A liquid crystal display panel and a manufacturing method thereof are provided, in which transparent traces are prepared on a first substrate to replace metal traces originally under a sealant, so that ultraviolet light is irradiated on the sealant from a side of the transparent traces in a process of curing the sealant, which can effectively improve a curing rate of the sealant. Moreover, transparent conductive polymer has better corrosion resistance than metal, which can effectively prevent circuit corrosion caused by the sealant absorbing water.

The present disclosure provides a display panel, a manufacturing method of the display panel, and a display device. The display panel includes a substrate, a black matrix, and a polymer film disposed between the substrate and the black matrix and used to increase an adhesive force between the substrate and the black matrix. The polymer film as an adhesive can enhance the adhesive force between the black matrix and the substrate to prevent the black matrix from peeling off from the substrate.

Provided is an optically anisotropic layer having an excellent surface condition, with which an image display device having an excellent contrast can be manufactured; and an optical film, a polarizing plate, and an image display device, each having the optically anisotropic layer. The optically anisotropic layer is obtained by immobilizing a polymerizable liquid crystal composition including a polymerizable rod-shaped liquid crystal compound exhibiting a liquid crystal state of a smectic phase and an additive in a liquid crystal state of a smectic phase, in which a molecular length A (Å) of the polymerizable rod-shaped liquid crystal compound, a layer interval B (Å) of the smectic phase of the optically anisotropic layer, and a molecular length C (Å) of the additive satisfy a relationship of Expression (1-1), 0.5×B≤C≤0.6×A . . . (1-1).

Curable compositions include at least one fluoropolymer, at least one monofunctional (meth)acrylate, at least one difunctional (meth)acrylate, and at least one initiator. The curable composition, when cured, forms an optically-scattering layer including a matrix and phase separated microdomains. The matrix and the phase separated microdomains have different refractive indices, and the microdomains are on the order of or larger than the wavelengths of visible light.

According to one embodiment, a display device includes a first substrate having a first transparent substrate and a pixel electrode, a second substrate having a second transparent substrate, a first common electrode, a second common electrode, and an insulating film disposed between the first common electrode and the second common electrode, and a liquid crystal layer. The first common electrode is disposed between the liquid crystal layer and the insulating film, and includes a first opening and a first electrode portion. The second common electrode is disposed between the insulating film and the second transparent substrate, and includes a second electrode portion overlapping the first opening.

The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission adjusting function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, the first chromic layer comprises a reducing chromic material, the second chromic layer comprises an oxidizing chromic material, and the value of c as defined in Equation 1 is 1.0 to 1.6.

The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission variable function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, and the value of ΔTTd.sub.24 as defined in Equation (1) is 3% or less.

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.

A display device includes a light-emitting element layer and a light control layer. The light control layer may include a plurality of separated partition wall parts including a partition wall part, a color control part between the partition wall parts, the color control part including quantum dots and a first scattering particle, and a coating layer covering a side of the partition wall part adjacent to the color control part. The coating layer includes at least one selected from a substitution dispersant and a substitution scattering particle, and each of the substitution dispersant and the substitution scattering particle may include at least one substituent selected from an amine group and a carboxyl group. The amine groups and the carboxyl groups included in the coating layer may be different in number from each other.

A retardation film is provided. The retardation film comprises a water-soluble polymer matrix and at least a water-soluble dichroic dye dispersed in the water-soluble polymer matrix. The water-soluble dichroic dye has a molecular long-axis aligned along a stretching direction of the water-soluble polymer matrix. The water-soluble dichroic dye has a maximum absorption wavelength between 550 nm and 650 nm, and has a dichroic ratio greater than 10 at the maximum absorption wavelength. The refractive index and the corresponding retardation value of the retardation film in long-wavelength band can be adjusted individually by adding the water-soluble dichroic dye with the maximum absorption wavelength between 550 nm and 650 nm in the water-soluble polymer matrix and arranging the water-soluble dichroic dye in an order. Therefore, reverse wavelength dispersion is generated.