An optical device can comprise wires 12 on a face of a substrate 11, with channel(s) 13 between adjacent wires 12. Each wire 12 can include embedded organic moieties. Each wire 12 can include multiple ribs 31. Part or all of the wire 12, the substrate 11, or both can have a high refractive index n and a low extinction coefficient k. The optical device can have reduced separation of layers of different materials during flexing and temperature changes. The optical device can be manufactured by a method designed for improved manufacturability.

A polymerizable liquid crystal composition containing two polymerizable liquid crystal compounds (A) and (B) is provided. A polymer of compound (A) exhibits a reverse wavelength dispersion property and the phase difference value [R(A,3000,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 3000 mJ/cm.sup.2 varies in a positive sense relative to the phase difference value [R(A,500,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 500 mJ/cm.sup.2. A polymer of compound (B) exhibits a reverse wavelength dispersion property and the phase difference value [R(B,3000,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 3000 mJ/cm.sup.2 varies in a negative sense relative to the phase difference value [R(B,500,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 500 mJ/cm.sup.2.

Provided is a polymerizable liquid crystal composition used for formation of an optically anisotropic film having excellent durability, an optically anisotropic film, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (1) and an acidic compound, in which a pKa of the acidic compound is more than −10 and 5 or less, and a content of the acidic compound is 20 parts by mass or less with respect to 100 parts by mass of the polymerizable liquid crystal compound. ##STR00001##

The present invention provides a touch structure and a display panel. The touch structure includes a polarizing layer and a touch layer disposed on a surface of one side of the polarizing layer, wherein a material of the polarizing layer includes a conductive polymer and an iodine molecule.

Provided are a polarizer having a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a liquid crystal compound and a dichroic material, in which the liquid crystal compound and the dichroic material are horizontally aligned, and in an X-ray diffraction spectrum of the polarizer, at least one of a plurality of peaks observed in a diffraction angle range of 17° or less is a peak A in which an interval of a periodic structure corresponding to the at least one peak does not have an integer multiple relationship with an interval of a periodic structure corresponding to at least one of other peaks.

Provided are a coloring resin composition including a resin, a coloring material, and an organic solvent, in which the resin includes a resin A including a repeating unit (A) represented by Formula (a), where, in Formula (a), L.sup.a1 represents a trivalent group, Ar.sup.a1 represents an aromatic hydrocarbon group having a substituent, the substituent is a group having a structure in which a bonding portion with the aromatic hydrocarbon group is an ester bond or an amide bond, in the ester bond, an atom on a side different from an oxygen atom in the ester bond is on a side of the bonding portion with the aromatic hydrocarbon group, and in the amide bond, an atom on a side different from a nitrogen atom in the amide bond is on a side of the bonding portion with the aromatic hydrocarbon group; a film formed of the coloring resin composition; a color filter; a solid-state imaging element; and an image display device.

##STR00001##

Provided are compositions that include a nematic colloid, the nematic colloid comprising a nematic liquid crystal and a key colloid; and a lock colloid, the lock colloid optionally having at least two arms extending therefrom, the lock colloid being configured for assembly with the key colloid of the nematic colloid, the assembly optionally being mediated by a dipole interaction between the colloid and the lock colloid, by a disinclination line of the nematic colloid, or any combination thereof. Also provided are related methods. The disclosed compositions and methods can be used to, e.g., assemble chain and lattice structures from the key colloids by exploiting disinclination lines and dipole defects of the components of the compositions.

An adhesive composition is provided. The adhesive composition includes a polyvinyl alcohol-based resin; a melamine-based crosslinking agent; an acid catalyst; and a silane-based additive. The weight ratio of the melamine-based crosslinking agent and the acid catalyst is from 5:1 to 1:1. The acid catalyst also has a sulfonic acid group. A protective film and a polarizing plate including an adhesive layer including the adhesive composition, and an image display device including the polarizing plate is also provided.

Provided are a wavelength selective absorption filter including a resin and the following dye A and dye D, each of which has a main absorption wavelength band in a different wavelength range, in which an absorbance Ab (λ) at a wavelength λ nm of this wavelength selective absorption filter satisfies a relationship of the Relational Expression (I) 0.05<Ab (450)/Ab (430)<1.00, as well as a polarizing plate and an organic electroluminescent display device or liquid crystal display device including the wavelength selective absorption filter. The dye A is a dye having a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 400 to 430 nm. The dye D is a dye having a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 640 to 730 nm.

Optical bodies are described. In particular, optical bodies having a birefringent multilayer optical film and a continuous adhesive layer with a thickness less than 20 micrometers are described. Optical bodies described herein exhibit reduced occurrence and severity of a non-uniformity defect known as “orange peel.”