System and methods for operating a lighting device

• US 9,532,423 B2
• Filed: 12/17/2014
• Issued: 12/27/2016
• Est. Priority Date: 07/23/2010
• Status: Active Grant

• Current Assignee: Lighting Science Group Corporation (Pegasus Capital Advisors, L.P.)
• Original Assignee: Lighting Science Group Corporation (Pegasus Capital Advisors, L.P.)
• Inventors: Soler, Robert R., Maxik, Fredric S., Bartine, David E., Oostdyk, Mark Andrew, Regan, Matthew
• Primary Examiner(s): CRAWFORD, JASON
• Application Number:
  US14/573,922
• Publication Number:
  US 20150102749A1
• Time in Patent Office: 741 Days
• Field of Search: 315291-292, 315/294, 315/297, 315307-308
• US Class Current: 1/1
• CPC Class Codes: A61M 2021/0044 by the sight sense
• CPC Class Codes: A61M 2021/0083 especially for waking up
• CPC Class Codes: A61M 21/00 Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
• CPC Class Codes: A61M 21/02 for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia for massage A61H; electrotherapy A61N, e.g. applying alternating or intermittent electric currents for producing anaesthesia A61N1/36021
• CPC Class Codes: A61N 2005/0652 Arrays of diodes
• CPC Class Codes: A61N 2005/0663 Coloured light
• CPC Class Codes: A61N 5/0618 Psychological treatment
• CPC Class Codes: 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
• CPC Class Codes: F21K 9/232 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
• CPC Class Codes: F21K 9/235 Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps F21K9/238 takes precedence
• CPC Class Codes: F21K 9/237 Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases F21K9/238 takes precedence
• CPC Class Codes: F21K 9/238 Arrangement or mounting of circuit elements integrated in the light source
• CPC Class Codes: F21V 19/0055 by screwing
• CPC Class Codes: F21V 23/045 the sensor receiving a signal from a remote controller
• CPC Class Codes: F21V 29/74 with fins or blades
• CPC Class Codes: F21V 3/02 characterised by the shape
• 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 47/105 in response to determined parameters
• CPC Class Codes: H05B 47/16 : by timing means
• CPC Class Codes: H05B 47/19 : via wireless transmission

Abstract

A lighting device may include a light source, a control circuit, and a communication device positioned in communication with the control circuit. The communication device may be configured to receive a transmission from a user device, and the transmission may include a data structure. The data structure may include a show packet and an event packet. The show packet may include an ID string and information regarding a number of event packets associated with the data structure, and the event packet may include information regarding a lighting spectrum, a fade type, a fade duration, and a hold duration. The control circuit may be configured to operate the light source to emit light transitioning from a present light emission having a present spectral power distribution to a light emission having spectral power distribution indicated by the lighting spectrum according to the fade type and fade duration.

Claims

1. A lighting device comprising:

a light source comprising a plurality of light-emitting diodes (LEDs);

a control circuit configured to control the operation of the light source; and

a communication device positioned in communication with the control circuit;

wherein the communication device is configured to receive a transmission from a user device;

wherein the transmission comprises a data structure;

wherein the data structure comprises a show packet and an event packet;

wherein the show packet comprises an ID string and information regarding a number of event packets associated with the data structure;

wherein the event packet comprises information regarding a lighting spectrum, a fade type, a fade duration, and a hold duration; and

wherein the control circuit is configured to operate the light source to emit light transitioning from a present light emission having a present spectral power distribution to a light emission having spectral power distribution indicated by the lighting spectrum according to the fade type and fade duration, and to operate the light source to emit light having the spectral power distribution indicated by the lighting spectrum for a length of time indicated by the hold duration.

2. The lighting device of claim 1 wherein the control circuit comprises a plurality of transition points;

and wherein the control circuit is configured to operate the light source so as to transition the spectral power distribution of light emitted by the light source between at least one of the plurality of transition points and the spectral power distribution indicated by the lighting spectrum.

3. The lighting device of claim 2 wherein at least one of the plurality of transition points corresponds to a color of light emitted by an LED of the plurality of LEDs.

4. The lighting device of claim 2 wherein at least one of the plurality of transition points corresponds to a black body radiation curve color point.

5. The lighting device of claim 2 wherein the control circuit is configured to exclude at least one transition point of the plurality of transition points when transitioning from the present spectral power distribution to the spectral power distribution associated with the lighting spectrum.

6. The lighting device of claim 1 wherein the data structure further comprises a repeat packet;

wherein the event packet further comprises an indication as to whether the event packet is part of a repeat group; and

wherein the repeat packet comprises information regarding repeating one or more event packets associated with the data structure.

7. The lighting device of claim 6 wherein the show packet further comprises information regarding the number of repeat packets associated with the data structure.

8. The lighting device of claim 1 wherein the show packet further comprises information regarding a duration of the data structure.

9. The lighting device of claim 8 wherein the show packet further comprises information regarding an ending spectral power distribution to be emitted upon the reaching the duration of the data structure.

10. The lighting device of claim 1 wherein the show packet further comprises information regarding a start time of the data structure.

11. The lighting device of claim 1 wherein the fade type is selected from the group consisting of linear fade, exponential fade, logarithmic fade, sinusoidal fade, fade through black, black body fade, and color wheel fade.

12. A method of operating a lighting device comprising a control circuit and a light source, the method comprising the steps of:

emitting light having an initial spectral power distribution;

receiving a data structure comprising a show packet and an event packet;

identifying the number of event packets associated with the data structure;

identifying a lighting spectrum, a fade type, a fade duration, and a hold duration associated with the data structure; and

operating the light source so as to emit light transitioning from the initial spectral power distribution to a light emission having a spectral power distribution indicated by the lighting spectrum, according to the fade type and fade duration, for a length of time indicated by the hold duration.

13. The method of claim 12 further comprising the step of determining a plurality of transition points responsive to each of the initial spectral power distribution, fade type, and spectral power distribution indicated by the lighting spectrum;

wherein the step of operating the light source comprises operating the light source so as to transition the spectral power distribution to at least one of the plurality of transition points.

14. The method of claim 13 wherein the light source comprises a plurality of light-emitting diodes (LEDs);

and wherein at least one the plurality of transition points corresponds to a color of light emitted by an LED of the plurality of LEDs.

15. The method of claim 13 wherein at least one of the plurality of transition points correspond to a block body radiation curve color point.

16. The method of claim 13 wherein at least one transition point of the plurality of transition points is excluded.

17. The method of claim 12 wherein the data structure further comprises a repeat packet, the method further comprising the steps of:

identifying the number of repeat packets associated with the data structure;

identifying one or more event packets associated with the repeat packet; and

operating the light source responsive to the repeat packet.

18. The method of claim 12 further comprising operating the light source according to a fade type selected from the group consisting of a linear fade, an exponential fade, a logarithmic fade, a sinusoidal fade, a fade through black, a black body fade, and a color wheel fade.

19. A method of operating a lighting device comprising a control circuit and a light source, the method comprising the steps of:

emitting light having an initial spectral power distribution;

receiving a data structure comprising a show packet and an event packet;

identifying the number of event packets associated with the data structure;

identifying a lighting spectrum, a fade type, a fade duration, and a hold duration associated with the data structure;

determining a plurality of transition points responsive to each of the initial spectral power distribution, fade type, and spectral power distribution indicated by the lighting spectrum; and

operating the light source so as to transition the spectral power distribution between operating the light source so as to emit light transitioning from the initial spectral power distribution to a light emission having a spectral power distribution indicated by the lighting spectrum, according to the fade type and fade duration, for a length of time indicated by the hold duration.

20. The method of claim 19 wherein the data structure further comprises a repeat packet, the method further comprising the steps of:

identifying the number of repeat packets associated with the data structure;

identifying one or more event packets associated with a repeat packet; and

operating the light source responsive to the repeat packet.