Articles: Lighting
Light Emitting Diodes — Choosing the Right LED for the Job

Understanding how LEDs work and what materials are used for ideal operation in various spectral ranges will aid in selecting the right color and ideal wavelengths for a variety of...

Articles: Lighting
LED Spectra Pose New Design Challenges and Opportunities

We normally think of ‘white’ light as being comprised of all wavelengths in the visible spectrum, or at least of being comprised of red, green, and blue. However, white LEDs emit light...

Articles: Lighting
How to Address the Lighting Challenges of High-Brightness LEDs

Two overriding issues should be considered when driving high-brightness (HB) LEDs. The first is to ensure that a fairly constant current is available with minimal variation, since a...

Articles: Energy
Measuring LED and Solid State Lighting Performance

Light emitting diodes (LEDs) and solid state lighting (SSL) products that incorporate LEDs pose many measurement challenges compared with other lighting elements, such as traditional tungsten and...

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