Patent · US Active

OLEDs having high efficiency and excellent lifetime

US9620721B2 · kind B2 · utility

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59References
9Claims
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Key dates

Filing dateFeb 7, 2014
Grant dateApr 11, 2017
Priority date
Expiry dateMay 5, 2034

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2102/103

Abstract

An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer wherein the light-emitting layer comprises (a) a 2-arylanthracene compound and (b) a light-emitting second anthracene compound having amino substitution at a minimum of two positions, wherein at least one amine is substituted at the 2 position of the second anthracene compound.

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