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22 August, 2017

MacAdam Ellipse

David MacAdam (July 1910 – March 1998), American physicist, made important contributions to the field of color perception. One of his experiments —maybe the most famous— consisted of showing to different colors to a subject….

16 June, 2017

Binning

Despite the big advances made on recent years, during the production process of LEDs, there are still some small variations that affect some of their features, optical as well as electrical. That’s the reason why…

16 March, 2017

LED advantages (and we’re not talking power efficiency, nor average lifespan)

The image that we usually have of LED lights is linked to their high efficiency and their long shelf life and, thus, we don’t even think of other advantages they can offer. Let’s see some…

16 February, 2017

LED’s light efficiency vs. other sources’ efficiency

Luminous efficiency: ratio of the total luminous flux radiated to the power absorbed. Ever since its first appearance in the market, LED’s luminous efficiency has significantly increased. Today’s medium-level range products are 4 times more…

31 January, 2017

How do LEDs work

Have you ever wondered why, when a bunch of electrons fly out of their orbit —thus occupying a higher energy level inside the atom—, once they are back to their initial place due to the…