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US 2019/0316742 A1Published application
High efficiency leds and led lamps
AssigneeCooledge Lighting Inc.
InventorsMichael A. TISCHLER, Vladimir ODNOBLYUDOV, David KEOGH
Life of this patent
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Abstract
In various embodiments, lighting systems include a carrier having a plurality of conductive elements disposed thereon and a light-emitting array. The light-emitting array is disposed over the carrier and includes a plurality of light-emitting diodes (LEDs), each of which has at least two electrical contacts electrically connected to conductive elements.
Claims21
-22. (canceled)
A lighting system comprising:
- an electrically insulating carrier having a plurality of conductive elements disposed thereon;
- disposed over the carrier, a light-emitting array comprising a plurality of light-emitting strings, each light-emitting string comprising a plurality of light-emitting diodes (LEDs) electrically connected in series, each LED having at least two electrical contacts, wherein each electrical contact is electrically connected to a conductive element by an electrical connection comprising a solder or a conductive adhesive,
- wherein the conductive elements comprise aluminum.
A lighting system comprising:
- an electrically insulating polymeric carrier having a plurality of conductive elements disposed thereon;
- disposed over the carrier, a light-emitting array comprising a plurality of light-emitting strings, each light-emitting string comprising a plurality of light-emitting diodes (LEDs) electrically connected in series, each LED having at least two electrical contacts, wherein each electrical contact is electrically connected to a conductive element by an electrical connection comprising a solder;
- disposed on the carrier, circuitry for controlling current supplied to the LEDs;
- and
- at least one power source for providing power to the light-emitting strings,
- wherein (i) the conductive elements comprise aluminum and (ii) the LEDs emit white light.
3 more elements
Dependencies are inferred from the claim text.