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OLED device with improved performance

  • US 20060240278A1
  • Filed: 04/20/2005
  • Published: 10/26/2006
  • Est. Priority Date: 04/20/2005
  • Status: Active Grant
First Claim
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1. An OLED device, comprising:

  • a) an anode;

    b) a cathode;

    c) at least one individually selected organic light-emitting layer disposed between the anode and cathode;

    d) an electron-transporting layer disposed between the at least one light-emitting layer and the cathode, such electron-transporting layer including a first electron-transporting material; and

    e) an electron-injecting layer disposed between the electron-transporting layer and the cathode, such electron-injecting layer including a metal dopant having a work function less than 4.0 eV and an electron-transporting material that is different from the first electron-transporting material.

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