# US 11,998,759 B2 · Electrically passive low-level light therapy system and methods incorporating same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,998,759 B2 - Document ID: US11998759B2 - Status: Granted - Kind: B2 - Application number: 17/267,953 - Filed: 2019-08-21 - Published: 2021-06-24 - Granted: 2024-06-04 - Earliest claimed: 2018-08-21 - Assignees: Lumia Group, LLC - Applicants: Lumia Group, LLC - Inventors: Robert Gates Hinds; Marco Scipioni - Web page: https://patentgrep.com/patent/US11998759B2 ## CPC - A61N 5/0616: {Skin treatment other than tanning} - A61B 5/6804: {Garments; Clothes} - A61B 5/6803: {Head-worn items, e.g. helmets, masks, headphones or goggles} - A61N 2005/063: {comprising light transmitting means, e.g. optical fibres} - A61N 2005/0645: {Applicators worn by the patient} - A61N 2005/0647: {the applicator adapted to be worn on the head} - A61N 2005/0651: {Diodes} - A61N 2005/0656: {Chemical light sources} - A61N 2005/0659: {infrared} - A61N 2005/0661: {ultraviolet} - A61N 2005/0662: {Visible light} - Y02E 10/52: PV systems with concentrators - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract Low-level light therapy system with an electrically passive, article of apparel that absorbs an incident spectrum including one or more of a UV wavelength, a visible wavelength, and a near infrared wavelength and emits light having an emission spectrum including visible light radiation and near infrared radiation. Light is emitted from the yarns and a textile material consisting of a network of yarns (as well as the article of apparel made from such a textile material) having an emission spectrum including visible light radiation and near infrared radiation in a direction toward a body of a person. An article of apparel that emits light in the visible/near infrared spectrum, a method of manufacture, and a low-level light therapy method are also disclosed. ## Claims ### Claim 1 A low-level light therapy system, comprising: an article of apparel that absorbs an incident spectrum including one or more of a UV wavelength, a visible wavelength, and a near infrared wavelength and emits light having an emission spectrum including one or more of visible light radiation and near infrared radiation, wherein the article of apparel is electrically passive, wherein the light having an emission spectrum including one or more of visible light radiation and near infrared radiation is emitted from the article of apparel in a direction toward a mammalian body wearing the article of apparel, and wherein the emission spectrum includes one or more of a first peak between 700 nm and 800 nm with a full width at half maximum (FWHM) of 100 nm to 150 nm and a second peak between 800 nm and 900 nm with a full width at half maximum (FWHM) of 100 nm to 150 nm. ### Claim 2 (depends on 1) The light therapy system of claim 1, wherein the article of apparel, comprises: a textile material including a network of yarns, wherein the yarns include one or more of a textured yarn and a staple yarn; wherein each yarn in the network of yarns includes a textile grade, polymeric host material and 0.01 wt. % to 1.0 wt. % of one or more fluorescent components, wherein the fluorescent component having an emission spectrum including visible light radiation has a quantum efficiency of 90% and above, and wherein the fluorescent component having an emission spectrum in the near infrared range has a quantum efficiency of 50% and above. ### Claim 3 (depends on 2) The light therapy system according to claim 2, wherein the fluorescent component includes one or more of a dye and a quantum dot, wherein the dye includes one or more of a perylene dye, a cyanine dye, a rhodamine dye, a coumarine dye, and a dye belonging to the class of anthrapyridone dyes, thioxanthene dyes and thioindigoid dyes, and wherein the dye includes one or more species of fluorescent dyes. ### Claim 4 (depends on 2) The light therapy system according to claim 2, wherein the textile grade, polymeric host material is a homopolymer or a copolymer or a long-chain polymer and is selected from the group consisting of polyesters, polyamides, olefins, acrylics, PMMA, PLA, and polycarbonates, and wherein the textile grade, polymeric host material has an intrinsic viscosity (IV) in a range of 0.5 to 1.0 dL/g. ### Claim 5 (depends on 4) The light therapy system according to claim 4, wherein each yarn in the network of yarns further includes less than 2.0 wt. % titanium dioxide. ### Claim 6 (depends on 2) The light therapy system according to claim 2, wherein the light having an emission spectrum including one or more of visible light radiation and near infrared radiation is emitted from a plurality of locations along a length of one or more of the yarns, and wherein the emission spectrum includes at least one peak in a range of 600 nm to 1200 nm. ### Claim 7 (depends on 1) The light therapy system of claim 1, wherein the article of apparel, comprises: a plurality of yarns, wherein the yarns include one or more of a textured yarn and a staple yarn; wherein each yarn includes a textile grade, polymeric host material and 0.01 wt. % to 1.0 wt. % of one or more fluorescent components, wherein the fluorescent component having an emission spectrum including visible light radiation has a quantum efficiency of 90% and above, and wherein the fluorescent component having an emission spectrum in the near infrared range has a quantum efficiency of 50% and above. ### Claim 8 (depends on 7) The light therapy system according to claim 7, wherein the fluorescent component includes one or more of a dye and a quantum dot, wherein the dye includes one or more of a perylene dye, a cyanine dye, a rhodamine dye, a coumarine dye, and a dye belonging to the class of anthrapyridone dyes, thioxanthene dyes and thioindigoid dyes, and wherein the dye includes one or more species of fluorescent dyes. ### Claim 9 (depends on 7) The light therapy system according to claim 7, wherein the textile grade, polymeric host material is a homopolymer or a copolymer or a long-chain polymer and is selected from the group consisting of polyesters, polyamides, olefins, acrylics, PMMA, PLA, and polycarbonates, and wherein the textile grade, polymeric host material has an intrinsic viscosity (IV) in a range of 0.5 to 1.0 dL/g. ### Claim 10 (depends on 9) The light therapy system according to claim 9, wherein each yarn in the network of yarns further includes less than 2.0 wt. % titanium dioxide. ### Claim 11 (depends on 7) The light therapy system according to claim 7, wherein the light having an emission spectrum including one or more of visible light radiation and near infrared radiation is emitted from a plurality of locations along a length of one or more of the yarns, and wherein the emission spectrum includes at least one peak in a range of 600 nm to 1200 nm. ### Claim 12 (depends on 1) The light therapy system of claim 1, wherein the light having an emission spectrum including one or more of visible light radiation and near infrared radiation is emitted from a portion of the article of apparel, and wherein the emission spectrum includes at least one peak in a range of 600 nm to 1200 nm. ### Claim 13 (depends on 1) The light therapy system according to claim 1, wherein the article of apparel is selected from the group consisting of a footwear, a shirt, a pant, a short, a hand covering, a sock, an arm sleeve, a calf sleeve, an arm band, a wrist band, a head band, and a head covering. ### Claim 14 (depends on 13) The light therapy system of claim 13, wherein the head covering is a hat or a helmet. ### Claim 15 (depends on 1) The light therapy system according to claim 1, wherein the article of apparel is an athletic gear. ### Claim 16 (depends on 1) The light therapy system according to claim 1, further comprising a source that emits the incident spectrum. ### Claim 17 A light therapy sub-system, comprising: a textile material that absorbs an incident spectrum including one or more of a UV wavelength, a visible wavelength, and a near infrared wavelength and emits light having an emission spectrum including one or more of visible light radiation and near infrared radiation, wherein the textile material is electrically passive, wherein the light having an emission spectrum including one or more of visible light radiation and near infrared radiation is emitted from the textile material in a direction toward a mammalian body, wherein the textile material comprises a network of yarns, wherein the yarns include one or more of a textured yarn and a staple yarn, wherein each yarn in the network of yarns includes a textile grade, polymeric host material and 0.01 wt. % to 1.0 wt. % of one or more fluorescent components, wherein the fluorescent component having an emission spectrum including visible light radiation has a quantum efficiency of 90% and above, wherein the fluorescent component having an emission spectrum in the near infrared range has a quantum efficiency of 50% and above, wherein the textile grade, polymeric host material is a homopolymer or a copolymer or a long-chain polymer and is selected from the group consisting of polyesters, polyamides, olefins, acrylics, PMMA, PLA, and polycarbonates, and wherein the textile grade, polymeric host material has an intrinsic viscosity (IV) in a range of 0.5 to 1.0 dL/g, and wherein each yarn in the network of yarns further includes less than 2.0 wt. % titanium dioxide. ### Claim 18 (depends on 17) The light therapy sub-system of claim 17, wherein the fluorescent component includes one or more of a dye and a quantum dot, wherein the dye includes one or more of a perylene dye, a cyanine dye, a rhodamine dye, a coumarine dye, and a dye belonging to the class of anthrapyridone dyes, thioxanthene dyes and thioindigoid dyes, and wherein the dye includes one or more species of fluorescent dyes. ### Claim 19 (depends on 17) The light therapy sub-system according to claim 17, wherein the light having an emission spectrum including one or more of visible light radiation and near infrared radiation emitted from the textile material is emitted from a plurality of locations along a length of one or more of the yarns, and wherein the emission spectrum includes at least one peak in a range of 600 nm to 1200 nm. ### Claim 20 (depends on 19) The light therapy sub-system according to claim 19, wherein the emission spectrum includes one or more of a first peak between 700 nm and 800 nm with a full width at half maximum (FWHM) of 100 nm to 150 nm and a second peak between 800 nm and 900 nm with a full width at half maximum (FWHM) of 100 nm to 150 nm. ### Claim 21 (depends on 17) A light therapy system, comprising the light therapy sub-system according to claim 17, wherein the light therapy sub-system is incorporated into an article of apparel. ### Claim 22 (depends on 21) The light therapy system of claim 21, wherein the article of apparel is selected from the group consisting of a footwear, a shirt, a pant, a short, a hand covering, a sock, an arm sleeve, a calf sleeve, an arm band, a wrist band, a head band, and a head covering. ### Claim 23 (depends on 22) The light therapy system of claim 22, wherein the head covering is a hat, a scarf, or a helmet. ### Claim 24 (depends on 21) The light therapy system of claim 21, wherein the article of apparel is an athletic gear. ### Claim 25 (depends on 17) A light therapy system, comprising the light therapy sub-system according to claim 17, wherein the light therapy sub-system is incorporated into bedding or a towel.