Light emitting diodes, components and related methods
Light emitting diodes, components, and related methods, with improved performance over existing light emitting diodes. In some embodiments, light emitter devices included herein include a submount, a light emitter, a light affecting material, and a wavelength conversion component. Wavelength conversion components provided herein include a transparent substrate having an upper surface and a lower surface, and a phosphor compound disposed on the upper surface or lower surface, wherein the wavelength conversion component is configured to alter a wavelength of a light emitted from a light source when positioned proximate to the light source.
1. A light emitter device comprising:
a submount comprising an upper surface and a bottom surface;
a first light emitter and a second light emitter disposed on the upper surface of the submount;
a light affecting material disposed on the upper surface of the submount and adjacent to the first light emitter and the second light emitter; and
a wavelength conversion component disposed on each of the first light emitter, the second light emitter, and the light affecting material, the wavelength conversion component comprising a transparent substrate, a first phosphor zone supported by the substrate and registered with the first light emitter, and a second phosphor zone supported by the substrate and registered with the second light emitter, wherein the second phosphor zone comprises a phosphor that is compositionally different from a phosphor of the first phosphor zone.
2. The light emitter device of claim 1 , wherein the transparent substrate comprises an upper substrate surface and a lower substrate surface, and the first phosphor zone and the second phosphor zone are disposed on at least one of the upper substrate surface or the lower substrate surface.
3. The light emitter device of claim 1 , wherein at least one of the first phosphor zone or the second phosphor zone comprises a spray-coated phosphor material.
4. The light emitter device of claim 1 , wherein the first phosphor zone comprises a red phosphor material and the second phosphor zone comprises at least one of a yellow phosphor material or a green phosphor material.
5. The light emitter device of claim 1 , wherein the light affecting material comprises a reflective material.
6. The light emitter device of claim 1 , wherein:
the transparent substrate comprises an upper substrate surface, a lower substrate surface, and at least one side substrate surface bounding the upper substrate surface and the lower substrate surface; and
the light affecting material is configured to peripherally surround the at least one side substrate surface.
7. The light emitter device of claim 1 , wherein:
the submount further comprises (i) electrical traces that are electrically connected to the first and second light emitters, and (ii) one or more contacts that are electrically connected to the electrical traces; and
the one or more contacts are uncovered by the light affecting material.
8. The light emitter device of claim 7 , wherein the electrical traces and the one or more contacts are arranged on the upper surface of the submount.
9. The light emitter device of claim 1 , wherein the first light emitter and the second light emitter are configured to emit light in a blue wavelength spectrum.
10. The light emitter device of claim 1 , wherein the first light emitter and the second light emitter are separately controllable.
11. The light emitter device of claim 1 , wherein the transparent substrate comprises sapphire.
12. The light emitter device of claim 1 , wherein the first phosphor zone and the second phosphor zone are arranged between the transparent substrate and the submount.
13. A wavelength conversion component, comprising:
a transparent substrate having an upper surface and a lower surface;
a first spray-coated phosphor material supported by the lower surface; and
a second spray-coated phosphor material supported by the lower surface, wherein the second spray-coated phosphor material comprises a phosphor that is compositionally different from a phosphor of the first spray-coated phosphor material; and wherein the first spray-coated phosphor material and the second spray-coated phosphor material are configured to alter a wavelength of a light emitted from a light source when the lower surface is positioned proximate to the light source.
14. The wavelength conversion component of claim 13 , wherein the first spray-coated phosphor material comprises a first mixture of one or more phosphor materials, and the second spray-coated phosphor material comprises a second mixture of one or more phosphor materials.
15. The wavelength conversion component of claim 13 , wherein the first spray-coated phosphor material is configured to provide a first color point, and the second spray-coated phosphor material is configured to provide a second color point that differs from the first color point.
16. The wavelength conversion component of claim 13 , wherein the first spray-coated phosphor material comprises a red phosphor material and the second spray-coated phosphor material comprises at least one of a yellow phosphor material or a green phosphor material.
17. The wavelength conversion component of claim 13 , wherein the first spray-coated phosphor material forms a first phosphor zone and the second spray-coated phosphor material forms a second phosphor zone that is adjacent the first phosphor zone on the lower surface.
18. The wavelength conversion component of claim 13 , wherein the second spray-coated phosphor material is layered over the first spray-coated phosphor material.
19. The wavelength conversion component of claim 13 , wherein the first spray-coated phosphor material and the second spray-coated phosphor material comprise mixtures of silicone and one or more phosphor materials.
20. The wavelength conversion component of claim 13 , wherein the transparent substrate comprises sapphire.