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 indoor display apparatus of a vehicle may include a vehicle state inputter configured to receive a vehicle state, a front detector configured to detect an object ahead of a vehicle, a flip-dot display installed at a top of a cockpit module, and being configured to implement a pixel by rotating a flip disk, an illuminator installed around the flip-dot display, and being configured to illuminate the surface of the flip-dot display, and a controller configured to receive an operation mode of the vehicle from the vehicle state inputter, to receive a distance to the object and a direction of the object from the front detector, and to operate the flip-dot display and the illuminator.

Methods of driving a display matrix and matrix waveforms for driving said display matrix between color states are provided. Additionally, reflective displays incorporating a waveform generator to generate a waveform to drive the display from a first color state to a second color state are also provided. The reflective displays can include a display matrix having a plurality of row electrodes and a plurality of column electrodes; a plurality of display elements with an actuator to modify a color of the display element upon actuation; a fixed voltage source; and a waveform generator for determining an amount of time to apply the fixed voltage to each display element to drive the display element from a first color state to a second color state. The reflective display can be based on moving colored inks into and out of the viewable area of each display element to control the color.

A recording layer is described that comprises a magnetizable material configured to store an image represented by magnetized regions of the magnetizable material. The magnetizable material may be brought into proximity with a magnetically responsive display layer, which may cause a change in an optical state of the display layer such that a facsimile of the image represented by the magnetized regions is produced within the display layer.

Disclosed are a light emission device including a magnetoactive element, a method of fabricating the same, and an electronic device including the light emission device. The disclosed light emission device may include a light emission layer; a first electrode and a second electrode spaced apart from each other on a first surface side of the light emission layer; and a magnetoactive fluid layer disposed on a second surface side of the light emission layer and having a plurality of nanostructures of which arrangement and distribution is configured to change according to application of a magnetic field. The light emitting properties of the light emission layer may be changed according to the arrangement and distribution of a plurality of nanostructures in the magnetoactive fluid layer. The plurality of nanostructures may include conductive nanowire and magnetic nanoparticle provided on the surfaces of the conductive nanowire.

The present disclosure provides a backlight module, a method for preparing the same, a driving method and a display device. The backlight module includes a backlight source and a light guide structure arranged on a light emitting surface of the backlight source; the backlight source includes a substrate and a plurality of light emitting units arranged on the substrate at intervals; the light guide structure includes a first medium layer and a second medium layer, the first medium layer includes a plurality of first medium structures corresponding to the plurality of light emitting units respectively, and an orthogonal projection of each light emitting unit on the substrate is located within an orthogonal projection of a corresponding first medium structure on the substrate; and the second medium layer includes a plurality of second medium structures, the plurality of second medium structures and the plurality of first medium structures are arranged alternately.

An indoor display apparatus of a vehicle may include a vehicle state inputter configured to receive a vehicle state, a front detector configured to detect an object ahead of a vehicle, a flip-dot display installed at a top of a cockpit module, and being configured to implement a pixel by rotating a flip disk, an illuminator installed around the flip-dot display, and being configured to illuminate the surface of the flip-dot display, and a controller configured to receive an operation mode of the vehicle from the vehicle state inputter, to receive a distance to the object and a direction of the object from the front detector, and to operate the flip-dot display and the illuminator.

The present disclosure provides a backlight module, a method for preparing the same, a driving method and a display device. The backlight module includes a backlight source and a light guide structure arranged on a light emitting surface of the backlight source; the backlight source includes a substrate and a plurality of light emitting units arranged on the substrate at intervals; the light guide structure includes a first medium layer and a second medium layer, the first medium layer includes a plurality of first medium structures corresponding to the plurality of light emitting units respectively, and an orthogonal projection of each light emitting unit on the substrate is located within an orthogonal projection of a corresponding first medium structure on the substrate; and the second medium layer includes a plurality of second medium structures, the plurality of second medium structures and the plurality of first medium structures are arranged alternately.

A pixel unit, a display method thereof and a display panel are provided. The pixel unit includes a display region and a non-display region, further includes a first substrate, a second substrate, a fluid layer and a control structure, the fluid layer is disposed between the first substrate and the second substrate, a fluid is disposed in the fluid layer, a flow of the fluid is controllable, and the control structure is disposed between the first substrate and the second substrate and configured to control the flow of the fluid.

Arrangement for controlling micromechanical actuators, including a digital-to-analog converter and a plurality of micromechanical actuators; wherein the micromechanical actuators are coupled to a connecting structure; wherein the digital-to-analog converter is configured to provide a voltage to be applied to the connecting structure by an adjustable capacitive voltage division that is dependent on a digital input value of the digital-to-analog converter, wherein the digital-to-analog converter is configured to directly include a capacitance of the connecting structure in the capacitive voltage division.