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Title:
LIGHT-SENSITIVE POLYMER AND ALIGNMENT LAYER INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2012/044022
Kind Code:
A2
Abstract:
The present invention relates to a light-sensitive polymer and to an alignment layer including same, exhibiting superior alignment speed and alignment stability. The light-sensitive polymer comprises a ring-type olefin-based repeating unit having at least one substituted light-sensitive group, and when irradiating polarized UV light having a wavelength of 150 to 450nm with a total light amount of less than or equal to 20mJ/cm2, the maximum value of the absolute value of d(dichloric ratio)/d(mJ/cm2), which is the amount of variation of the dichloric ratio per unit light amount (mJ/cm2), is at least 0.003.

Inventors:
YOO DONG-WOO (KR)
CHUN SUNG-HO (KR)
CHOI DAI-SEUNG (KR)
Application Number:
PCT/KR2011/007061
Publication Date:
April 05, 2012
Filing Date:
September 26, 2011
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
YOO DONG-WOO (KR)
CHUN SUNG-HO (KR)
CHOI DAI-SEUNG (KR)
International Classes:
C08F32/08; C08G61/02; C08L45/00; C09K19/56; G02F1/1337
Foreign References:
US5464669A1995-11-07
JPH11181127A1999-07-06
KR20020006819A2002-01-26
KR20100021751A2010-02-26
Other References:
M. SCHADT ET AL., JPN. J. APPL. PHYS., vol. 31, 1992, pages 2155
YURIY YURIY REZNIKOV, JPN. J. N. APPL. PHYS., vol. 34, 1995, pages L1000
See also references of EP 2623527A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (649-10 Yoksam-dong, Kangnam-ku, Seoul 135-080, KR)
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Claims: