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)
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:
Assignee:
KOLON INC (KR)
CHOI JIN SIK (KR)
CHAE HEON SEUNG (KR)
LEE DONG HEE (KR)
SONG MIN KYOUNG (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:
JP2009178941A | 2009-08-13 | |||
KR20080027203A | 2008-03-26 | |||
KR100883765B1 | 2009-02-18 | |||
KR20090057543A | 2009-06-08 |
Attorney, Agent or Firm:
KONG, Min Ho et al. (KR)
공민호 (KR)
공민호 (KR)
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