Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Solip Tech Co., Ltd.

Min Hye Kim

Kyoung Ku Kang

Dong Il Han

Chang Soo Woo

Seung Woo Jang

Ji Sun Im

Ji Hwan Park

Sung Han Kim

Se Hyun Park

Jung Hyo Lee

Si Kyun Park

Jin Hee Choi

Seong Heun Cho

Eun Su Lee

Yong Woon Kim

Nak Hyun Sung

Provided are a flexible window film and a display apparatus comprising same, the flexible window film having a substrate layer, a buffer layer and a hard coating layer that are sequentially layered, wherein the buffer layer comprises, in a thickness direction, a first area in which the amount of an amide group gradually increases from the interface between the hard coating layer and the buffer layer, and a second area in which the amount of an amide group gradually decreases from the interface between the substrate layer and the buffer layer.

Flexible window film and display apparatus comprising same

Provided are a window film composition, a flexible window film formed therefrom and a flexible display device containing the same, the composition comprising: a crosslinking agent represented by RX-X&#x2014;Z&#x2014;Y-RY (RX and RY each independently represent a glycidyl group, a glycidyl group-containing functional group, an alicyclic epoxy group or an alicyclic epoxy group-containing functional group); an epoxy group-containing siloxane resin; and an initiator.

Window film composition, flexible window film formed therefrom and flexible display device containing same

Provided are: a composition for a window film, containing a silicone resin comprising chemical formula 1 below, a cross-linking agent, and an initiator; a window film formed therefrom; and a flexible display device comprising the same. (R1SiO)(SiO-Q-SiO)(RSiO)(In chemical formula 1, R1 and R2 are each independently a cycloaliphatic epoxy group, a cycloaliphatic epoxy group-containing functional group, a glycidyl group, or a glycidyl group-containing functional group; Q is R3 or -A1-T-A2-; R3 is a substituted or unsubstituted C1 to C10 alkylene group, or a substituted or unsubstituted C6 to C30 arylene group; A1 and A2 are each independently a single bond, or a substituted or unsubstituted C1 to C5 alkylene group; T is a mono- or polyalkylene oxide group, or an imide group-containing functional group; and 0&#x3c;x&#x3c;1, 0&#x3c;y&#x3c;1, 0&#x2264;z&#x3c;1, and x+y+z=1.

Composition for window film, flexible window film formed therefrom, and flexible display device comprising same

A composition for a window film including a first silicon resin including a compound represented by Formula 1; a second silicon resin including a crosslinkable functional group and at least one of a Q unit and a bridge unit; a crosslinking agent; and an initiator, a flexible window film formed therefrom, and a flexible display device including the same are disclosed.

Provided are: a composition for a window film, containing a siloxane resin including chemical formula 1, a cross-linking agent, and an initiator; a flexible window film formed therefrom; and a flexible display device including the same.

Provided are a composition for a window film, a flexible window film formed therefrom, and a flexible display device comprising same, the composition for a window film comprising: a first silicone resin comprising chemical formula 1; a second silicone resin containing a crosslinkable functional group and one or more among a Q unit and a bridge unit; a crosslinking agent; and an initiator. (RSiO)([RRSiO])(RRSiO)(RRRSiO)(where Ris a crosslinkable functional group; Rand Rare each independently a methyl group; R4 and R5 are each independently hydrogen, a crosslinkable functional group, an unsubstituted or substituted C1-C20 alkyl group, or an unsubstituted or substituted C5-C20 cycloalkyl group; R6, R7, and R8 are each independently hydrogen, a crosslinkable functional group, an unsubstituted or substituted C1-C20 alkyl group, an unsubstituted or substituted C5-C20 cycloalkyl group, or an unsubstituted or substituted C6-C30 aryl group; n is an integer from 7 to 100; 0&#x3c;x&#x3c;1, 0.01&#x2264;y&#x2264;0.6, 0&#x2264;z&#x3c;1, 0&#x2264;w&#x3c;1, and x+y+z+w=1.

Provided are a composition for a window film, a flexible window film formed therefrom, and a flexible display device comprising the same, wherein the composition for a window film, contains: (1) a siloxane resin comprising (RSiO)(RSiO)(wherein, Ris a cross-linkable functional group, Ris a UV absorbing functional group or a UV absorbing functional group-containing group, and 0&#x3c;x&#x3c;1, 0&#x3c;y&#x3c;1, x+y=1) and (2) an initiator.

A composition for a window film includes a siloxane resin represented by Formula 1, and an initiator. A flexible window film is manufactured using the same, and has a pencil hardness of about 7H or higher, a radius of curvature of about 5.0 mm or lower, and a difference in yellow index before and after irradiation (&#x394;Y.I.) of about 5.0 or less. A flexible display includes the flexible window film.(RSiO)(RRSiO)&#x2003;&#x2003;Formula 1

Composition for window film, flexible window film manufactured using the same and flexible display including the same

A composition for a window film includes a siloxane resin represented by Formula 1, 4 or 7, or a mixture thereof, and an initiator. A flexible window film is manufactured using the same, and has a pencil hardness of about 7H or higher, a radius of curvature of about 5.0 mm or less, and a difference in yellow index before and after irradiation (&#x394;Y.I.) of about 5.0 or less. A flexible display includes the flexible window film.(RSiO)(RRSiO)&#x2003;&#x2003;Formula 1(RSiO)(RSiO)&#x2003;&#x2003;Formula 4(RSiO)(RRSiO)(RSiO)&#x2003;&#x2003;Formula 7

The present invention relates to a thermal transfer film and to an organic electroluminescent device prepared using same, wherein the thermal transfer film includes a base film and an outermost layer which is formed on the base film and has 2% or more of a thickness change ratio expressed by formula 1.

Growing community of inventors

Suwon-si, South Korea

Min Hye Kim