G02F2202/043

LIGHT-ABSORBING ANISOTROPIC FILM, OPTICAL LAMINATE, AND IMAGE DISPLAY DEVICE
20200318011 · 2020-10-08 · ·

An object of the present invention is to provide a light-absorbing anisotropic film having an excellent degree of alignment of a dichroic azo coloring agent; an optical laminate including the same; and an image display device using the same. The light-absorbing anisotropic film according to an embodiment of the present invention is a light-absorbing anisotropic film which is formed of a liquid crystal composition containing a dichroic azo coloring agent compound, a liquid crystalline compound, and a compound represented by Formula (1) and has a front transmittance of 60% or less, and in which a content mass ratio of the dichroic azo coloring agent compound to the liquid crystalline compound is 5% to 35% by mass.

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Optoelectronic element

Provided is an optoelectronic element including a first substrate, a first electrode on the first substrate, a first lens pattern disposed on the first electrode and including a liquid crystal and a black dye molecule, a second lens pattern disposed on the first lens pattern, and a second electrode on the second lens pattern, wherein the black dye molecule includes about 1 to 4 azo groups and about 2 to 5 aromatic cyclic compounds.

LIGHT CONTROL SHEET AND LIGHT CONTROL WINDOW
20200278566 · 2020-09-03 · ·

A light control sheet including a light control layer sandwiched between first and second orientation layers and including a polymer network in which domains are dispersed and filled with a liquid crystal composition including a liquid crystal molecule and a dichroic dye, a pair of transparent electrodes sandwiching the orientation layers, and a polarizing layer positioned on an opposite side of the first orientation layer to the light control layer. The light control layer has a transmittance that increases upon application of a driving voltage to the pair of transparent electrodes. When the driving voltage is not applied between the transparent electrodes, the orientation layers orient the liquid crystal molecule and the dichroic dye horizontally to the orientation layers and orient an orient absorption ax of the dichroic dye to cross an absorption axis of the polarizing layer as viewed in a thickness direction of the light control layer.

LIGHT CONTROL FILM, LIGHT CONTROL SYSTEM, AND LIGHT CONTROL MEMBER

A light control film and a light control system, which not only simply change the amount of transmitted light but also can be used for a wider range of applications. This light control film includes a first electrode, a second electrode, a liquid crystal material, and a dichroic dye, and has a guest-host type liquid crystal layer in which light transmittance varies with the potential difference between the first electrode and the second electrode, wherein the liquid crystal layer has a first haze value when the potential difference is a first potential difference, has a second haze value when the potential difference is a second potential difference, and has a third haze value higher than at least the second haze value when the potential difference is a third potential difference between the first potential difference and the second potential difference.

Reflective liquid crystal displays with quantum dot color filter arrays
10732460 · 2020-08-04 · ·

Systems, methods, and computer-readable media are disclosed for reflective liquid crystal displays with quantum dot color filter arrays. In one embodiment, an example reflective display structure may include a quantum dot color filter array, a first substrate, a second substrate, a reflective liquid crystal layer disposed between the first substrate and the second substrate, wherein the quantum dot color filter array is disposed on a first side of the reflective liquid crystal layer, a light guide disposed on a second side of the reflective liquid crystal layer, and a light emitting diode optically coupled to the light guide.

Liquid crystal window and optical element comprising it

The present invention relates to a liquid crystal window, a method of manufacturing the same, an optical element comprising the liquid crystal window, and a use thereof. The liquid crystal window of the present invention and its manufacturing method have excellent fixing property of a spacer and thus excellent cell gap maintaining characteristics, and can effectively prevent thermal damage of a base layer and be economical in manufacturing processes.

Method for Manufacturing Optical Device

A method for manufacturing an optical device and an optical device is provided. The manufacturing method is capable of minimizing or eliminating dotting unevenness that may occur when an optical device is manufactured by a dotting process. In particular, even when a large cell gap is present or a polymer substrate is applied as a substrate so that high-temperature heat treatment is impossible, such method of the present application can provide an alignment film having improved orientation by improving the dotting unevenness.

Light-modulating cell

A light-modulating cell includes: a pair of polarizing plates (a first polarizing plate and a second polarizing plate); a pair of electrodes (a first transparent electrode and a second transparent electrode) arranged between the pair of polarizing plates (the first polarizing plate and the second polarizing plate); and a pair of alignment films (a first alignment film and a second alignment film) arranged between the pair of electrodes (the first transparent electrode and the second transparent electrode). A plurality of spacers, which support at least any one of the pair of alignment films and are in two-dimensional contact with at least any one of the pair of alignment films, is provided. At least some of the plurality of spacers have an inconstant distance to another spacer positioned at a closest distance.

Liquid crystal device

The present application relates to a liquid crystal device. The liquid crystal device of the present application may realize a transparent white state, a transparent black state and a scattering state according to a frequency and/or level of an applied voltage. The liquid crystal device may be applied to, for example, a window of a vehicle, a smart window, a window protective film, a display, a light cutoff panel for a display, an active retarder for a 3D image display or a viewing angle controlling film.

Display apparatus

A display apparatus includes: a display panel; and a backlight configured to supply light to the display panel, wherein the backlight includes a light source configured to emit light; and a light guide plate provided on a rear side of the display panel and configured to guide the light emitted by the light source toward to the display panel; and a plurality of optical sheets provided between the light guide plate and the display panel, an optical sheet of the plurality of optical sheets being attached to a front surface of the light guide plate.