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US 2014/0191648 A1Published application
Protective coating for led lamp
AssigneeCree, Inc.
InventorSHAOW B. LIN
Life of this patent
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Abstract
The present disclosure discloses a method for providing protective coatings onto one or more surfaces of a frangible enclosure of an LED lamp and a lamp prepared therefrom. More particularly, the present disclosure relates to LED lamps comprising polymer coatings on at least one or more surfaces of an enclosure of an LED lamps.
Claims26
A method of reducing or preventing luminous change of a light emitting diode (LED) lamp, the method comprising:
- providing an LED lamp with a frangible enclosure comprising a first environment contributing to a first luminous output, wherein egress into or out of the enclosure provides a second environment different from the first environment, the second environment contributing to a second luminous output of the LED lamp, the second luminous output different from the first luminous output;
- coating at least a portion of the frangible enclosure with a coating, the coating reducing or eliminating egress into or out of the frangible enclosure;
- and
- reducing or preventing luminous change upon breach of the frangible enclosure.
1 more element
An LED lamp comprising:
- a frangible enclosure having an internal surface and an external surface, the frangible enclosure coupled to a threaded metal base and enclosing at least one LED element and a first environment, the first environment being different from a second environment external to the frangible enclosure;
- and
- a coating at least partially covering one or both of the internal surface and the external surface of the frangible enclosure.
A method of coating an LED lamp comprising:
- providing an LED lamp comprising:
- a frangible enclosure having an internal surface and an external surface, the frangible enclosure couplable to a threaded metal base and for enclosing at least one LED element and a first environment, the first environment being different from a second environment external to the frangible enclosure;
- optionally, one or more phosphors, diffusers, and lanthanide oxides;
- and
- contacting the frangible enclosure with a coating composition.
2 more elements
Dependencies are inferred from the claim text.