In one example, a crystal cell comprises: a first substrate, a second substrate, first spacers and second spacers sandwiched between the first substrate and the second substrate to define a gap between the first substrate and the second substrate, the first spacers being fixedly bonded to each of the first substrate and the second substrate, the second spacers being movable between the first and second substrates, a sealant sandwiched between the first substrate and the second substrate and enclosing the first spacers and the second spacers, and a liquid crystal enclosed by the sealant, the first substrate, and the second substrate. Examples of a dimmable glass incorporating liquid crystal cells and methods of manufacturing the liquid crystal cells are also provided.

Disclosed herein, in accordance with some aspects of the present disclosure, are adaptive harmonic diffractive liquid crystal lenses and methods of making and use thereof.

A pair of eyeglasses may include one or more adjustable lenses that are each configured to align with a respective one of a user's eyes. The adjustable lenses may include a foveated liquid crystal adjustable lens stacked with a non-liquid-crystal adjustable lens such as a fluid-filled lens or an Alvarez lens. The foveated adjustable lens may include electrically modulated optical material such as one or more liquid crystal cells. The liquid crystal cells may include arrays of electrodes that extend along one, two, three, four, or more than four directions. Control circuitry may apply control signals to the array of electrodes in each liquid crystal cell to produce a desired phase profile. Each lens may be foveated such that portions of the lens within the user's gaze exhibit a different phase profile than portions of the lens outside of the user's gaze.

A liquid crystal composition with which a light absorption anisotropic film having a high alignment degree can be formed. The light absorption anisotropic film is used with the liquid crystal composition, a laminate, and an image display device. The liquid crystal composition contains a linear polymer liquid crystalline compound having a repeating unit; a low-molecular-weight liquid crystalline compound having a maximum absorption wavelength of 390 nm or less in a solution; and a dichroic substance.

A camera module comprising a polymer composition that includes a polymer matrix containing a liquid crystalline polymer and a mineral filler is provided. The liquid crystalline polymer contains repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 10 mol. % or more of the polymer. Further, the polymer composition exhibits a melt viscosity of from about 30 to about 400 Pa-s, as determined at a shear rate of 400 seconds.sup.−1 and at a temperature 15° C. higher than the melting temperature of the composition in accordance with ISO Test No. 11443:2005.

A display device includes a liquid crystal layer between a first substrate and a second substrate. The first substrate includes a wiring line and a pixel electrode. The liquid crystal layer includes a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer includes a first polymer in an area overlapping the wiring line and a second polymer in an area overlapping the pixel electrode. The first polymer includes a first portion extending in a direction different from the first direction. The second polymer includes a second portion extending in a direction different from the first direction. A density of the first portion is higher than a density of the second portion.

A light absorption anisotropic film that displays a bright and clear image in a desired direction and makes the image invisible from a direction other than the desired direction using an image display device, a viewing angle control system formed of the light absorption anisotropic film, and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film includes a light absorption anisotropic layer, and a first alignment layer adjacent to the light absorption anisotropic layer, in which the light absorption anisotropic layer contains a liquid crystal compound and an organic dichroic substance, an angle between a transmittance central axis of the light absorption anisotropic layer and a normal line of the light absorption anisotropic layer is 5° or greater and less than 45°, and the first alignment layer is a layer in which a polymerizable liquid crystal compound is hybrid-aligned.

A display device with a high aperture ratio is provided. The display device includes, in a pixel, a first transistor, a second transistor, a first insulating layer, a second insulating layer, a conductive layer, a pixel electrode, a layer containing a liquid crystal material, and a common electrode. The first insulating layer is positioned over a channel formation region of the first transistor. The conductive layer is positioned over the first insulating layer. The second insulating layer is positioned over the first transistor, the second transistor, the first insulating layer, and the conductive layer. The pixel electrode is positioned over the second insulating layer, the layer containing a liquid crystal material is positioned over the pixel electrode, and the common electrode is positioned over the layer containing a liquid crystal material. The common electrode overlaps with the conductive layer with the layer containing a liquid crystal material and the pixel electrode therebetween. The pixel includes a first connection portion where the conductive layer is electrically connected to the first transistor and a second connection portion where the pixel electrode is electrically connected to the second transistor. The conductive layer, the pixel electrode, and the common electrode each have a function of transmitting visible light.

A device includes a polymer stabilized blue phase liquid crystal (“PS-BPLC”) layer. The device also includes an alignment structure coupled with the PS-BPLC layer. LC molecules disposed in contact with the alignment structure are configured to have a spatially varying in-plane orientation pattern that is at least partially defined by the alignment structure. The PS-BPLC layer is configured to forwardly deflect a polarized light having a predetermined handedness, and transmit a polarized light having a handedness that is orthogonal to the predetermined handedness.

According to one embodiment, a display device includes a liquid crystal layer between a first substrate and a second substrate. The first substrate includes a wiring line and a pixel electrode. The liquid crystal layer contains a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer contains a first polymer in an area overlapping the wiring line and a second polymer in an area overlapping the pixel electrode. The first polymer includes a first portion extending in a direction different from the first direction. The second polymer includes a second portion extending in a direction different from the first direction. A density of the first portion is higher than a density of the second portion.