Light emitting diodes (LEDs) are PN junction devices that ... The wavelength or color is usually one of the most important criteria when selecting an LED. The wavelength emitted by the diode can be ...

The Omnilux system (Alderm, NA, LLC, Irvine, CA) uses a panel of 2000 focused diodes in interchangeable ... lymphatic massage, and LED light therapy. The LEDs can emit light at 430 nm (blue ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient ...

The semiconductor light-emitting diode, or LED, is a key component of today's technology. Modern households have numerous tiny glowing indicators — provided by LEDs — that are used for reading ...

Infrared Light Emitting Diodes (IR LEDs) are a type of LED that emit light in the infrared spectrum, which is invisible to the human eye. These LEDs are typically used in applications where infrared ...