Term What it means
E-inkA proprietary display technology; is a type of E-paper. E-ink is highly legible under direct sunlight and has reflectivity similar to that of real paper. Due to its technology, back lighting is not necessary as long as there is an external source of lighting available. Usage Example: Amazon Kindle.
E-paper; Electronic PaperGeneral term used to describe display technology that mimics real paper. As opposed to LCD or displays of similar technology. E-paper often draws far less power but are not designed to display graphics at smooth framerates. Usage example: Pebble Smartwatch.