# US 2014/0152194 A1 · Light emitting diode grow light for plant growing applications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0152194 A1 - Document ID: US20140152194A1 - Status: Published application - Kind: A1 - Application number: 14/092,922 - Filed: 2013-11-27 - Published: 2014-06-05 - Earliest claimed: 2012-11-27 - Inventors: James H. Beyer - Web page: https://patentgrep.com/patent/US20140152194A1 ## CPC - A01G 7/045: {with electric lighting} - H05B 45/20: Controlling the colour of the light - H05B 47/10: Controlling the light source - 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 - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract Disclosed herein is an apparatus and method for providing light to grow a plant. An LED array comprises blue light in a band between about 350 nm and 550 nm, red light in a band at about 630 nm and dark red light in a band at about 660 nm. An input device is provided for interrupting the dark red band at 660 nm in order to continue to provide light the plant while the plant continues to flower. ## Claims ### Claim 1 Apparatus for providing light to grow a plant, comprising: an LED array for emitting blue light between about 350 nm and 500 nm, red light at about 630 nm and red light at about 660 nm; an input device for producing a 660_nm_ON command and a 660_nm_OFF command; a controller in communication with said LED array and said input device, said controller responding to: (1) a 660_nm_ON command by causing said array to emit blue light between about 350 nm and 500 nm, red light at about 630 nm and red light at about 660 nm, and (2) a 660_nm_OFF command by causing said array to emit blue light between about 350 nm and 500 nm and red light at about 630 nm. ### Claim 2 (depends on 1) The apparatus for providing light to grow a plant as set forth in claim 1, wherein said LED array includes infrared light at 740 nm. ### Claim 3 (depends on 1) The apparatus for providing light to grow a plant as set forth in claim 1, wherein said input device further includes a command to said controller to cause an increase or decrease to the intensity of said blue light. ### Claim 4 (depends on 1) The apparatus for providing light to grow a plant as set forth in claim 1, wherein said input device further includes a command to said controller to cause an increase or decrease to the intensity of said 630 nm red light. ### Claim 5 (depends on 1) The apparatus for providing light to grow a plant as set forth in claim 1, wherein said input device further includes a command to said controller to cause an increase or decrease to the intensity of said 660 nm red light ### Claim 6 (depends on 2) The apparatus for providing light to grow a plant as set forth in claim 2, wherein said input device further includes a command to said controller to cause an increase or decrease to the intensity of said 740 nm infrared light. ### Claim 7 (depends on 1) The apparatus for providing light to grow a plant as set forth in claim 1, wherein said input device further includes a command to said controller to cause an increase or decrease to the intensity of said blue light, an increase or decrease to the intensity of said 630 nm red light, an increase or decrease to the intensity of said 660 nm red light, and an increase or decrease to the intensity of said of said 740 nm infrared light. ### Claim 8 (depends on 1) The apparatus for providing light to grow a plant et forth in claim 1, wherein said input device further includes a command to said controller to cause the intensity of said blue light with respect to the intensity of said 630 nm red light and the intensity of said 660 nm red light to be a ratio. ### Claim 9 A grow light, comprising an LED array for emitting blue light at a band between about 350 nm and 500 nm, red light at a band at about 630 nm and red light at a band at about 660 nm; at least one input device for selectively controlling the intensity of at least one light band; and a controller in communication with said LED array and said input device, said controller responding to a signal from said input device to command said array to change from a first state where said array emits light comprising a 660 nm band to a second state where said array emits light that does not comprise a 660 nm band. ### Claim 10 (depends on 9) The grow light as set forth in claim 9, wherein said LED array includes infrared light at a band at about 740 nm. ### Claim 11 (depends on 9) The grow light as set forth in claim 9, wherein said input device further includes a signal to command an increase or decrease to the intensity of said blue light band. ### Claim 12 (depends on 9) The grow light as set forth in claim 9, wherein said input device further includes a signal to command an increase or decrease to the intensity of said 630 nm red light band. ### Claim 13 (depends on 9) The grow light as set forth in claim 9, wherein said input device further includes a signal to command an increase or decrease to the intensity of said 660 nm red light band. ### Claim 14 (depends on 10) The grow light as set forth in claim 10, wherein said input device further includes a signal to command an increase or decrease to the intensity of said 740 nm infrared light band. ### Claim 15 (depends on 9) The grow light as set forth in claim 9, wherein said input device further includes a signal to command an increase or decrease to the intensity of said blue light band, an increase or decrease to the intensity of said 630 nm red light band, an increase or decrease to the intensity of said 660 nm red light band, and an increase or decrease to the intensity of said of said 740 nm infrared light band. ### Claim 16 (depends on 9) The grow light as set forth in claim 9, wherein said input device further includes a signal to command the intensity of said blue light band with respect to the intensity of said 630 nm red light band and the intensity of said 660 nm red light band to be a ratio. ### Claim 17 A method of providing light to a plant, comprising: providing an LED array adapted to emit blue light at a band between about 350 nm and 500 nm, red light at band at about 630 nm and red light at a band at about 660 nm; conducting electrical power to the LED array to emit blue light at a band between about 350 nm and 500 nm, red light at band at about 630 nm and red light at a band at about 660 nm; and interrupting electrical power to the LEDs adapted to emit a 660 nm band within the LED array. ### Claim 18 (depends on 17) The method of providing light to a plant as set forth in claim 17, wherein the LED array is further adapted to emit infrared light at 740 nm band. ### Claim 19 (depends on 18) The method of providing light to a plant as set forth in claim 18, further including the step of modulating the electrical power to the array to increase or decrease the intensity of the blue light band, increase or decrease to the intensity of the 630 nm red light band, increase or decrease to the intensity of the 660 nm red light band, and an increase or decrease the intensity of the 740 nm infrared light band. ### Claim 20 (depends on 17) The method of providing light to a plant as set forth in claim 17, wherein electrical power to the LEDs adapted to emit a 660 nm band within the LED array is interrupted more than 12 hours out of a 24 hour period.