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USPTO Patent Grant US12581852B2 for Luminescent Material

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Published March 17th, 2026
Detected March 22nd, 2026
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Summary

The United States Patent and Trademark Office (USPTO) has granted patent US12581852B2 to KYULUX, INC. for a compound useful as a light-emitting material. The patent covers specific chemical formulas and their application in organic optical devices.

What changed

USPTO has granted patent US12581852B2, titled "Compound, luminescent material, delayed fluorescent material, and organic optical device," to KYULUX, INC. The patent, effective March 17, 2026, details a compound useful as a light-emitting material, specifying chemical structures involving heteroaryl and diarylamino groups. This grant is based on an application filed on February 3, 2021, with application number 17760077.

This patent grant represents a new intellectual property asset for KYULUX, INC. While it does not impose direct compliance obligations on other entities, it establishes exclusive rights for the patent holder in the United States concerning the claimed inventions. Companies operating in the organic electronics, display technology, or advanced materials sectors should be aware of this patent to avoid potential infringement and to inform their own research and development strategies.

Source document (simplified)

← USPTO Patent Grants

Compound, luminescent material, delayed fluorescent material, and organic optical device

Grant US12581852B2 Kind: B2 Mar 17, 2026

Assignee

KYULUX, INC.

Inventors

Yong Joo Cho, YuSeok Yang, Masataka Yamashita, Yoshitake Suzuki, Kaori Fujisawa

Abstract

The compound represented by the following formula is useful as a light-emitting material. R1 or R2 is Het-LA-* or CN-LA-*; one to three of R1 to R5 are diarylamino groups; the rest are a hydrogen atom or an aryl group; Het is a heteroaryl group; and LA is a single bond or an arylene group.

CPC Classifications

C07D 401/14 H10K 50/10

Filing Date

2021-02-03

Application No.

17760077

Claims

3

View original document →

Named provisions

Compound, luminescent material, delayed fluorescent material, and organic optical device

Classification

Agency
USPTO
Published
March 17th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
US12581852B2

Who this affects

Applies to
Manufacturers Technology companies
Industry sector
3341 Computer & Electronics Manufacturing 3254 Pharmaceutical Manufacturing
Activity scope
Intellectual Property Protection Materials Development
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Materials Science Organic Chemistry

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