Controlled lighting methods and apparatus

• US 7,202,613 B2
• Filed: 02/06/2003
• Issued: 04/10/2007
• Est. Priority Date: 05/30/2001
• Status: Expired due to Term

• Current Assignee: Signify North America Corporation (Signify N.V.)
• Original Assignee: Color Kinetics Incorporated (Signify N.V.)
• Inventors: Lys, Ihor A., Dowling, Kevin J., Morgan, Frederick M., Chemel, Brian, Blackwell, Michael K., Warwick, John, Roberge, Brian, Hyer, Jeff
• Primary Examiner(s): VU, DAVID HUNG
• Application Number:
  US10/360,594
• Publication Number:
  US 20040160199A1
• Time in Patent Office: 1,524 Days
• Field of Search: 315/185.R, 315/185.S, 315/186, 315/312, 315/313, 315/314, 362/31, 362/29, 362/26, 362/362, 362/363, 362/375, 715/771
• US Class Current: 315/312
• CPC Class Codes: A01M 1/04 Attracting insects by using illumination or colours A01M1/08 and A01M1/145 take precedence
• CPC Class Codes: F21S 2/005 of modular construction
• CPC Class Codes: F21S 4/20 with light sources held by or within elongate supports
• CPC Class Codes: F21W 2121/004 mounted on the exterior of houses or other buildings to illuminate parts thereof
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: G09G 3/14 Semiconductor devices, e.g. diodes
• CPC Class Codes: G09G 3/2014 by modulation of the duration of a single pulse during which the logic level remains constant
• CPC Class Codes: G09G 3/32 semiconductive, e.g. using light-emitting diodes [LED]
• CPC Class Codes: H05B 45/20 Controlling the colour of the light
• CPC Class Codes: H05B 45/355 Power factor correction [PFC]; Reactive power compensation
• CPC Class Codes: H05B 45/3725 Switched mode power supply [SMPS]
• CPC Class Codes: H05B 45/385 using flyback topology
• CPC Class Codes: H05B 47/10 Controlling the light source
• CPC Class Codes: H05B 47/155 Coordinated control of two or more light sources
• CPC Class Codes: H05B 47/18 via data-bus transmission

Abstract

Described herein are lighting units of a variety of types and configurations, including linear lighting units suitable for lighting large spaces, such as building exteriors and interiors. Also provided herein are methods and systems for powering lighting units, controlling lighting units, authoring displays for lighting units, and addressing control data for lighting units.

Claims

1. A method of providing a lighting system including at least first and second units, comprising:

providing a substantially linear circuit board in each unit;

disposing a plurality of light sources along the circuit board;

disposing the circuit board and the light sources in a substantially linear housing of each unit;

providing a light transmissive cover for the housing;

providing a connection facility of the housing; and

arranging the system such that the first unit of the lighting system is disposed end to end with the second unit of the lighting system without a gap in light emission between the housings;

wherein the processor is an application specific integrated circuit (ASIC);

wherein the ASIC is configured to receive and transmit a data stream; and

wherein the ASIC responds to data addressed to it, modifies at least one bit of the data stream, and transmits the modified data stream.

2. A method of claim 1, wherein the light sources are LEDs.

3. A method of claim 1, wherein the processor and the LEDs are on the same circuit board.

4. A method of claim 1, wherein the connection facility is a hole that allows cables to exit the housing at a location other than the end of the housing.

6. A method of claim 1, wherein the housing is configured to resemble at least one of a fluorescent light and a neon light.

7. A method of claim 1 wherein the housing is curved.

8. A method of claim 1, wherein the housing is configured in a bent configuration.

9. A method of claim 1, wherein the housing is configured in a branched configuration.

10. A method of claim 1, wherein the housing is configured in a T configuration.

11. A method of claim 1, further comprising providing a communication facility of the lighting system, wherein the lighting system responds to data from a source exterior to the lighting system.

12. A method of claim 11, wherein the data is from a signal source exterior to the lighting system.

13. A method of claim 12, wherein the signal source is a wireless signal source.

14. A method of claim 12, wherein the signal source includes a sensor for sensing an environmental condition, and the control of the lighting system is in response to the environmental condition.

15. A method of claim 12, wherein the signal source generates a signal based on a scripted lighting program for the lighting system.

16. A method of claim 1, wherein the control of the lighting system is based on assignment of lighting system units as objects in an object-oriented computer program.

17. A method of claim 16, wherein the computer is an authoring system.

18. A method of claim 17, wherein the authoring system relates attributes in a virtual system to real world attributes of lighting systems.

19. A method of claim 18, wherein the real world attributes include positions of lighting units of the lighting system.

20. A method of claim 17, wherein the computer program is a computer game.

21. A method of claim 17, wherein the computer program is a music program.

22. A method of claim 1, wherein the lighting system includes a power supply.

23. A method of claim 22, wherein the power supply is a power-factor-controlled power supply.

24. A method of claim 22, wherein the power supply is a two-stage power supply.

25. A method of claim 24, wherein power factor correction includes an energy storage capacitor and a DC—

DC converter.

26. A method of claim 25, wherein power factor correction includes energy storage capacitor are separated from the DC—

DC converter by a high voltage bus.

27. A method of claim 1, further comprising disposing at least one such lighting unit on a building.

28. A method of claim 27, wherein the lighting units are disposed in an array on a building.

29. A method of claim 28, wherein the array is configured to facilitate displaying at least one of a number, a word, a letter, a logo, a brand, and a symbol.

30. A method of claim 28, wherein the array is configured to display a light show with time-based effects.

31. A method of claim 1, further comprising disposing a lighting unit on at least one of a vehicle, an automobile, a boat, a mast, a sail, an airplane, a wing, a fountain, and a waterfall.

32. A method of claim 1, further comprising disposing a lighting unit on at least one of a deck, a stairway, a door, a window, a roofline, a gazebo, a jungle gym, a swing set, a slide, a tree house, a club house, a garage, a shed, a pool, a spa, furniture, an umbrella, a counter, a cabinet, a pond, a walkway, a tree, a fence, a light pole, and a statue.

33. A method of claim 1, wherein the lighting unit is configured to be recessed in an alcove.

67. A method of claim 1, wherein the cover is optically operative to diffuse light from the plurality of light sources to produce a smooth color mixing of the light.

68. A method of claim 1, wherein the cover is optically operative to produce a substantially uniform light intensity of light from the plurality of light sources.

71. The method of claim 1, wherein the light-transmissive cover includes light-transmissive end caps.

5. A method of providing a lighting system including at least first and second units, comprising:

providing a substantially linear circuit board in each unit;

disposing a plurality of light sources along the circuit board;

disposing the circuit board and the light sources in a substantially linear housing of each unit;

providing a light-transmissive cover for the housing;

providing a connection facility of the housing;

arranging the system such that the first unit of the lighting system is disposed end to end with the second unit of the lighting system without a gap in light emission between the housings; and

disposing a plurality of lighting systems in a serial configuration and controlling all of them by a stream of data to respective ASICs of each of them, wherein each lighting system responds to the first unmodified bit of data in the stream, modifies that bit of data, and transmits the stream to the next ASIC.

34. A lighting system including at least first and second units, comprising:

a substantially linear circuit board in each unit;

a plurality of light sources along the circuit board, wherein the circuit board and the light sources are disposed in a substantially linear housing of each unit;

a light-transmissive cover for the housing;

a connection facility of the housing, wherein the lighting system is arranged such that the first unit of the lighting system is disposed end to end with the second unit of the lighting system without a gap in light emission between the housings; and

a processor, wherein the processor is an application specific integrated circuit (ASIC); and

wherein the ASIC responds to a data stream addressed to it, modifies at least one bit of the data stream, and transmits the modified data stream.

35. A system of claim 34, wherein the light sources are LEDs.

36. A system of claim 34, wherein the processor and the LEDs are on the same circuit board.

37. A system of claim 34, wherein the connection facility is a hole that allows cables to exit the housing at a location other than the end of the housing.

39. A system of claim 34, wherein the housing is configured to resemble a fluorescent light.

40. A system of claim 34, wherein the housing is curved.

41. A system of claim 34, wherein the housing is configured in a bent configuration.

42. A system of claim 34, wherein the housing is configured in a branched configuration.

43. A system of claim 34, wherein the housing is configured in a T configuration.

44. A system of claim 34, further comprising a communication facility of the lighting system, wherein the lighting system responds to data from a source exterior to the lighting system.

45. A system of claim 44, wherein the data is from a signal source exterior to the lighting system.

46. A system of claim 45, wherein the signal source is a wireless signal source.

47. A system of claim 45, wherein the signal source includes a sensor for sensing an environmental condition, and the control of the lighting system is in response to the environmental condition.

48. A system of claim 45, wherein the signal source generates a signal based on a scripted lighting program for the lighting system.

49. A system of claim 34, wherein the control of the lighting system is based on assignment of lighting system units as objects in an object-oriented computer program.

50. A system of claim 49, wherein the computer program is an authoring system.

51. A system of claim 50, wherein the authoring system relates attributes in a virtual system to real world attributes of lighting systems.

52. A system of claim 51, wherein the real world attributes include positions of lighting units of the lighting system.

53. A system of claim 49, wherein the computer program is a computer game.

54. A system of claim 49, wherein the computer program is a music program.

55. A system of claim 34, wherein the lighting system includes a power supply.

56. A system of claim 55, wherein the power supply is a power-factor-controlled power supply.

57. A system of claim 55, wherein the power supply is a two-stage power supply.

58. A system of claim 55, wherein power factor correction includes an energy storage capacitor and a DC—

DC converter.

59. A system of claim 55, wherein the power factor correction and energy storage capacitor are separated from the DC—

DC converter by a bus.

60. A system of claim 34, further comprising at least one such lighting unit on a building.

61. A system of claim 60, wherein the lighting units are disposed in an array on a building.

62. A system of claim 60, wherein the array is configured to facilitate displaying at least one of a number, a word, a letter, a logo, a brand, and a symbol.

63. A system of claim 61, wherein the array is configured to display a light show with time-based effects.

64. A system of claim 34, further comprising a lighting unit on at least one of a vehicle, an automobile, a boat, a mast, a sail, an airplane, a wing, a fountain, and a waterfall.

65. A system of claim 34, further comprising a lighting unit on at least one of a deck, a stairway, a door, a window, a roofline, a gazebo, a jungle gym, a swing set, a slide, a tree house, a club house, a garage, a shed, a pool, a spa, furniture, an umbrella, a counter, a cabinet, a pond, a walkway, a tree, a fence, a light pole, and a statue.

66. A system of claim 34, wherein the lighting unit is configured to be recessed in an alcove.

69. a system of claim 34, wherein the cover is optically operative to diffuse light from the plurality of light sources to produce a smooth color mixing of the light.

70. A system of claim 34, wherein the cover is optically operative to produce a substantially uniform light intensity of light from the plurality of light sources.

72. The system of claim 34, wherein the light-transmissive cover includes light-transmissive end caps.

38. A lighting system including at least first and second units, comprising:

a substantially linear circuit board in each unit;

a plurality of light sources along the circuit board, wherein the circuit board and the light sources are disposed in a substantially linear housing of each unit;

a light-transmissive cover for the housing;

a connection facility of the housing, wherein the lighting system is arranged such that the first unit of the lighting system is disposed end to end with the second unit of the lighting system without a gap in light emission between the housings; and

a plurality of lighting systems in a serial configuration that are controlled by a stream of data to respective ASICs of each of them, wherein each lighting system responds to the first unmodified bit of data in the stream, modifies that bit of data, and transmits the stream to the next ASIC.