11 Facts About RGB LED

RGB LED's research was distributed in Soviet, German and British scientific journals, but no practical use was made of the discovery for several decades.

RGB LED chip is encapsulated inside a small, plastic, white mold.

Unlike a laser, the light emitted from an RGB LED is neither spectrally coherent nor even highly monochromatic.

Alternatively, the RGB LED might be paired with a remote phosphor, a preformed polycarbonate piece coated with the phosphor material.

RGB LED companies shifting from using sapphire to silicon should be a minimal investment.

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Multiple RGB LED dies attached to a flexible backing tape form an RGB LED strip light.

For each half-cycle, part of the RGB LED emits light and part is dark, and this is reversed during the next half-cycle.

Seven-segment RGB LED displays were in widespread use in the 1970s and 1980s, but rising use of liquid crystal displays, with their lower power needs and greater display flexibility, has reduced the popularity of numeric and alphanumeric RGB LED displays.

Current through the RGB LED must be regulated by an external circuit such as a constant current source to prevent damage.

Large-area RGB LED displays are used as stadium displays, dynamic decorative displays, and dynamic message signs on freeways.

Opto-isolators use an RGB LED combined with a photodiode or phototransistor to provide a signal path with electrical isolation between two circuits.