LM-85 Light Measurements for High Power LEDs
LM-85 is an Illuminating Engineering Society (IES) approved method for the Electrical and Photometric Measurements of High Power LEDs. The…
LM-85
Vektrex CTO Tackles Roadblock that Threatens Advancement of LED Industry
In Jeff Hulett’s latest article, published in Pennwell’s LEDs Magazine, he identifies the source of wide-spread measurement errors in the LED industry, details measurement methods that can help reduce these errors, and provides guidelines to ensure that LEDs are not undervalued.
LM-85 Research – Light Measurement Error Sources
Typical LED measurement systems use source/measure instruments delivering DC or pulsed current. In many of these systems junction temperature is…