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US Patent 11708385 Metal-assisted delayed fluorescent emitters employing pyrido-pyrrolo-acridine and analogues

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 US Patent 11708385 Metal-assisted delayed fluorescent emitters employing pyrido-pyrrolo-acridine and analogues

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Metal-assisted delayed fluorescent (MADF) emitters including cyclic tetradentate platinum (II) and palladium (II) complexes employing 8H-pyrido[3′,2′:4,5]-pyrrolo[3,2,1-de]acridine and its analogues. These complexes provide improved color purity and enhanced operational stability and are suitable for luminescent labels, emitters for organic light emitting diodes (OLEDs), and lighting applications.

Infobox
Is a
Patent
Patent
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
117083850
Date of Patent
July 25, 2023
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Patent Application Number
164811790
Date Filed
January 26, 2018
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Patent Citations
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US Patent 10020455 Tetradentate platinum and palladium complex emitters containing phenyl-pyrazole and its analogues
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US Patent 10211411 Thermally activated delayed fluorescent material based on 9,10-dihydro-9,9-dimethylacridine analogues for prolonging device longevity
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US Patent 10392387 Substituted benzo[4,5]imidazo[1,2-a]phenanthro[9,10-c][1,8]naphthyridines, benzo[4,5]imidazo[1,2-a]phenanthro[9,10-c][1,5]naphthyridines and dibenzo[f,h]benzo[4,5]imidazo[2,1-a]pyrazino[2,3-c]isoquinolines as thermally assisted delayed fluorescent materials
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US Patent 10414785 Pyridine-oxyphenyl coordinated iridium (III) complexes and methods of making and using
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US Patent 10566553 Platinum complexes and devices
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Patent Primary Examiner
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David K O'Dell
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CPC Code
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H01L 51/0087
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C07F 15/0086
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