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US 10,381,595 B2Granted
Organic insulating material and flexible display including the same
AssigneeLG Display Co., Ltd.
InventorsKyungyeol Ryu, JinWuk Kim, Wy-Yong Kim
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Abstract
An organic insulating material and a flexible display device are disclosed. The organic insulating material comprises an acrylic polymer having a cinnamoyl moiety.
Claims3
An organic insulating material comprising an acrylic polymer having a cinnamoyl moiety represented by Chemical Formula 1 below and acrylic monomers consisting of BAA (Benzyl acrylic acid), MMA (Methyl methacrylate), and GMA (Glycidyl methacrylate)
- wherein the acrylic polymer is represented by Chemical Formula 2 below:
- wherein R1 is BAA, R2 is MMA, R3 is GMA, and wherein a, b, c, and d satisfy a+b+c+d=1, 0.2≤a≤0.25, 0.1≤b≤0.15, 0.2≤c≤0.25, and 0.35≤d≤0.4.
A method for fabricating an organic insulating material, the method comprising:
- forming an acrylic polymer having a cinnamoyl moiety in an organic insulating material solution, the solution comprising:
- 1-30 parts by weight of monomers;
- 65-75 parts by weight of solvent;
- and
- 0.1-5 parts by weight of photoinitiator,
- coating the organic insulating material solution on a substrate;
- and
- thermally processing the substrate,
- wherein the monomers comprises acrylic monomers consisting of BAA (Benzyl acrylic acid), MMA (Methyl methacrylate) and GMA (Glycidyl methacrylate),
- wherein the monomers comprise a monomer having the cinnamoyl moiety represented by Chemical Formula 1 below:
- wherein the acrylic polymer is represented by Chemical Formula 2 below:
- wherein R1 is BAA, R2 is MMA, R3 is GMA, and wherein a, b, c, and d satisfy a+b+c+d=1, 0.2≤a≤0.25, 0.1≤b≤0.15, 0.2≤c≤0.25, and 0.35≤d≤0.4.
9 more elements
Dependencies are inferred from the claim text.