Patent ID: 7990338

Claim:
An electronic device having complementary dual displays, the electronic device comprising: a primary display device comprising: a first display, wherein the first display is a refresh-based, high frame rate display, a first display controller for outputting video signals to the first display, a processing unit configured to generate video signals based on instructions from an application being executed by the processing unit, the processing unit coupled to the first display controller to provide video signals thereto, wherein at least one of the generated video signals is based on feedback instructions from the application to update the first display, the feedback instructions indicative of a video signal displayed on an external display device that corresponds to an intermediate location within a first page of information currently displayed on the external display device, and a wireless communication interface coupled to the processing unit to receive video signals therefrom; and the external display device comprising: a second display, wherein the second display is a bistable, low frame rate display, and a second display controller wirelessly coupled to the processing unit of the primary display device via the wireless communication interface of the primary display device to receive video signals therefrom, the second display controller configured to output the received video signals to the second display, the received video signals including a video signal to display the intermediate location with the first page of information.