A flexible display device is provided. The flexible display device includes: a display; a sensor configured to detect at least one rolling characteristic in response to the display being rolled; and a controller configured to perform a first function of the flexible display device based on the detected at least one rolling characteristic.

According to an embodiment of the invention, the organic EL device (100) comprises: an element substrate (20) having a substrate (1) and a plurality of organic EL elements (3) supported by the substrate; a thin film encapsulation structure (10) formed above the plurality of organic EL elements and having at least one compound layered body (10S) constituted by a first inorganic barrier layer (12), an organic barrier layer (14) in contact with the upper surface of the first inorganic barrier layer and having a plurality of solid sections spread out discretely, and a second inorganic barrier layer (16) in contact with the upper surface of the first inorganic barrier layer and the upper surfaces of the plurality of solid sections of the organic barrier layer; an organic planarization layer (42) provided above the thin film encapsulation structure and formed from a photosensitive resin; and a touch sensor layer (50) disposed above the organic planarization layer.

The display device includes a liquid crystal panel having pixels, and an imaging device arranged on a backside of the liquid crystal display panel, wherein in an imaging area of the liquid crystal display panel overlapping the imaging device, the pixels are controlled so that black display pixels and white display pixels are alternately lined up in a row direction according to an operation of the imaging device.

Provided is an anti-glare film that can suppress reflection and impart a sense of luxury by suppressing surface graininess. The anti-glare film includes a first main surface and a second main surface opposite to the first main surface, in which when the average inclination angle with a cut-off value of 0.8 mm of the first main surface is defined as θa.sub.0.8 and the average inclination angle with a cut-off value of 2.5 mm of the first main surface is defined as θa.sub.2.5, the anti-glare film satisfies the following Equations (1) and (2).

0.20 degrees≤θa.sub.0.8≤0.70 degrees   (1)

|θa.sub.2.5−θa.sub.0.8|≤0.10 degrees   (2)

A display device includes a glass pane, a display panel which is transmissive, and a glass panel unit. The display panel faces a prescribed area of the glass pane and is within the prescribed area. The glass panel unit is disposed between the prescribed area of the glass pane and the display panel and is within the prescribed area. The glass panel unit has an internal space which is in a pressure-reduced condition.

Provided are: an image display apparatus that can display augmented reality in a virtual image is superimposed on a bright real scene; and AR glasses including the image display apparatus. The image display apparatus includes: a display element; and a reflective polarization diffraction element that reflects an image displayed by the display element, in which the polarization diffraction element has a region where a period of a diffraction structure decreases in a direction away from the display element.

An object is to provide an optical system capable of improving the brightness of a main image while eliminating a ghost image. In an optical system including: an image display device that emits an image; a linear polarizer through which light associated with the image passes; a first quarter wavelength plate which receives the light from the linear polarizer; a half mirror; a reflective polarizer; and a second quarter wavelength plate provided between the reflective polarizer and the half mirror, retardance of the first quarter wavelength plate and retardance of the second quarter wavelength plate are equal, and thus the object is achieved.

A glass plate structure includes: a glass plate having first and second major surfaces; an antireflection film; and a print portion. The first major surface includes: a curved surface region that is a region of an end portion of the glass plate, is curved convexly, and has a radius of curvature r that is 50% or more of a thickness t of the glass plate; and a flat surface region that is connected to the curved surface region. The antireflection film is a laminate in which a high refractive index layer and a low refractive index layer are laminated alternately. The number of layers of the antireflection film is 12 or smaller. A total thickness of the antireflection film in the flat surface region is 400 nm or smaller. A thickness of an outermost layer of the antireflection film in the flat surface region is 90 nm or larger.

There are provided a backlight assembly (1) and a display device, the backlight assembly (1) includes a light source substrate (10), a microstructure film layer (30) and a backlight film material layer (20); the backlight film material layer (20) is located on a light outgoing side of the light source substrate (10), the microstructure film layer (30) is provided between the light source substrate (10) and the backlight film material layer (20), the microstructure film layer (30) includes a light transmission layer (301) and a microstructure region (302); the microstructure region (302) is provided at an edge position of the microstructure film layer (30). The combination of the microstructure region (302) and the light transmission layer (301) can change, at the edge position, an outgoing angle of all or part of backlight passing through the microstructure region (302), so that all or part of the backlight passing through the microstructure region (302) is deflected from a direction perpendicular to the edge where the microstructure region (302) is located and is refracted away from a center of the microstructure film layer (30), thereby an optical path of the backlight with the changed outgoing angle when passing through the backlight film material layer (20) is increased, more red light and green light are excited, and thus a problem of uneven chromaticity of a bluish edge of the backlight during full screen displaying is solved.

A display device according to an embodiment of the present invention includes: an insulating sheet provided from a display region to a drive portion forming region, including, in a curved region, a first film-thickness region having a first film thickness thinner than a film thickness at the display region and a film thickness at the drive portion forming region, and including a first step portion disposed between the display region and the first film-thickness region and a second step portion disposed between the drive portion forming region and the first film-thickness region, first and second wiring lines crossing the first step portion and the second step portion above the insulating sheet and electrically connecting a pixel array portion with a drive portion, and an insulating wall extending from the first step portion to the second step portion between the first wiring line and the second wiring line.