Maintaining illumination intensity of a light emitting diode...

Details Maintaining illumination intensity of a light emitting diode... Maintaining illumination intensity of a light emitting diode...

H - Electricity

05

B

H05B 33/08 (2006.01) F25D 27/00 (2006.01) G08B 5/36 (2006.01)

Patent

CA 2467361

The illumination intensity of light emitting diode in an appliance display is maintained over time by automatically increasing an amount of electric current supplied to the light emitting diode, preferably incrementally, over the life of the light emitting diode. The automatic increase in current compensates for the gradual decay of the light emitting diodes over time, thereby allowing the light emitting diodes to maintain a constant illumination for the lifetime of the appliance.

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