US Patent 11980094 Organic electroluminescent materials and devices
Patent 11980094 was granted and assigned to Universal Display Corporation on May, 2024 by the United States Patent and Trademark Office.
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US Patent 11980094 Organic electroluminescent materials and devices
Article
Patent abstract
A compound useful as a host material in an OLED is provided. The compound includes at least one chemical group selected from the group consisting of triphenylene, carbazole, indolocarbazole, dibenzothiphene, dibenzofuran, dibenzoselenophene, aza-triphenylene, azacarbazole, aza-indolocarbazole, aza-dibenzothiophene, aza-dibenzofuran, and aza-dibenzoselenophene; wherein the compound is substituted by at least one R selected from the group consisting of alkyl, cycloalkyl, spiroalkyl, partially or fully deuterated variants thereof, partially or fully fluorinated variants thereof, and combination thereof.
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Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alan Deangelis0
Bin Ma0
Date of Patent
May 7, 2024
0Patent Application Number
171026720
Date Filed
November 24, 2020
0Patent Citations
Patent Primary Examiner
CPC Code
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