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Emerging trends in LED lighting component sector

Emerging trends in LED lighting component sector

By BizLED Bureau

Apr 14, 2017: With each passing day, LED technology is advancing and coming up with innovative applications that excite us all the way. As far as the passive and electromechanical components for LED lighting are concerned, there are some requirements that need to be fulfilled, which include smaller size of the products with reduced costs and longer life. In such a scenario, lets us have a look at the emerging trends in the domain of passive and electromechanical components for LED lighting.

Semi-shielded inductors

In order to protect LEDs from over-current circumstances, inductors are often used together with current limiting and current sense resistors. Since non-shielded parts do not meet the requisite performance levels, shielded inductors are normally used.  However, at the same time, non-shielded parts are much cheaper as compared to the shielded ones. Hence, the manufacturers have now introduced semi-shielded inductors that use a semi-magnetic shielding compound instead of the usual ferrite shield thus, preventing unrestrained magnetic coupling of the windings.

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Heat pipes

In order to remove maximum heat from smaller areas, the manufacturers have come up with heat pipes. These are hollow tubes with a fluid inside. At one end of the tube, the fluid evaporates and the vapour diffuses towards the other end, where it condenses and releases the heat it trapped when it evaporated. Cooled liquid is transported back down the tube using capillary action, with the resulting cycle able to transmit thermal energy hundreds of times faster than with solid heat sinks.

Active cooling jets

One core area of concern is cooling because of the effect that surplus heat has on the LEDs’ life span. Traditional fans are noisy, bulky and unpredictable and thus, fan-less air mover has emerged that uses an oscillating diaphragm to generate a jet of moving air. Since the diaphragm is frictionless, it is reliable and strong. In an LED lighting fixture, these cooling jets can be used to produce air flow over a heat sink so that a smaller one can be used. In fact, the cooling jets can help to decrease the heat sink’s size by up to 60%

Hybrid connectors

LED lighting installations are becoming more and more complicated due to the trend for intelligent lighting in smart buildings. A number of breathtaking features have emerged and the trend seems to advance in a speedy manner. With this, the manufacturers have come up with an entirely new breed of connector particularly for lighting, which merges power, data, control and communication functions. Such hybrid connectors aid in keeping luminaire housings as small as possible, as only one cable leading to one small connector is necessary for all the connections to every unit.

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COB holder standardisation

Until recently, manufacturers’ choice of form factor for their COB modules was arbitrary, limiting lighting designers’ options for using products from various suppliers without altering the luminaire design. However, with the launch of the Zhaga Standard’s Book 12, one of the significant developments in the world of COB holders, COB manufacturers can now focus on areas where they can add value like efficiency and life span. This new requirement standardizes six form factors for COB LED modules.

Source: Electropages

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