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Smartphone with dual-side display; courtesy Microsoft

Posted: 26 Apr 2012     Print Version  Bookmark and Share

Keywords:touchscreen display  dual-screen display  patent 

Microsoft's new patent application outlines a dual-display smartphone. The patent application, filed with the United States Patent and Trademark office, shows potential for a two sided touchscreen display mobile phone, one on the front and the second display (an electronic ink display) located on the opposite side of the phone.

The patent reads, "A device (mobile phone) may have a plurality of displays, such as a high-power display and a low-power display. The low-power display may be used to display various types of information. Some examples of information that may be displayed on the low-power display include personal customisations of the device (e.g., skins, tattoos, text or graphics, etc.), a battery metre, a signal strength metre, the date and time, or any other type of information."


Microsoft Dual-Screen Display System

"The device has a separate processor that drives the low-power display, so that the low-power display can be used while the device is in sleep mode or off. An application that runs on the device's regular processor uses the high- and low-power displays cooperatively to display output from an application. The low-power display can be wrapped around the edges and/or corners of the device, to make effective use of the device's surface area."

According to the patent application, the mobile phone will comprise a memory; a first processor; a first display that, when displaying information, operates at a first level of power; a second display that operates at a second level of power, which is lower than first level of power.

A low-power display (such as an e-ink display) can be moulded to the contours of a device's surface, thereby allowing the e-ink display to be wrapped around the corners or edges of a device. In this way, portions of a device's surface, which would otherwise go unused, could be used as a display, the patent read.

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