Apparatus and method for LED emission spectrum control

Details Apparatus and method for LED emission spectrum control Apparatus and method for LED emission spectrum control

1992-05-27

1994-08-02

Argenbright, Tony M.

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

G05F 100, H05B 4136

Patent

active

053349164

ABSTRACT:
An emission spectrum controlling apparatus and method for an LED are disclosed. A temperature measurement device is provided for measuring the temperature of a light emitting diode or the temperature in the surrounding environment of the light emitting diode. A driving power control device is also provided for controlling the driving power of the LED, and a computing unit is disclosed which controls the driving power control device based on the temperature information from the temperature measuring device and the driving power information from the driving power control device.

REFERENCES:
patent: 4529949 (1985-07-01), deWit et al.

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