The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 19, 2024
Filed:
Oct. 23, 2018
Universal Display Corporation, Ewing, NJ (US);
Pierre-Luc T. Boudreault, Pennington, NJ (US);
Scott Joseph, Washington, DC (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
A composition comprising a first compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is disclosed. The first compound has at least one aromatic ring with at least one substituent R of Formula I In the structure of Formula I, R′ includes at least one fluorine atom; R′ represents mono to a maximum possible number of substitutions, or no substitution; each Ris a hydrogen or one of a variety of substituents; L is an organic linker or direct bond; any two R, Rsubstituents may be joined or fused together to form a ring; the dashed line of Formula I is a bond to a first aromatic ring of the at least one aromatic ring; and n is an integer from 1 to 10. Organic light emitting devices and consumer products containing the compounds are also disclosed.