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Organic light emitting diode lighting systems

  • US 8,836,221 B2
  • Filed: 09/19/2012
  • Issued: 09/16/2014
  • Est. Priority Date: 08/19/2008
  • Status: Expired due to Fees
First Claim
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1. A lighting system comprising:

  • a plurality of organic light emitting diode (OLED) devices,wherein each of the plurality of OLED devices has an active region,wherein at least some of the OLED devices have active regions of different sizes, andwherein the sizes are such that the OLED devices having active regions of different sizes have substantially matching lifetimes.

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