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US 10,793,747 B2Granted
Hard coating composition and flexible display device including the hard coating composition
AssigneeSamsung Display Co., Ltd.
InventorsYoung-Sang Park, Ah-Ram Lee, So-Yeon Han, In-Seo Kee, Chul-Ho Jeong, Tae-Hyeog Jung
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Abstract
A coating composition includes a siloxane oligomer including an epoxy group and acryl group, a cross-linker, a polymerization initiator and a solvent.
Claims16
A display device comprising:
- a display panel;
- and
- a window member positioned on at least one surface of the display panel, wherein the window member includes a coating layer, the coating layer including a cross-linked structure of a silsesquioxane compound that includes an epoxy group and an acryl group and having an indentation hardness of about 50 MPa or more and a tensile modulus of about 4.0 GPa or less,
- wherein the coating layer includes a cross-linked structure formed from a curing reaction of a silsesquioxane compound including repeating units represented by Chemical Formulas 1, wherein an oxygen atom connected to * is connected to an adjacent Si atom in the siloxane oligomer, R1 represents an epoxy group or an alkyl group including an epoxy group, R2 represents a (meth)acryl group or an alkyl group including a (meth)acryl group, n and m independently represent a natural number, and a summation of n and m is from 6 to 100
1 more element
A display device comprising:
- a display panel;
- and
- a window member positioned on at least one surface of the display panel, wherein the window member includes a coating layer, the coating layer including a cross-linked structure of a silsesquioxane compound that includes an epoxy group and an acryl group and having an indentation hardness of about 50 MPa or more and a tensile modulus of about 4.0 GPa or less, wherein the coating layer includes a cross-linked structure formed from a curing reaction of a silsesquioxane compound including repeating units represented by Chemical Formula 5, wherein an oxygen atom connected to * is connected to an adjacent Si atom in the siloxane oligomer, R1 represents an epoxy group or an alkyl group including an epoxy group, R2 represents a (meth)acryl group or an alkyl group including a (meth)acryl group, R3 represents a fluoroalkyl group, in which at least one hydrogen atom is substituted with a fluorine atom, or a perfluoro polyether group, n, m and r independently represent a natural number, and a summation of n, m and r is from 6 to 100
A display device comprising:
- a display panel;
- and
- a window member positioned on at least one surface of the display panel, wherein the window member includes a coating layer, the coating layer including a cross-linked structure of a silsesquioxane compound that includes an epoxy group and an acryl group and having an indentation hardness of about 50 MPa or more and a tensile modulus of about 4.0 GPa or less, wherein the coating layer includes a first coating layer and a second coating layer disposed on the first coating layer,
- wherein the first coating layer includes a cross-linked structure formed from a curing reaction of a silsesquioxane compound including a repeating unit represented by Chemical Formula 8,
- wherein the second coating layer includes a cross-linked structure formed from a curing reaction of a silsesquioxane compound including a repeating unit represented by Chemical Formula 9,
- wherein an oxygen atom connected to * is connected to an adjacent Si atom in the siloxane oligomer, R1 represents an epoxy group or an alkyl group including an epoxy group, R2 represents a (meth)acryl group or an alkyl group including a (meth)acryl group, and n and m independently represent a natural number
3 more elements
A display device comprising:
- a display panel;
- and
- a window member positioned on at least one surface of the display panel, wherein the window member includes a coating layer, the coating layer including a cross-linked structure of a silsesquioxane compound that includes an epoxy group and an acryl group and having an indentation hardness of about 50 MPa or more and a tensile modulus of about 4.0 GPa or less, wherein the window member further includes a base film, wherein the coating layer includes an upper coating layer disposed on a first surface of the base film, and a lower coating layer disposed on a second surface of the base film, wherein the upper coating layer includes a first upper coating layer combined with the base film and a second upper coating layer combined with the first upper coating layer, wherein the lower coating layer includes a first lower coating layer combined with the base film and a second lower coating layer combined with the first lower coating layer, and
- wherein the first upper coating layer and the first lower coating layer include a cross-linked structure formed from a curing reaction of a silsesquioxane compound including a repeating unit represented by Chemical Formula 8,
- wherein the second upper coating layer and the second lower coating layer include a cross-linked structure formed from a curing reaction of a silsesquioxane compound including a repeating unit represented by Chemical Formula 9, p1 wherein an oxygen atom connected to * is connected to another Si atom in the siloxane oligomer, R1 represents an epoxy group or an alkyl group including an epoxy group, R2 represents a (meth)acryl group or an alkyl group containing a (meth)acryl group, and n and m independently represent a natural number
2 more elements
A display device comprising;
- a display panel;
- and
- a window member positioned on at least one surface of the display panel, wherein the window member includes a coating layer, the coating layer including a cross-linked structure of a silsesquioxane compound including repeating units having substituents, wherein each of the substituents independently includes an epoxy group or an acryl group.
Dependencies are inferred from the claim text.