According to one embodiment, an electronic device includes a first polarizer having a first transmission axis, a first viewing angle control panel including a first liquid crystal layer containing hybrid-aligned liquid crystal molecules, a second polarizer, a second viewing angle control panel including a second liquid crystal layer containing hybrid-aligned liquid crystal molecules and a third polarizer. In plan view, an initial alignment direction of horizontally aligned liquid crystal molecules of the first liquid crystal layer and an initial alignment direction of horizontally aligned liquid crystal molecules of the second liquid crystal layer are parallel to each other and parallel or orthogonal to the first transmission axis.

The optical element is an optical element including a first optically anisotropic layer which is a cured layer of a liquid crystal composition containing a rod-like liquid crystal compound and a second optically anisotropic layer which is laminated on the first optically anisotropic layer and is a cured layer of a liquid crystal composition containing a disk-like liquid crystal compound, wherein each of the first optically anisotropic layer and the second optically anisotropic layer, has a liquid crystal alignment pattern in which an optical axis of the rod-like liquid crystal compound and an optical axis of the disk-like liquid crystal compound are respectively parallel to a surface of the optically anisotropic layer and oriented along at least one in-plane direction, orientation of the optical axis changes continuously and rotationally, and the orientation of the optical axis rotates by 180° with a period of 0.5 μm to 5 μm.

The present invention relates to novel photoactive polymer materials and their use as orienting layer for liquid crystals, which are used for the production of non-structured and structured optical elements or electro-optical elements and multi-layer systems.

The present invention provides a composition to form an optically anisotropic film exhibiting excellent reverse wavelength dispersibility, an optically anisotropic film, a circularly polarizing plate; a display device; and a near-infrared absorbing coloring agent. The composition includes a liquid crystal compound or a polymer, and a near-infrared absorbing coloring agent having a structural moiety including a coloring agent skeleton and a mesogenic group that is bonded to the coloring agent skeleton, in which the near-infrared absorbing coloring agent satisfies Condition 1 where an absolute value λ1 of a square root of a first eigenvalue and an absolute value λ2 of a square root of a second eigenvalue satisfy a relationship of Formula (A) λ2/λ1≤0.60; and Condition 2: An angle between a direction of a transition moment of absorption of the infrared absorbing coloring agent and a direction of an eigenvector of the first eigenvalue is 75.0° or more.

According to one embodiment, an electronic device includes a first polarizer having a first transmission axis, a first viewing angle control panel including a first liquid crystal layer containing hybrid-aligned liquid crystal molecules, a second polarizer, a second viewing angle control panel including a second liquid crystal layer containing hybrid-aligned liquid crystal molecules and a third polarizer. In plan view, an initial alignment direction of horizontally aligned liquid crystal molecules of the first liquid crystal layer and an initial alignment direction of horizontally aligned liquid crystal molecules of the second liquid crystal layer are parallel to each other and parallel or orthogonal to the first transmission axis.

The present application relates to a retardation film including a composition or a cured product thereof, the composition comprising: an acrylate-based resin having a glass transition temperature (Tg) of 120° C.; or more; a retardation adjusting agent comprising a styrene monomer; and a triazine-based birefringence adjusting agent, in which the triazine-based birefringence adjusting agent is included in an amount of more than 5 parts by weight and 15 parts by weight or less, based on 100 parts by weight of the acrylate-based resin; a polarizing plate comprising the same, and a liquid crystal display device comprising the same.

The present application relates to a retardation film including a composition or a cured product thereof, the composition comprising: an acrylate-based resin having a glass transition temperature (Tg) of 120° C.; or more; a retardation adjusting agent comprising a styrene monomer; and a triazine-based birefringence adjusting agent, in which the triazine-based birefringence adjusting agent is included in an amount of more than 5 parts by weight and 15 parts by weight or less, based on 100 parts by weight of the acrylate-based resin; a polarizing plate comprising the same, and a liquid crystal display device comprising the same.

The optical element is an optical element including a first optically anisotropic layer which is a cured layer of a liquid crystal composition containing a rod-like liquid crystal compound and a second optically anisotropic layer which is laminated on the first optically anisotropic layer and is a cured layer of a liquid crystal composition containing a disk-like liquid crystal compound, wherein each of the first optically anisotropic layer and the second optically anisotropic layer, has a liquid crystal alignment pattern in which an optical axis of the rod-like liquid crystal compound and an optical axis of the disk-like liquid crystal compound are respectively parallel to a surface of the optically anisotropic layer and oriented along at least one in-plane direction, orientation of the optical axis changes continuously and rotationally, and the orientation of the optical axis rotates by 180 with a period of 0.5 m to 5 m.

A liquid crystal composition including a liquid crystal compound capable of expressing a birefringence with reverse wavelength distribution, a (meth)acrylic acid ester compound other than the liquid crystal compound, and a surfactant containing a fluorine atom, wherein a ratio Mw/Np of a molecular weight Mw of the (meth)acrylic acid ester compound relative to a number of electrons Np of the (meth)acrylic acid ester compound is 17 or more and 70 or less, and an amount of the surfactant relative to 100 parts by weight of a total of the liquid crystal compound and the (meth)acrylic acid ester compound is 0.11 part by weight or more and 0.29 part by weight or less.

The present invention relates to novel photoactive polymer materials and their use as orienting layer for liquid crystals, which are used for the production of non-structured and structured optical elements or electro-optical elements and multi-layer systems.