A foldable electronic device having multiple screens is provided. The foldable electronic device includes a first screen, a worm rod, a moving member, at least one second screen, and at least one linking rod. The worm rod is rotatably disposed on the first screen. The moving member is coupled to the worm rod to move along the worm rod when the worm rod rotates. The second screen is movably disposed on the first screen. The linking rod is pivotally connected between the moving member and the second screen. When the moving part moves along the worm rod, the second screen is driven to move away from or closed to the worm rod by the linking rod, so that the second screen moves out of the first screen or is accommodated behind the first screen.

An example computing device includes a hinge, a first housing, a first display device disposed in the first housing, a second housing rotatably coupled to the first housing via the hinge, a second display device disposed in the second housing, and a connector coupled to the first housing and the second display device, where, in response to a rotation of the first housing relative to the second housing, a first end of the second display device is to slide laterally on a surface of the second housing towards the hinge.

Provided is a display system or a display device that is suitable for increasing in size. The display system includes a first display panel, a second display panel, a detection means, and a compensation means. The first display panel includes a first display region. The second display panel includes a second display region. The first display region and the second display region include a first region where they overlap. The detection means has a function of detecting the size of the first region. The compensation means has a function of compensating an image displayed on the first display region in accordance with the change in the size of the first region.

A portable laptop computing device includes an internal casing that stores secondary displays which extend outward from the device's primary display to thereby increase the amount of displays a user can view while operating the device. The secondary displays are positioned inside a casing of the primary display which is large enough to house at least two displays. The two displays are connected to a hinge which is configured to provide inward and outward movement and rotational movement of the secondary display about 360°. The system can also be implemented with an expansive ecosystem of interoperable components, including an add-on component from which secondary displays can extend, vertical screen adapters which can replace the customary horizontal configuration, a stand to which the add-on component can connect, and a horizontal screen adapter that connects with the stand to provide a convenient three-display set-up when used with the add-on component.

A portable electronic device includes a host, a sliding base, a base plate, a display and a sliding rotating element. The sliding base is disposed on the host and has at least one guiding portion and at least one sliding slot connected to the guiding portion. The base plate is disposed on the sliding base. The display is pivoted on the base plate. The sliding rotating element is fixed to the base plate and is rotatably and slidably connected to the sliding base, and the display and the base plate are configured to rotate or slide on the sliding base along with the sliding rotating element.

A display region of an electronic device is enlarged. Alternatively, a display region of an electronic device is protected. Alternatively, a display device for extending a display region is provided. A system includes an electronic device including a first display portion positioned on a first surface including an upper surface of a housing and a second display portion positioned on a second surface including a first side surface of the housing, and a display device including a third display portion positioned on a third surface of a support portion and a connection portion having a function of connecting with the housing and a function of reversibly changing the relative positions of the support portion and the housing between a first configuration and a second configuration. The first configuration is a configuration in which the support portion covers the first display portion such that the second display portion is visible. The second configuration is a configuration in which the support portion and the housing are opened such that the first display portion, the second display portion, and the third display portion are visible.

A mobile terminal is disclosed including a first frame, a second frame slidable with respect to the first frame between a first position and a second position, a third frame at a rear side and configured to be slidable with respect to the second frame between a third position and a fourth position, a flexible display unit including a first area, a second area, and a third area, and a sliding unit configured to allow the second frame to slide between the first position and the second position and the third frame to slide between the third position and the fourth position, wherein an area of the third area visible from a front side increases as the second frame slides from the first position to the second position and the third frame slides from the third position to the fourth position.

Disclosed are an electronic apparatus and a method of controlling the same. The electronic apparatus includes: a display; and a processor configured to: control the display to display an image on the display, identify a screen mode of the display displaying an image among a plurality of screen modes having different aspect ratios, and provide information on content corresponding to the identified screen mode among a plurality of pieces of content.

A hollow hinge includes a first hollow component, a second hollow component and a plurality of support assemblies. The first hollow component has a first surface and a second surface opposite to the first surface, and a plurality of concave portions are disposed on the second surface. The second hollow component is disposed on the second surface of the first hollow component and a plurality of receiving portions corresponding to the concave portions are disposed on the second hollow component. The support assemblies are respectively contained in the receiving portions and continuously butt against the first hollow component through a force. The hollow hinge avoids friction between components and strengthens support, thereby prolonging durability and improving assembly and production yield rate.

A point of sale (POS) device includes a nest portion and a cradle portion. The nest portion includes one or more payment card or near field communication (NFC) readers. The cradle portion couples to differently-sized interchangeable frames, which in turn help secure a mobile computing device to the cradle portion of the POS device. The mobile computing device is connected via a connector to the rest of the POS device. Payment card information read by the readers is conveyed to the mobile computing device over the connector for processing. The POS device may also include tamper detection circuitry.