Multi-function active accessories for LED lamps
Apparatus and methods of attaching accessories to LED lamps and for providing active accessories in LED lamps are disclosed. The active accessories include single-function active accessories as well as multi-function active accessories.
1 . A light emitting diode (LED) lamp comprising:
a lens having a light emitting surface for emitting first light, the lens having a center;
an accessory disposed on the lens, the accessory comprising a thin, optically transparent film, sheet, or plate having optical features configured to beam shape said first light and convert said first light to second light having a beam profile different from said first light; and
an attachment mechanism comprising a first magnet attached to the center of the lens and a second magnet attached to the center of the accessory, the first magnet and the second magnet being configured to releasably retain the accessory against the lens.
2 . An accessory for a light emitting diode (LED) lamp, said LED lamp having a lens having a light emitting surface for emitting first light and having a center, said accessory comprising:
a thin, optically transparent film, sheet, or plate comprising optical features to beam shape said first light and convert said first light to second light having a beam profile different from said first light; and
an attachment mechanism comprising a magnet attached to a center of the accessory and configured to magnetically couple with a magnet attached to the center of the lens to releasably retain the accessory against the lens.