Often, LED ratings on manufacturersa#39; data sheets provide typical luminous flux in lumens, along with test current and forward bias voltage. To calculate the efficacy of the unit, the luminous flux must be divided by the product of the forward bias voltage and the test current. The result is the ... To generate different colors of light, traditional fixtures use incandescent light sources that beam through a filter.
|Title||:||Plant Engineers and Managers Guide to Energy Conservation|
|Publisher||:||The Fairmont Press, Inc. - 2010|