Title:
LIGHT ABSORBER, PRODUCT WITH LIGHT ABSORBER, IMAGING DEVICE, AND LIGHT-ABSORBING COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/095312
Kind Code:
A1
Abstract:
In the present invention, the transmission spectrum of a light absorber 10 at an angle of incidence of 0° fulfills the following conditions. (I) The average value of the transmittance within the wavelength range of 450-600 nm is 75% or greater. (II) A first wavelength at which the transmittance is 50% within the wavelength range of 350-450 nm is 380 nm to 440 nm. (III) A second wavelength at which the transmittance is 50% within the wavelength range of 650-750 nm 680 nm to 740 nm. (IV) The maximum value of the transmittance within the wavelength range of 350-370 nm is 1% or less. (V) The maximum value of the transmittance within the wavelength range of 800-900 nm is 5% or less. (VI) The maximum value of the transmittance within the wavelength range of 1100-1200 nm is 5% or less.
Inventors:
KUBO YUICHIRO (JP)
Application Number:
PCT/JP2021/043482
Publication Date:
June 01, 2023
Filing Date:
November 26, 2021
Export Citation:
Assignee:
NIPPON SHEET GLASS CO LTD (JP)
International Classes:
G02B5/22
Domestic Patent References:
| WO2020235610A1 | 2020-11-26 |
Foreign References:
| JP2021110842A | 2021-08-02 | |||
| JP2021152612A | 2021-09-30 |
Attorney, Agent or Firm:
KAMADA Koichi et al. (JP)
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