2-D lamp with integrated thermal management and near-ideal light pattern
First Claim
Patent Images
1. A lamp, comprising:
- at least one light emitting diode (LED);
an electronic circuit configured to provide power to the at least one LED, wherein the electronic circuit comprises;
a buck converter;
further circuitry configured to detect current during a first half of an alternating current (AC) cycle and detect current during a second half of the AC cycle; and
the further circuitry configured to turn off power provided by the buck converter to the at least one LED based upon detecting a difference in the current between the first half and the second half of the AC cycle;
at least one flat circuit board having mounted thereto the at least one LED and the electronic circuit; and
the at least one flat circuit board acting as a heatsink to dissipate heat from the at least one LED and acting as a plurality of circuit paths for the electronic circuit and the at least one LED.
0 Assignments
0 Petitions
Accused Products
Abstract
A lamp is provided. The lamp includes at least one light emitting diode (LED) and an electronic circuit configured to provide power to the at least one LED. The lamp includes at least one flat circuit board having mounted thereto the at least one LED and the electronic circuit. The at least one flat circuit board acts as a heatsink to dissipate heat from the at least one LED and acts as a plurality of circuit paths for the electronic circuit and the at least one LED.
28 Citations
17 Claims
-
1. A lamp, comprising:
-
at least one light emitting diode (LED); an electronic circuit configured to provide power to the at least one LED, wherein the electronic circuit comprises; a buck converter; further circuitry configured to detect current during a first half of an alternating current (AC) cycle and detect current during a second half of the AC cycle; and the further circuitry configured to turn off power provided by the buck converter to the at least one LED based upon detecting a difference in the current between the first half and the second half of the AC cycle; at least one flat circuit board having mounted thereto the at least one LED and the electronic circuit; and the at least one flat circuit board acting as a heatsink to dissipate heat from the at least one LED and acting as a plurality of circuit paths for the electronic circuit and the at least one LED. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A lamp, comprising:
-
at least one printed circuit board that has circuit traces and also functions as a heatsink; at least one light emitting diode (LED) mounted to a thermally conductive area of the at least one printed circuit board, wherein the thermally conductive area comprises at least a portion of an overall area of the at least one printed circuit board; and a driver circuit coupled to the at least one printed circuit board and coupled by the at least one printed circuit board to the at least one LED, wherein the driver circuit is configured to detect current to or from a hot or neutral mains connection or through the at least one LED, and configured to shut off power to the at least one LED responsive to the detected current failing to meet a predetermined condition. - View Dependent Claims (8, 9, 10, 11)
-
-
12. A lamp, comprising:
-
at least one flat, printed circuit board; a first light emitting diode (LED) mounted to a first face of the at least one flat;
printed circuit board;a second LED mounted to an opposed second face of the at least one flat, printed circuit board; an electronic circuit coupled to the at least one flat, printed circuit board and configured to provide power to the first LED and the second LED; the at least one flat, printed circuit board having circuit paths that couple the electronic circuit, the first LED and the second LED; and the at least one flat, printed circuit board configured to act as a heatsink to dissipate at least one half watt of heat from at least the first LED or the second LED, wherein all electrical connections coupling the electronic circuit, the first LED and the second LED are formed in the electronic circuit and on the at least one flat, printed circuit hoard, without external wires. - View Dependent Claims (13, 14, 15, 16, 17)
-
Specification