Abstract:
The present invention relates to a complex sheet comprising a matrix having a reinforcement impregnated and having at least one part of one or more side among the upper side and lower side based on the thickness direction of the reinforcement exposed to the outside, and to a flexible display device comprising the same. Provided in the present invention is the complex sheet not needing an additional process for attachment of a material like a substrate and having excellent flexibility and curvature resistance, thereby being used for a flexible use.
Abstract:
The present invention relates to a composite sheet and a display device comprising the same and, more specifically, to a composite sheet having excellent heat resistance, almost no thermal decomposition at high temperature, and great transparent properties and a display device comprising the same. The present invention relates to the composite sheet and the display device comprising the same, which include a matrix and a reinforcing material impregnated in the matrix, wherein the matrix contains a cured material of a composition comprising an imide silicon-based copolymer.
Abstract:
PURPOSE: A barrier film containing a graphene layer, a flexible substrate thereof, and a manufacturing method thereof are provided to prevent a delaminating phenomenon by having an excellent transparent polymer and adhesive strength and to secure transparency by having a graphene layer which is 50 Å or less in thickness. CONSTITUTION: A barrier film containing a graphene layer includes a first polymer layer(1), a second polymer layer(3), and a graphene layer. The graphene layer is formed on the first polymer layer. The second polymer layer is formed on the graphene layer. The graphene layer is 0.4-5 nm in thickness. At least one graphene monolayer is laminated on the graphene layer.
Abstract:
The present invention relates to a composite sheet and a flexible display apparatus, which include a matrix on which a fibrous material containing a first single yarn and a second single yarn arranged to intersect at a constant angle of the first single yarn is impregnated, wherein the first single yarn and the second single yarn are configured of an angle of greater than 0° and less than 180 ° respectively to the first direction of the matrix.
Abstract:
PURPOSE: A transparent gas barrier film with inorganic composition slope gradient is provided to simply and cheaply obtain inorganic composition slope gradient only by treating with UV ray. CONSTITUTION: A transparent gas barrier film comprises a substrate containing silicon, with an organic-inorganic hybrid section with inorganic composition slope gradient. The surface of the substrate contains 70% or more inorganic. A method for preparing the film comprises: a step of preparing the substrate containing silicon; and a step of treating the surface with UV ray and ozone to form the inorganic composition slope gradient.
Abstract:
The present invention relates to a composite sheet which comprises a matrix and a reinforcement impregnated in the matrix, wherein the matrix comprises a polysiloxane-polycarbonate copolymer, and the refractive index difference between the matrix and the reinforcement is less than 0.01, and to a display device comprising the composite sheet.
Abstract:
The present invention relates to a battery cover including a matrix and a reinforcing member inserted on the matrix, and a mobile terminal thereof. The reinforcing member includes a fabric composite formed by fabric with an aspect ratio between 50 × L and 250 × L, wherein the L is the millimeter unit conversion value of the length of the mobile device in which the battery cover will be used.
Abstract:
The present invention relates to a composite sheet which comprises: a matrix and a stiffening member impregnated in the matrix and has a surface roughness (Rt) of 1200 nm or less whereby the matrix includes a cured material of a composition containing a polyfunctional (meth)acrylate monomer or an oligomer thereof; to a method to manufacture the same; and to a flexible display device comprising the same.
Abstract:
The present invention relates to a manufacturing method and an apparatus of a composite film, which is characterized by comprising a step of squeezing a matrix impregnated body in which a reinforcing material is impregnated and hardening the matrix impregnated body and using a squeezing member disposed in an oblique direction to a moving direction of the matrix impregnated body in which the reinforcing material is impregnated, a composite film using the same, and a flexible substrate and a display device using the same.