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Light-emissive device having co-evaporated cathode

  • US 8,018,148 B2
  • Filed: 07/14/2008
  • Issued: 09/13/2011
  • Est. Priority Date: 12/08/1998
  • Status: Expired due to Fees
First Claim
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1. A method of manufacturing a light-emissive device, the method comprising:

  • depositing an anode;

    depositing a light-emissive region; and

    depositing a cathode by co-evaporating barium metal and a fluoride or oxide of a low work function metal so as to reduce reflectivity of the cathode.

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