An assembly for holding and controlling curvature of a glass plate for an optical touch sensitive system is described. The assembly comprising a first frame element extending in a first plane and configured to extend at least partially around a panel; at least one second frame element extending in a second plane and forming a support portion for the plate, and at least one spacing element positioned at least partially between the support portion and the first frame element. The spacing element us configured to control a curvature of the first frame element and wherein the at least one second frame element is configured to engage the plate at the support portion, is attached to the first frame element, and is tiltable, by controlling the curvature of the first frame element with said spacing element, to control a curvature of the plate.

This application discloses a display method for a foldable screen, applied to an electronic device including a foldable screen. The foldable screen can be folded to form at least two screens, and the at least two screens may include a first screen and a second screen. The method includes: When the foldable screen is in an expanded state, the electronic device displays a first interface of a first application in full screen on the foldable screen. The first interface includes an image captured by a camera. When detecting that the foldable screen changes from the expanded state to a half-folded state, the electronic device displays a second interface on the first screen. In this way, a user can conveniently perform photographing, video calling, live broadcasting, or the like without holding the electronic device steady with both hands.

Disclosed is a display device. The display device of the present disclosure includes: a display panel; a frame disposed at a rear of the display panel, and to which the display panel is coupled; and a corrugated panel disposed at the rear of the display panel, and to which the frame is coupled, wherein the corrugated panel includes: a front skin forming a front surface; a rear skin forming a rear surface and disposed opposite to the front skin; and a core disposed between the front skin and the rear skin, and having a corrugated shape with alternating ridges and grooves which are elongated, wherein a rear surface of the rear skin is formed to be flat.

The purpose of the present invention is to provide a mobile terminal and a control method therefor, the mobile terminal enabling a user to conveniently determine execution screens of two or more applications to be displayed in a multitasking manner and a layout for the screens. According to an aspect of the present invention, provided is a mobile terminal comprising: a body; a display coupled to the body such that a display area viewed from the front of the body can be changed according to the switching between an extended display mode and a contracted display mode; and a control unit for making a control to display together recently used application information and display layout information for multitasking.

The present invention relates to an image display device and an operation method therefor. An image display device according to an embodiment of the present invention comprises a housing, a roller disposed inside the housing, and a plurality of pixels. The image display device includes: a display panel that can be wound on or unwound from the roller; and a control unit for controlling the operation of the roller so that the display panel rolls up or rolls down. The control unit can check the temperature of the display panel, and apply a main signal to at least one of the plurality of pixels according to the temperature of the display panel when the temperature of the display panel is less than a reference temperature, and control the operation of the roller when the temperature of the display panel is the reference temperature or higher. Various other embodiments are also possible.

The present invention relates to a reflective eyepiece optical system and a head-mounted near-to-eye display device. The system includes: a first lens group, a first optical element and a second lens group for transmitting and reflecting light from a miniature image displayer; the second lens group includes an optical reflection surface, and the optical reflection surface is the optical surface farthest from a human eye viewing side in the second lens group; the optical reflection surface is concave to human eyes; the first optical element reflects the light refracted by the first lens group to the second lens group, and then transmits the light refracted, reflected and again refracted by the second lens group to the human eyes.

Provided are a terminal device and a folding display screen thereof. The folding display screen includes a flexible display panel and an axis-variable folding assembly arranged on a back of the flexible display panel. The axis-variable folding assembly includes a shaft body and magnetic coils positioned to the shaft body. The shaft body includes a flexible outer layer connected to the flexible display panel and a plurality of magnetic beads wrapped by the flexible outer layer. The plurality of magnetic beads are movable relative to each other in a folding motion of the axis-variable folding assembly. Upon a change in a current supplied to the magnetic coils, the magnetic coils can generate a variable magnetic field to adjust an arrangement of the plurality of magnetic beads wrapped by the flexible outer layer.

An electronic apparatus includes a first body, a second body, a connection device, a first driving device, a flexible body, and an elastic member. The second body forms an accommodation chamber with the first body. The second body includes an opening. The connection device is connected to the first body and the second body. The second body moves relative to the first body through the connection device. The first driving device is configured to drive the second body to move relative to the first body through the connection device. The flexible body is attached to a first surface of the first body and a second surface of the second body. The first surface and the second surface are located on a same side of the electronic apparatus. The elastic member is arranged in the accommodation chamber. A first end of the flexible body is fixedly connected to the first body.

A display device is provided. The display device includes a screen body, a first angle adjustment mechanism, a connecting arm, a second angle adjustment mechanism, and a pedestal. The screen body is provided with a first set of positioning holes and a second set of positioning holes. A first angle adjustment mechanism is selectively connected to the screen body through the first set of positioning holes or the second set of positioning holes, so that the screen body is disposed vertically or horizontally. The first angle adjustment mechanism is pivotally connected to the connecting arm, so that the screen body and the connecting arm are rotatable relative to each other. The second angle adjustment mechanism is pivotally connected to the connecting arm and the pedestal, so that the connecting arm and the pedestal are rotatable relative to each other.

Disclosed is an electronic device including: a USB connector connected to a USB plug of an external device; a high-speed interface; a voltage source for supplying a voltage to the high-speed interface; a first circuit portion connected to a ground portion, and has a second impedance higher than a first impedance of the high-speed interface; and a processor. The processor is configured to monitor the external device by using the high-speed interface in a first interval of a first frame, form a disconnection sensing path by forming a connection between the first circuit portion and a second circuit portion of the external device, and use the disconnection sensing path to determine whether the connection between the USB connector and the USB plug has been disconnected. The second circuit portion may have a fourth impedance higher than a third impedance of an external high-speed interface. Various other embodiments are also possible.