Abstract: Optical films for reducing color shift, and organic light-emitting display apparatuses, employing the same include a first lens pattern layer including a plurality of first grooves, and a second lens pattern layer on the first lens pattern layer having the plurality of first grooves. The second lens pattern layer has a plurality of second grooves crossing the plurality of first grooves. The plurality of first and second grooves are each shaped in the form of a stripe.

Abstract: Provided is a color improving film comprising a base layer, a high refractive light diffusion layer including an organic light diffuser on the base layer, a high refractive resin layer on the high refractive light diffusion layer, and a low refractive resin layer in which a lenticular lens pattern is formed on the high refractive resin layer, wherein the organic light diffuser comprises particles coated with a black pigment and non-coated particles, and wherein the lenticular lens pattern is formed on a surface of the low refractive resin layer facing the high refractive resin layer. According to the color improving film, a change in color sensitivity according to an angle of view is small, an external light reflectivity is low, and a light transmittivity and a light diffusibility are substantially improved. Also, the method of preparing the color improving film has excellent processiblity and economic efficiency.

Abstract: Optical films, and organic light-emitting display devices employing the same, include a high refractive index pattern layer including a lens pattern region and a non-pattern region alternately formed, wherein the lens pattern region includes a plurality of grooves each having a depth larger than a width thereof, and the non-pattern region has no pattern; and a low refractive index pattern layer formed of a material having a refractive index smaller than a refractive index of the high refractive index pattern layer, wherein the low refractive index pattern includes a plurality of filling portions filling the plurality of grooves.

Abstract: Optical films, and organic light-emitting display apparatuses employing the same, include a high refractive index pattern layer including a first surface and a second surface facing each other, wherein the first surface includes a pattern having a plurality of grooves. The plurality of grooves each have a curved surface and a depth greater than a width thereof. The high refractive index pattern layer is formed of a material having a refractive index greater than 1. The optical films, and the organic light-emitting display apparatuses, further include a low refractive index pattern layer formed of a material having a refractive index smaller than the refractive index of the material constituting the high refractive index pattern layer. The low refractive index pattern layer includes a filling material for filling the plurality of grooves.

Abstract: Optical films, and organic-light-emitting display apparatuses, include a high refractive index pattern layer including a first surface and a second surface facing each other. The first surface includes a pattern having grooves. The grooves each have a curved surface and a depth greater than a width. The high refractive index pattern layer is formed of a material having a refractive index greater than 1. Further included is a low refractive index pattern layer formed of a material having a refractive index smaller than that of the material constituting the high refractive index pattern layer. The low refractive index pattern layer includes a filling material for filling grooves. A tilt angle, ?, of each groove satisfies the following condition, 15°???75°.

Abstract: Provided are a color display film, a method for manufacturing the same, and a display apparatus including the color display film. The color display film includes a base material layer, a high-refractive light diffusion layer including a light diffuser, a high-refractive resin layer, and a low-refractive resin layer on which an optical pattern is formed. The method for manufacturing a color display film includes forming a high-refractive light diffusion layer by coating a resin comprising a diffuser on one surface of a base material layer and hardening the resin, forming a high-refractive resin layer, in which optical patterns are formed, on one surface of the high-refractive light diffusion layer, and forming a low-refractive resin layer having optical patterns formed on one surface thereof by coating a low-refractive transparent resin on a surface of the high-refractive resin layer in which the optical patterns are formed and hardening the resin.

Abstract: Provided are a color display film and a method for manufacturing the same, and a display apparatus. The color display film includes a base material layer, a high-refractive resin layer on which an optical pattern is formed, and a low-refractive light diffusion layer including a light diffuser in a stacked configuration. The optical pattern is formed in one surface of the high-refractive resin layer facing the low-refractive light diffusion layer. The method of manufacturing a color display film includes forming a high-refractive resin layer by coating a high-refractive transparent resin on one surface of a base material layer and forming an imprinted optical pattern on the coated high-refractive transparent resin, forming a low-refractive light diffusion layer by dispersing a light diffuser into a low-refractive transparent resin, and bonding one surface of the low-refractive light diffusion layer on a surface on which the optical pattern is formed.

Abstract: Optical films, and organic light-emitting display devices employing the same, include a high refractive index pattern layer including a lens pattern region and a non-pattern region alternately formed, wherein the lens pattern region includes a plurality of grooves each having a depth larger than a width thereof, and the non-pattern region has no pattern; and a low refractive index pattern layer formed of a material having a refractive index smaller than a refractive index of the high refractive index pattern layer, wherein the low refractive index pattern includes a plurality of filling portions filling the plurality of grooves.

Abstract: Optical films, and organic-light-emitting display apparatuses, include a high refractive index pattern layer including a first surface and a second surface facing each other. The first surface includes a pattern having grooves. The grooves each have a curved surface and a depth greater than a width. The high refractive index pattern layer is formed of a material having a refractive index greater than 1. Further included is a low refractive index pattern layer formed of a material having a refractive index smaller than that of the material constituting the high refractive index pattern layer. The low refractive index pattern layer includes a filling material for filling grooves. A tilt angle, ?, of each groove satisfies the following condition, 15°???75°.

Abstract: Optical films, and organic light-emitting display apparatuses employing the same, include a high refractive index pattern layer including a first surface and a second surface facing each other, wherein the first surface includes a pattern having a plurality of grooves. The plurality of grooves each have a curved surface and a depth greater than a width thereof. The high refractive index pattern layer is formed of a material having a refractive index greater than 1. The optical films, and the organic light-emitting display apparatuses, further include a low refractive index pattern layer formed of a material having a refractive index smaller than the refractive index of the material constituting the high refractive index pattern layer. The low refractive index pattern layer includes a filling material for filling the plurality of grooves.

Abstract: Optical films, and organic-light-emitting display apparatuses, include a high refractive index pattern layer including a first surface and a second surface facing each other. The first surface includes a pattern having grooves. The grooves each have a curved surface and a depth greater than a width. The high refractive index pattern layer is formed of a material having a refractive index greater than 1. Further included is a low refractive index pattern layer formed of a material having a refractive index smaller than that of the material constituting the high refractive index pattern layer. The low refractive index pattern layer includes a filling material for filling grooves. A tilt angle, ?, of each groove satisfies the following condition, 15°???75°.

Abstract: An optical film includes: a high refractive index pattern layer including a material having a refractive index greater than 1 and having a first surface and a second surface which face each other, where a plurality of grooves is defined in the first surface, and each of the plurality of grooves is defined by a curved surface portion of the first surface of the high refractive index pattern and has a depth greater than a width thereof; and a low refractive index pattern layer including a plurality of protruding patterns disposed in the plurality of grooves, having a refractive index less than the refractive index of the high refractive index pattern layer, and including a plurality of layers having different refractive indices from each other.

Abstract: Optical films, and organic light-emitting display apparatuses employing the same, include a high refractive index pattern layer including a first surface and a second surface facing each other, wherein the first surface includes a pattern having a plurality of grooves. The plurality of grooves each have a curved surface and a depth greater than a width thereof. The high refractive index pattern layer is formed of a material having a refractive index greater than 1. The optical films, and the organic light-emitting display apparatuses, further include a low refractive index pattern layer formed of a material having a refractive index smaller than the refractive index of the material constituting the high refractive index pattern layer. The low refractive index pattern layer includes a filling material for filling the plurality of grooves.

Abstract: Optical films, and organic light-emitting display devices employing the same, include a high refractive index pattern layer including a lens pattern region and a non-pattern region alternately formed, wherein the lens pattern region includes a plurality of grooves each having a depth larger than a width thereof, and the non-pattern region has no pattern; and a low refractive index pattern layer formed of a material having a refractive index smaller than a refractive index of the high refractive index pattern layer, wherein the low refractive index pattern includes a plurality of filling portions filling the plurality of grooves.

Abstract: Optical films, and organic light-emitting display apparatuses employing the same, include a high refractive index pattern layer including a first surface and a second surface facing each other, wherein the first surface includes a pattern having a plurality of grooves. The plurality of grooves each have a curved surface and a depth greater than a width thereof. The high refractive index pattern layer is formed of a material having a refractive index greater than 1. The optical films, and the organic light-emitting display apparatuses, further include a low refractive index pattern layer formed of a material having a refractive index smaller than the refractive index of the material constituting the high refractive index pattern layer. The low refractive index pattern layer includes a filling material for filling the plurality of grooves.

Abstract: Optical films, and organic-light-emitting display apparatuses, include a high refractive index pattern layer including a first surface and a second surface facing each other. The first surface includes a pattern having grooves. The grooves each have a curved surface and a depth greater than a width. The high refractive index pattern layer is formed of a material having a refractive index greater than 1. Further included is a low refractive index pattern layer formed of a material having a refractive index smaller than that of the material constituting the high refractive index pattern layer. The low refractive index pattern layer includes a filling material for filling grooves. A tilt angle, ?, of each groove satisfies the following condition, 15°???75°.

Abstract: Optical films, and organic-light-emitting display apparatuses, include a high refractive index pattern layer including a first surface and a second surface facing each other. The first surface includes a pattern having grooves. The grooves each have a curved surface and a depth greater than a width. The high refractive index pattern layer is formed of a material having a refractive index greater than 1. Further included is a low refractive index pattern layer formed of a material having a refractive index smaller than that of the material constituting the high refractive index pattern layer. The low refractive index pattern layer includes a filling material for filling grooves. A tilt angle, ?, of each groove satisfies the following condition, 15°???75°.

Abstract: Provided is a color improving film comprising a base layer, a high refractive light diffusion layer including an organic light diffuser on the base layer, a high refractive resin layer on the high refractive light diffusion layer, and a low refractive resin layer in which a lenticular lens pattern is formed on the high refractive resin layer, wherein the organic light diffuser comprises particles coated with a black pigment and non-coated particles, and wherein the lenticular lens pattern is formed on a surface of the low refractive resin layer facing the high refractive resin layer. According to the color improving film, a change in color sensitivity according to an angle of view is small, an external light reflectivity is low, and a light transmittivity and a light diffusibility are substantially improved. Also, the method of preparing the color improving film has excellent processiblity and economic efficiency.

Abstract: Provided are a color improving film and a method of manufacturing the color improving film. The color improving film includes a base layer, a high refractive light diffusion layer comprising a light diffuser, a high refractive resin layer, and a low refractive resin layer in which a lenticular lens pattern is formed, wherein the base layer, the high refractive light diffusion layer, the high refractive resin layer, and the low refractive resin layer are stacked, wherein the lenticular lens pattern is formed on a surface of the low refractive resin layer facing the high refractive resin layer, and a unit lenticular lens of the lenticular lens pattern is an oval lenticular lens, wherein the color improving film satisfies 0.10<?n<0.20, ?n=n1?n2, where n1 denotes a refractive index of the high refractive resin layer, and n2 denotes a refractive index of the low refractive resin layer.

Abstract: Optical films, and organic light-emitting display devices employing the same, include a high refractive index pattern layer including a lens pattern region and a non-pattern region alternately formed, wherein the lens pattern region includes a plurality of grooves each having a depth larger than a width thereof, and the non-pattern region has no pattern; and a low refractive index pattern layer formed of a material having a refractive index smaller than a refractive index of the high refractive index pattern layer, wherein the low refractive index pattern includes a plurality of filling portions filling the plurality of grooves.