Provided is an optical laminate, an image display device, and a glass composite which are capable of sufficiently shielding light emitted in a direction oblique to a normal direction of a film without occurrence of moire even in a case of being used in a combination with a high-definition image display device. The optical laminate includes, in order, at least a first light absorption anisotropic layer, a refractive index anisotropic layer formed of a one or more layers that contain a liquid crystal compound having a twisted structure, and a second light absorption anisotropic layer, in which the first light absorption anisotropic layer and the second light absorption anisotropic layer contain an anisotropic absorbing material and each have an absorption axis that is aligned at an angle of 60° to 90° with respect to a film surface.

An electrically controlled viewing angle switching device including a first electrode, a second electrode, a liquid crystal layer, multiple dye molecules, and a polarizer is provided. The second electrode is disposed opposite to the first electrode. The liquid crystal layer is disposed between the first electrode and the second electrode and has an optical axis. The dye molecules are dispersedly disposed in the liquid crystal layer. Each of the dye molecules is arranged corresponding to the optical axis of the liquid crystal layer. The polarizer is stacked on the liquid crystal layer. The axial direction of the optical axis of the liquid crystal layer is perpendicular to the axial direction of the transmission axis of the polarizer. A display device using the electrically controlled viewing angle switching device is also provided.

A viewing angle controlling film for a display device includes a first base member, a first electrode disposed on the first base member; a transparent resin layer which is disposed on the first electrode and has a plurality of accommodating units; a second electrode disposed on the transparent resin layer; and a second base member disposed on the second electrode, and in which an ink including charged black particles, charged high refractive particles, and a solvent is accommodated in each of the plurality of accommodating units and the charged black particles are charged with a charge opposite to the charged high refractive particles.

The liquid crystal panel of the present invention sequentially includes: a first substrate including a first electrode; a first alignment film; a liquid crystal layer containing liquid crystal molecules having a positive anisotropy of dielectric constant; a second alignment film; and a second substrate including a second electrode, the liquid crystal molecules being homogeneously aligned with no voltage applied between the first electrode and the second electrode, a polar anchoring energy 2EA and an azimuthal anchoring energy 2EB of the second alignment film being smaller than a polar anchoring energy 1EA and an azimuthal anchoring energy 1EB of the first alignment film, respectively, the polar anchoring energy 2EA of the second alignment film being not greater than the azimuthal anchoring energy 2EB of the second alignment film.

A switchable privacy display comprises a spatial light modulator with output polariser, a reflective polariser, a polar control liquid crystal retarder and an additional polariser. The electrodes of the polar control liquid crystal retarder are patterned with a mark. In wide angle and narrow angle operational modes, the electrodes of the liquid crystal retarder are driven such that the mark is not visible. In a mark display state, the electrodes are driven to provide visibility of the mark in reflected light to an off-axis observer.

Provided is an optical laminate used for a viewing angle control system, and an image display device, including a light absorption anisotropic layer formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, a first adjacent layer in contact with one surface of the light absorption anisotropic layer, and a second adjacent layer in contact with a surface of the light absorption anisotropic layer opposite to the one surface, in which a content of the dichroic substance is 7.0% by mass or greater, an angle θs between a transmittance central axis of the light absorption anisotropic layer and a surface of the light absorption anisotropic layer in a normal direction is in a range of 5° to 60°, and both refractive indices n1 and n2 of the first and second adjacent layers, respectively, are in a range of 1.46 to 1.72.

A display device is provided. The display device includes a display module and a privacy module. The display module includes a light source that emits an input light. The privacy module is disposed on the display module and for receiving the input light. The privacy module includes a first polarizing element for absorbing light in a predetermined direction.

A liquid crystal display (LCD) device includes an LCD panel with a number (N) of pixel elements for displaying an image. A dimming panel includes N dimming elements. The dimming panel has a first mode to apply a uniform dimming to the N dimming elements to provide a privacy function for the LCD device. The dimming panel further has a second mode to a apply a per-element dimming to provide a local dimming function for the LCD device.

A display device includes a view angle switching module and a display module. The view angle switching module includes a first polarizer and a view angle adjustment layer. The display module and the view angle switching module are overlapped. The display module includes a display layer and a second polarizer. The view angle adjustment layer is located between the first polarizer and the second polarizer. An average degree of polarization of the first polarizer for light with a wavelength falling within a first wavelength band is less than an average degree of polarization of the second polarizer for the light with the wavelength falling within the first wavelength band. The display device may provide a privacy function and images with good image quality.

According to one embodiment, a display device includes a liquid crystal display panel including a first substrate, a second substrate, a first liquid crystal layer, a first polarizer and a second polarizer, a dimming panel including a third substrate, a fourth substrate, a second liquid crystal layer, a third polarizer and a fourth polarizer, a first transparent conductive layer provided on the first substrate, a conductive tape connected to the first transparent conductive layer and a first metal frame formed of a metal material, and the conductive tape is connected to the first metal frame.