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US 10,370,558 B2Granted
Hard coating composition and hard coating film using the same
AssigneeDongwoo Fine-Chem Co., Ltd.
InventorsSeungwoo Lee, Min Kyung Kang, Seunghee Kim
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Abstract
The present invention provides a hard coating composition comprising a dendrimer compound having a terminal (meth)acrylate group, a polyhedral oligomeric silsesquioxane compound, a photoinitiator and a solvent; a hard coating film formed using the same; and an image display device having the hard coating film. The hard coating film according to the present invention can minimize the occurrence of curling while having excellent hardness, scratch resistance and bending resistance.
Claims15
A hard coating composition comprising:
- a dendrimer compound having a terminal (meth)acrylate group, a polyhedral oligomeric silsesquioxane compound, a photoinitiator and a solvent, wherein the dendrimer compound having a terminal (meth)acrylate group includes a compound represented by the following chemical formula 1:
- [R1]4-n—C—[R2—OR3]n [Chemical Formula 1]
- wherein,
- R1 is C1-C6 alkyl group,
- R2 is C1-C6 alkylene group,
- R3 is a (meth)acryloyl group or
- and at least one R3 is
- R4 is a (meth)acryloyl group or
- and at least one R4 is
- R5 is a (meth)acryloyl group or
- R6 is a (meth)acryloyl group,
- n is an integer of 2 to 4, and
- m, x and y are an integer of 2 or 3.
10 more elements
Dependencies are inferred from the claim text.