Title:
NEAR-INFRARED CUT FILTER AND IMAGING DEVICE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2022/154017
Kind Code:
A1
Abstract:
Provided is a near-infrared cut filter which has extremely small incident angle dependency and excellent oblique incident characteristics. This near-infrared cut filter comprises: a transparent base material which has a thickness of 0.16-0.26 mm and an average transmittance of 1% or less in the wavelength band of 800-1,000 nm; and a resin layer which is formed on at least one main surface of the transparent base material and absorbs light of a specific wavelength.
Inventors:
IMAI HARUNA (JP)
YAMAZAKI TAKESHI (JP)
YAMAZAKI TAKESHI (JP)
Application Number:
PCT/JP2022/000761
Publication Date:
July 21, 2022
Filing Date:
January 12, 2022
Export Citation:
Assignee:
HOYA CORP (JP)
International Classes:
B32B17/10; B32B7/023; B32B27/06; G02B5/22; G02B5/26; G02B5/28; H01L27/146
Domestic Patent References:
| WO2016114363A1 | 2016-07-21 | |||
| WO2016133099A1 | 2016-08-25 | |||
| WO2016114362A1 | 2016-07-21 | |||
| WO2020122038A1 | 2020-06-18 |
Foreign References:
| JPS5438311A | 1979-03-22 | |||
| CN110255886A | 2019-09-20 |
Attorney, Agent or Firm:
ARAKI Yoshiyuki (JP)
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