Curable composition, film, near-infrared cut filter, solid-state imaging element, image display device, infrared sensor, and camera module

Patent metadata

Field	Value
Publication number	US-11945887-B2
Application number	US-202017119333-A
Country	US
Kind code	B2
Filing date	Dec 11, 2020
Priority date	Jul 6, 2018
Publication date	Apr 2, 2024
Grant date	Apr 2, 2024

Abstract

Provided are a curable composition including a compound represented by Formula (1) or Formula (2), a curable compound, and a solvent; a film formed of the curable composition; a near-infrared cut filter; a solid-state imaging element; an image display device; an infrared sensor; and a camera module. In the formulae, X 1 to X 5 each independently represent O, S, or a dicyanomethylene group, and R 1 to R 5 each independently represent a group represented by Formula (R2), and the like, in which at least one of R 1 or R 2 is the group represented by Formula (R2) and at least one of R 3 or R 4 is the group represented by Formula (R2).

First claim

What is claimed is:

1. A curable composition comprising:
a compound represented by Formula (1) or Formula (2);
a curable compound; and
a solvent,

in Formula (1), X 1 and X 2 each independently represent O, S, or a dicyanomethylene group, and R 1 and R 2 each independently represent an aryl group, a heterocyclic group, a group represented by Formula (R1), a group represented by Formula (R2-11), a group represented by Formula (R2-12), a group represented by Formula (R2-13), or a group represented by Formula (R2-14), in which at least one of R 1 or R 2 is the group represented by Formula (R2-11), the group represented by Formula (R2-12), the group represented by Formula (R2-13), or the group represented by Formula (R2-14),
in Formula (2), X 3 to X 5 each independently represent O, S, or a dicyanomethylene group, and R 3 and R 4 each independently represent an aryl group, a heterocyclic group, the group represented by Formula (R1), or the group represented by Formula (R2-11), a group represented by Formula (R2-12), a group represented by Formula (R2-13), or a group represented by Formula (R2-14), in which at least one of R 3 or R 4 is the group represented by Formula (R2-11), the group represented by Formula (R2-12), the group represented by Formula (R2-13), or the group represented by Formula (R2-14),

in Formula (R1), * represents a bonding hand,
Rs 1 to Rs 3 each independently represent a hydrogen atom or an alkyl group,
As 3 represents a heterocyclic group, and
n s1 represents an integer of 0 or more,
in which Rs 1 and Rs 2 may be bonded to each other to form a ring,
Rs 1 and As 3 may be bonded to each other to form a ring,
Rs 2 and Rs 3 may be bonded to each other to form a ring, and
in a case where n s1 is 2 or more, a plurality of Rs 2 's and Rs 3 's may be the same or different from each other,

where, Rt 13 to Rt 20 each independently represent a hydrogen atom or a substituent,
Rt 31 and Rt 32 each independently represent a substituent,
Y 1 represents O, S, C(═O), S(═O), or SO 2 ,
Z 1 represents O, S, or NR z1 , in which R z1 represents a hydrogen atom or a substituent,
t31 represents an integer of 0 to 4,
t32 represents an integer of 0 to 6,
in a case where t31 is 2 or more, a plurality of Rt 31 's may be the same or different from each other and two Rt 31 's of the plurality of Rt 31 's may be bonded to each other to form a ring,
in a case where t32 is 2 or more, a plurality of Rt 32 's may be the same or different from each other and two Rt 32 's of the plurality of Rt 32 's may be bonded to each other to form a ring,
n1 represents an integer of 0 to 4, and
n2 and n3 each independently represent an integer of 1 to 3, in which n2+n3 is an integer of 2 to 4.

2. The curable composition according to claim 1 ,
wherein the compound represented by Formula (1) or Formula (2) has a maximum absorption wavelength in a wavelength range of 600 to 1300 nm in a chloroform solution.

3. The curable composition according to claim 1 ,
wherein, in a case where a film having a thickness of 1.0 μm is formed using the curable composition, the film has a maximum absorption wavelength longer than a maximum absorption wavelength of the compound represented by Formula (1) or Formula (2) in a chloroform solution.

4. The curable composition according to claim 1 ,
wherein, in a case where a film having a thickness of 1.0 μm is formed using the curable composition, the film has a maximum absorption wavelength in a range of 700 to 1400 nm.

5. A film which is formed from the curable composition according to claim 1 .

6. A near-infrared cut filter comprising:
the film according to claim 5 .

7. A camera module comprising:
a solid-state imaging element; and
the near-infrared cut filter according to claim 6 .

8. A solid-state imaging element comprising:
the film according to claim 5 .

9. An image display device comprising:
the film according to claim 5 .

10. An infrared sensor comprising:
the film according to claim 5 .

Assignees

• Fujifilm Corp

Inventors

• Matsumura Tokihiko
• SAMEJIMA Suguru

Classifications

• H10F39/8063

  Microlenses · CPC title

• H10F39/8053

  Colour filters · CPC title

• H10F39/805

  Coatings · CPC title

• H10F39/182

  Colour image sensors · CPC title

• C08F20/28 Primary

  containing no aromatic rings in the alcohol moiety · CPC title