Flat panel displays play a vital role in this information-intensive era. The global flat panel display market is projected to be worth US$ 135 billion by 2020. Advances in display technologies have enabled the development of human-information interface which is an integral constituent in todays consumer electronic products such as smartphones, tablet computers, televisions, automotive displays etc. Due to increasing global demand for more efficient and large displays, manufacturer's are always researching into new display technologies. The holy-grail for displays is field emission display technology that allows manufacturers to use existing manufacturing processes and materials to address the growing demand and also keep their manufacturing cost low.