Patent ID: 8928551
Filing Date: 2015-01-06
Classification: G06F,Y02D

Abstract:
1. A portable device comprising: a primary display and a secondary displays; wherein the secondary display is integrated with the portable device; the secondary display is_physically protected when stowed; the secondary display runs a second application, while the primary display runs a first application in at least one of a plurality operating modes and includes a first screen display stack; wherein the first screen display stack comprises a plurality of screens in which only a top screen is visible; wherein the first screen display stack comprises a push down display stack; wherein the primary display and the secondary display are both easily visible at the same time by the user of the device during the one operating mode; wherein the act of deploying the secondary display displays a ribbon/desktop that allows the second software application to be launched, using the secondary display as the graphical user interface for the second application; wherein a second screen display stack is created on the secondary display when the second application is launched, wherein the second screen display stack comprises a plurality of screens in which only a to screen is visible; and initial application of the second screen display stack has created a first screen in the second screen display stack; wherein as new applications are opened on the secondary display the new applications are added to the second screen display stack, and when the new applications are closed, the new applications remove their screens from the second display screen stack on which the applications are running, and show the screen of the second screen display stack that was used to invoke their application on the secondary display.