A tool for assisting in affixing a screen protector to a display of an electronic device is provided. The tool includes first and second segments slidably attached to define an interior of the tool. The first segment has a first side, a second side attached to the first side by a first corner alignment feature, and a third side attached to the second side by a second corner alignment feature. The second segment similarly includes a first side, a second side, and a third side. The first and second corner alignment features of the first segment and the first and second corner alignment features of the second segment are configured to center the electronic device in the interior of the tool when the first segment is slid relative to the second segment.

A film-applying device and method for 3D glass with two opposite curved edges. The film-applying device comprises: an upper base for fixing a film; a lower base for fixing the 3D glass; a roller structure for rotating a rotary cylinder of the upper base; and a lifting cylinder for moving the upper base, the rotary cylinder, and the roller structure up and down and making the roller structure apply a pressure to press-fit the 3D glass and the film. The roller structure comprises a lower roller and an upper press roller; the rotary cylinder is used for rotating the upper base to change or fix the relative position of the upper base and the roller structure. The device has a simplified structure. The device and method are suitable for applying a film to 3D glass with two opposite curved edges due to convenient operations, high film-applying precision and efficiency.

According to the utility model, there is provided a film laminator for cell phones, useful for film lamination on a surface of a cell phone, including: a cell phone fixing plate, on which a through hole for receiving the cell phone is established, and a top surface of which is a horizontal face; with at least one position limiting plate for abutting the cell phone within the through hole being also fixed on the top surface. The film laminator for cell phones further includes: a film laminating plate for fixing a cell phone film; one end of which is hinged to the cell phone fixing plate, and the other end of which is movable freely so that the film laminating plate is bonded with the top surface of the cell phone fixing plate. With respect to the film laminator for cell phones according to the utility model, because the position limiting plate is provided on the cell phone fixing plate, the surface of the cell phone to which a film is to be attached can handily be kept in flush with the top surface of the cell phone fixing plate. Upon film lamination, the film laminating plate can contact with the top surface of the cell phone fixing plate and the surface of the cell phone to which a film is to be attached at the same time, so that the stress that is laid on it in the course of film lamination is very even, and a good effect of film lamination is obtained.

A metal housing having a ceramic panel and a manufacturing method and an application thereof are provided. The metal housing includes a ceramic panel, a metal frame, and a plastic layer. A periphery of the plastic layer is connected to at least a part of an inner side of the metal frame. The plastic layer has a concave portion. The ceramic panel covers the concave portion and is connected to the plastic layer.

An apparatus including an overlay with a top side and a bottom side. The apparatus also can include an adhesive component with a top side and a bottom side. The top side of the adhesive component can be adhered to the bottom side of the overlay. The adhesive component can be configured to adhere the bottom side of the overlay to a screen of an electronic device in a single-use application of the overlay by adhering the bottom side of the adhesive component to the screen of the electronic device. The apparatus can be configured such that, when the overlay is removed from being adhered to the screen of the electronic device after the single-use application of the overlay, at least a portion of the adhesive component is detached from at least a portion of the overlay. Other embodiments are provided.

Apparatuses, methods, and systems are disclosed for attaching structures. One system includes: a device having a first structure attached to a second structure; a first polymer coupled to the first structure, wherein the first polymer has a first temperature profile and a first shape; and a second polymer coupled to the second structure. The second polymer has a second temperature profile and a second shape. The second shape interlocks the first shape. The first polymer and the second polymer secure the first structure to the second structure in response to the first polymer and the second polymer being in a first temperature range. The first polymer and the second polymer release the first structure from the second structure in response to the first polymer and the second polymer being in a second temperature range different from the first temperature range.

The present invention discloses a packaging box of a covering film and a film applicator. By structural designs of the packaging box and the covering film, the packaging box is provided with an internal cavity matching an outer shape of an electronic device and the covering film includes a release film having an extension portion, enabling the packaging box to provide the covering film with storage, dustproof and shock-absorbing functions and to further serve as a film application auxiliary tool when a film application process is performed. Thus, a user is allowed to accurately, quickly and efficiently form a layer providing protection on a surface of the electronic device directly by using the packaging box.

The present invention discloses a packaging box of a covering film and a film applicator. By structural designs of the packaging box and the covering film, the packaging box is provided with an internal cavity matching an outer shape of an electronic device and the covering film includes a release film having an extension portion, enabling the packaging box to provide the covering film with storage, dustproof and shock-absorbing functions and to further serve as a film application auxiliary tool when a film application process is performed. Thus, a user is allowed to accurately, quickly and efficiently form a layer providing protection on a surface of the electronic device directly by using the packaging box.

A device for installing a screen protector to an electronic device that includes a screen protector unit having a release film, a screen protector, and a protection film wherein the release film has a release tab, the protection film has at least one protection tab where the protection tab includes a hole formed therein; a tray having a panel, at least one alignment protrusion that fits the hole, a guide hole to allow external pressure to be applied onto the screen protector unit when the screen protector unit and the electronic device are received in the tray; and an adhesive strip, via the guide hole, further secures the screen protector unit to the tray. Also included is a method to using the device to install the screen protector to the screen of the electronic device.

There is disclosed a mobile terminal comprising a display unit; a metal plate configured to support a rear surface of the display unit; a middle case arranged around the metal plate and comprising a connecting portion projected from an inner surface and connected with the metal plate; a molding portion injection-molded between an inner surface of the middle case and the metal plate; and a rear case coupled to a rear surface of the middle case and configured to define an exterior of the rear surface, wherein the middle case is formed of an amorphous metal having higher strength and rigidity than a metal of the metal plate, so that the middle case is made of amorphous metal to be resistant to scratch and the inner plate connected with the middle frame is made of a different material from the outer case so as to solve the disadvantage of the conventional frame made of one metal.