Current smartphones aspire to have as large of a display as possible and display design is one of the most important aspects of a smartphone. Different methods are used to achieve as large a footprint with the display as possible. This report details and forecasts the most used display design technologies to achieve that large footprint. The report is a valuable resource for component manufacturers, handset vendors, operators and developers to identify and prioritize the most popular display design features penetrating billions of mobile devices worldwide.