TOKYO — Field Emission Technologies Inc., carved out of Sony Corp. to commercialize field-emission display technology, will demonstrate a prototype FED panel here at Display 2007, scheduled to run April 18-20. Initial commercial offerings are targeted for 2009. FE Technology took over FED development from Sony when it was spun off from the Japanese consumer giant in December. Sony holds a 36.5 percent stake in the company. Tokyo-based carve-out fund Tech Gate Investment is the majority equity holder. Sony undertook FED development in 1998, working with Candescent Technologies Corp. When Candescent filed for bankruptcy in 2004, Canon Inc. purchased the...