Coloring composition, film, color filter, pattern forming method, method of manufacturing color filter, solid image pickup element, and infrared sensor
US-2017023858-A1 · Jan 26, 2017 · US
Structure, solid image pickup element, infrared sensor, and composition
US11698479B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11698479-B2 |
| Application number | US-201916385531-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 16, 2019 |
| Priority date | Nov 18, 2016 |
| Publication date | Jul 11, 2023 |
| Grant date | Jul 11, 2023 |
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- Title
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Abstract
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A structure includes: a near infrared transmitting filter that shields light in a visible range and allows transmission of at least a part of light in a near infrared range; and a member that is provided on an optical path of the near infrared transmitting filter on at least one of an incidence side into the near infrared transmitting filter or an emission side from the near infrared transmitting filter, allows transmission of light in a near infrared range, and has a refractive index of 1.7 or higher for the light in the near infrared range.
First claim
Opening claim text (preview).
What is claimed is: 1. A structure comprising: a near infrared transmitting filter that shields light in a visible range and allows transmission of at least a part of light in a near infrared range; and a member that is provided on an optical path of the near infrared transmitting filter on at least one of an incidence side into the near infrared transmitting filter or an emission side from the near infrared transmitting filter, allows transmission of light in a near infrared range, and has a refractive index of 1.7 or higher for the light in the near infrared range, wherein the member is for a concave lens or a convex lens, the member allows transmission of at least light having a wavelength of 810 nm and has a refractive index of 1.7 or higher for light having a wavelength of 810 nm, the member includes particles formed of one or more of the group of Ge, εFe 2 O 3 , BaFe, SrFe, a phthalocyanine compound, and a naphthalocyanine compound, and the near infrared transmitting filter is a filter that allows transmission of at least light having a wavelength of 810 nm. 2. The structure according to claim 1 , wherein the near infrared transmitting filter is a filter that allows transmission of at least a part of light in a wavelength range of 800 nm to 2000 nm. 3. The structure according to claim 1 , wherein the near infrared transmitting filter is a filter that allows transmission of at least light having a wavelength of 940 nm, and the member allows transmission of at least light having a wavelength of 940 urn and has a refractive index of 1.7 or higher for light having a wavelength of 940 nm. 4. The structure according to claim 1 , wherein the near infrared transmitting filter is a filter that allows transmission of at least light having a wavelength of 850 nm, and the member allows transmission of at least light having a wavelength of 850 um and has a refractive index of 1.7 or higher for light having a wavelength of 850 nm. 5. The structure according to claim 1 , wherein in the member, B/A which is a ratio of a maximum value B of an absorbance in a wavelength range of 400 nm or longer and shorter than 800 nm to a maximum value A of an absorbance in a wavelength range of 800 nm to 2000 nm is 1.0 or higher. 6. The structure according to claim 1 , wherein the member is provided on the incidence side of the near infrared transmitting filter. 7. The structure according to claim 1 , wherein the particles are formed of the phthalocyanine compound. 8. The structure according to claim 1 , wherein the member further includes a resin. 9. The structure according to claim 1 , further comprising: a color filter that includes a chromatic colorant. 10. A solid image pickup element comprising: the structure according to claim 1 . 11. An infrared sensor comprising: the structure according to claim 1 . 12. A structure comprising: a near infrared transmitting filter that shields light in a visible range and allows transmission of at least a part of light in a near infrared range; and a member that is provided on an optical path of the near infrared transmitting filter on at least one of an incidence side into the near infrared transmitting filter or an emission side from the near infrared transmitting filter, allows transmission of light in a near infrared range, and has a refractive index of 1.7 or higher for the light in the near infrared range, wherein the member is for a concave lens or a convex lens, the member allows transmission of at least light having a wavelength of 940 nm and has a refractive index of 1.7 or higher for light having a wavelength of 940 nm, the member includes particles formed of one or more of the group of Ge, εFe 2 O 3 , BaFe, SrFe, a phthalocyanine compound, and a naphthalocyanine compound, and the near infrared transmitting filter is a filter that allows transmission of at least light having a wavelength of 940 nm. 13. A structure comprising: a near infrared transmitting filter that shields light in a visible range and allows transmission of at least a part of light in a near infrared range; and a member that is provided on an optical path of the near infrared transmitting filter on at least one of an incidence side into the near infrared transmitting filter or an emission side from the near infrared transmitting filter, allows transmission of light in a near infrared range, and has a refractive index of 1.7 or higher for the light in the near infrared range, wherein the member is for a concave lens or a convex lens, and the member includes particles formed of a phthalocyanine compound.
Assignees
Inventors
Classifications
Electricity · mapped topic
Filters (polarising elements G02B5/30) · CPC title
Simple or compound lenses · CPC title
Electricity · mapped topic
- G02B5/22Primary
Absorbing filters {(G02B5/201 - G02B5/208 take precedence)} · CPC title
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Frequently asked questions
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- What does patent US11698479B2 cover?
- A structure includes: a near infrared transmitting filter that shields light in a visible range and allows transmission of at least a part of light in a near infrared range; and a member that is provided on an optical path of the near infrared transmitting filter on at least one of an incidence side into the near infrared transmitting filter or an emission side from the near infrared transmitti…
- Who is the assignee on this patent?
- Fujifilm Corp
- What technology area does this patent fall under?
- Primary CPC classification G02B5/22. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jul 11 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).