LED LIGHTING SYSTEM

• US 20190268989A1
• Filed: 05/08/2019
• Published: 08/29/2019
• Est. Priority Date: 02/25/2004
• Status: Active Grant

• Current Assignee: Lynk Labs, Inc.
• Original Assignee: Lynk Labs, Inc.
• Inventors: Miskin, Michael, Kottritsch, Robert L.
• Granted Patent: US 10,492,260 B2
• Time in Patent Office: Days
• CPC Class Codes: H05B 45/00 Circuit arrangements for operating light-emitting diodes [LED]
• CPC Class Codes: H05B 45/10 Controlling the intensity of the light
• CPC Class Codes: H05B 45/14 using electrical feedback from LEDs or from LED modules
• CPC Class Codes: H05B 45/30 Driver circuits
• CPC Class Codes: H05B 45/37 Converter circuits
• CPC Class Codes: H05B 45/40 Details of LED load circuits
• CPC Class Codes: H05B 45/42 Antiparallel configurations
• CPC Class Codes: H05B 45/50 responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
• CPC Class Codes: Y02B 20/30 Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Abstract

An LED lighting system having at least one LED circuit and at least two circuits or drivers capable of receiving an AC voltage at a first frequency and having an output capable of driving the at least one LED circuit, wherein the output of each circuit or driver capable of driving the at least one LED circuit is provided to the at least one LED circuit through a circuit or sensor capable of permitting only a single output from the at least two circuits or drivers be provided to the at least one LED circuit.

Claims

1. A LED lighting system comprising:

a power supply that includes a plurality of drivers and that is configured to receive one of at least two different AC voltage inputs;

wherein a driver of the plurality of drivers is configured to be connected to at least one LED circuit;

wherein the at least one LED circuit includes a plurality of LEDs connected in series or parallel;

wherein the power supply has an input for receiving an AC voltage and frequency from an AC power source to provide power to the at least one of the plurality of drivers;

wherein the driver is configured to output both power and data on a transmission line; and

a controller for controlling when an output of the driver provides power to the at least one LED circuit and when the output provides data to the at least one LED circuit.

2. The LED lighting system of claim 1, wherein the driver includes a modem.

3. The LED lighting system of claim 1, wherein the driver includes a voltage regulator.

4. The LED lighting system of claim 1, wherein the output of the driver is DC voltage and DC current.

5. The LED lighting system of claim 1 further comprising:

a sensor.

6. The LED lighting system of claim 1, wherein the controller comprises:

a switch.

7. The LED lighting system of claim 1, wherein the output of the driver is low voltage.

8. The LED lighting system of claim 1, wherein the at least one LED circuit includes a semiconductor device for varying a current of the output of the driver.

9. The LED lighting system of claim 1, wherein the at least one LED circuit is incorporated in a lighting device.

10. The LED lighting system of claim 1, wherein the at least one LED circuit is incorporated in a lighting device that includes a 3-way switch.

11. The LED lighting system of claim 1, wherein the at least one LED circuit is incorporated in a lighting device that includes another driver.

12. The lighting system of claim 1, wherein the plurality of drivers comprises a first driver, a second driver, and a third driver connected either between the first driver and the at least one LED circuit or between the second driver and the at least one LED circuit, wherein the third driver at least one of varies or limits the output of the first driver or the second driver and provides an third driver output to the one or more LED circuits.

13. A method of providing light, the method comprising:

receiving, at a first driver, one of multiple AC input voltages from an AC power source;

connecting the first driver to at least one LED circuit;

outputting, from the first driver, power and data on a transmission conductor to the at least one LED circuit; and

controlling when the first driver is connected to the at least one LED circuit and when a second driver is connected to the at least one LED circuit.

14. The method of claim 13, wherein an output from the first driver has a relatively constant voltage.

15. The method of claim 13 further comprising:

sensing the proximity of a person or object.

16. The method of claim 13 further comprising:

receiving wireless information in the at least one LED circuit using an antenna.

17. The method of claim 13 further comprising:

varying, at the at least one LED circuit, a current of the power received from the first driver.

18. A lighting system comprising:

a power supply comprising a first device group that includes a first data communication circuit and a first LED circuit driver and a second device group that includes a second data communication circuit and a second LED circuit driver,

wherein each of the first device group and the second device group has at least one transmission line with an output for providing power and data to at least one LED circuit;

wherein the at least one LED circuit has at least two LEDs connected in series or parallel;

wherein the at least one LED circuit is electrically connected to the output of the at least one transmission line;

wherein the power supply is configured to receive one of at least two different AC voltage inputs; and

wherein the first and second LED circuit drivers are configured to provide at least one of an AC voltage output level or a DC voltage output level of 6V or greater.

19. The lighting system of claim 18, wherein the at least one LED circuit is incorporated in a lighting device that includes a driver.

20. An LED driver comprising:

an input configured to receive power from an AC mains and to operate on multiple AC mains input voltages;

an output configured to provide DC voltage to at least one LED circuit coupled to the LED driver; and

a three-way switch on the LED driver that can be manually adjusted by an end user, wherein settings on the three-way switch adjust a brightness of the at least one LED circuit.