Dynamic lighting system

• US 20110222301A1
• Filed: 03/09/2010
• Published: 09/15/2011
• Est. Priority Date: 03/09/2010
• Status: Abandoned Application

• Current Assignee: Digital Imaging Systems GmbH, Luger Research E.U.
• Original Assignee: Digital Imaging Systems GmbH
• Inventors: Knoedgen, Horst, Luger, Siegfried
• Application Number:
  US12/660,989
• Publication Number:
  US 20110222301A1
• Time in Patent Office: Days
• US Class Current: 362/467
• CPC Class Codes: B60Q 1/076 by electrical means including means to transmit the movements, e.g. shafts or joints
• CPC Class Codes: B60Q 1/115 by electric means details of the electric drive components, e.g. motors, shafts, ball joints B60Q1/076
• CPC Class Codes: B60Q 1/122 with electrical actuating means details of the electric drive components, e.g. motors, shafts, ball joints B60Q1/076

Abstract

Methods and systems for dynamic lighting systems are disclosed. The dynamic lighting system invented has minimal mechanical wear and is reacting quickly to fast changes by using magnetic power transmission moving optical elements between light sources, preferably types of LEDs or OLEDS, and objects to be illuminated. Movements of the optical elements can be either linear in up to three dimensions, tilted or on spherical tracks. Positions of the optical elements can be progressively taken and appointed.

Claims

1. A dynamic lighting system comprising the following steps:

at least one light source;

at least one movable optical element guiding light from said at least one light source;

a power transmission changing a position of said at least one movable optical element by a magnetic field; and

means of bearing being connected to a static element of the lighting system guiding said at least one movable optical element.

2. The system of claim 1 wherein said light source is at least one LED.

3. The system of claim 2 wherein applicable types of LEDs include single LED die, multiple LED dice, which may be connected in series or in parallel or combinations, white or colored LEDs or LED dice, and blue LED as a primary emitter and a remote phosphor conversion, wherein the phosphor conversion can be performed at the at least one optical elements.

4. The system of claim 1 wherein said light source is an OLED.

5. The system of claim 1 wherein different types of light sources are used.

6. The system of claim 1 wherein tilt information comprises values of pitch and yaw deviations.

7. The system of claim 1 wherein at least one optical element can be positioned in x-direction, wherein the power transmission takes place using at least one moving part over a controlled magnetic field.

8. The system of claim 1 wherein more than one optical element can be positioned each in different directions.

9. The system of claim 1 wherein said least one optical element can be positioned in x-, -y and -z direction.

10. The system of claim 1 wherein said least one optical element can be positioned by tilting.

11. The system of claim 1 wherein said at least one movable optical element is moved on spherical tracks.

12. The system of claim 1 wherein said at least one movable optical element is revolved around its own axis.

13. The system of claim 12 wherein said at least one optical element is hung with springs.

14. The system of claim 1 wherein actual positions of said one or more optical elements are measured by measuring differences of inductance of coils used to generate said controlled magnetic field and wherein the results of this position measurement is used to control movements of the optical elements.

15. The system of claim 1 wherein actual positions of said one or more optical elements are measured by using capacitive sensors and wherein the results of this position measurement is used to control movements of the optical elements.

16. The system of claim 1 wherein actual positions of said one or more optical elements are measured by using Hall sensors and wherein the results of this position measurement is used to control movements of the optical elements.

17. The system of claim 1 wherein various positions of the at least one optical element produces various light illumination angles.

18. The system of claim 1 wherein various positions of the at least one optical element produces light distribution curves.

19. The system of claim 1 wherein movements of the at least one optical element is used for the production of an airflow wherein the optic elements are vibrated.

20. The system of claim 1 wherein the at least one optical element is shifted around a fixed working point and gets vibrated.

21. The system of claim 1 wherein the at least one optical element is moved with a defined frequency.

22. The system of claim 19 wherein said frequency is above visual perception

23. The system of claim 1 wherein the at least one optical element is moved dependent upon external control signals.

24. The system of claim 1 wherein the steering of the light sources in dependence upon positions of the at least one optical element is variable.

25. The system of claim 1 wherein the steering of the light sources in dependence upon positions of an entirety of the optical elements is variable.

26. The system of claim 1 wherein variously colored light sources are accessed upon the positions of the optical elements.

27. The system of claim 1 wherein the steering of the light sources in dependence upon positions of the optical elements is synchronized.

28. The system of claim 1 wherein there is a mechanical lock applied for the at least one optical element if the movements are switched off.

29. The system of claim 1 wherein a calibration routine is activated when the system is switched on in order to determine the exact position of the at least one optical element.

30. The system of claim 27 wherein the impact points of said power transmission are navigated by said calibration routine and the data is evaluated electronically.

31. The system of claim 1 wherein a shape of an OLED foil is changed by the power transmission.

32. The system of claim 1 wherein the controlled magnetic field is generated by at least one coil.

33. The system of claim 1 wherein at least one permanent magnet is deployed on the side of the movable optical elements.

34. The system of claim 1 wherein said one or more optical elements are guided by one or more ball bearings.

35. The system of claim 34 wherein balls of said ball bearings are conducting electrical currents.

36. The system of claim 1 wherein said one or more optical elements are guided by one or more plain bearings.

37. The system of claim 1 wherein the system is encapsulated as a unit.

38. The system of claim 1 wherein a predefined light control is performed.

39. The system of claim 1 wherein in dependence upon an optic deflection energization of light sources in order to obtain a constant light intensity on an illuminated surface.

40. The system of claim 1 wherein said power transfer is performed by a controlled magnetic field.

41. The system of claim 1 wherein the lighting system comprises a control module.

42. The system of claim 41 wherein the control module is integrated in an integrated circuit.

43. The system of claim 41 wherein the control module comprises a serial bus to a control bus, a one-time programmable memory, power regulators, a digital control module, and an actuator control module.

44. The system of claim 41 wherein said control module comprises a position control module to control the position of the at least one actuator.

45. The system of claim 41 wherein said control module controls said at least one light source and the positions of all said optical elements.

46. The system of claim 41 wherein said control module controls each of the light sources individually.

47. The system of claim 1 wherein said at least one movable optical element comprises an optical lens.

48. The system of claim 47 wherein said optical lens is a variable lens.

49. The system of claim 48 wherein said variable lens is an Alvarez lens.

50. The system of claim 48 wherein said variable lens is a Lohmann lens.

51. The system of claim 48 wherein said variable lens comprises a transparent, flexible container filled with fluid.

52. The system of claim 51 wherein said container is filled with water.

53. The system of claim 51 wherein the amount of fluid in the container can be modified by a pump.

54. The system of claim 51 wherein the pump can be activated by movements of the dynamic lighting system invented.

55. The system of claim 1 wherein said at least one movable optical element comprises a lens micro-structure.

56. The system of claim 55 wherein each of two layers of an optical element have micro-structured surfaces wherein one or both layers can be moved in relation to each other in order to generate optical effects.

57. The system of claim 55 wherein each of more than two layers have micro-structured surfaces wherein one or more layers can be moved in relation to each other in order to generate optical effects.

58. The system of claim 1 wherein all optical elements are moved to a home position when the lighting system is switched off.

59. A method for dynamic lighting systems avoiding mechanical tension enabled having utmost flexible positioning, comprising the following steps:

(1) providing at least one light source, one or more movable optical elements to guide light from the at least one light source, a control module, and means of power transmission to move the optical elements to position desired up to three dimensions;

(2) deploying a magnetic power transmission to move said optical elements; and

(3) controlling said power transmission by said control module.

60. The method of claim 59 wherein said at least one light source are any types of LEDs.

61. The method of claim 59 wherein said at least one light source are OLEDs.

62. The method of claim 59 wherein said magnetic power transmission comprises at least one coil wrapped around magnetic material and at least one permanent magnet fixedly connected to a movable optical element.

63. The method of claim 62 wherein the at least one optical element is moved with a defined frequency.

64. The method of claim 63 wherein said frequency is above visual perception.

65. The method of claim 59 wherein the method is applied for stage lighting wherein using position detection the light of the light source can follow a moving object automatically.

66. The method of claim 59 wherein the method is applied for general lighting being enabled to change the light as required by lighting tasks.

67. The method of claim 59 wherein the method is applied for street and pathway lighting being enabled to change the light intensity dependent upon an angle of illumination.

68. The method of claim 59 wherein the method is applied for car headlights being enabled to carry out fast changes of light control in order to compensate for vibrations and adapting horizontal illumination angles to avoid glare effects dependent upon an angle of illumination.

69. The method of claim 68 wherein said car headlights are enabled to be used as curve lights.

70. The method of claim 59 wherein the method is applied for light bulbs of lamps, wherein the light bulbs of the present invention can change light direction and a shape of light distribution activated by switching means.

71. The method of claim 70 wherein said switching means is a switch integrated in the bulb.

72. The method of claim 70 wherein said switching means is a main switch which can be pressed multiple times and different operation modes depend on a number of times the main switch is pressed.

73. The method of claim 70 wherein said switching means are wireless commands.

74. The method of claim 70 wherein said switching means is a phase cutting dimmer.

75. The method of claim 59 wherein actual positions of the one or more movable optical elements are sensed and fed to the control module in a control loop.