Hitachi Displays this week quietly introduced a 4.5" display for mobile devices that supports 720p (1280*720) resolution amid 329ppi pixel density that approaches the limits of the human eye and which Apple calls Retina screen on its iPhone 4. The new screen will power next-generation smartphones and/or other devices with high-definition displays and with more powerful multimedia capabilities.
The Hitachi 720p 4.5" in-plane switching (IPS) display uses a number of newly developed technologies for high aperture ratio pixels and improved backlight efficiency in LCD displays to prevent the reduced brightness that occurs when designing high-definition displays with superior color reproduction. The panel itself is based on amorphous silicon, whereas earlier high-resolution small displays were based on polycrystalline silicon TFTs that are more expensive and which are harder to produce.
Hitachi reveals 720p screen for smartphones
Posted on Thursday, September 29 2011 @ 23:23 CEST by Thomas De Maesschalck