LED system for producing light
First Claim
1. A method for controlling light being emitted from a light-emitting system comprising a plurality of light emitting diodes (LEDs), said method comprising controlling at least the following parameters:
- the temperature of the surroundings of each of the LEDs, a luminous flux of each of the LEDs, and an electrical power being supplied to each of the LEDs, and where controlling the surrounding temperature controls a luminous intensity being emitted from the system, thus controlling the luminous flux of the LEDs, and controlling the electrical power does not decrease the lifetime of the LEDs by the current of the electrical power not being increased during the lifetime of the LEDs.
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Accused Products
Abstract
The invention relates to a system comprising a plurality of light emitting diodes, LEDs. The LEDs may be controlled in various in various manners in order to obtain any of one or more objects of the system. Thus, LEDs may be controlled for by controlling at least two of the following parameters: the luminous intensity of each of the LEDs, the luminous flux of each of the LEDs, the colour spectrum of the light being emitted from each of the LEDs, the spatial radiation pattern of the light being emitted from each of the LEDs, the spatial radiation pattern of the system, the junction temperature of each of the LEDs, the temperature of the surroundings to the LED, the amperage of the electrical power being supplied each or sections of the LEDs, the voltage of the electrical power being applied the LEDs and pulsing applied to the electrical power being applied each or sections of the LEDs.
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Citations
17 Claims
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1. A method for controlling light being emitted from a light-emitting system comprising a plurality of light emitting diodes (LEDs), said method comprising controlling at least the following parameters:
- the temperature of the surroundings of each of the LEDs, a luminous flux of each of the LEDs, and an electrical power being supplied to each of the LEDs, and where controlling the surrounding temperature controls a luminous intensity being emitted from the system, thus controlling the luminous flux of the LEDs, and controlling the electrical power does not decrease the lifetime of the LEDs by the current of the electrical power not being increased during the lifetime of the LEDs.
- View Dependent Claims (2, 3)
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4. An LED system comprising:
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a plurality of light emitting diodes (LEDs) for producing light, wherein each or sections of the LEDs are emitting light at different wavelengths; a cooling element to control a temperature surrounding one or more LEDs of the plurality of LEDs; and an electrical and electronic element to control an electrical power being supplied to one or more LEDs of the plurality of LEDs; wherein controlling the electrical power does not increase the current, of the electrical power during the lifetime of the LEDs for thereby not decreasing the lifetime of the LEDs; and wherein the controlling of the temperature by the cooling element and the controlling of the electrical power by the electrical and electronic element are effective to control the luminous flux of one or more LEDs of the plurality of LEDs. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification