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Title:
INFRARED SHIELDING FILTER, SOLID-STATE IMAGING ELEMENT, AND IMAGING/DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/168190
Kind Code:
A1
Abstract:
An infrared shielding filter is provided with an infrared absorption layer formed from a transparent resin that includes infrared absorbing bodies and a selective wavelength shielding layer laminated on this infrared absorption layer, and satisfies the following requirements. (i) In a spectral transmittance curve for an incident angle of 0°, an average transmittance of 80% or greater for wavelengths of 450 - 600 nm, a transmittance of 2.0% or less for wavelengths of 700 - 1200 nm, and transmittance variation D0 given by the following equation of less than 0.04, D0(%/nm) = (Tmax∙0 − Tmin∙0)/(λ(Tmax∙0) − λ(Tmin∙0)) (ii) In a spectral transmittance curve for an incident angle of 30°, an average transmittance of 80% or greater for wavelengths of 450 - 600 nm, a transmittance of 2.0% or less for wavelengths of 700 - 1200 nm, and transmittance variation D30 given by the following equation of less than 0.04. D30(%/nm) = (Tmax∙30 − Tmin∙30)/(λ(Tmax∙30) − λ(Tmin∙30))

Inventors:
YAMAMOTO KYOKO (JP)
MURAKAMI TAKAAKI (JP)
TATEMURA MITSUYUKI (JP)
KUMAI HIROSHI (JP)
Application Number:
PCT/JP2014/060344
Publication Date:
October 16, 2014
Filing Date:
April 09, 2014
Export Citation:
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Assignee:
ASAHI GLASS CO LTD (JP)
International Classes:
G02B5/28; C09B57/10; C09K3/00; G02B5/22; H01L27/14; H04N5/238; H04N9/07
Domestic Patent References:
WO2013042738A12013-03-28
Foreign References:
JP2012185468A2012-09-27
JP2012137649A2012-07-19
JP2013050593A2013-03-14
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, p. c. (JP)
Patent business corporation cherry tree international patent firm (JP)
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