German customers. Dicolor will go along to pursuit the "to be honest, integrity, to fight for the excellence, get developed together, provide good service for the community" moral standard and values, to provide the most suitable products and service for our customers. We will committed to become the leader among the LED display industry in the whole world.