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Light, Home & Building

LED advantage

The core element of every LED-based lighting system is, of course, the LED itself

While conventional incandescent ‘light bulbs’ heat a piece of metal wire called filament, which not only gets hot but also emits light, LEDs operate on a totally different basis as they use the photoelectric effect. As the colour of the emitted light is directly related to the specific temperature of the filament, the expression ‘Colour Temperature’ is still used today to describe the variations of white light. Find here several good reasons to gain on LED's advantages towards other light sources.

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Once the light is emitted from the light source it needs to be directed and guided according to the individual application needs

Proper optics are often just as important part of a good quality product, than other key components like the LEDs and drivers.Suitable high quality optics achieve better beam control by reduction of glare caused by the ”point source” LED and a wide angle intensity distribution. It offers now the possibilities to make more uniform light with different beams and cutoffs. This is needed for illumination standards in many applications such as street lights, aviation lights and medical lights. A good optic also gives a finished look and a protection for the LED.

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Thermal management

LEDs are temperature dependent

The thermal management of LEDs ensures the reliable operation of the LED, prevents early degradation and optimizes the LED’s optical performance. Operating LED-based lighting systems at high ambient temperatures without proper thermal design may overheat LED packages, eventually lead to short lifespan or device failure in the worst case. This is the reason why thermal management of LEDs is the most critical part within the LED based lighting system, and thus the designer needs to ensure that the LED will never exceed its specific maximum permissible junction temperature.

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Electronic control

With specific control it is not only possible to activate or deactivate the LED light but also to dim it, to change its warmness/coolness or colours and manage entire ambient scenes

Modern luminaires are asking for more added value like dimming, emergency unit, presence sensor, remote control, etc. where more complex electronic circuitry are required. LED lighting offers several inherent benefits compared to other lighting systems as they can be integrated into the electronic control system which allows control of colour balance and intensity, independent of each other while maintaining colour rendering accuracy. To keep today's development cycles as short as possible there are several EBV ELEKTRONIK suppliers offering intuitive online tools helping you to simplify your design.

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