Retardation film and a liquid-crystal display device comprising the same
AssigneeLG Chem, Ltd.
InventorsByoung-Kue Chun, Chang-Hun Han, Byoung-ll Kang, Su-Kyung Kim, Da-Eun Sung
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Abstract
The present invention relates to a retardation film that comprises a blend resin of 1) an acryl-based copolymer resin that comprises an alkyl methacrylate-based monomer and a cycloalkyl methacrylate-based monomer, and 2) a resin that comprises an aromatic ring or aliphatic ring in a polymer main chain, a method for manufacturing the retardation film, and a liquid crystal display device that comprises the retardation film. The retardation film according to the present invention has excellent heat resistance, optical transparency, mechanical strength, and durability.
Claims18
A retardation film comprising:
- a blend resin of
- 1) an acryl-based copolymer resin that comprises an alkyl methacrylate-based monomer and a cycloalkyl methacrylate-based monomer, and
- 2) a resin that comprises an aromatic ring or aliphatic ring in a polymer main chain.
A method for manufacturing a retardation film, the method comprising the steps of:
- 1) preparing a blend resin composition that comprises an acryl-based copolymer resin comprising an alkyl methacrylate-based monomer and a cycloalkyl methacrylate-based monomer, and a resin that comprises an aromatic ring or aliphatic ring in a polymer main chain;
- and
- 2) molding the film by using the resin composition.
Dependencies are inferred from the claim text.