George Craford recognised for major contributions to LED Lighting
Lumileds revealed that George Craford, Lumileds Solid State Lighting Fellow, was selected for the IEEE Edison Medal for ‘a lifetime of pioneering contributions to the development and commercialisation of visible LED materials and devices’. Craford was presented with the medal at the IEEE Honours Ceremony in San Francisco, during the IEEE Vision, Innovations, and Challenges (IEEE VIC) Summit
Craford’s career spans from the early days when LEDs were first developed to delivery of high brightness LEDs suitable for commercial use in a variety of applications, including LED bulbs. He is best known for his invention of the yellow LED in 1972. He then led the development of increasingly brighter red, orange and amber LEDs. In 1979, he began work at Hewlett-Packard, where his team pioneered the development of AlInGaP LEDs using metalorganic chemical vapour deposition (MOCVD).
MOCVD was then a relatively expensive lower volume process and had not been utilised for the high volume commercial production of LEDs. AlInGaP LEDs increased the performance of red and yellow LEDs by more than 10 times. Craford’s team continued to achieve technology breakthroughs in AlInGaP LEDs, eventually reaching 100 lm/W.