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Copolymer of (meth)acrylic ester, composition, optical element and electric member UPDATE

外国特許コード F110003555
整理番号 BE06401WO
掲載日 2011年6月29日
出願国 アメリカ合衆国
出願番号 29915706
公報番号 20090264610
公報番号 8435610
出願日 平成18年10月5日(2006.10.5)
公報発行日 平成21年10月22日(2009.10.22)
公報発行日 平成25年5月7日(2013.5.7)
国際出願番号 JP2006320360
国際公開番号 WO2007129418
国際出願日 平成18年10月5日(2006.10.5)
国際公開日 平成19年11月15日(2007.11.15)
優先権データ
  • 2006US-11299157 (2006.10.5) US
  • 2006US-60797649 (2006.5.5) US
  • 2006WO-JP320360 (2006.10.5) WO
発明の名称 (英語) Copolymer of (meth)acrylic ester, composition, optical element and electric member UPDATE
発明の概要(英語) (US8435610)
A copolymer of (meth)acrylic ester represented by a general formula (1) including a following repeating unit A and repeating unit B.
In the general formula (1), R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents an atomic group forming an aromatic ring; x represents 1 to n, n represents the number of fluorine atoms which can be contained in the aromatic ring; and a and b each independently represent an integer of 1 or more.
特許請求の範囲(英語) [claim1]
1. A liquid crystal display comprising an optical film, the optical film comprising a copolymer of (meth)acrylic ester represented by general formula (1) including the following repeating unit A and repeating unit B:
wherein R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents an atomic group forming an aromatic ring; x represents a number from 1 to n, and n represents the number of fluorine atoms which can be contained in the aromatic ring, wherein the repeating unit A is formed by methyl (meth)acrylate (MMA) and the repeating unit B is formed by pentafluorophenyl (meth)acrylate (PFPA) and the ratio of polymerization between MMA and PFPA is set such that MMA: PFPA=80 weight percent: 20 weight percent to 88 weight percent: 12 weight percent.
[claim2]
2. A phase contrast film comprising a copolymer of (meth)acrylic ester represented by general formula (1) including the following repeating unit A and repeating unit B:
wherein R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents an atomic group forming an aromatic ring; x represents a number from 1 to n, and n represents the number of fluorine atoms which can be contained in the aromatic ring, wherein the repeating unit A is formed by methyl (meth)acrylate (MMA) and the repeating unit B is formed by pentafluorophenyl (meth)acrylate (PFPA) and the ratio of polymerization between MMA and PFPA is set such that MMA: PFPA=80 weight percent: 20 weight percent to 88 weight percent: 12 weight percent.
[claim3]
3. A diffusion plate comprising a copolymer of (meth)acrylic ester represented by general formula (1) including the following repeating unit A and repeating unit B:
wherein R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents an atomic group forming an aromatic ring; x represents a number from 1 to n, and n represents the number of fluorine atoms which can be contained in the aromatic ring, wherein the repeating unit A is formed by methyl (meth)acrylate (MMA) and the repeating unit B is formed by pentafluorophenyl (meth)acrylate (PFPA) and the ratio of polymerization between MMA and PFPA is set such that MMA: PFPA=80 weight percent: 20 weight percent to 88 weight percent: 12 weight percent.
[claim4]
4. A light guide wave plate comprising a copolymer of (meth)acrylic ester represented by general formula (1) including the following repeating unit A and repeating unit B:
wherein R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents an atomic group forming an aromatic ring; x represents a number from 1 to n, and n represents the number of fluorine atoms which can be contained in the aromatic ring, wherein the repeating unit A is formed by methyl (meth)acrylate (MMA) and the repeating unit B is formed by pentafluorophenyl (meth)acrylate (PFPA) and the ratio of polymerization between MMA and PFPA is set such that MMA: PFPA=80 weight percent: 20 weight percent to 88 weight percent: 12 weight percent.
[claim5]
5. A prism sheet comprising a copolymer of (meth)acrylic ester represented by general formula (1) including the following repeating unit A and repeating unit B:
wherein R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents an atomic group forming an aromatic ring; x represents a number from 1 to n, and n represents the number of fluorine atoms which can be contained in the aromatic ring, wherein the repeating unit A is formed by methyl (meth)acrylate (MMA) and the repeating unit B is formed by pentafluorophenyl (meth)acrylate (PFPA) and the ratio of polymerization between MMA and PFPA is set such that MMA: PFPA=80 weight percent: 20 weight percent to 88 weight percent: 12 weight percent.
[claim6]
6. A light emitting diode (LED) comprising an optical film, the optical film comprising a copolymer of (meth)acrylic ester represented by general formula (1) including the following repeating unit A and repeating unit B:
wherein R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents an atomic group forming an aromatic ring; x represents a number from 1 to n, and n represents the number of fluorine atoms which can be contained in the aromatic ring, wherein the repeating unit A is formed by methyl (meth)acrylate (MMA) and the repeating unit B is formed by pentafluorophenyl (meth)acrylate (PFPA) and the ratio of polymerization between MMA and PFPA is set such that MMA: PFPA=80 weight percent: 20 weight percent to 88 weight percent: 12 weight percent.
  • 発明者/出願人(英語)
  • KOIKE YASUHIRO
  • OKAMOTO YOSHIYUKI
  • TAGAYA AKIHIRO
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
国際特許分類(IPC)
米国特許分類/主・副
  • C08F220/18
  • C08F220/24
参考情報 (研究プロジェクト等) ERATO/SORST Photonics polymer for "Fiber To The Display" AREA
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