Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Cheil Industries Inc.

Corning Precision Materials Co., Ltd.

Chulho Jeong

Youngsang Park

Young Oh

Sungguk An

Hongshik Shim

Inseo Kee

Hyunmin Kim

Eunyoung Cho

Youmin Shin

Ahyoung Kim

Jihyuk Im

Soojung Lee

Sunghoon Kim

Jangdoo Lee

Youngdo Kim

Kyu-taek Lee

Young-Shin Pyo

Hwal Choi

HungKun Ahn

Inseok Seo

Jungho Park

A display device including a display area and a foldable area includes a digitizer, and a display panel arranged on the digitizer, wherein the digitizer includes a first digitizer layer, and a second digitizer layer arranged on the first digitizer layer to be in contact with the first digitizer layer, and wherein the first digitizer layer includes a first layer including a polyimide material, and a plurality of first wires arranged on the first layer to be directed in a first direction and including a graphene material, and the second digitizer layer includes a second layer including a polyimide material, and a plurality of second wires arranged on the second layer to be directed in a second direction crossing the first direction and including a graphene material.

Display device and method of manufacturing the same

A display device includes a display module and a window panel disposed on an upper portion of the display module. The window panel includes a base film, and a functional layer disposed on an upper portion of the base film and having a hard coating agent and an anti-static agent.

Display device

A window member according to an embodiment of the inventive concept includes a first base member having a first thickness, a first impact absorbing layer disposed on one surface of the first base member and having a storage modulus less than that of the first base member and a second thickness, a first hard coating layer disposed on the first impact absorbing layer, and a second hard coating layer disposed on the other surface that is opposite to the one surface of the first base member. Here, a ratio of the second thickness to the first thickness is equal to or greater than about 1.0 and equal to or less than about 1.67. The first base member is bent with respect to a bending axis extending in one direction.

Window member and display device including the same

A flexible display device includes a hard coating layer, the hard coating layer including hard coating oligomers, cross-linking oligomers that couple the hard coating oligomers, and a photoinitiator, the cross-linking oligomers being synthesized by catalytically reacting cross-linking monomers. The hard coating layer may include long cross-linking oligomers that improve the flexibility of the hard coating layer, and damage to the hard coating layer may be prevented or reduced even when the flexible display device is bent.

Flexible display device and method for preparing hard coating polymer of same

A flexible display device including a hard coating layer, the hard coating layer containing first hard coating oligomers, second hard coating oligomers having greater molecular weights than the first hard coating oligomers, a cross-linker, and a photoinitiator. The first hard coating oligomers may maintain the hardness of the hard coating layer and the second hard coating oligomers may improve the flexibility of the hard coating layer, such that damage to the hard coating layer may be prevented or reduced even when the flexible display device is bent.

Flexible display device, method for fabricating window member of same, and hard coating composition

An optical film includes a high refractive index pattern layer including a material having a refractive index greater than about 1, wherein a groove pattern defined by grooves, each of which has a curved groove surface and a depth greater than a width, is defined on a first surface of the high refractive index pattern, the grooves are two-dimensionally arranged in a first direction and a second direction, and a cross-sectional shape of each of the grooves has an anisotropic shape, in which a length in a first axial direction and a length in a second axial direction, which is perpendicular to the first axial direction, are different from each other, and a low refractive index pattern layer including a material having a refractive less than the refractive index of the high refractive index pattern layer and further including fillers corresponding to the grooves.

Optical film for reducing color shift and organic light-emitting display device employing the same

An optical film includes: a high refractive index pattern layer including a material having a refractive index greater than about 1, where a plurality of grooves, each having a curved groove surface and a depth greater than a width thereof, is defined on a first surface of the high refractive index pattern layer, the plurality of grooves defines a pattern, the plurality of grooves are two-dimensionally arranged in a first direction and a second direction, and a first distance between adjacent grooves in the first direction and a second distance between adjacent grooves in the second direction are different from each other; and a low refractive index pattern layer including a material having a refractive index less than the refractive index of the high refractive index pattern layer and further including a plurality of fillers which fills the plurality of grooves, respectively.

A flexible display device includes a display module and a window member disposed on the display module. The window member includes a base film, elastomer patterns disposed on one surface of the base film, and a hard coating layer disposed on the one surface of the base film to cover the elastomer patterns.

Elastomer patterns for a flexible display device

A method of evaluating an image blur of an optical film includes displaying a test pattern by driving an organic light-emitting display apparatus including the optical film, obtaining an image by capturing the test pattern using a digital camera, obtaining a spatial luminance distribution from the image, transforming the spatial luminance distribution into a sensation curve, and estimating a blur width from the sensation curve, where the blur width is a distance between peaks having negative minimum values, from among a plurality of peaks of the sensation curve.

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Seoul, South Korea

Chulho Jeong