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Blue Light Emitting Diodes (LEDs) are semiconductor devices that emit blue light when activated. They are part of the visible LED spectrum and are used to produce blue light by utilizing specific ...

The Cree Lighting 6 in TW Series 65W Equivalent Dimmable Retrofit LED Downlight is part of the Lightbulbs test program at Consumer Reports. In our lab tests, Lightbulbs models like the 6 in TW ...

and blue LEDs or by using a blue LED with a phosphor coating that converts some of the light to other colors, resulting in white light. White LEDs operate on the principle of electroluminescence, ...