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US Patent 9493698 Organic electroluminescent materials and devices

Patent 9493698 was granted and assigned to Universal Display Corporation on November, 2016 by the United States Patent and Trademark Office.

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Patent attributes

Current Assignee

Universal Display Corporation

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Chuanjun Xia0

Jason Brooks0

Scott Beers0

Gregg Kottas0

Date of Patent

November 15, 2016

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Patent Application Number

135844830

Date Filed

August 13, 2012

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Patent Citations Received

US Patent 12120946 Green and red organic light-emitting diodes employing excimer emitters

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US Patent 11974495 Tetradentate platinum and palladium complexes based on biscarbazole and analogues

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US Patent 12010908 Metal-assisted delayed fluorescent emitters employing benzo-imidazo-phenanthridine and analogues

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US Patent 12082486 Tetradentate platinum (II) complexes cyclometalated with functionalized phenyl carbene ligands and their analogues

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US Patent 12082490 Light outcoupling efficiency of phosphorescent OLEDs by mixing horizontally aligned fluorescent emitters

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US Patent 12120945 Display and lighting devices comprising phosphorescent excimers with preferred molecular orientation as monochromatic emitters

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Patent Primary Examiner

Marie R. Yamnitzky

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Patent abstract

Novel phosphorescent tetradentate platinum (II) compounds are provided. The compounds contain an isoimidazole moiety, optionally further substituted with a twisted aryl. These compounds may be advantageously used in OLEDs.

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