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Philips Hue is a line of color-changing LED lamps and white bulbs which can be controlled wirelessly. The Philips Hue line of bulbs was the first smart bulb of its kind on the market. [3] The lamps are currently created and manufactured by Signify N.V., formerly the Philips Lighting division of Royal Philips N.V. [1] [4]
A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...
Some products are RGBWW, i.e. RGBW with tunable white. [39] A final class of white LED with mixed light is dim-to-warm. These are ordinary 2700K white LED bulbs with a small red LED that turns on when the bulb is dimmed. Doing so makes the color warmer, emulating an incandescent light bulb. [39]
Each LED has its own chip meaning they can be individually triggered for chasing, strobing, and colour changing. [4] RGBW, non-addressable: The combination of single color and multicolor (4 LED-chips) in a single module; RGBCCT or RGBWW: The combination of dynamic tunable white and multicolor (5 LED-chips) in a single module; Blue LED strip light
One example of the photo-excitation scheme is a method developed by Michael Bowers, at Vanderbilt University in Nashville, involving coating a blue LED with quantum dots that glow white in response to the blue light from the LED. This method emits a warm, yellowish-white light similar to that made by incandescent light bulbs. [32]
The light from white LED lamps and LED strip lights is usually provided by industry standard surface-mounted device LEDs (SMD LEDs). [2] Non-SMD types of LED lighting also exist, such as COB (chip on board) and MCOB (multi-COB). Surface-mounted device LED modules are described by the dimensions of the LED package. A single multicolor module may ...