Title:
NEAR INFRARED ABSORBING MATERIAL
Document Type and Number:
Japanese Patent JP2007111940
Kind Code:
A
Abstract:
To obtain an infrared absorbing material which simultaneously satisfies high visible transmittance and high near infrared absorption performance and is reduced in near infrared absorption degradation and lightfastness degradation even when stored in high humidity.
In the near infrared absorbing material, at least one near infrared absorption layer is provided on a support, the near infrared absorption layer contains a compound indicating the maximum wavelength in a range of 750-1,100 nm, and the near infrared absorption layer or a layer adjoining the near infrared absorption layer contains a dihydroxy benzene derivative or a pyrazolidone derivative.
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Inventors:
HANIYU TAKESHI
TAKEYAMA TOSHIHISA
MORITA SEIWA
ADACHI HITOSHI
ITAYA KEIKO
TAKEYAMA TOSHIHISA
MORITA SEIWA
ADACHI HITOSHI
ITAYA KEIKO
Application Number:
JP2005304217A
Publication Date:
May 10, 2007
Filing Date:
October 19, 2005
Export Citation:
Assignee:
KONICA MINOLTA MED & GRAPHIC
International Classes:
B32B27/18; C09K3/00; G02B1/11; G02B5/22