Sharp has announced a new 5.5-inch 4K display for smartphones The popular Japanese display manufacturer Sharp has announced a new 5.5-inch 4K display for smartphones, featuring a record 806ppi pixel density. The Ultra-HD (4K) Sharp IGZO screen with 2160×3840 pixels resolution is April 14, 2015 Business/Channel/IT Magazine/Magazine Advertisement india/Mobile Launch/New Feature/News/Phone Reviews/price and specification/price cut/Product Launch/Social Media/Tablet/Technology News/Telecom News