# US 8,465,167 B2 · Color conversion occlusion and associated methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,465,167 B2 - Document ID: US8465167B2 - Status: Granted - Kind: B2 - Application number: 13/234,371 - Filed: 2011-09-16 - Published: 2013-03-21 - Granted: 2013-06-18 - Earliest claimed: 2011-09-16 - Assignees: Lighting Science Group Corporation - Applicants: Fredric S. Maxik; Eric Bretschneider; Robert R. Soler; David E. Bartine - Inventors: Fredric S. Maxik; Eric Bretschneider; Robert R. Soler; David E. Bartine - Web page: https://patentgrep.com/patent/US8465167B2 ## CPC - F21V 7/0008: {providing for indirect lighting} - F21V 7/0033: {with successive reflections from one reflector to the next or following} - F21V 7/26: the material comprising photoluminescent substances - F21V 7/30: the coatings comprising photoluminescent substances - F21V 9/08: for producing coloured light, e.g. monochromatic; for reducing intensity of light (with provision for controlling the colour F21V9/40) - F21V 9/32: characterised by the arrangement of the photoluminescent material - F21V 9/38: Combination of two or more photoluminescent elements of different materials - F21V 13/08: the elements being filters or photoluminescent elements and reflectors - F21Y 2115/10: Light-emitting diodes [LED] - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract A light converting device is described for receiving source light within a source wavelength range, converting the source light into a converted light, and reflecting the converted light to a desired output direction. The lighting device may use a color conversion occlusion to receive the source light and reflect a converted light in the desired output direction. The converted light may be intermediately reflected by the enclosure as it is directed in the desired output direction. ## Claims ### Claim 1 A light converting device comprising: an enclosure; an occlusion; and a conversion material located adjacent to and generally conforming to a contour of at least part of the occlusion; wherein at least part of the occlusion is located within the enclosure to receive a source light within a source wavelength range; wherein the conversion material converts the source light to a converted light within a converted wavelength range; wherein the converted light is reflected by the occlusion to a desired output direction. ### Claim 2 (depends on 1) A light converting device according to claim 1 wherein the source light is received by the occlusion, reflected from the occlusion to the enclosure and reflected from the enclosure to the desired output direction. ### Claim 3 (depends on 1) A light converting device according to claim 1 further comprising an occlusion support connected to the enclosure and the occlusion. ### Claim 4 (depends on 1) A light converting device according to claim 1 wherein the occlusion support has a first end connected to an interior surface of the enclosure and a second end opposite the first end connected to the occlusion. ### Claim 5 (depends on 1) A light converting device according to claim 1 wherein the conversion material is selected from the group consisting of phosphors, quantum dots, luminescent materials, and fluorescent materials. ### Claim 6 (depends on 1) A light converting device according to claim 1 wherein the source light is a monochromatic light. ### Claim 7 (depends on 1) A light converting device according to claim 1 wherein the source wavelength range is selected from the group consisting of a blue spectrum and an ultraviolet spectrum. ### Claim 8 (depends on 7) A light converting device according to claim 7 wherein the source wavelength range of the source light within the ultraviolet spectrum is between 200 nanometers and 400 nanometers. ### Claim 9 (depends on 7) A light converting device according to claim 7 wherein the source wavelength range of the source light within the blue spectrum is between 400 nanometers and 500 nanometers. ### Claim 10 (depends on 1) A light converting device according to claim 1 wherein the source light originates at least partially from within the enclosure. ### Claim 11 (depends on 1) A light converting device according to claim 1 wherein a reflecting surface of the occlusion is arcuate. ### Claim 12 A light converting device comprising: an enclosure; an occlusion connected to the enclosure via an occlusion support; and a conversion material located adjacent to and generally conforming to a contour of at least part of the occlusion; wherein at least part of the occlusion is located within the enclosure to receive a source light within a source wavelength range; wherein the conversion material converts the source light to a converted light within a converted wavelength range; wherein the occlusion reflects the converted light toward the enclosure and the enclosure reflects the converted light toward a desired output direction. ### Claim 13 (depends on 12) A light converting device according to claim 12 wherein the occlusion support has a first end connected to an interior surface of the enclosure and a second end opposite the first end connected to the occlusion. ### Claim 14 (depends on 12) A light converting device according to claim 12 wherein the conversion material is selected from the group consisting of phosphors, quantum dots, luminescent materials, and fluorescent materials. ### Claim 15 (depends on 12) A light converting device according to claim 12 wherein the source light is a monochromatic light. ### Claim 16 (depends on 12) A light converting device according to claim 12 wherein the source wavelength range is selected from the group consisting of a blue spectrum and an ultraviolet spectrum. ### Claim 17 (depends on 16) A light converting device according to claim 16 wherein the source wavelength range of the source light within the ultraviolet spectrum is between 200 nanometers and 400 nanometers. ### Claim 18 (depends on 16) A light converting device according to claim 16 wherein the source wavelength range of the source light within the blue spectrum is between 400 nanometers and 500 nanometers. ### Claim 19 (depends on 12) A light converting device according to claim 12 wherein the source light originates at least partially from within the enclosure. ### Claim 20 (depends on 12) A light converting device according to claim 12 wherein a reflecting surface of the occlusion is arcuate. ### Claim 21 A method of converting a source light using a light converting device having an enclosure, an occlusion and a conversion material located adjacent to and generally conforming to a contour of the occlusion, the method comprising: receiving the source light within a source wavelength range at the occlusion; converting the source light into a converted light within a converted wavelength range; and reflecting the converted light from the occlusion toward a desired output direction. ### Claim 22 (depends on 21) A method according to claim 21 wherein at least a part of the occlusion is located within the enclosure. ### Claim 23 (depends on 21) A method according to claim 21 wherein reflecting the converted light towards the desired output direction further includes reflecting the converted light from the occlusion to the enclosure, and reflecting the converted light from the enclosure to the desired output direction. ### Claim 24 (depends on 21) A method according to claim 21 wherein the occlusion is connected to the enclosure using an occlusion support. ### Claim 25 (depends on 24) A method according to claim 24 wherein the occlusion support has a first end connected to an interior surface of the enclosure and a second end opposite the first end connected to the occlusion. ### Claim 26 (depends on 21) A method according to claim 21 wherein the source light is a monochromatic light. ### Claim 27 (depends on 21) A method according to claim 21 wherein the source wavelength range is selected from a group consisting of a blue spectrum and an ultraviolet spectrum. ### Claim 28 (depends on 21) A method according to claim 21 wherein the source wavelength range of the source light within the ultraviolet spectrum is between 200 nanometers and 400 nanometers. ### Claim 29 (depends on 21) A method according to claim 21 wherein the source wavelength range of the source light within the blue spectrum is between 400 nanometers and 500 nanometers. ### Claim 30 (depends on 21) A method according to claim 21 wherein the conversion material is selected from a group consisting of phosphors, quantum dots, luminescent materials, and fluorescent materials. ### Claim 31 (depends on 21) A method according to claim 21 wherein a reflecting surface of the occlusion is arcuate. ### Claim 32 A method of using a light converting device comprising an occlusion located adjacent to an enclosure via an occlusion support and a conversion material located adjacent to and generally conforming to a contour of the occlusion, the method comprising: receiving a source light within a source wavelength range at the occlusion; converting the source light into a converted light within a converted wavelength range; reflecting the converted light from the occlusion toward the enclosure; and reflecting the converted light from the enclosure to a desired output direction. ### Claim 33 (depends on 32) A method according to claim 32 wherein the occlusion support has a first end connected to an interior surface of the enclosure and a second end opposite the first end connected to the occlusion. ### Claim 34 (depends on 32) A method according to claim 32 wherein the source light is a monochromatic light. ### Claim 35 (depends on 32) A method according to claim 32 wherein the source wavelength range is selected from a group consisting of a blue spectrum and an ultraviolet spectrum. ### Claim 36 (depends on 32) A method according to claim 32 wherein the source wavelength range of the source light within the ultraviolet spectrum is between 200 nanometers and 400 nanometers. ### Claim 37 (depends on 32) A method according to claim 32 wherein the source wavelength range of the source light within the blue spectrum is between 400 nanometers and 500 nanometers. ### Claim 38 (depends on 32) A method according to claim 32 wherein the conversion material is selected from a group consisting of phosphors and quantum dots. ### Claim 39 (depends on 32) A method according to claim 32 wherein a reflecting surface of the occlusion is arcuate.