LIGHT EMITTING DIODE REPLACEMENT LAMP
11 Assignments
0 Petitions
Accused Products
Abstract
Thermal management and control techniques for light emitting diode and other incandescent replacement light technologies using a current controller are disclosed.
3 Citations
75 Claims
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1-46. -46. (canceled)
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47. A method of thermal management of an illumination device comprising a light-emitting diode (LED), the method comprising:
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(a) generating a regulated current from a source voltage; (b) supplying the regulated current to the LED; (c) generating a sense voltage based on (i) the regulated current and (ii) an LED temperature resulting from heat produced by the LED; and (d) modifying the regulated current supplied to the LED based on the sense voltage, whereby the LED temperature is maintained within a non-destructive range of LED temperatures. - View Dependent Claims (48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60)
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61. A thermal-management system for an illumination device comprising a light-emitting diode (LED), the system comprising:
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means for generating a regulated current from a source voltage; means for supplying the regulated current to the LED; means for generating a sense voltage based on (i) the regulated current and (ii) an LED temperature resulting from heat produced by the LED; and means for modifying the regulated current supplied to the LED based on the sense voltage, whereby the LED temperature is maintained within a non-destructive range of LED temperatures. - View Dependent Claims (62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 75)
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63-1. The system of claim 61, further comprising means for amplifying at least a portion of the regulated current.
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74. The system of claim 73, wherein a gain of the amplifying means depends at least in part on the LED temperature resulting from heat produced by the LED.
Specification