A display device includes a backlight module, a liquid crystal display panel and an optical module. The liquid crystal display panel is disposed on the backlight module. The liquid crystal display panel includes an array substrate, an opposite substrate, a display medium layer, an upper polarizing pattern, and a lower polarizing pattern. The upper polarizing pattern is disposed on the opposite substrate. The lower polarizing pattern is disposed on the array substrate and has a first transmission axis. The optical module is disposed between the backlight module and the liquid crystal display panel. The optical module includes a dual brightness enhancement film. The dual brightness enhancement film has a second transmission axis. The polarization direction of the light after passing through the optical module is different from the polarization direction of the light after passing through the lower polarizing pattern.

Disclosed are a display device and a driving method for a display device. The display device includes a display component and a light control component. The light control component has a plurality of light control pixels arranged in an array. Each of the light control pixels at least covers one of the display pixels. Each of the light control pixels is configured to switch between a first state and a second state. When the light control pixel is in the first state, external ambient light that has passed through the first polarizer does not change polarization state after passing through the light control pixel. When the light control pixel is in the second state, external ambient light that has passed through the first polarizer is adjusted, after passing through the light control pixel, to be linearly polarized light perpendicular to the light transmission axis of the reflective polarizer.

An augmented reality device includes an eyeglass frame and a combiner mounted on the eyeglass frame. The combiner includes an inner surface and an outer surface disposed opposite the inner surface. The device further includes an active shutter lens mounted on the combiner and an image projector mounted on the eyeglass frame and configured to project display light to the combiner such that a first portion of the display light is emitted from the inner surface of the combiner and a second portion of the display light is emitted from the outer surface of the combiner. The device additionally includes a processor coupled to the image projector and the active shutter lens. The active shutter lens is configured to shield the display light emitted from the outer surface of the combiner. The combiner is configured to emit ambient light from the inner surface thereof.

A peeking prevention system has: a display device having, on a front surface of a display screen, a first polarization layer that has a first absorption axis parallel to a first direction; and a room partition that partitions a space in which a display is provided by the display device from a surrounding space, the room partition having a translucent part that makes it possible to see into the space, the translucent part including a transparent substrate and a second polarization layer that is positioned on the space side of the transparent substrate and that has a second absorption axis parallel to a second direction, wherein: the system furthermore has a phase contrast film that is positioned on the front surface of the first polarization layer; the phase contrast layer has a delay axis parallel to a third direction; and transparency is reduced when the display screen is viewed.

A peeking prevention system includes: a display device having a display plane emitting polarized light; a partition to delimit from the surroundings a space in which displaying is to be provided by the display device, the partition having a light-transmitting portion through which the inside of the space is viewable; and an optical stack opposed to the display plane of the display device. The light-transmitting portion includes a transparent substrate and a first polarizing layer having a first absorption axis that is parallel to a first direction. The optical stack includes a second polarizing layer having a second absorption axis that is parallel to a second direction, the second direction being orthogonal to the first direction, and a first phase difference layer at a side of the second polarizing layer facing the display plane. The first phase difference layer has an in-plane retardation of 4000 nm or more.

According to one embodiment, a display device including a display panel which displays images, a polarization axis rotation element located between the display panel and an observer, and a polarizer located between the display panel and the polarization axis rotation element, wherein the polarization axis rotation element includes a first area and a second area different from the first area, and an orientation of a first polarization axis of a first polarization component transmitted through the first area is different from an orientation of a second polarization axis of a second polarization component transmitted through the second area.

A display panel and a display device. The display panel includes a first light adjusting module and a display module. The display module includes a pixel unit having a plurality of pixels, the pixels include a plurality of sub-pixels. The first light adjusting module includes a first light-adjusting electrode layer, a second light-adjusting electrode layer, a first filling layer and a second filling layer. The first filling layer is filled with a first filling material with a refractive index of ns, and the second filling layer is filled with filler groups each including at least one filler and corresponding to the pixels. The refractive index ne of the filler along the second direction is greater than the refractive index no along the third direction thereof, and ns≈no. The fillers in the same filler group switches between a first deflected state and a second deflected state.

An optical element includes, sequentially from a viewing surface side toward a back surface side: a viewing-surface-side polarizer; a retarder; and a back-surface-side polarizer, a transmission axis of the viewing-surface-side polarizer and a transmission axis of the back-surface-side polarizer being parallel to each other, the optical element having an average angle θ between an angle θ1 and an angle θ2 of greater than 0° and smaller than 90°, wherein the angle θ1 represents an angle formed by an optical axis of the retarder on a surface close to the back surface with the surface close to the back surface; and the angle θ2 represents an angle formed by an optical axis of the retarder on a surface close to the viewing surface with the surface close to the viewing surface.

The disclosure provides an electronic device including a viewing angle control structure. The viewing angle control structure includes a first substrate, a second substrate disposed opposite to the first substrate, an adjustable dielectric layer disposed between the first substrate and the second substrate, a first alignment layer disposed between the first substrate and the adjustable dielectric layer, and a second alignment layer disposed between the second substrate and the adjustable dielectric layer. One of the first alignment layer and the second alignment layer is in a horizontal alignment and the other of the first alignment layer and the second alignment layer is in a vertical alignment.

Provided are a liquid crystal panel capable of achieving a small light-shielding angle in a narrow viewing angle mode and a display device including the liquid crystal panel. The liquid crystal panel sequentially includes: a first polarizing plate with a first absorption axis; a first substrate including a first electrode; a liquid crystal layer containing liquid crystal molecules; and a second substrate including a second electrode, wherein in a plan view, a director of the liquid crystal molecules with no voltage applied and the first absorption axis form an angle α of not smaller than 5° and not greater than 20° or not smaller than 65° and not greater than 80°.