A new patent has surfaced indicating Microsoft's plan of possibly coming up with a device with dual screens, one of which will be an E-paper display. The patent for the "dual display device" was filed on September of last year and was just published on March 30 by the World Intellectual Property Organization or WIPO.

Speculations have since sprouted as to what particular Microsoft device will utilize the patent. The patent shows a device with two screens. The regular screen is on one side while the e-paper display is on the opposite side. The regular screen will supposedly display "visually dynamic user inputs and controls" while the e-paper display will be for "visually static user inputs and controls". According to Trusted Reviews, the e-paper display may be utilized for input controls such as a keyboard. In this regard, the patent may very well be for a new Microsoft Surface tablet though there are some who believes the patent will be used on a Surface Phone. The patent further explained that the visually static user controls on the e-paper display may include controls for playing music and videos. The patent also explained that the regular screen may display thumbnails of the cover album of the song being played using the static user controls.

Another theory says the e-paper display will act as a cover for a new Microsoft Surface Pro. This is most likely why the e-paper display will be detachable, rigid and touch-sensitive.

Microsoft is currently hard at work with a new Surface Book recently launched, the Surface Studio about to be officially launched in a few weeks, and a flurry of patents being published recently. One such patent is for "hinged displays". Some quarters believe the two patents will find their way to one Windows 10 device. Of course, these are all speculations for now.