Abstract: A multi-laver device and its method of manufacture are disclosed. The multi-layer device comprises a first electrode layer, a first repair layer, a functional layer, and a second electrode layer. The first repair layer comprises a conductive hydrogel film or conductive hydrogel beads, the conductive hydrogel film or the conductive hydrogel beads comprising conductive filler particles dispersed in a cross-linked polymer. The repair layer protects the multi-layer device from electrical short circuits. A multilayer device is also disclosed including a light-transmissive electrode layer comprising a porous mesh or porous spheres.

Abstract: A display device may include a display panel, a lower deposition layer disposed on the display panel, a first adhesive layer disposed on the lower deposition layer, a second adhesive layer disposed on the first adhesive layer and having a different surface energy than the first adhesive layer; and an upper deposition layer disposed on the second adhesive layer. An absolute value of the difference between the surface energy of the lower deposition layer and the first adhesive layer is less than an absolute value of a difference between the surface energy of the lower deposition layer and the second adhesive layer. An absolute value of a difference between the surface energy of the upper deposition layer and the second adhesive layer is less than an absolute value of a difference between the surface energy of the upper deposition layer and the first adhesive layer.

Abstract: The present invention relates to a polarizing plate including: a polarizer; a first hard coating layer positioned on the polarizer and containing binder resin including (meth) acrylate-based (co) polymer; a light transmitting substrate positioned on the first hard coating layer, having retardation of 3000 nm or more, and having in-plane birefringence; and a second hard coating layer positioned on the light transmitting substrate and including a binder resin, and solid-type inorganic nanoparticles dispersed in the binder resin, wherein the degree of a angle formed by the slow axis of the light transmitting substrate and the absorption axis of the polarizer is 5 to 85°, and an image display device including the same.

Abstract: An embodiment of the present invention provides a coating composition comprising a composite in which a dissociated natural polymer compound is bound onto at least a portion of the surface of acrylic polymer particles.

Abstract: Provided is a liquid crystal composition that is capable of forming a light absorption anisotropic film having a high degree of alignment, excellent moisture-heat resistance, and excellent alignment uniformity, a light absorption anisotropic film, a laminate, and an image display device. The liquid crystal composition includes a liquid crystal compound, a first dichroic substance having a structure represented by Formula (1), and a second dichroic substance having a structure represented by Formula (2).

Abstract: A polarizing plate and an optical display device comprising the same are disclosed. The polarizing plate includes a polarizer comprising a zinc cation and a unit represented by the Formula 1, and the polarizing plate has a chrominance variation ?E of about 5.2 or less, as calculated by Equation 1.

Abstract: The present invention provides: a highly practical and safe oil-based ink composition for a writing board, said composition being capable of imparting high mark-erasability and having excellent resistance to drying up; and a marking pen incorporating the same. Specifically, the present invention provides: an oil-based ink composition for a writing board, said composition containing a pigment, an organic solvent, a resin, and at least one compound selected from compounds represented by general formula (1) or (2); and a marking pen obtained by incorporating the oil-based ink composition for a writing board. (In the formulae, R1-R4 each represent a C6-18 alkyl group or a C2-18 and O2-10 alkoxypolyglycol group.

Abstract: The present disclosure relates to a cover window for a flexible display device and a flexible display device including the cover window, wherein the cover window includes a polymer substrate including a polyamideimide block copolymer; and a hard coating layer formed on at least one surface of the polymer substrate and having a pencil hardness of 5H or more under a load of 750 g, and no crack occurs when wound on a mandrel having a diameter of 3 mm.

Abstract: Disclosed herein are ink formulations that result in improved pigment dispersion and anti-blocking in alcohol soluble inks. The ink compositions include at least one colorant; a binder comprising polyurethane; a solvent system comprising at least about 50% by weight of an alcohol, based on the total weight of the solvent system; and a cellulose ester selected from cellulose acetate propionate and cellulose acetate butyrate.

Abstract: A multi-layer device and its method of manufacture are disclosed. The multi-layer device comprises a first electrode layer, a first repair layer, a functional layer, and a second electrode layer. The first repair layer comprises a conductive hydrogel film or conductive hydrogel beads, the conductive hydrogel film or the conductive hydrogel beads comprising conductive filler particles dispersed in a cross-linked polymer. The repair layer protects the multi-layer device from electrical short circuits. A multi-layer device is also disclosed including a light-transmissive electrode layer comprising a porous mesh or porous spheres.

Abstract: A display module includes a cushion plate having a transmittance of 20% to 40% of light at a spectrum wavelength of 380 nm to 780 nm in an area thereof other than an area in which a through-hole is formed, such that a difference between transmittances in the area in which the through-hole is not formed and the area in which the through-hole is formed may be reduced as much as possible. Reducing the difference between the transmittances in the area in which the through-hole is not formed and the area in which the through-hole is formed as much as possible may allow reflected-light visibility in the area in which the through-hole is not formed and reflected-light visibility in the area in which the through-hole is formed to be realized in close to each other as much as possible, thereby minimizing low gray-level mura near the through-hole area.

Abstract: A display panel and a manufacturing method thereof are provided. The manufacturing method of the display panel include following blocks: providing a light-emitting element; coating a polymer solution on a light-emitting element and performing a first annealing process to the light-emitting element after it is coated with the polymer solution to form a first protecting layer; and coating an organic compound solution on the first protecting layer so that the organic compound solution is self-assembled on the first protecting layer to form a second protecting layer, wherein the second protecting layer has a crosslinking three-dimensional network structure.

Abstract: An optical laminate includes two optically anisotropic layers, an A-plate and a C-plate, in which the adhesiveness between the layers, the liquid crystal alignment of the C-plate, and the adhesiveness between the A-plate and a pressure-sensitive adhesive, are excellent. The optical laminate includes first and second optically anisotropic layers which are A-plate and C-plate formed of a first and second liquid crystal compound, respectively, and a mixed layer disposed between the layers, including components derived from the first and second liquid crystal compounds, and an optical alignment compound, in which a surface energy of the first optically anisotropic layer on a side opposite to the mixed layer is 25 mN/m or more, and where a component in a depth direction is analyzed with time-of-flight type secondary ion mass spectrometry while irradiating ion beams from a surface of the optical laminate on the first, toward the second, optically anisotropic layer.

Abstract: The present disclosure provides an optical laminate including a polymer substrate and an antiglare layer, wherein rubber particles having a cross-sectional diameter of 10 to 500 nm exist within 50% of the thickness of the antiglare layer from the interface between the polymer substrate and the antiglare layer, a polarizing plate including the optical laminate, and a liquid crystal display and a display device including the polarizing plate.

Abstract: A polarizing plate and an optical display including the same are provided. A polarizing plate includes: a polarizing film; a first base layer; and a pattern layer, the first base layer and the pattern layer being sequentially arranged on a light exit surface of the polarizing film, and the pattern layer includes a first layer and a second layer sequentially arranged on the first base layer, the first layer having a higher index of refraction than the second layer, and the first layer includes a patterned portion at at least a portion thereof facing the second layer, the patterned portion including at least two optical patterns and a flat section between optical patterns of the at least two optical patterns that are adjacent to each other.

Abstract: Disclosed is a polyimide having a repeat unit structure of Formula IV In Formula IV: Ra is the same or different at each occurrence and represents one or more tetracarboxylic acid component residues; and Rb is the same or different at each occurrence and represents one or more aromatic diamine residues. 30-100 mol % of Rb has Formula II In Formula II: R1 and R2 are the same or different at each occurrence and are halogen, alkyl, fluoroalkyl, silyl, alkoxy, fluoroalkoxy, or siloxy; a and b are the same or different and are an integer from 0-4; c and d are the same or different and are 1 or 2; and * indicates a point of attachment.

Abstract: Provided are a window cover film and a display panel including the same. More specifically, a window cover film includes a polyimide-based film, and an inorganic thin film layer and a hard coating layer formed on at least one surface of the polyimide-based film. A light transmittance measured at 388 nm is 50% or less and a total light transmittance measured at 400 to 700 nm is 87% or more, is provided.

Abstract: An adhesive composition includes a polyvinyl alcohol binder, a crosslinking agent and a compound of Formula 1 below, HO—SO2—R??[Formula 1] wherein in Formula 1, R is an alkyl group, a haloalkyl group or a haloalkylaryl group. The adhesive composition may have excellent water resistance, adhesive force and other optical properties as well as greatly improved storage stability.

Abstract: A resin composition and a filter element are provided. The resin composition includes a black coloring agent (A), an ethylenically-unsaturated monomer (B), a solvent (C), a resin (D), and a photoinitiator (E). The black coloring agent (A) includes a titanium black (A-1) and a carbon black (A-2). Based on a total usage amount of 100 parts by weight of the titanium black (A-1) and the carbon black (A-2), a usage amount of the titanium black (A-1) is 50 parts by weight to 75 parts by weight.

Abstract: Provided are a polarizer protective film comprising a polymeric film and a coating layer formed on at least one surface of the polymeric film, where the coating layer has a plurality of concave embossed patterns and has a surface roughness of 2.0 nm to 20.0 nm, and a manufacturing method thereof.