The present disclosure discloses a near-eye display apparatus including: a first display screen and a second display screen; and a first collimating lens, a second collimating lens, a first polarization converter which converts emitted light of the first display screen into first circularly polarized light, a second polarization converter which converts emitted light of the second display screen into second circularly polarized light, a waveguide plate configured to conduct the first circularly polarized light and the second circularly polarized light, and a super lens which is located in a light emitting region of the waveguide plate.

A near-to-eye display device, includes: a display screen configured to display different images in a first time division mode, a polarization converter at a light-emitting side of the display screen and configured to convert emitted light of the different images displayed by the display screen into first circularly polarized light rays and second circularly polarized light rays in a second time division mode. Here the first circularly polarized light rays and the second circularly polarized light rays are opposite in rotation direction. The device further includes a polarization lens at a side facing away from the display screen of the polarization converter, and a focusing lens at a side facing away from the display screen of the polarization converter. The polarization lens and the focusing lens are configured to focus the first circularly polarized light rays and the second circularly polarized light rays at positions of different focal lengths.

An object of the present invention is to provide an optical element capable of widening a field of view of an AR glass or the like; and an image display device using the optical element. The object is accomplished with an optical element including a light guide plate; a switching λ/2 plate capable of switching a phase difference between zero and λ/2; and a first optically anisotropic layer that is arranged between the light guide plate and the switching λ/2 plate, is formed using a composition including a liquid crystal compound, and has a liquid crystal alignment pattern in which an orientation of an optical axis derived from the liquid crystal compound changes while continuously rotating along at least one in-plane direction of the first optically anisotropic layer.

Provided is a method of producing a round shape display including a polarizing plate. The round shape display is shaped circularly and has a front face provided with the polarizing plate. In a stated order, the method includes steps of: (a) producing a positioning panel from a material panel including the round shape display, the positioning panel being surrounded by a straight edge shaped linearly and a portion of an outer circumference of the round shape display; (b) positioning the positioning panel; (c) attaching the polarizing plate shaped circularly to the round shape display included in the positioning panel; and (d) removing a portion, of the positioning panel, including the straight edge, and producing the round shape display.

An optical device is provided. The optical device includes a first optical element configured to output an elliptically polarized light having one or more predetermined polarization ellipse parameters. The optical device also includes a second optical element including a birefringent material with a chirality, and configured to receive the elliptically polarized light from the first optical element and reflect the elliptically polarized light as a circularly polarized light.

A reflective electronic display device being pixels or sub-pixels includes: a main substrate; an electromagnetic micro-electromechanical module installed on a side of the main substrate; a shaft coupled to the electromagnetic micro-electromechanical module and the main substrate; a reflector stacked on the other side of the main substrate; a first polarizer stacked on the reflector and configured to be opposite to the main substrate, and the first polarizer defining a first penetration axis; a second polarizer installed on a side of the first polarizer a side, and the second polarizer defining a second penetration axis; an electromagnetic micro-electromechanical module driving the main substrate to drive the reflector, so as to link and rotate the first polarizer and define a bright mode, a dark mode, and a grayscale mode.

In a display apparatus body (10A), a first polarization plate (31), a first wave plate (32), a reflection layer (33), a second wave plate (35), and a second polarization plate (36) are arranged between a display element (De) and a lens (S) and are lined up in this order from the display element (De) toward the lens (S). Further, the reflection layer (33) includes reflection regions (E1) that correspond to positions of non-light emission regions (R2) of the display element (De) and that reflect light and includes light transmission regions (E2) that correspond to positions of a plurality of light emission regions (R1) and that transmit light. This can obtain a display apparatus that can improve the use efficiency of light emitted from a display element.

A liquid crystal display device including, sequentially in the following order: a light source unit, a rear side polarizer, a liquid crystal cell, a front side polarizer, and a viewing angle expansion film. Alternatively, a liquid crystal display device including, sequentially in the following order: a light source unit, a rear side polarizer, a liquid crystal cell, a viewing angle expansion film, and a front side polarizer. The liquid crystal display device optionally includes a rear side optical film provided between the rear side polarizer and the liquid crystal cell; and a front side optical film provided between the front side polarizer and the liquid crystal cell.

Provided is an optical element in which transmission of incident light with an angle in a predetermined direction is allowed and the brightness of transmitted light is high. The optical element is formed using a composition including a liquid crystal compound and has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound rotates in one direction; and the optically-anisotropic layer has regions in which the optical axis is twisted in a thickness direction of the optically-anisotropic layer and rotates, the regions having different magnitudes of twist angles of the rotation in a plane.

An anti-glare mirror with an image display function includes, in this order: an image display device; a circular polarization reflection layer A; a liquid crystal cell; and a linear polarizing plate, in which a phase difference layer such as a ¼ wavelength plate is provided between the circular polarization reflection layer A and the linear polarizing plate, and the circular polarization reflection layer A has a cholesteric liquid crystal layer obtained by curing a coating layer of a liquid crystal composition containing a polymerizable liquid crystal compound.