Systems and methods for color changing device and enclosure

• US 6,888,322 B2
• Filed: 07/27/2001
• Issued: 05/03/2005
• Est. Priority Date: 08/26/1997
• 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., Mueller, George G., Dowling, Kevin J.
• Primary Examiner(s): Philogene, Haissa
• Application Number:
  US09/917,246
• Publication Number:
  US 20020047569A1
• Time in Patent Office: 1,376 Days
• Field of Search: 315/169.3, 315/291, 315/362, 315/312, 315/292, 315/300, 315/307, 315/308, 315/297, 362/800, 362/227, 340/815.45, 340/815.49, 340/815.56, 340/815.65, 340/815.66
• US Class Current: 315/292
• CPC Class Codes: G06F 1/1605 Multimedia displays, e.g. with integrated or attached speakers, cameras, microphones
• CPC Class Codes: G06F 1/181 Enclosures for portable computers G06F1/1613
• CPC Class Codes: H04M 1/22 Illumination; Arrangements for improving the visibility of characters on dials
• CPC Class Codes: H05B 45/20 Controlling the colour of the light
• 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: Y10S 362/80 Light emitting diode

Abstract

A color-changing device which includes an enclosure at least a portion of which is material which is desired to change color. There is also included an illumination device, such as an LED or collection of LEDs which can illuminate the material. There can also be included a controller which can take some form of input, such as from a network, or a sensor, and can convert that input into a signal to control the illumination. There is also included a method for performing such color change.

Claims

1. A color-changing device, comprising:

an enclosure formed at least in part by an at least partially transparent material;

an illumination device disposed within the enclosure and configured to illuminate said material, the illumination device capable of generating at least two colors and including at least one LED-based light source, the illumination device adapted to output at least first radiation having a first wavelength and second radiation having a second wavelength; and

a controller configured to control the at least one LED-based light source.

2. The color-changing device of claim 1, wherein said device includes at least one computer component, peripheral or accessory.

3. The color-changing device of claim 1, wherein said device includes one or more of the following:

a disk drive, a mouse, a pointing device, a printer, a scanner, a keyboard, a cable, a modem, a media player, a DVD player, a DVD recorder, a CD player, a CD recorder, a tape player, a tape recorder, a stereo receiver, a self contained stereo system, a television, a television remote control, a television peripheral, a cable TV decoder box, a projection system, a speaker, a landline telephone, a wireless telephone, a radio frequency (RF) transmission device, an RF communication device, a personal digital assistants (PDA), a toy, a watch, an appliance, a refrigerator, a stove, an oven, a dishwasher, a trash compactor, and a hand-held device.

4. The color-changing device of claim 1, wherein said material is at least one of transparent, semi-transparent, translucent, and semi-translucent.

5. The color-changing device of claim 1, wherein said material includes means for reflecting light off of or out of the material.

6. The color-changing device of claim 1, wherein the controller is configured to control the LED-based light source in response to at least one signal provided by at least one user interface device.

7. The color-changing device of claim 1, wherein the controller is configured to control the LED-based light source in response to at least one audio signal or at least one video signal.

8. The color-changing device of claim 1, wherein said controller receives input from a network.

9. The color-changing device of claim 1, wherein said controller receives input from a user of the color-changing-device.

10. The color-changing device of claim 1, wherein the color-changing device includes a computer having the enclosure.

11. The color-changing device of claim 10, wherein the controller is configured to control the LED-based light source in response to information received by the computer.

12. The color-changing device of claim 11, wherein the controller is configured to control the LED-based light source so as to indicate representations of multiple pieces of information received by the computer on different portions of the enclosure.

13. The color-changing device of claim 11, wherein the information includes at least one email message, and wherein the controller is configured to control the LED-based light source based on the at least one email message.

14. The color-changing device of claim 11, wherein the information includes information received from the Internet, and wherein the controller is configured to control the LED-based light source based on the information received from the Internet.

15. The color-changing device of claim 14, wherein the information includes advertising information, and wherein the controller is configured to control the LED-based light source based on the advertising information.

16. The color-changing device of claim 14, wherein the information includes economic information, and wherein the controller is configured to control the LED-based light source based on the economic information.

17. The color-changing device of claim 1, wherein the controller is configured to control the LED-based light source in response to at least one signal provided by a sensing device.

18. The color-changing device of claim 17, in combination with the sensing device.

19. The color-changing device of claim 18, wherein the sensing device includes at least one of a color sensor, a temperature sensor, a pressure sensor, and a motion sensor.

20. The color-changing device of claim 19, wherein the controller is configured to vary a color of the enclosure in response to the at least one signal provided by the sensing device.

21. The color-changing device of claim 1, wherein the illumination device is configured to project patterns or symbols onto the enclosure.

22. The color-changing device of claim 20, wherein:

the color-changing device includes a refrigerator having a front panel;

the sensing device includes a temperature sensor; and

the controller is configured to vary a color of the front panel based on a temperature inside the refrigerator.

23. The color-changing device of claim 1, wherein the LED-based light source includes at least one red LED, at least one green LED, and at least one blue LED.

24. The color-changing device of claim 1, wherein the controller is configured to independently control at least a first intensity of the first radiation and a second intensity of the second radiation.

25. The color-changing device of claim 1, wherein the controller is configured to control the at least one LED-based light source so as to vary a color of at least a portion of the enclosure as perceived by an observer viewing the color-changing device from outside the enclosure.

26. The color-changing device of claim 1, wherein the controller is configured to control the at least one LED-based light source so as to project patterns or symbols onto the enclosure.

27. The color-changing device of claim 1, wherein the controller is configured to control the at least one LED-based light source so as to set a repetition rate of a single color projected onto the enclosure.

28. The color-changing device of claim 24, wherein the controller is further configured to independently control at least the first intensity of the first radiation and the second intensity of the second radiation so as to vary a color of the generated radiation as perceived by an observer viewing the color-changing device from outside the enclosure.

29. The color-changing device of claim 24, wherein the controller is further configured to independently control at least the first intensity of the first radiation and the second intensity of the second radiation so as to vary an overall brightness of the generated radiation as perceived by an observer viewing the color-changing device from outside the enclosure.

30. A method for changing the color of a device, the device having an enclosure, the method comprising acts of:

generating an input signal;

generating a control signal in response to the input signal;

controlling a lighting system via the control signal, the lighting system including at least one LED-based light source, the light source adapted to output at least first radiation having a first wavelength and second radiation having a second wavelength; and

arranging the lighting system to illuminate at least a portion of the device enclosure.

31. The method of claim 30, wherein the act of generating the input signal is accomplished through a user interface.

32. The method of claim 31, wherein the user interface is at least one of a switch, dial, button, key, and key board.

33. The method of claim 31, wherein the user interface is a graphical user interface.

34. The method of claim 30, wherein the act of generating the input signal is accomplished through at least one of a sensor and transducer.

35. The method of claim 30, wherein the act of generating the input signal is accomplished by receiving a signal.

36. The method of claim 35, wherein the signal is at least one of a network signal, database signal, and information signal.

37. An apparatus, comprising:

an enclosure having a surface;

at least one illumination device adapted to output at least first radiation having a first wavelength and second radiation having a second wavelength to provide variable color light, the at least one illumination device disposed proximate to the enclosure and configured to illuminate at least a portion of the surface of the enclosure with the variable color light, such that during operation of the at least one illumination device, at least the portion of the enclosure appears to have a variable color to an observer viewing the enclosure from outside the enclosure; and

a controller configured to control the at least one illumination device.

38. The apparatus of claim 37, wherein the apparatus includes a computer having the enclosure.

39. The apparatus of claim 38, wherein the controller is configured to control the at least one illumination device in response to information received by the computer.

40. The apparatus of claim 39, wherein the at least one illumination device includes at least one LED-based light source.

41. The apparatus of claim 39, wherein the controller is configured to control the at least one illumination device so as to indicate representations of multiple pieces of information received by the computer on different portions of the enclosure.

42. The apparatus of claim 39, wherein the information includes at least one email message, and wherein the controller is configured control the at least one illumination device based on the at least one email message.

43. The apparatus of claim 39, wherein the information includes information received from the Internet, and wherein the controller is configured to control the at least one illumination device based on the information received from the Internet.

44. The apparatus of claim 43, wherein the information includes advertising information, and wherein the controller is configured to control the of least one illumination device based on the advertising information.

45. The apparatus of claim 43, wherein the information includes economic information, and wherein the controller is configured to control the at least one illumination device based on the economic information.

46. The apparatus of claim 37, wherein the controller is configured to control the at least one illumination device in response to at least one signal provided by at least one user interface device.

47. The apparatus of claim 37, wherein the controller is configured to control the at least one illumination device in response to at least one audio signal or at least one video signal.

48. The apparatus of claim 37, wherein the at least one illumination device is further configured to illuminate at least a portion of the surface of the enclosure with a single color at a given time.

49. The apparatus of claim 37, wherein the at least one illumination device is further configured to illuminate at least a portion of the surface of the enclosure by edge-lighting or back-lighting the enclosure.

50. The apparatus of claim 37, wherein at least part of the enclosure is transparent, translucent, semi-transparent, or semi-translucent.

51. The apparatus of claim 37, wherein the at least one illumination device is disposed within the enclosure.

52. The apparatus of claim 37, wherein the at least one illumination device is configured to project patterns or symbols onto the enclosure.

53. The apparatus of claim 37, wherein the at least one illumination device includes at least one of fiber optic strands, incandescent lighting, and fluorescent lighting.

54. The apparatus of claim 37, wherein the at least one illumination device includes at least one LED-based light source.

55. The apparatus of claim 54, wherein the at least one LED-based light source includes at least one red LED, at least one green LED, and at least one blue LED.

56. The apparatus of claim 37, wherein the controller is configured to control the at least one illumination device in response to at least one signal provided by a sensing device.

57. The apparatus of claim 37, wherein the controller is configured to control the at least one illumination device so as to vary a color of at least a portion of the enclosure as perceived by the observer.

58. The apparatus of claim 37, wherein the controller is configured to control the at least one illumination device so as to project patterns or symbols onto the enclosure.

59. The apparatus of claim 37, wherein the controller is configured to control the at least one illumination device so as to set a repetition rate of a single color projected onto the enclosure.

60. The apparatus of claim 56, in combination with the sensing device.

61. The apparatus of claim 37, wherein the controller is configured to independently control at least a first intensity of the first radiation and a second intensity of the second radiation.

62. The apparatus of claim 61, wherein the controller is further configured to independently control at least the first intensity of the first radiation and the second intensity of the second radiation so as to vary a color of the variable color light as perceived by the observer.

63. The apparatus of claim 61, wherein the controller is further configured to independently control at least the first intensity of the first radiation and the second intensity of the second radiation so as to vary an overall brightness of the variable color light as perceived by the observer.

64. The apparatus of claim 60, wherein the controller is configured to vary a color of the enclosure in response to the at least one signal provided by the sensing device.

65. The apparatus of claim 64, wherein:

the apparatus includes a refrigerator having a front panel;

the sensing device includes a temperature sensor; and

the controller is configured to vary a color of the front panel based on a temperature inside the refrigerator.

66. The apparatus of claim 60, wherein the sensing device includes at least one of a color sensor, a temperature sensor, a pressure sensor, and a motion sensor.

67. An appliance, comprising:

a surface;

at least one illumination device disposed within the appliance, the at least one illumination device adapted to output at least first radiation having a first wavelength and second radiation having a second wavelength to provide variable color light and configured to illuminate at least a portion of the surface of the appliance with the variable color light, such that during operation of the at least one illumination device, at least the portion of the appliance appears to have a variable color to an observer viewing the appliance; and

a controller configured to control the at least one illumination device.

68. The appliance of claim 67, wherein the at least one illumination device includes at least one LED-based light source.

69. An electronics device, comprising:

a surface;

at least one illumination device disposed within the electronics device, the at least one illumination device adapted to output at least first radiation having a first wavelength and second radiation having a second wavelength to provide variable color light and configured to illuminate at least a portion of the surface of the electronics device with the variable color light, such that during operation of the at least one illumination device, at least the portion of the electronics device appears to have a variable color to an observer viewing the electronics device; and

a controller configured to control the at least one illumination device.

70. The electronics device of claim 69, wherein the of least one illumination device includes at least one LED-based light source.

71. The electronics device of claim 69, wherein the electronics device is a computer.

72. An illumination method, comprising acts of:

a1) generating at least one of first radiation having a first wavelength and second radiation having a second wavelength to provide variable color light; and

a) illuminating at least a portion of a surface of an enclosure with the variable color light such that at least the portion of the enclosure appears to have a variable color to an observer viewing the enclosure from outside the enclosure.

73. The method of claim 72, wherein the act a1) includes an act of:

controlling the variable color light in response to at least one audio signal or at least one video signal.

74. The method of claim 72, wherein the enclosure encloses a computer, and wherein the act a1) includes an act of:

a4) controlling the variable color light in response to information received by the computer.

75. The method of claim 74, wherein the act a4) includes an act of:

indicating representations of multiple pieces of information received by the computer on different portions of the enclosure.

76. The method of claim 74, wherein the information includes at least one email message, and wherein the act a4) includes an act of:

controlling the variable color light based on the at least one email message.

77. The method of claim 74, wherein the information includes information received from a network, and wherein the act a4) includes an act of:

controlling the variable color light based on the information received from the network.

78. The method of claim 77, wherein the information includes advertising information, and wherein the act a4) includes an act of:

controlling the variable color light based on the advertising information.

79. The method of claim 77, wherein the information includes economic information, and wherein the act a4) includes an act of:

controlling the variable color light based on the economic information.

80. The method of claim 72, wherein the act a1) includes an act of:

a3) controlling the variable color light in response to at least one signal provided by a sensing device.

81. The method of claim 80, wherein the act a3) includes an act of:

varying a color of the enclosure in response to the at least one signal provided by the sensing device.

82. The method of claim 72, wherein the act a1) includes an act of:

a2) independently controlling at least a first intensity of the first radiation and a second intensity of the second radiation.

83. The method of claim 82, wherein the act a2) includes an act of:

independently controlling at least the first intensity of the first radiation and the second intensity of the second radiation so as to vary a color of the variable color light as perceived by the observer.

84. The method of claim 82, wherein the act a2) includes an act of:

independently controlling at least the first intensity of the first radiation and the second intensity of the second radiation so as to vary an overall brightness of the variable color light as perceived by the observer.

85. The method of claim 72, wherein the act a) includes an act of:

illuminating at least a portion of the surface of the enclosure with a single color at a given time.

86. The method of claim 72, wherein the act a) includes an act of:

illuminating at least a portion of the surface of the enclosure by edge-lighting or back-lighting the enclosure.

87. The method of claim 72, wherein at least part of the enclosure is transparent, translucent, semi-transparent, or semi-translucent.

88. The method of claim 72, wherein the act a) includes an act of:

illuminating from within the enclosure at least the portion of the surface of the enclosure with the variable color light.

89. The method of claim 72, wherein the act a) includes an act of:

projecting patterns or symbols onto the enclosure.

90. The method of claim 72, further comprising an act of:

controlling at least one of fiber optic strands, incandescent lighting, and fluorescent lighting to perform the act a1).

91. The method of claim 72, further comprising an act of:

controlling at least one LED-based light source to perform the act a1).

92. The method of claim 91, wherein the at least one LED-based light source includes at least one red LED, at least one green LED, and at least one blue LED.

93. The method of claim 72, wherein the act a1) includes an act of:

controlling a repetition rate of a single color of the variable color light.

94. The method of claim 72, wherein the act a1) includes an act of:

controlling the variable color light in response to at least one signal provided by at least one user interface device.

95. A method for changing a color of a device having an enclosure formed at least in part by a partially transparent material, the method comprising acts of:

providing an illumination device disposed in the enclosure, the illumination device capable of generating at least two colors and including at least one LED-based light source adapted to output illumination including at least first radiation having a first wavelength and second radiation having a second wavelength;

illuminating at least a portion of said enclosure, via the illumination devise; and

controlling the at least one LED-based light source so as to vary said illumination.

96. The method of claim 95, wherein the act of controlling the at least one LED-based light source includes controlling the at least one LED-based light source in response to an input signal received from a network, an external sensor, or a user interface.