PHTHALOCYANINE COMPOUNDS AND NEAR INFRARED-ABSORBING FILTERS USING SAME

Title:

PHTHALOCYANINE COMPOUNDS AND NEAR INFRARED-ABSORBING FILTERS USING SAME

Document Type and Number:

WIPO Patent Application WO/2011/074886

Kind Code:

A3

Abstract:

Disclosed are novel phthalocyanine compounds and near-infrared absorbing filters utilizing same, which demonstrate high absorption efficiency in the near infrared region (particularly in the 750 to 1100 nm region) and low contrast light absorption in the visible region. The phthalocyanine compounds are represented in Claim 1 by Formula 1.

Inventors:

KANG JU-SIK (KR)
PARK JEONG-HO (KR)
CHANG YU-MI (KR)

Application Number:

PCT/KR2010/009009

Publication Date:

November 24, 2011

Filing Date:

December 16, 2010

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Assignee:

SK CHEMICALS CO LTD (KR)
KANG JU-SIK (KR)
PARK JEONG-HO (KR)
CHANG YU-MI (KR)

International Classes:

C07F9/00; C07F1/08; G02B5/22

Domestic Patent References:

WO2008097029A1	2008-08-14
WO2006025673A1	2006-03-09

Foreign References:

KR100764589B1	2007-10-08
JP2006184828A	2006-07-13
JP2000121807A	2000-04-28

Attorney, Agent or Firm:

LEE, Sang-Hun (Yeong-Won Bldg. Suite 503739-5, Yeoksam-Dong,Gangnam-Gu, Seoul 135-924, KR)

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