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

Patent metadata

Field	Value
Publication number	US-10947389-B2
Application number	US-201816019178-A
Country	US
Kind code	B2
Filing date	Jun 26, 2018
Priority date	Jan 29, 2016
Publication date	Mar 16, 2021
Grant date	Mar 16, 2021

Abstract

The 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

What is claimed is:

1. 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,
wherein both the first near infrared absorbing compound and the second near infrared absorbing compound are compounds 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 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, and
wherein Formula (SQ-1) of at least one of the first near infrared absorbing compound or the second near infrared absorbing compound is a compound represented by the following Formula (SQ-A),

in Formula (SQ-A), R 1 and R 2 each independently represent an alkyl group, an alkenyl group, an aryl group, or a heteroaryl group,
R 3 and R 4 each independently represent a hydrogen atom or an alkyl group,
X 1 and X 2 each independently represent an oxygen atom or —N(R 5 )—,
R 5 represents a hydrogen atom, an alkyl group, an aryl group, or a heteroaryl group,
Y 1 to Y 4 each independently represent a substituent, and Y 1 and Y 2 or Y 3 and Y 4 may be bonded to each other to form a ring,
in a case where a plurality of Y 1 's, a plurality of Y 2 's, a plurality of Y 3 's, and a plurality of Y 4 's are present, Y 1 's, Y 2 's, Y 3 's, or Y 4 's may be bonded to each other to form a ring,
p and s each independently represent an integer of 0 to 3, and
q and r each independently represent an integer of 0 to 2.

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 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.

4. The composition according to claim 1 , further comprising:
a curable compound;
a resin; and
a solvent.

5. The composition according to claim 1 , further comprising:
a chromatic colorant.

6. A film comprising:
the composition according to claim 1 .

7. A solid image pickup element comprising:
the film according to claim 6 .

8. An image display device comprising:
the film according to claim 6 .

9. An infrared sensor comprising:
the film according to claim 6 .

10. A near infrared cut filter comprising:
the composition according to claim 1 .

11. The near infrared cut filter according to claim 10 , further comprising:
a layer containing copper.

12. A laminate comprising:
the near infrared cut filter according to claim 11 ; and
a color filter that includes a chromatic colorant.

13. 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.

14. 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.

15. 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 at least one of the first near infrared absorbing compound or the second near infrared absorbing compound includes a compound represented by the following Formula (I),

in Formula (I), A 1 and A 2 each independently represent a heteroaryl group,
B 1 and B 2 each independently represent a —BR 1 R 2 group,
R 1 and R 2 each independently represent a substituent,
It′ and R 2 may be bonded to each other to form a ring,
C 1 and C 2 each independently represent an alkyl group, an aryl group, or a heteroaryl group, and
D 1 and D 2 each independently represent a substituent.

16. The composition according to claim 15 ,
wherein Formula (I) is represented by the following Formula (II) or the following Formula (III),

in Formula (II), X 1 and X 2 each independently represent 0, S, NR X1 , or CR X2 R X3 ,
R X1 to R X3 each independently represent a hydrogen atom or a substituent,
R 3 to R 6 each independently represent a hydrogen atom or a substituent,
R 3 and R 4 , or R 5 and R 6 may be bonded to form a ring,
B 1 and B 2 each independently represent a —BR 1 R 2 group,
R 1 and R 2 each independently represent a substituent,
R 1 and R 2 may be bonded to each other to form a ring,
C 1 and C 2 each independently represent an alkyl group, an aryl group, or a heteroaryl group, and
D 1 and D 2 each independently represent a substituent,
in Formula (III), Y 1 to Y 8 each independently represent N or CR Y1 ,
at least two of Y 1 , Y 2 , Y 3 , or Y 4 represent CR Y1 ,
at least two of Y 5 , Y 6 , Y 7 , or

Assignees

• Fujifilm Corp

Inventors

• Matsumura Tokihiko
• Sasaki Daisuke
• Arayama Kyohei
• Jimbo Yoshihiro
• Oota Kazuya
• Arimura Keisuke
• Okawara Takahiro

Classifications

• H10F39/8053

  Colour filters · CPC title

• H10F39/184

  Infrared image sensors · CPC title

• H10F39/157

  CCD or CID infrared image sensors · CPC title

• H10F39/80

  Constructional details of image sensors · CPC title

• G02B5/223

  containing organic substances, e.g. dyes, inks or pigments · CPC title