# US 11,297,772 B2 · LED grow light system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,297,772 B2 - Document ID: US11297772B2 - Status: Granted - Kind: B2 - Application number: 17/020,442 - Filed: 2020-09-14 - Published: 2020-12-31 - Granted: 2022-04-12 - Earliest claimed: 2014-12-18 - Assignees: Spectra Harvest Lighting, LLC - Applicants: Spectra Harvest Lighting, LLC - Inventors: James Jeffrey Hanson; Ricky Joe Sullivan McIntosh - Web page: https://patentgrep.com/patent/US11297772B2 ## CPC - A01G 2/00: Vegetative propagation (plant reproduction by tissue culture techniques A01H4/00) - A01G 9/249: {Lighting means (with special arrangements for promoting growth A01G7/045)} - A01G 7/045: {with electric lighting} - H05B 45/56: involving measures to prevent abnormal temperature of the LEDs - F21K 9/00: Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers - F21V 29/67: characterised by the arrangement of fans - F21V 29/673: {the fans being used for intake} - F21V 29/677: {the fans being used for discharging} - F21V 29/763: {the planes containing the fins or blades having the direction of the light emitting axis} - 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 2115/10: Light-emitting diodes [LED] - H05B 45/00: Circuit arrangements for operating light-emitting diodes [LED] - H05B 45/40: Details of LED load circuits - H05B 45/52: in a parallel array of LEDs - H05B 45/54: in a series array of LEDs - H05B 45/58: involving end of life detection of LEDs - Y02P 60/14: Measures for saving energy, e.g. in green houses - A01G: HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING (picking of fruits, vegetables, hops or the like A01D46/00; propagating unicellular algae C12N1/12) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - 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 - 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 - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract A grow light system for growing plants. The grow light system can have a carrier board assembly containing a plurality of apertures and a plurality of LED modules and secondary LED modules removably engaged with the carrier board in the apertures and forming a gap between LED module and the carrier board. The grow light system can be configured to draw air through the gap over the LEDs and along the heat sink fin to reduce the temperature of the LED module. A plurality of the LED modules can be connected in series and the carrier board can include a dedicated receptacle for a single LED module that is not connected in series with the remaining LED modules. ## Claims ### Claim 1 A grow light system comprising: a carrier board assembly defining a plurality of first light emitting diode (LED) module apertures, a plurality of second LED module apertures, and an LED testing module aperture; a plurality of first LED modules removably engaged with the carrier board assembly in the plurality of first LED module apertures and in the LED testing module aperture; and a plurality of second LED modules removably engaged with the carrier board assembly in the plurality of second LED module apertures; wherein each of the plurality of first LED modules comprises a first LED and a second LED; wherein the first LEDs of the plurality of first LED modules engaged in the plurality of first LED module apertures are wired in series with each other; wherein the second LEDs of the plurality of first LED modules engaged in the plurality of first LED module apertures are wired in series with each other; and wherein the first LED and the second LED of the first LED module engaged in the LED testing module aperture are wired in series with each other. ### Claim 2 (depends on 1) The grow light system of claim 1 wherein each of the first LEDs have a first wavelength and each of the second LEDs have a second wavelength different from the first wavelength. ### Claim 3 (depends on 1) The grow light system of claim 1 wherein: each of the plurality of second LED modules comprises a third LED and a fourth LED; the third LEDs of the plurality of second LED modules engaged in the plurality of second LED module apertures are wired in series with each other; and the fourth LEDs of the plurality of second LED modules engaged in the plurality of second LED module apertures are wired in series with each other. ### Claim 4 (depends on 1) The grow light system of claim 1 wherein the second LED modules each comprise one or more chips on board (COB) LEDs. ### Claim 5 (depends on 1) The grow light system of claim 1, further comprising a plurality of third LEDs disposed on the carrier board assembly and configured to emit ultraviolet light. ### Claim 6 (depends on 1) The grow light system of claim 1, wherein each of the plurality of second LED modules comprises a heat sink and a fan. ### Claim 7 (depends on 1) The grow light system of claim 1, further comprising a controller configured to adjust wavelengths of light emitted by the first LED modules or the second LED modules. ### Claim 8 A grow light system comprising: a housing; a carrier board assembly defining a plurality of first light emitting diode (LED) module apertures, a plurality of second LED module apertures, and an LED testing module aperture; a plurality of first LED modules removably engaged with the carrier board assembly in the plurality of first LED module apertures and in the LED testing module aperture; and a plurality of second LED modules removably engaged with the carrier board assembly in the plurality of second LED module apertures; wherein each of the plurality of first LED modules comprises a first LED and a second LED; wherein the first LED modules are configured to emit a first light having a first wavelength; wherein the second LED modules are configured to emit a second light having a second wavelength; wherein the first LEDs of the plurality of first LED modules engaged in the plurality of first LED module apertures are wired in series with each other; wherein the second LEDs of the plurality of first LED modules engaged in the plurality of first LED module apertures are wired in series with each other; wherein the first LED and the second LED of the first LED module engaged in the LED testing module aperture are wired in series with each other; and a controller configured to adjust a wavelength spectrum of light emitted by the plurality of first LED modules or second LED modules. ### Claim 9 (depends on 8) The grow light system of claim 8, further comprising a plurality of sensors connected to the controller and configured to monitor operation of a growing environment. ### Claim 10 (depends on 8) The grow light system of claim 8, wherein the second LED module comprises a third LED configured to emit a first light having a color temperature of 2,000-4,000 K and a fourth LED configured to emit a second light having a color temperature of 5,000-10,000 K. ### Claim 11 (depends on 8) The grow light system of claim 8, further comprising a plurality of third LEDs disposed on the carrier board assembly and configured to emit ultraviolet light. ### Claim 12 (depends on 11) The grow light system of claim 11, wherein the ultraviolet light comprises 362-370 nanometer (nm) light. ### Claim 13 (depends on 8) The grow light system of claim 8, wherein: each of the plurality of second LED modules comprises a heat sink and a fan; the heat sink comprises a U-Shape; and the fan is mounted to the heat sink and configured to draw air along the heat sink. ### Claim 14 A grow light system comprising: a carrier board assembly defining a plurality of first light emitting diode (LED) module apertures a plurality of second LED module apertures, and an LED testing module aperture; a plurality of first LED modules removably engaged with the carrier board assembly in the plurality of first LED module apertures; wherein each of the plurality of first LED modules comprises a first LED and a second LED; wherein the first LEDs of the plurality of first LED modules engaged in the plurality of first LED module apertures are wired in series with each other; wherein the second LEDs of the plurality of first LED modules engaged in the plurality of first LED module apertures are wired in series with each other; a plurality of second LED modules removably engaged with the carrier board assembly in the plurality of second LED module apertures; wherein each of the plurality of second LED modules comprises a third LED and a fourth LED; wherein the third LEDs of the plurality of second LED modules engaged in the plurality of second LED module apertures are wired in series with each other; wherein the fourth LEDs of the plurality of second LED modules engaged in the plurality of second LED module apertures are wired in series with each other; an LED testing module engaged in the LED testing module aperture, wherein a first LED and a second LED of the LED testing module are wired in series with each other; and a plurality of fifth LEDs disposed on the carrier board assembly and wired in series with each other. ### Claim 15 (depends on 14) The grow light system of claim 14, wherein: the first LEDs are wired in series through a first circuit on the carrier board; the second LEDs are wired in series through a second circuit on the carrier board; the third LED are wired in series through a third circuit on the carrier board; the fourth LED are wired in series through a fourth circuit on the carrier board; the fifth LED are wired in series through a fifth circuit on the carrier board; and the grow light system further comprises a controller configured to individually control the first circuit, second circuit, third circuit, fourth, circuit, or fifth circuit. ### Claim 16 (depends on 15) The grow light system of claim 15, wherein: the first LEDs, second LEDs, third LEDs, fourth LEDs, and fifth LEDs are configured to emit light having wavelengths different from each other. ### Claim 17 (depends on 15) The grow light system of claim 15, wherein the controller is further configured to control the first circuit, second circuit, third circuit, fourth, circuit, and fifth circuit based on a growing program. ### Claim 18 (depends on 17) The grow light system of claim 17, wherein: the first LEDs, second LEDs, third LEDs, fourth LEDs, and fifth LEDs are configured to emit light having wavelengths different from each other; and the growing program is configured to emit, via the first LEDs, second LEDs, third LEDs, fourth LEDs, and fifth LEDs, light having different wavelengths at different times. ### Claim 19 (depends on 14) The grow light system of claim 14, further comprising: a controller; wherein the controller comprises a touch screen configured to accept user input; wherein the controller is configured create, based on the user input, a growing program; wherein the growing program is configured to adjust, via the controller, an intensity of light emitted by the first LEDs, second LEDs, third LEDs, fourth LEDs, or fifth LEDs. ### Claim 20 (depends on 14) The grow light system of claim 14, wherein: the first LEDs are configured to emit a first light having a wavelength of 450-740 nanometers (nm); the second LEDs are configured to emit a second light having a wavelength of 450-740 nm and different from the wavelength of the first LEDs; the third LEDs are configured to emit a third light having a color temperature of 2,000-4,000 K; the fourth LEDs are configured to emit a fourth light having a color temperature of 5,000-10,000 K; and the fifth LEDs are configured to emit a fifth light having a wavelength of 315-400 nanometers.