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Title:
RETARDATION FILM
Document Type and Number:
WIPO Patent Application WO/2013/176317
Kind Code:
A1
Abstract:
The present invention relates to a retardation film, and particularly, provides a retardation film that is useful for a 1/2λ plate as well as a 1/4λ plate and has good transparency, wherein the retardation film comprises a cyclo olefin polymer obtained by hydrogenating ring-opening polymerized polymers that are ring-opening polymerized from a mixture of tetracyclododecene derivatives and dicyclopentadiene.

Inventors:
CHOI JIN SIK (KR)
CHAE HEON SEUNG (KR)
LEE DONG HEE (KR)
SONG MIN KYOUNG (KR)
Application Number:
PCT/KR2012/004132
Publication Date:
November 28, 2013
Filing Date:
May 24, 2012
Export Citation:
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Assignee:
KOLON INC (KR)
CHOI JIN SIK (KR)
CHAE HEON SEUNG (KR)
LEE DONG HEE (KR)
SONG MIN KYOUNG (KR)
International Classes:
C08J5/18; C08F32/08; C08G61/02; C08L65/00; G02B5/30
Foreign References:
JP2009178941A2009-08-13
KR20080027203A2008-03-26
KR100883765B12009-02-18
KR20090057543A2009-06-08
Attorney, Agent or Firm:
KONG, Min Ho et al. (KR)
공민호 (KR)
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