Structure, composition for forming near-infrared transmitting filter layer, and optical sensor

1. A structure comprising:

a support;

a partition wall provided on the support; and

a near-infrared transmitting filter layer provided in a region partitioned by the partition wall, that shields visible light and transmits at least a portion of near-infrared light,

wherein the refractive index of the partition wall is smaller than the refractive index of the near-infrared transmitting filter layer structure at at least a portion of the wavelengths of the near-infrared light transmitted by the near-infrared transmitting filter layer, and

wherein the partition wall includes at least one selected from silica particles, a siloxane resin, a fluorine resin, or silicon dioxide.

2. The structure according to claim 1 ,

wherein the refractive index of the partition wall is smaller than the refractive index of the near-infrared transmitting filter layer by 0.2 or more at at least a portion of the wavelengths of the near-infrared light transmitted by the near-infrared transmitting filter layer.

3. The structure according to claim 1 ,

wherein the refractive index of the partition wall is smaller than the refractive index of the near-infrared transmitting filter layer at an entire wavelength in a wavelength range of 700 to 1,000 nm.

4. The structure according to claim 1 ,

wherein a maximum value of the refractive index with respect to light in a wavelength range of 700 to 1,000 nm of the partition wall is 1.4 or less.

5. The structure according to claim 1 ,

wherein a maximum value of the refractive index with respect to light in a wavelength range of 400 to 1,000 nm of the partition wall is 1.4 or less.

6. The structure according to claim 1 , further comprising a protective layer on a surface of the partition wall.

7. The structure according to claim 1 ,

wherein the structure has a plurality of regions partitioned by partition walls on the support, a near-infrared transmitting filter layer is provided in at least one region of the regions partitioned by the partition walls, and at least one layer selected from a color filter layer or a near-infrared shielding filter layer is provided in at least one region of the remaining regions partitioned by the partition walls.

8. The structure according to claim 1 ,

wherein a content of the color material included in the near-infrared transmitting filter layer is 50% to 75% by mass.

9. A composition for forming a near-infrared transmitting filter layer, comprising:

a color material; and

a curable compound,

wherein the composition is used for the formation of the near-infrared transmitting filter layer in the structure according to claim 1 .

10. An optical sensor comprising the structure according to claim 1 .

11. A structure comprising:

a support;

a partition wall provided on the support;

a protective layer on a surface of the partition wall; and

a near-infrared transmitting filter layer provided in a region partitioned by the partition wall, that shields visible light and transmits at least a portion of near-infrared light,

wherein the refractive index of the partition wall is smaller than the refractive index of the near-infrared transmitting filter layer structure at at least a portion of the wavelengths of the near-infrared light transmitted by the near-infrared transmitting filter layer.

12. The structure according to claim 11 ,

wherein the refractive index of the partition wall is smaller than the refractive index of the near-infrared transmitting filter layer by 0.2 or more at at least a portion of the wavelengths of the near-infrared light transmitted by the near-infrared transmitting filter layer.

13. The structure according to claim 11 ,

wherein the refractive index of the partition wall is smaller than the refractive index of the near-infrared transmitting filter layer at an entire wavelength in a wavelength range of 700 to 1,000 nm.

14. The structure according to claim 11 ,

wherein a maximum value of the refractive index with respect to light in a wavelength range of 700 to 1,000 nm of the partition wall is 1.4 or less.

15. The structure according to claim 11 ,

wherein a maximum value of the refractive index with respect to light in a wavelength range of 400 to 1,000 nm of the partition wall is 1.4 or less.

16. The structure according to claim 11 ,

wherein the structure has a plurality of regions partitioned by partition walls on the support, a near-infrared transmitting filter layer is provided in at least one region of the regions partitioned by the partition walls, and at least one layer selected from a color filter layer or a near-infrared shielding filter layer is provided in at least one region of the remaining regions partitioned by the partition walls.

17. The structure according to claim 11 ,

wherein a content of the color material included in the near-infrared transmitting filter layer is 50% to 75% by mass.

18. A composition for forming a near-infrared transmitting filter layer, comprising:

a color material; and

a curable compound,

wherein the composition is used for the formation of the near-infrared transmitting filter layer in the structure according to claim 11 .

19. An optical sensor comprising the structure according to claim 11 .

20. The structure according to claim 11 ,

wherein the protective layer is formed using a composition including a compound having a group having an ethylenically unsaturated bond or is constituted from inorganic materials.

21. The structure according to claim 11 ,

wherein the protective layer is constituted from a silicon dioxide and the partition wall includes silica particles.