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HIGH PERFORMANCE LIGHT-EMITTING DEVICES

  • US 20110068361A1
  • Filed: 12/01/2010
  • Published: 03/24/2011
  • Est. Priority Date: 08/23/2004
  • Status: Abandoned Application
First Claim
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1. A light emitting device in the form of a layered structure comprising:

  • a passive bottom multilayer stack including a cathode layer;

    a cavity layer including a light emitting region;

    a passive top multilayer stack including a hole transport layer, and a transparent anode layer,said passive bottom and top multilayer stacks being devoid of a light emitting layer;

    a transparent substrate located over said top multilayer stack and through which light is emitted from the device; and

    at least one functional additional layer group in said passive top multilayer stack controlling the reflectance of the passive top multilayer stack and phase changes occurring upon reflection from said passive top multilayer stack in said cavity layer.

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