LED LAMP WITH ND-GLASS BULB

摘要

LED based lamps are disclosed. In an embodiment, an LED based lamp includes a concave optical diffuser, a concave neodymium-doped glass bulb, a reflector, a printed circuit board that includes a plurality of light-emitting diodes (LEDs) configured to emit light, and a heat sink body. The concave optical diffuser has a first interior volume, and the concave neodymium-doped glass bulb is positioned within the first interior volume. The neodymium-doped glass bulb defines a second interior volume, and both the reflector and the printed circuit board are positioned within the second interior volume. The reflector includes a sloped annular wall with an inner reflective surface and an outer reflective surface, and a bottom portion of the reflector is connected to the printed circuit board. The heat sink is thermally connected to the printed circuit board and to the reflector.

主权项

1. A LED based lamp, comprising:
a concave optical diffuser having a first interior volume; a concave neodymium-doped glass bulb positioned within the first interior volume, the glass bulb having a second interior volume; a reflector positioned within the second interior volume; a printed circuit board comprising a plurality of light-emitting diodes (LEDs) configured to emit light, the printed circuit board attached to a bottom portion of the reflector within the second interior volume; and a heat sink thermally connected to the printed circuit board and to the reflector.