Iridium Phosphorescent Material, Preparation Method Therefor, and Photophysical Properties Thereof
US-2022333008-A1 · Oct 20, 2022 · US
Blue phosphorescent material, production method thereof, and photophysical properties thereof
US12534666B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12534666-B2 |
| Application number | US-202217743016-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 12, 2022 |
| Priority date | Nov 13, 2019 |
| Publication date | Jan 27, 2026 |
| Grant date | Jan 27, 2026 |
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- Title
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Abstract
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This blue phosphorescent material includes: a central metal containing iridium; and a phenyl-imidazopyridine ligand which is a bidentate ligand of the central metal and has an iridium-carbon bond with the central metal, wherein the ligand may include a ligand in which a 2,6-dimethylphenyl functional group has been introduced to a phenyl group of the ligand. The present application relates to a blue phosphorescent material, a production method thereof, and photophysical properties thereof, the blue phosphorescent material having an iridium-carbon bond and including a phenyl-imidazopyridine ligand to which a sterically hindered functional group has been introduced.
First claim
Opening claim text (preview).
The invention claimed is: 1 . A blue phosphorescent material comprising a hetero-ligand iridium complex of wherein X-Y represents an auxiliary ligand. 2 . The blue phosphorescent material of claim 1 , wherein the auxiliary ligand comprises acetylacetonate. 3 . The blue phosphorescent material of claim 1 , wherein the auxiliary ligand comprises phenylpyridine. 4 . The blue phosphorescent material of claim 1 , wherein the auxiliary ligand comprises pyridylimidazole. 5 . A method for preparing the blue phosphorescent material of claim 1 , the method comprising preparing a main ligand by: providing a 2,6-dimethylphenyl functional group to phenyl-amine; and preparing the main ligand by introducing imidazopyridine into a phenyl group of the phenyl-amine. 6 . The method of claim 5 , further comprising: providing a mixed solution containing the main ligand and an iridium compound; and preparing an iridium dimer through a metalation reaction between the main ligand and iridium of the iridium compound. 7 . The method of claim 6 , further comprising reacting the iridium dimer with the auxiliary ligand.
Assignees
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Classifications
of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd · CPC title
containing two nitrogen atoms as heteroatoms · CPC title
containing one nitrogen atom as the heteroatom · CPC title
Non-condensed systems · CPC title
Iridium compounds · CPC title
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- What does patent US12534666B2 cover?
- This blue phosphorescent material includes: a central metal containing iridium; and a phenyl-imidazopyridine ligand which is a bidentate ligand of the central metal and has an iridium-carbon bond with the central metal, wherein the ligand may include a ligand in which a 2,6-dimethylphenyl functional group has been introduced to a phenyl group of the ligand. The present application relates to a …
- Who is the assignee on this patent?
- Univ Korea Res & Business Foundation Sejong Campus
- What technology area does this patent fall under?
- Primary CPC classification C09K11/06. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jan 27 2026 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).