# US 11,027,319 B2 · Illumination using multiple light sources > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,027,319 B2 - Document ID: US11027319B2 - Status: Granted - Kind: B2 - Application number: 16/369,540 - Filed: 2019-03-29 - Published: 2019-10-03 - Granted: 2021-06-08 - Earliest claimed: 2018-03-31 - Assignees: Sensor Electronic Technology, Inc. - Applicants: Sensor Electronic Technology, Inc. - Inventors: Maxim S. Shatalov; Alexander Dobrinsky - Web page: https://patentgrep.com/patent/US11027319B2 ## CPC - B08B 7/0057: {by ultraviolet radiation} - A61L 2/10: Ultraviolet [UV] radiation - A61L 2/24: Apparatus using programmed or automatic operation - A61L 2202/11: Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps - A61L 2202/122: Chambers for sterilisation - A61L 2202/14: Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs - B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) ## Abstract A solution for illuminating an area and/or treating a substance with light, such as ultraviolet radiation, is described. The solution can use one or more solid state ultraviolet sources in conjunction with one or more ultraviolet lamps to illuminate a treatment region with ultraviolet radiation. A control component can individually operate the solid state ultraviolet source(s) and the ultraviolet lamp(s) to illuminate the treatment region with ultraviolet radiation having a predetermined minimum ultraviolet intensity. ## Claims ### Claim 1 A system comprising: a set of ultraviolet transparent windows defining at least a portion of at least one side of a treatment region; a set of solid state ultraviolet sources configured to emit ultraviolet light directed through an ultraviolet transparent window of the set of ultraviolet transparent windows into the treatment region; a set of ultraviolet lamps configured to emit ultraviolet light directed through an ultraviolet transparent window of the set of ultraviolet transparent windows into the treatment region; and a control component configured to individually operate the set of solid state ultraviolet sources and the set of ultraviolet lamps to treat a substance located within the treatment region by illuminating the treatment region with ultraviolet radiation having a predetermined minimum ultraviolet intensity, wherein the control component illuminates the treatment region by concurrently turning on the set of solid state ultraviolet sources and the set of ultraviolet lamps and reducing power to the set of solid state ultraviolet sources over time in response to the set of ultraviolet lamps emitting a higher intensity of ultraviolet radiation. ### Claim 2 (depends on 1) The system of claim 1, wherein the ultraviolet light emitted by the set of solid state ultraviolet sources and the set of ultraviolet lamps is directed through the same ultraviolet transparent window. ### Claim 3 (depends on 1) The system of claim 1, wherein the ultraviolet light emitted by the set of solid state ultraviolet sources and the set of ultraviolet lamps is directed through different ultraviolet transparent windows in the set of ultraviolet transparent windows. ### Claim 4 (depends on 1) The system of claim 1, wherein the set of ultraviolet transparent windows define at least a portion of at least two sides of a channel, wherein the substance comprises a fluid flowing through the channel. ### Claim 5 (depends on 4) The system of claim 4, wherein the control component is configured to determine the predetermined minimum ultraviolet intensity based on a transparency of the fluid and a flow rate of the fluid. ### Claim 6 (depends on 1) The system of claim 1, wherein the predetermined minimum ultraviolet intensity is based on a level of contamination of the substance. ### Claim 7 (depends on 1) The system of claim 1, wherein the substance comprises a surface of an object. ### Claim 8 (depends on 1) The system of claim 1, wherein the set of solid state ultraviolet sources, the set of ultraviolet lamps, and the control component are mounted to a substrate. ### Claim 9 (depends on 1) The system of claim 1, wherein the control component pulses power to the set of solid state ultraviolet sources. ### Claim 10 A system comprising: a set of ultraviolet transparent windows defining at least a portion of at least one side of a treatment region; a plurality of solid state ultraviolet sources configured to emit ultraviolet light directed through an ultraviolet transparent window of the set of ultraviolet transparent windows into the treatment region; an ultraviolet lamp configured to emit ultraviolet light directed through an ultraviolet transparent window of the set of ultraviolet transparent windows into the treatment region; and a control component configured to individually operate the plurality of solid state ultraviolet sources and the ultraviolet lamp to treat a substance located within the treatment region by illuminating the treatment region with ultraviolet radiation having a predetermined minimum ultraviolet intensity, wherein the control component illuminates the treatment region by concurrently turning on at least some of the plurality of solid state ultraviolet sources and the ultraviolet lamp and reducing power to the at least some of the plurality of solid state ultraviolet sources over time in response to the ultraviolet lamp emitting a higher intensity of ultraviolet radiation. ### Claim 11 (depends on 10) The system of claim 10, wherein the plurality of solid state ultraviolet sources includes a first subset of ultraviolet sources that emit UV-C ultraviolet radiation and a second subset of ultraviolet source that emit at least one of: UV-A ultraviolet radiation or blue UV radiation. ### Claim 12 (depends on 10) The system of claim 10, wherein the set of ultraviolet transparent windows are configured to diffusively transmit the ultraviolet radiation into the treatment region. ### Claim 13 (depends on 10) The system of claim 10, wherein the control component is configured to selectively operate a subset of the plurality of solid state ultraviolet sources based on a target contaminant. ### Claim 14 (depends on 10) The system of claim 10, further comprising a set of ultraviolet sensors located within the treatment region, wherein the control component adjusts operation of the at least some of the plurality of solid state ultraviolet sources based on the ultraviolet intensity data acquired by the set of ultraviolet sensors. ### Claim 15 A lighting system comprising: a set of transparent windows defining at least a portion of at least one side of an illumination region; a plurality of solid state light sources configured to emit light directed through a transparent window of the set of transparent windows into the illumination region; a lamp configured to emit light directed through a transparent window of the set of transparent windows into the illumination region; a set of light sensors located within the illumination region; and a control component configured to individually operate the plurality of solid state light sources and the lamp to illuminate the illumination region with light having a predetermined minimum light intensity, wherein the control component adjusts operation of the at least some of the plurality of solid state light sources based on light intensity data acquired by the set of light sensors. ### Claim 16 (depends on 15) The lighting system of claim 15, wherein the light comprises ultraviolet radiation. ### Claim 17 (depends on 15) The lighting system of claim 15, wherein the control component is configured to determine the predetermined minimum light intensity based on a transparency of a substance located within the illumination region. ### Claim 18 (depends on 15) The lighting system of claim 15, wherein, in response to receiving a request to illuminate the illumination region, the control component concurrently turns on at least some of the plurality of solid state light sources and the lamp and reduces power to the at least some of the plurality of solid state light sources over time in response to the lamp emitting a higher intensity of light. ### Claim 19 (depends on 15) The lighting system of claim 15, wherein the predetermined minimum light intensity is based on a level of contamination of a substance located within the illumination region. ### Claim 20 (depends on 16) The lighting system of claim 16, wherein the control component is configured to determine the level of contamination of the substance based on the light intensity data acquired by the set of light sensors.