Are LEDs inherently directional?

No. One way for a manufacturer to boost the luminous intensity spec (usually given in candelas or millicandelas) is to focus the beam more tightly. The same light flux, focused ...
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What is an LED driver?

An LED driver is a self-contained power supply that has outputs matched to the electrical characteristics of your LED or array of LEDs. There are currently no industry standards, so ...
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Can LEDs be dimmed?

It’s useful to think of an LED as a current-driven device. The light output is proportional to the drive current over a decent range. But things go a bit odd ...
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What is needed in a LED lighting system?

To use some language borrowed from lighting designers, an LED lighting system would consist of an LED light source, ballast or driver, and a luminaire. The LED light source is ...
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How do you get more light out of an LED?

LEDs are made by a process that deposits the junction materials on a substrate material. One of the limitations of LEDs is that imperfections in the material deposited on the ...
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