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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12289942 B1

PDFFull Text
Date of Patent:
Apr. 29, 2025

Filed:

Jul. 26, 2022

Optical element, infrared sensor, solid-state imaging element, and manufacturing method for optical element

Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventor:

Takahiro Oya, Shizuoka, JP;

Assignee:

FUJIFILM Corporation, Tokyo, JP;

Attorney:

JCIPRNET

Primary Examiner:

Quoc D Hoang

Int. Cl.
CPC ...
H10K 30/87 (2022.12); C09K 11/66 (2005.12); H10K 30/35 (2022.12); H10K 39/32 (2022.12); H10K 71/12 (2022.12); H10K 85/10 (2022.12);
U.S. Cl.
CPC ...
H10K 30/87 (2023.01); C09K 11/661 (2012.12); H10K 30/35 (2023.01); H10K 39/32 (2023.01); H10K 71/12 (2023.01); H10K 85/141 (2023.01);
Abstract

An optical element includes a photoelectric conversion film and an inorganic substance-containing film containing at least one selected from the group consisting of a metal nitride and a metal oxynitride, in which the photoelectric conversion film contains a quantum dot or at least one compound semiconductor selected from the group consisting of a III-V group compound semiconductor, a II-VI group compound semiconductor, and a IV-IV group compound semiconductor, and the optical density of an inorganic substance-containing film is 0.5 or more per 1.0 μm of a film thickness at a wavelength of 1,550 nm.

Find Patent Forward Citations

Oya, Takahiro. (2025). Optical element, infrared sensor, solid-state imaging element, and manufacturing method for optical element (U.S. Patent No. 12289942). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12289942

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