Systems, methods and devices for providing quantum dot lighting solutions
View Patent ↗A light module for providing an array of quantum dot disks and methods for manufacturing the same are described herein. The light module may include at least one light emitting diode (LED) light source in an edge lighting configuration emitting light into a waveguide, such as a frustrated total internal reflection (FTIR) waveguide. At least a portion of the waveguide includes a nanophosphor material, such as a quantum dot disk. Moreover, the waveguide includes at least one aperture on a surface of the waveguide optically aligned with the nanophosphor material. The light module further includes a lens optically aligned with the aperture of the waveguide, such as an over-optic. In alternative embodiments of the invention, the light module may includes at least one LED light source optically aligned with a quantum dot disk remotely located from the LED light source and optically aligned with an over-optic lens.
1. A light module comprising:
a waveguide comprising a top surface and an edge surface extending away from a perimeter of the top surface, the top surface including at least one aperture formed therein;
a nanophosphor material optically and vertically aligned with a corresponding aperture;
at least one light emitting diode (LED) light source in an edge lighting configuration emitting light into the waveguide; and
a lens optically and vertically aligned with a corresponding aperture of the waveguide and the corresponding nanophoshor material, the lens covering the corresponding aperture and nanophosphor material.
2. The light module of claim 1 , wherein the nanophosphor is a quantum dot disk.
3. The light module of claim 1 , wherein the lens is an over-optic.
4. The light module of claim 1 , wherein the waveguide is a frustrated total internal reflection (FTIR) waveguide.
5. The light module of claim 1 , wherein the waveguide includes a plurality of apertures, wherein each of the plurality of apertures is optically and vertically aligned with a corresponding lens.
6. The light module of claim 1 , wherein a surface between the nanophosphor material and the lens is highly reflective.
7. The light module of claim 1 , wherein at least a portion of the nanophosphor material is positioned above the corresponding aperture that is optically and vertically aligned.
8. The light module of claim 1 , wherein a bottom surface of the lens and the top surface of the waveguide forms a gap therebetween.
9. The light module of claim 1 , wherein the aperture extends from within the waveguide to beyond the top surface of the waveguide.
10. The light module of claim 1 , further comprising a reflector plate positioned proximally to a bottom surface of the waveguide, the bottom surface being positioned opposite the top surface of the waveguide.
11. A light module comprising:
at least one light emitting diode (LED) light source;
a quantum dot disk remotely located from the LED light source, the quantum dot disk being optically and vertically aligned with a corresponding LED light source; and
a lens optically and vertically aligned with both the quantum dot disk and the LED light source, the lens covering the corresponding quantum dot disk.
12. The light module of claim 11 , wherein at least one surface between the nanophosphor material and the lens is highly reflective.
13. The light module of claim 11 , wherein the light module includes a highly reflective surface interstitially imposed between the LED light source and the quantum dot disk so as to recycle the light that is not captured by the quantum dot disk in a single pass.
14. A method of manufacturing a light module comprising:
providing a waveguide comprising a top surface and an edge surface extending away from a perimeter of the top surface, the top surface including at least one aperture formed therein;
positioning a nanophosphor material optically and vertically aligned with a corresponding aperture;
positioning at least one light emitting diode (LED) light source in an edge lighting configuration emitting light into the waveguide; and
providing a lens optically and vertically aligned with a corresponding aperture of the waveguide and the corresponding nanophoshor material, the lens covering the corresponding aperture and nanophosphor material.
15. The method of claim 14 , further comprising providing a highly reflectivity coating on at least one of a top surface of the aperture, a bottom surface of the lens, or interstitially between the lens and the nanophosphor material.
16. The method of claim 14 , wherein at least a portion of the nanophosphor material is positioned within the corresponding aperture that is optically and vertically aligned.
17. The method of claim 14 , wherein at least a portion of the nanophosphor material is positioned above the corresponding aperture that is optically and vertically aligned.
18. The method of claim 14 , wherein the aperture extends from within the waveguide to beyond the top surface of the waveguide.
19. The method of claim 18 , wherein a top surface of the aperture facilitates forming a gap between a bottom surface of the lens and the top surface of the waveguide.
20. The light module of claim 1 , wherein at least a portion of the nanophosphor material is positioned within the corresponding aperture that is optically and vertically aligned.