# US 11,028,975 B2 · Lighting fixture with 2D array of closely-packed LED components > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,028,975 B2 - Document ID: US11028975B2 - Status: Granted - Kind: B2 - Application number: 16/934,633 - Filed: 2020-07-21 - Published: 2020-11-05 - Granted: 2021-06-08 - Earliest claimed: 2014-11-20 - Assignees: The Light Source, Inc. - Applicants: The Light Source, Inc. - Inventors: Eric Eugene Von Fange; Jeff Wright; Kevin J. Russell - Web page: https://patentgrep.com/patent/US11028975B2 ## CPC - F21K 9/60: Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - F21K 9/23: Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings - F21V 5/008: {Combination of two or more successive refractors along an optical axis} - F21V 5/04: of lens shape - F21V 5/045: {the lens having discontinuous faces, e.g. Fresnel lenses} - F21V 23/003: {the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array} - F21V 29/773: {the planes containing the fins or blades having the direction of the light emitting axis} - F21V 29/86: {Ceramics or glass} - H05B 45/20: Controlling the colour of the light - H05B 45/56: involving measures to prevent abnormal temperature of the LEDs - H05B 47/184: {using digital multiplexed [DMX] communication protocols} - H05B 47/1985: {Creation of lighting zones or scenes} - F21Y 2101/00: Point-like light sources - F21Y 2105/00: Planar light sources - F21Y 2105/10: comprising a two-dimensional [2D] array of point-like light-generating elements - F21Y 2105/12: characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities - F21Y 2113/00: Combination of light sources - F21Y 2113/13: comprising an assembly of point-like light sources - F21Y 2115/10: Light-emitting diodes [LED] - H05B 47/196: {characterised by user interface arrangements} - F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - 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 An LED lighting fixture includes a housing; a substrate located within the housing; a plurality of LED groups of various colors mounted on the substrate, each LED color group including multiple LED components; at least one circuit communicating with a power supply and adapted for powering the LED components; and an optical component located at an output end of the housing. The LED components are arranged along first and second directions orthogonal to one another, such that no two LED of the same color reside adjacent one another along both of the first and second directions, and each LED component is spaced-apart from an adjacent LED component a distance no greater than 1.0 mm. ## Claims ### Claim 1 A lighting fixture, comprising: a fixture housing; an LED array located within said fixture housing, and comprising: (i) an LED mounting substrate; (ii) a plurality of LED components of various colors carried on said mounting substrate and arranged in multiple color groups, each color group comprising multiple LED components, and wherein said LED components are arranged along first and second directions orthogonal to one another such that no two like colors reside adjacent one another along both of the first and second directions, and wherein each LED component is spaced-apart from an adjacent LED component a distance no greater than 1.0 mm; (iii) at least one LED circuit configured for electrically connecting with a power supply for powering said LED components; and an optical component located at an output end of said fixture housing. ### Claim 2 (depends on 1) The lighting fixture according to claim 1, wherein each LED component is spaced-apart from an adjacent LED component a distance less than 0.5 mm. ### Claim 3 (depends on 1) The lighting fixture according to claim 1, wherein each LED component is spaced-apart from an adjacent LED component a distance less than 0.25 mm. ### Claim 4 (depends on 1) The lighting fixture according to claim 1, wherein said LED components comprise colors selected from a group consisting of red, green, blue, and white. ### Claim 5 (depends on 1) The lighting fixture according to claim 1, wherein said LED components operate at different color temperatures designed to produce multiple distinct colors of white light. ### Claim 6 (depends on 1) The lighting fixture according to claim 1, the LED circuit comprising analog dimming means for adjusting a brightness of said LED components. ### Claim 7 (depends on 1) The lighting fixture according to claim 1, wherein said optical component comprises a Fresnel lens. ### Claim 8 (depends on 1) The lighting fixture according to claim 1, wherein said optical component comprises a light diffuser lens. ### Claim 9 (depends on 1) The lighting fixture according to claim 1, wherein said optical component comprises an LED condenser lens. ### Claim 10 (depends on 1) The lighting fixture according to claim 1, wherein said LED array comprises greater than 200 LED components across a substrate surface area of less than 120 square centimeters. ### Claim 11 (depends on 1) The lighting fixture according to claim 1, wherein said LED components comprise high-brightness LED components having a maximum brightness of greater than 50 lumens. ### Claim 12 (depends on 1) The lighting fixture according to claim 1, wherein said LED mounting substrate comprises a thermally conductive ceramic material. ### Claim 13 (depends on 12) The lighting fixture according to claim 12, wherein said ceramic material is selected from a group consisting of beryllium oxide and aluminum nitride. ### Claim 14 (depends on 1) The lighting fixture according to claim 1, wherein said LED array comprises a plurality LED series circuits. ### Claim 15 (depends on 14) The lighting fixture according to claim 14, wherein each LED series circuit operatively connects multiple like-colored LED components. ### Claim 16 An LED array, comprising: an LED mounting substrate; a plurality of LED components of various colors carried on said mounting substrate and arranged in multiple color groups, each color group comprising multiple LED components, and wherein said LED components are arranged along first and second directions orthogonal to one another, such that no two like colors reside adjacent one another along both of the first and second directions, and wherein each LED component is spaced-apart from an adjacent LED component a distance no greater than 1.0 mm; and at least one LED circuit configured for electrically connecting with a power supply for powering said LED components.