IP3 2020-Navigation 1 (LOT 9332)

This lot is generally related to geolocation and positioning.  Disclosed are techniques to automatically switch the display mode of the mobile device between daytime and nighttime display modes by determining the time of day and enabling the electronic device to operate in a first display mode when the time of day corresponds to nighttime and in second display mode if the time corresponds to daytime.  Also disclosed are techniques to display map data on the display panel in a light shade against a dark background when the display panel is operated in the nighttime display mode, and in a dark shade against a light background when the display panel is operated in the daytime display mode.  The technology may be implemented in smart phones, PDAs, etc.