Patent · US Active

Method of manufacturing an organic light emitting diode

US7622864B2 · kind B2 · utility

0Cited by
2References
16Claims
0Family size

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Key dates

Filing dateSep 29, 2006
Grant dateNov 24, 2009
Priority date
Expiry dateSep 19, 2027

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K71/40

Abstract

A manufacturing method of an organic light emitting diode (“OLED”) includes forming an anode on a substrate, forming an inorganic buffer layer on the anode, forming a hole transport layer on the buffer layer, forming a light emission layer on the hole transport layer, forming an electron transport layer on the light emission layer, and forming a cathode on the electron transport layer. The forming an inorganic buffer layer includes thermal evaporation and oxidation.

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