High Quality LED Lighting

High Quality LED Lighting

Key elements to distinguish a high quality LED luminaire

High Quality LED Lighting

In the current market, there are hundreds of thousands of LED lighting options. As there are different prices and qualities in all sectors, how to choose a correct fixture for every occasion and able to distinguish the wheat from the chaff among the multitude of market is no easy task. In this post are going to detail a little which are them components fundamental of a luminaire LED to trying to ensure us of what really make a good investment at the time of bet by a luminaire LED.

Are basically 5 key elements of a LED luminaire: Chip, the driver or power supply, motherboard, heat from the fixture management system and finally the optics of the device. The basis of these elements is essential to ensure our lights:

  • High efficiency energy
  • Long service life
  • Great quality of the light
  • Powered up Instant
  • Absence of flicker

See element-by-element as it affects these characteristics:

The chip

He chip LED is manufactured with a material semiconductor (carbide of silicon) of some 5 mm, capable of generate light when is you applied current. The chip is the true heart of a LED lights. Different materials, whose mix is what gives the color and quality of light are deposited on their basis. The chip is protected by a layer of polycarbonate.

 

The chip installed in the fixture is vital for proper operation, since it depends largely on the quality and length of our luminaire.

Expand information on Chips LED

Differences between COB LED, SMD LED and MICROLED

Driver or power supply

The luminaires based on LED technology as opposed to incandescent technology, are not connected directly to the mains, they require a power source to be able to convert the voltage. This data is what makes of it technology LED much more effective that the rest as leverage the energy electric thanks to this converter. A power supply is vital to a proper energy efficiency and stability in operation.

 

The factor that measures the effectiveness of the luminaire led is measured by the factor of power (PFC). If the PFC is equal to 1 means that 100% of the energy that reaches the source is used, a value of 0.5 if only half the energy takes advantage

More information about drivers or power supply

Base plate

The plate is the charge of support all the connections of them others components of the luminaire, connections as the chip or the system of dissipation of the heat. Depending on the type of thermal management used the plate can be made of different components (aluminum or copper) conductors or different layers.

Management thermal

The heat dissipation is perhaps one of the most unknown keys for the functioning and duration of LED luminaires. If LEDs do not emit heat (called cold light), but that does not mean that the luminaire does not generate heat and is precisely that heat management is what influences the duration and operation of the LED lamp. In the case of LEDs, heat (unlike an incandescent bulb) comes out in the direction of the light. For this reason, it is necessary to “extract” that heat, since up to 90% of energy can become lost.

 

A good heat dissipation will extend the life of the chip. For this purpose the use of materials in accordance with the power and use of the luminaire and a design that favors dissipation of heat is key. The heat also can affect to the color and to the quality of the light.

In this sense, it is also important the outer shell. Is important to be a lightweight material (aluminium or magnesium), and that its design favors dissipation of heat.

More information about the importance of the thermal management of led luminaires

The optical

The optical of the luminaires LED affects of way important in the type of lighting that give them luminaries. The optical of them luminaires is composed by a set of lenses that determine the distribution of the light emitted the LED. Lenses may vary in shape and composition depending on the needs of light distribution that requires the luminaire. According to the shape of the lens the get of light can converge or diverge.

 

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