Patent ID: 7618157
Filing Date: 2009-11-17
Classification: F21K,F21S,F21V,F21Y,H01L

Abstract:
1. A lamp comprising: a linearly extending heat sink; plural light emitting diodes (LEDs) mounted on said heat sink along a length of said heat sink; and a light emitting, one-part plastic cover mounted on said heat sink and enclosing said LEDs, said one-part, plastic cover comprising an arcuate first portion and two generally flat second portions on either side of said first portion, said first portion containing a phosphor that is embedded in the plastic cover and is excited by light from said LEDs, said second portions having interior surfaces that are reflective and are angled to reflect light from said LEDs to said first portion, said heat sink having two angled slots extending along the length of said heat sink on opposite sides of said LEDs, said angled slots receiving said second portions of said plastic cover for mounting said cover to said heat sink.