Source: http://gizmodo.com/these-low-power-lcd-displays-work-like-e-ink-to-prolong-1501024252
The simple black and white e-ink display inside your Kindle lets you read book after book on a single charge, but when it comes to devices displaying multimedia content like your smartphone, a monochrome display just doesn't cut it. You want color, and lots of it, so Japan Display has created a new type of full-color LCD display that promises fantastic battery by emulating many of the tricks that e-ink displays employ.