Compound and optical filter and image sensor and camera module and electronic device

Patent metadata

Field	Value
Publication number	US-11407739-B2
Application number	US-201916673385-A
Country	US
Kind code	B2
Filing date	Nov 4, 2019
Priority date	Apr 18, 2019
Publication date	Aug 9, 2022
Grant date	Aug 9, 2022

Abstract

Disclosed are a compound represented by Chemical Formula 1, an optical filter, an image sensor, a camera module, and an electronic device.In Chemical Formula 1, R1 to R27 and n are the same as defined in the detailed description.

First claim

What is claimed is:

1. A compound represented by Chemical Formula 1A or 1B:

wherein, in Chemical Formulas 1A and 1B, R 1 to R 6 are each independently hydrogen or a C1 to C5 alkyl group,
wherein in Chemical Formula 1A, R 7 to R 18 are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C3 to C20 heterocyclic group, a substituted or unsubstituted C1 to C20 alkoxy group, —NR a R b , —NHCOR c , —OCOR d , a hydroxy group, a halogen, a cyano group, or a combination thereof,
wherein, in Chemical Formula 1A, at least one of R 7 to R 18 is a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C1 to C20 alkoxy group, —NR a R b , —NHCOR c , —OCOR d , a hydroxy group, or a combination thereof,
wherein, in Chemical Formula 1A, R a to R d are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a combination thereof,
wherein, in Chemical Formula 1A, n is 1 or 2,
wherein, in Chemical Formula 1B, R 7 to R 18 and R 23 are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C3 to C20 heterocyclic group, a substituted or unsubstituted C1 to C20 alkoxy group, —NR a R b , —NHCOR c , —OCOR d , a hydroxy group, a halogen, a cyano group, or a combination thereof,
wherein, in Chemical Formula 1B, at least one of R 7 to R 18 is a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C1 to C20 alkoxy group, —NR a R b , —NHCOR c , —OCOR d , a hydroxy group, or a combination thereof, and
wherein, in Chemical Formula 1B, R a to R j are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a combination thereof.

2. The compound of claim 1 , wherein
the compound is represented by Chemical Formula 1A.

3. The compound of claim 1 , wherein
in Chemical Formulas 1A and 1B,
at least one of R 8 , R 10 , R 14 , and R 16 is a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C1 to C20 alkoxy group, —NR a R b , —NHCOR c , —OCOR d , a hydroxy group, or a combination thereof, and
wherein R a to R d are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a combination thereof.

4. The compound of claim 3 , wherein
in Chemical Formulas 1A and 1B,
R 8 and R 14 are each independently a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C1 to C20 alkoxy group, —NR a R b , —NHCOR c , —OCOR d , a hydroxy group, or a combination thereof, and
wherein R a to R d are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a combination thereof.

5. The compound of claim 3 , wherein
in Chemical Formulas 1A and 1B,
R 10 and R 16 are each independently a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C1 to C20 alkoxy group, —NR a R b , —NHCOR c , —OCOR d , a hydroxy group, or a combination thereof, and
wherein R a to R d are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a combination thereof.

6. The compound of claim 1 , wherein R 1 to R 6 are each independently a methyl group, an ethyl group, or a propyl group.

7. The compound of claim 1 , wherein the compound is represented by Chemical Formula 1B.

8. The compound of claim 2 , wherein
at least one of R 8 , R 10 , R 14 , and R 16 is a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C1 to C20 alkoxy group, —NR a R b , —NHCOR c , —OCOR d , a hydroxy group, or a combination thereof, and
wherein R a to R d are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a combination thereof.

9. The compound of claim 1 , wherein the compound is represented by one of Chemical Formulae 1A-1, 1A-2, 1B-1, and 1B-2:

wherein in Chemical Formulae 1A-1, 1A-2, 1B-1, and 1B-2, R 1 to R 6 are each independently hydrogen or a C1 to C5 alkyl group,
R 8 , R 10 , R 14 , and R 16 are each independently a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C1 to C20 alkoxy group, —NR a R b , —NHCOR c , —OCOR d , a hydroxy group, or a combination thereof,
R a to R d are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a combination thereof,
wherein, in Chemical Formulae 1A-1 and 1A-2, n is 1 or 2, and
wherein in Chemical Formulae 1B-1 and 1B-2, R e to R j are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a combination thereof.

10. An optical filter comprising:
the compound of claim 1 or a cured product thereof.

11. An image sensor comprising:
a semiconductor substrate, and
an optical filter on the semiconductor substrate, the optical filter configured to absorb at least a portion of light in a near-infrared wavelength region,
wherein the optical filter includes the compound of claim 1 or a cured product thereof.

12. The image sensor of claim 11 , wherein the semiconductor substrate includes a plurality of photodiodes.

13. The image sensor of claim 11 , further comprising:
a color filter on the semiconductor substrate and on or under the optical filter.

14. The image sensor of claim 11 , further comprising:
a dual band-pass filter configured to transmit all of a visible wavelength region and a portion of the near-infrared wavelength region.

15. A camera module comprising:
the optical filter of claim 10 .

16. A camera module comprising:
the image sensor of claim 11 .

17. An electronic device comprising:
the optical filter of claim 10 .

18. An electronic device comprising:
the image sensor of claim 11 .

19. An electronic device comprising:
the camera modul

Assignees

• Samsung Electronics Co Ltd

Inventors

• Lee Yong Joo
• Kim Changki
• Lee Jae Jun
• Kim Mi Jeong

Classifications

• H04N23/10

  for generating image signals from different wavelengths · CPC title

• H04N23/21

  from near infrared [NIR] radiation · CPC title

• H10F39/8053

  Colour filters · CPC title

• H10F39/184

  Infrared image sensors · CPC title

• H10F39/182

  Colour image sensors · CPC title