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Organic light emitting devices having reduced pixel shrinkage

  • US 20040241495A1
  • Filed: 04/21/2004
  • Published: 12/02/2004
  • Est. Priority Date: 04/22/2003
  • Status: Active Grant
First Claim
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1. An organic light emitting device comprising an array of pixels, wherein each pixel comprises an emissive layer comprising a phosphorescent emissive material, and wherein the pixel shrinkage is less than about 10% area when operated at about 10 mA/cm2 constant dc current for at least 1000 hours at room temperature.

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