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US 2019/0198728 A1Published application
Led with structured layers and nanophosphors
AssigneeLumileds LLC
InventorsVenkata Ananth TAMMA, Antonio LOPEZ-JULIA
Life of this patent
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Abstract
A device comprising a light emitting diode (LED) substrate, and a meta-molecule wavelength converting layer positioned within an emitted light path from the LED substrate, the a meta-molecule wavelength converting layer including a plurality of nanoparticles, the plurality of nanoparticles configured to increase a light path length in the wavelength converting layer.
Claims20
A device comprising:
- a light emitting diode (LED) substrate;
- and
- a meta-molecule wavelength converting layer positioned within an emitted light path from the LED substrate, the meta-molecule wavelength converting layer including a plurality of nanoparticles, the plurality of nanoparticles configured to increase a light path length in the wavelength converting layer.
A device comprising:
- a light emitting diode (LED) substrate;
- and
- a meta-molecule wavelength converting layer positioned within an emitted light path from the LED substrate, the meta-molecule wavelength converting layer includes a photonic nanostructure, the photonic nanostructure configured to increase a light path length in the wavelength converting layer.
A method comprising:
- providing power to an excitation layer of a light emitting diode (LED) to cause the LED to provide emitted light;
- and
- interacting with the emitted light using a meta-molecule wavelength converting layer including at least one of a plurality of nanoparticles or photonic nanostructure to increase a light path length in the meta-molecule wavelength converting layer.
Dependencies are inferred from the claim text.