LED assembly with a communication protocol for LED light engines

• US 20060226956A1
• Filed: 04/07/2005
• Published: 10/12/2006
• Est. Priority Date: 04/07/2005
• Status: Abandoned Application

• Current Assignee: Dialight Corporation (Dialight PLC)
• Original Assignee: Dialight Corporation (Dialight PLC)
• Inventors: Weimer, David, Young, Garrett
• Application Number:
  US11/100,394
• Publication Number:
  US 20060226956A1
• Time in Patent Office: Days
• US Class Current: 340/286.10
• CPC Class Codes: G09F 9/33 being semiconductor devices, e.g. diodes
• CPC Class Codes: H05B 45/22 using optical feedback
• CPC Class Codes: H05B 45/24 using electrical feedback from LEDs or from LED modules
• CPC Class Codes: H05B 45/28 using temperature feedback
• CPC Class Codes: H05B 47/155 Coordinated control of two or more light sources

Abstract

A system including LED assemblies, which system can efficiently and consistently provide a desired color output. The system includes a network and a plurality of light emitting diode (LED) assemblies connected to the network. Each LED assembly includes a unique address. Further, a control unit is connected to the network and is configured to send light control signals to the LED assemblies individually. The light control signals include color information in a universal color coordinate system. The universal color coordinate system can be the CIE color coordinate system and the network can utilize an Ethernet communication protocol.

Claims

1. A system comprising:

(a) a network;

(b) a plurality of light emitting diode (LED) assemblies connected to the network, and each including a unique address; and

(c) a control unit connected to the network and configured to send light control signals to the LED assemblies individually, the light control signals including color information in a universal color coordinate system.

2. The system according to claim 1, wherein the universal color coordinate system is CIE color coordinate system.

3. The system according to claim 1, wherein the network utilizes an Ethernet based communication protocol.

4. The system according to claim 2, wherein the network utilizes an Ethernet based communication protocol.

5. The system according to claim 3, wherein the light control signals are provided in Ethernet frames including in a data field a destination address indicating one of the LED assemblies and the CIE color coordinate information.

6. The system according to claim 5, wherein the Ethernet frame further includes in the data field at least one configuration information, pan information, and tilt information for the indicated one of the LED assemblies.

7. The system according to claim 4, wherein the light control signals are provided in Ethernet frames including in a data field a destination address indicating one of the LED assemblies and the CIE color coordinate information.

8. The system according to claim 7, wherein the Ethernet frame further includes in the data field at least one configuration information, pan information, and tilt information for the indicated one of the LED assemblies.

9. A system comprising:

(a) a network;

(b) a plurality of light emitting diode (LED) assemblies connected to the network, and each including a unique address; and

(c) means connected to the network for sending light control signals to the LED assemblies individually, the light control signals including color information in a universal color coordinate system.

10. The system according to claim 9, wherein the universal color coordinate system is CIE color coordinate system.

11. The system according to claim 9, wherein the network utilizes an Ethernet based communication protocol.

12. The system according to claim 10, wherein the network utilizes an Ethernet based communication protocol.

13. The system according to claim 11, wherein the light control signals are provided in Ethernet frames including in a data field a destination address indicating one of the LED assemblies and the CIE color coordinate information.

14. The system according to claim 13, wherein the Ethernet frame further includes in the data field at least one configuration information, pan information, and tilt information for the indicated one of the LED assemblies.

15. The system according to claim 12, wherein the light control signals are provided in Ethernet frames including in a data field a destination address indicating one of the LED assemblies and the CIE color coordinate information.

16. The system according to claim 15, wherein the Ethernet frame further includes in the data field at least one configuration information, pan information, and tilt information for the indicated one of the LED assemblies.