USPTO Patent Grant US12581852B2 for Luminescent Material
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)
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
Named provisions
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