Composition, film, near infrared cut filter, laminate, pattern forming method, solid image pickup element, image display device, infrared sensor, and color filter

US11518833B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11518833-B2
Application numberUS-202117157195-A
CountryUS
Kind codeB2
Filing dateJan 25, 2021
Priority dateJan 29, 2016
Publication dateDec 6, 2022
Grant dateDec 6, 2022

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A composition includes two or more near infrared absorbing compounds having an absorption maximum in a wavelength range of 650 to 1000 nm and having a solubility of 0.1 mass % or lower in water at 23° C., in which the two or more near infrared absorbing compounds include a first near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm, and a second near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm which is shorter than the absorption maximum of the first near infrared absorbing compound, and a difference between the absorption maximum of the first near infrared absorbing compound and the absorption maximum of the second near infrared absorbing compound is 1 to 150 nm.

First claim

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What is claimed is: 1. A composition comprising: three or more near infrared absorbing compounds having an absorption maximum in a wavelength range of 650 to 1000 nm and having a solubility of 0.1 mass % or lower in water at 23° C., wherein at least three of the three or more near infrared absorbing compounds are each independently selected from the group consisting of a pyrrolopyrrole compound, a squarylium compound, a phthalocyanine compound, a naphthalocyanine compound, and a rylene compound, and wherein the three or more near infrared absorbing compounds include a first near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm, and a second near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm which is shorter than the absorption maximum of the first near infrared absorbing compound, a difference between the absorption maximum of the first near infrared absorbing compound and the absorption maximum of the second near infrared absorbing compound is 1 to 150 nm, and a content of the second near infrared absorbing compound is 30 to 200 parts by mass with respect to 100 parts by mass of the first near infrared absorbing compound, provided that, among the three or more near infrared absorbing compounds, a near infrared absorbing compound having a longest absorption maximum in a wavelength range of 650 to 1000 nm is the first near infrared absorbing compound, and all near infrared absorbing compounds having an absorption maximum which is shorter than the absorption maximum of the first near infrared absorbing compound are the second near infrared absorbing compound. 2. The composition according to claim 1 , wherein in each of the first near infrared absorbing compound and the second near infrared absorbing compound, a ratio A1/A2 of an absorbance A1 at a wavelength of 500 nm to an absorbance A2 at the absorption maximum is 0.04 or lower. 3. The composition according to claim 1 , wherein at least three of the three or more near infrared absorbing compounds are each independently selected from the group consisting of a pyrrolopyrrole compound, a squarylium compound, and a phthalocyanine compound. 4. The composition according to claim 1 , wherein the first near infrared absorbing compound and the second near infrared absorbing compound have a common colorant skeleton. 5. The composition according to claim 1 , wherein at least three of the three or more near infrared absorbing compounds are each independently a pyrrolopyrrole compound. 6. The composition according to claim 1 , wherein at least three of the three or more near infrared absorbing compounds are each independently a squarylium compound. 7. The composition according to claim 1 , wherein a difference between the absorption maximum of the first near infrared absorbing compound and the absorption maximum of the second near infrared absorbing compound is 1 to 90 nm. 8. The composition according to claim 1 , further comprising: a curable compound. 9. The composition according to claim 1 , further comprising: a resin; and a solvent. 10. The composition according to claim 1 , further comprising: a chromatic colorant. 11. A film comprising: the composition according to claim 1 . 12. A solid image pickup element comprising: the film according to claim 11 . 13. An image display device comprising: the film according to claim 11 . 14. An infrared sensor comprising: the film according to claim 11 . 15. A near infrared cut filter comprising: the composition according to claim 1 . 16. The near infrared cut filter according to claim 15 , further comprising: a layer containing copper. 17. A laminate comprising: the near infrared cut filter according to claim 15 ; and a color filter that includes a chromatic colorant. 18. A pattern forming method comprising: forming a composition layer on a support, the composition layer including the composition according to claim 1 ; and forming a pattern on the composition layer using a photolithography method or a dry etching method. 19. A color filter comprising: a pixel that includes the composition according to claim 1 ; and a pixel selected from the group consisting of a red pixel, a green pixel, a blue pixel, a magenta pixel, a yellow pixel, a cyan pixel, a black pixel, and an achromatic pixel. 20. The composition according to claim 1 , further comprising: a compound having an epoxy group, wherein a weight-average molecular weight of the compound having an epoxy group is 200 to 100,000. 21. The composition according to claim 1 , wherein at least one of the three or more near infrared absorbing compounds is a compound represented by the following Formula (SQ-1), in Formula (SQ-1), a ring A and a ring B each independently represent an aromatic ring, X A and X B each independently represent —OH, —SH, —COOH, —SO 3 H, —NHR x1 , —NR x1 R x2 , —CONR x1 R x2 , —NHCONR x1 R x2 , —NHCOOR x1 , —NHSO 2 R x1 , —B(OH) 2 , —PO(OH) 3 , or —NHBR x1 R x2 , and R x1 and R x2 each independently represent a substituent, G A and G B each independently represent a substituent, kA represents an integer of 0 to nA, and kB represents an integer of 0 to nB, nA represents an integer representing the maximum number of G A 's which may be substituted in the ring A, and nB represents an integer representing the maximum number of G B 's which may be substituted in the ring B, X A and G A , or X B and G B may be bonded to each other to form a ring, and in a case where a plurality of G A 's and a plurality of G B 's are present, G A 's or G B 's may be bonded to each other to form a ring. 22. A composition comprising: two or more near infrared absorbing compounds having an absorption maximum in a wavelength range of 650 to 1000 nm and having a solubility of 0.1 mass % or lower in water at 23° C., wherein the two or more near infrared absorbing compounds include a first near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm, and a second near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm which is shorter than the absorption maximum of the first near infrared absorbing compound, and a difference between the absorption maximum of the first near infrared absorbing compound and the absorption maximum of the second near infrared absorbing compound is 1 to 150 nm, and wherein the first near infrared absorbing compound and the second near infrared absorbing compound are each independently a compound represented by the following Formula (SQ-1), in Formula (SQ-1), a ring A and a ring B each independently represent an aromatic ring, X A and X B each independently represent —OH, —SH, —COOH, —SO 3 H, —NHR x1 , —NR x1 R x2 , —CONR x1 R x2 , —NHCONR x1 R x2 , —NHCOOR x1 , —NHSO 2 R x1 , —B(OH) 2 , —PO(OH) 3 , or —NHBR x1 R x2 , and R x1 and R x2 each independently represent a substituent, G A and G B each independently represent a substituent, kA represents an integer of 0 to nA, and kB represents an integer of 0 to nB, nA represents an integer representing the maximum

Assignees

Inventors

Classifications

  • Absorbing filters {(G02B5/201 - G02B5/208 take precedence)} · CPC title

  • the polymethine chain being part of a carbocyclic ring,(e.g. benzene, naphtalene, cyclohexene, cyclobutenene-quadratic acid) · CPC title

  • C7-(meth)acrylate, e.g. heptyl (meth)acrylate or benzyl (meth)acrylate · CPC title

  • Diketopyrrolopyrrole dyes · CPC title

  • C3-(meth)acrylate, e.g. (iso)propyl (meth)acrylate · CPC title

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What does patent US11518833B2 cover?
A composition includes two or more near infrared absorbing compounds having an absorption maximum in a wavelength range of 650 to 1000 nm and having a solubility of 0.1 mass % or lower in water at 23° C., in which the two or more near infrared absorbing compounds include a first near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm, and a second n…
Who is the assignee on this patent?
Fujifilm Corp
What technology area does this patent fall under?
Primary CPC classification C08F220/1803. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Dec 06 2022 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 11 related publications on this page (citations in our corpus or others sharing the same primary CPC).