US 2014/0369054 A1 · LED LIGHTING DEVICE WITH IMPROVED HEAT SINK

Abstract

An LED lighting device includes an LED light engine and a heat sink including a heat dissipation structure. The heat dissipation structure includes: a plurality of heat conductive rod rows including a plurality of vertical heat conductive rods; a plurality of horizontal heat conductive rods including a plurality of surfaces and attached onto one end of the vertical heat conductive rods; another end of the vertical heat conductive rods vertically attached to a back side of the LED light engine; and a plurality of fin modules attached to any one of the surfaces of the horizontal heat conductive rods. Accordingly, the heat dissipation area is increased and the heat sink is separated from the LED light engine such that heat dose not accumulate thereon and the shortcoming of airflow on the heat sink can be overcome with improvements.

Claims22

Dependent claims

A heat sink comprising a heat dissipation structure, the heat dissipation structure comprising:

a plurality of heat conductive rod rows, each one of the plurality of heat conductive rod rows comprising a plurality of vertical heat conductive rods;
a plurality of horizontal heat conductive rods, each one of the plurality of horizontal heat conductive rods comprising a plurality of surfaces and attached onto one end of the plurality of vertical heat conductive rods of each one of the plurality of heat conductive rod rows;
and
a plurality of fin modules, attached to any one of the plurality of surfaces of each one of the plurality of horizontal heat conductive rods.

1 more element

An LED lighting device, comprising:

an LED light engine;
and
a heat sink comprising a heat dissipation structure;
the heat dissipation structure comprising:
a plurality of heat conductive rod rows, each one of the plurality of heat conductive rod rows comprising a plurality of vertical heat conductive rods;
a plurality of horizontal heat conductive rods, each one of the plurality of horizontal heat conductive rods comprising a plurality of surfaces attached onto one end of the plurality of vertical heat conductive rods of each one of the plurality of heat conductive rod rows;
another end of the plurality of vertical heat conductive rods of each one of the plurality of heat conductive rod rows vertically attached to a back side of the LED light engine;
and
a plurality of fin modules, attached to any one of the plurality of surfaces of each one of the plurality of horizontal heat conductive rods.

6 more elements

Dependencies are inferred from the claim text.

Led lighting device with improved heat sink

Life of this patent

Led lighting device with improved heat sink

Life of this patent

Abstract

Claims22