Patent · US Active

OLEDs doped with phosphorescent compounds

US9508940B2 · kind B2 · utility

4Cited by
60References
23Claims
0Family size

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Key dates

Filing dateFeb 25, 2011
Grant dateNov 29, 2016
Priority date
Expiry dateFeb 25, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24942
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Organic light emitting devices are disclosed which are comprised of a heterostructure for producing electroluminescence wherein the heterostructure is comprised of an emissive layer containing a phosphorescent dopant compound. For example, the phosphorescent dopant compound may be comprised of platinum octaethylporphine (PtOEP), which is a compound having the chemical structure with the formula:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.