LED LAMP
First Claim
Patent Images
1. A light emitting apparatus comprising a light transmissive envelope;
- a light emitting diode light source illuminating the interior of the light transmissive envelope;
said light source in thermal communication with a base element; and
a plurality of surface area enhancing elements in thermal communication with said base element such that said elements are communicating optically with said light transmissive envelope.
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Accused Products
Abstract
A light emitting apparatus comprising an at least substantially omnidirectional light assembly including an LED-based light source within a light-transmissive envelope. Electronics configured to drive the LED-based light source, the electronics being disposed within a base having a blocking angle no larger than 45°. A plurality of heat dissipation elements (such as fins) in thermal communication with the base and extending adjacent the envelope.
132 Citations
34 Claims
-
1. A light emitting apparatus comprising a light transmissive envelope;
- a light emitting diode light source illuminating the interior of the light transmissive envelope;
said light source in thermal communication with a base element; and
a plurality of surface area enhancing elements in thermal communication with said base element such that said elements are communicating optically with said light transmissive envelope. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
- a light emitting diode light source illuminating the interior of the light transmissive envelope;
-
33. A light emitting apparatus comprising a base element having a light blocking angle of between 15°
- and 45°
;
a light emitting diode light source in thermal communication with said base element;
a plurality of surface area enhancing elements in thermal communication with said base element, wherein said surface area enhancing elements increase the thermal dissipation capacity of said apparatus by a factor of 4× and
absorb less than 10% of an emitted light flux.
- and 45°
-
34. A light emitting device comprising at least one light emitting diode;
- a heat sink, said heat sink having a relatively smaller size proximate to the at least one light emitting diode and a relatively larger size distal from said diode;
said at least one light emitting diode positioned in thermal communication with said heat sink;
an electrical connection positioned adjacent said distal portion of said heat sink;
a light diffusing envelope extending from said heat sink and encompassing said at least one light emitting diode;
a plurality of diffuse or specular fins in thermal communication with said heat sink and extending therefrom radially adjacent said envelope, said fins having a first relatively thin section adjacent said heat sink, a second relatively thin section adjacent the envelope distal from said heat sink and a relatively thicker intermediate section, wherein said device is dimensioned to meet ANSI C78.20-2003.
- a heat sink, said heat sink having a relatively smaller size proximate to the at least one light emitting diode and a relatively larger size distal from said diode;
Specification