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US 2019/0198720 A1Published application
Particle systems and patterning for monolithic led arrays
AssigneeLumileds LLC
InventorsDanielle Russell CHAMBERLIN, Kentaro SHIMIZU, Peter Josef SCHMIDT, Daniel Bernardo ROITMAN
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Abstract
A wavelength converting layer is disclosed that includes a plurality of phosphor grains 50-500 nm in size and encapsulated in cerium free YAG shells and a binder material binding the plurality of phosphor grains, the wavelength converting layer having a thickness of 5-20 microns attached to the light emitting surface.
Claims20
A device comprising:
- a light emitting layer;
- and
- a wavelength converting layer having a thickness of 5-20 microns over the light emitting layer, the wavelength converting layer comprising:
- a plurality of phosphor grains 50-500 nm in size and encapsulated in cerium free YAG shells;
- and
- a binder material binding the plurality of phosphor grains.
3 more elements
A wavelength converting layer comprising:
- a plurality of phosphor grains 50-500 nm in size and encapsulated in cerium free YAG shells;
- and
- a binder material binding the plurality of phosphor grains, the wavelength converting layer having a thickness of 5-20 microns attached to the light emitting surface.
A method comprising:
- providing a light emitting surface;
- depositing, via electrophoretic deposition, a wavelength converting layer over the light emitting surface, the wavelength converting layer comprising:
- a plurality of phosphor grains 50-500 nm in size and encapsulated in cerium free YAG shells;
- and
- a binder material binding the plurality of phosphor grains, the wavelength converting layer having a thickness of 5-20 microns attached to the light emitting surface.
2 more elements
Dependencies are inferred from the claim text.