Lighting System for Growing Plants

• US 20130294065A1
• Filed: 10/27/2012
• Published: 11/07/2013
• Est. Priority Date: 07/24/2008
• Status: Active Grant

• Current Assignee: Signify Holding B.V. (Signify N.V.)
• Original Assignee: LumiGrow, Inc.
• Inventors: Wells, Kevin T.
• Granted Patent: US 9,310,049 B2
• Time in Patent Office: Days
• US Class Current: 362/231
• CPC Class Codes: A01G 7/045 with electric lighting
• CPC Class Codes: A01G 9/249 Lighting means with special arrangements for promoting growth A01G7/045
• CPC Class Codes: F21K 9/00 Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
• CPC Class Codes: F21K 9/20 Light sources comprising attachment means
• CPC Class Codes: F21K 9/232 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
• CPC Class Codes: F21S 2/00 Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
• CPC Class Codes: F21V 23/003 the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
• CPC Class Codes: F21V 23/0435 activated by remote control means
• CPC Class Codes: F21V 23/0457 the sensor sensing the operating status of the lighting device, e.g. to detect failure of a light source or to provide feedback to the device
• CPC Class Codes: F21V 29/502 characterised by the adaptation for cooling of specific components
• CPC Class Codes: F21V 29/677 the fans being used for discharging
• CPC Class Codes: F21V 29/74 with fins or blades
• CPC Class Codes: F21V 9/00 Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters coloured shades F21V1/00; elements characterised by cooling arrangements F21V29/502
• CPC Class Codes: F21W 2131/40 Lighting for industrial, commercial, recreational or military use
• CPC Class Codes: F21Y 2105/10 comprising a two-dimensional array of point-like light-generating elements
• CPC Class Codes: F21Y 2105/12 characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
• CPC Class Codes: F21Y 2113/13 comprising an assembly of point-like light sources
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H05B 45/20 Controlling the colour of the light
• CPC Class Codes: H05B 45/30 Driver circuits
• CPC Class Codes: H05B 45/3725 : Switched mode power supply [SMPS]
• CPC Class Codes: Y02A 40/25 : Greenhouse technology, e.g. cooling systems therefor
• CPC Class Codes: Y02P 60/14 : Measures for saving energy, e.g. in green houses

Abstract

A lighting system includes an LED controller, and an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the LED controller. The lighting system includes an antenna in communication with the LED controller. First and second wavelength spectrums are provided by the first and second LED sub-arrays, respectively, and are adjustable in response to adjusting an input signal provided to the antenna.

Claims

1. A lighting system, comprising:

an LED controller;

an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the LED controller;

an antenna in communication with the LED controller;

wherein first and second wavelength spectrums provided by the first and second LED sub-arrays, respectively, are adjustable in response to adjusting an input signal provided to the antenna.

2. The system of claim 1, wherein the first LED sub-array includes first, second and third light emitting diodes which emit first, second and third colors of light, respectively.

3. The system of claim 2, wherein the intensities of the first, second and third colors of light are adjustable relative to each other in response to adjusting the input signal.

4. The system of claim 2, wherein the second LED sub-array includes fourth, fifth and sixth light emitting diodes which emit fourth, fifth and sixth colors of light, respectively.

5. The system of claim 2, wherein the intensities of the fourth, fifth and sixth colors of light are adjustable relative to each other in response to adjusting the input signal.

6. The system of claim 1, wherein the input signal is adjusted to drive the first and second wavelength spectrums to match the action spectrum of the physiological activity of a plant.

7. The system of claim 1, wherein the input signal is adjusted to drive the first and second wavelength spectrums to match the action spectrum of the physiological activity of first and second plants, respectively.

8. A lighting system, comprising:

an LED controller;

an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the controller;

a memory in communication with the LED controller;

wherein first and second wavelength spectrums provided by the first and second LED sub-arrays, respectively, are determined by a first recipe stored with the memory.

9. The system of claim 8, further including an antenna in communication with the memory.

10. The system of claim 9, wherein the first recipe is flowed to the memory in response to a wireless signal being received by the antenna.

11. The system of claim 9, wherein the memory stores a second recipe.

12. The system of claim 11, wherein one of the first and second recipes are selected in response to a wireless signal being received by the antenna.

13. The system of claim 8, further including a sensor operatively coupled to the LED controller, wherein the operation of the LED controller is adjustable in response to a sense signal provided by the sensor.

14. The system of claim 13, wherein the sensor is responsive to a condition proximate to the lighting system.

15. A lighting system, comprising:

an LED controller;

an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the controller;

a first sensor in communication with the LED controller;

wherein first and second wavelength spectrums provided by the first and second LED sub-arrays, respectively, are determined in response to a first sense signal provided by the first sensor.

16. The system of claim 15, wherein the intensity of light emitted by the first and second LED sub-arrays is adjustable in response to adjusting the first sense signal.

17. The system of claim 15, further including an antenna, wherein the antenna flows information corresponding to the first sense signal to a remote device.

18. The system of claim 15, further including a second sensor in communication with the LED controller which provides a second sense signal to the LED controller.

19. The system of claim 17, wherein the intensity of light emitted by the first and second LED sub-arrays is adjustable in response to adjusting the second sense signal.

20. The system of claim 15, wherein the intensity of light emitted by the first and second LED sub-arrays is adjustable in response to adjusting the first and second sense signals.