Patents

US 12566283 B2: Optical absorbent

Granted
2026-03-03
Filed
2023-11-29 application 18522362
Type
Utility · 20 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

The present invention provides an optical absorbent and its application. The invention provides the optical absorbent, as an organic optical absorbent, exhibiting excellent compatibility or solubility in various solvents and resin components, and having excellent heat resistance thereby providing the optical absorbent capable of stably maintaining optical properties even under high temperature condition or high temperature and high humidity conditions. The present invention can also provide an optical absorption film that obtains desired optical properties by applying the optical absorbent. The present invention may also provide applications of the optical absorbent or the optical absorption film, and may provide, for example, an optical filter, a solid-state image capturing device, and/or an infrared sensor including the optical absorbent or the optical absorption film.

Source: PTBLXML, file of 2026-03-03 (ipgb20260303.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
LMS CO., LTD. 85 patentsForeign company or organizationPyeongtaek-si, KRPTBLXML, file of 2026-03-03

Inventors

InventorPlacePatentsPerson pageSource
Joon Ho JungPyeongtaek-si, KR30PTBLXML, file of 2026-03-03
Hee Kyeong KimPyeongtaek-si, KR6PTBLXML, file of 2026-03-03

CPC categories

SubclassCategoryFirst groupSource
G02BOptical elements, systems or apparatusG02B5/003PTBLXML, file of 2026-03-03
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredientsC08K5/5477PTBLXML, file of 2026-03-03

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

No recorded assignments or security interests on file for this patent.

USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.