LEDs Get A Life Sentence
NIST welcomed delivery of the Vektrex-developed automated burn-in/light measurement system. White light LEDS from four different manufacturers have been sealed…
Applications
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LM-80 Solution Delivers Accurate Pulse Width Modulation
Vektrex offers the only LM-80 test solution on the market combining the ability to test in both LM-80-15 accepted modes—constant…
Video: Overview of LM-80 Standards Update
On August 20, 2015, Jeff Hulett, CTO of Vektrex and Jianzhong Jiao of Osram Opto Semiconductors, provided an overview of…
Improved Photometric Testing for High-Power LEDs
Photometric testing standards first appeared in the late 1800’s; they were needed by the emerging gas lighting industry. Later standards…
How to power LEDs during optical measurements per LM-85
How to power LEDs during optical measurements per LM-85. See Jeff Hulett / Vektrex presentation at CIE / CORM /…