Saphlux (New Haven, CT) is commercializing the next generation of high power, high efficiency, and low cost semi-polar LEDs (light-emitting diodes) for high performance and general lighting use. Semi-polar LEDs have long been proven theoretically and experimentally to have much higher efficiency and much less droop than conventional c-plane LEDs. After 6 years laboratory research, Professor Jung Han’s group at Yale University successfully lighted up the world’s first semi-polar LED chip that is designed for cost-efficient manufacture. Chris McLeod represents Elm Street Ventures on the company’s board of directors.