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Title:
POLYMERIC MATERIAL AND ELEMENT EMPLOYING THE SAME
Document Type and Number:
WIPO Patent Application WO/2007/020952
Kind Code:
A1
Abstract:
A polymeric material which comprises either a composition comprising a fluorescent conjugated polymer (A) and a phosphorescent compound (B) or a polymer having the structure of the polymer (A) and the structure of the compound (B) in the same molecule, characterized by satisfying the following requirements (1), (2), and (3). (1) The fluorescent conjugated polymer (A) has one or more luminescent peaks at wavelengths at least one of which is shorter than 500 nm. (2) The phosphorescent compound (B) has a luminescent peak at a wavelength of 500 nm or longer. (3) The ingredients (A) and (B) satisfy the following relationship: ETA-ESA0 ≥ (ETB-ESB0) - 0.2 (unit: eV) (Eq. 1) (wherein ESA0 represents the energy of the fluorescent conjugated polymer (A) in the ground state; ETA represents the energy of the fluorescent conjugated polymer (A) in the minimum excited triplet state; ESB0 represents the energy of the phosphorescent compound (B) in the ground state; and ETB represents the energy of the phosphorescent compound (B) in the minimum excited triplet state).

Inventors:
SEKINE CHIZU (JP)
AKINO YOSHIHIKO (JP)
ISHIKAWA MIHO (JP)
Application Number:
PCT/JP2006/316124
Publication Date:
February 22, 2007
Filing Date:
August 10, 2006
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
SEKINE CHIZU (JP)
AKINO YOSHIHIKO (JP)
ISHIKAWA MIHO (JP)
International Classes:
C08L65/00; C08G61/00; C08G61/10; C08K5/56; C09D11/00; C09K11/06; H01L51/50
Domestic Patent References:
WO2004113421A12004-12-29
WO2004037836A12004-05-06
Foreign References:
JP2006219663A2006-08-24
JP2006188673A2006-07-20
JP2005314505A2005-11-10
JP2005105252A2005-04-21
JP2004323823A2004-11-18
JP2004533430A2004-11-04
JP2004292546A2004-10-21
Other References:
See also references of EP 1921112A4
Attorney, Agent or Firm:
ENOMOTO, Masayuki et al. (Limited 5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 50, JP)
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