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Multicolor organic light emitting devices

  • US 5,707,745 A
  • Filed: 12/13/1994
  • Issued: 01/13/1998
  • Est. Priority Date: 12/13/1994
  • Status: Expired due to Term
First Claim
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1. A multicolor light emitting device (LED) structure, comprising:

  • a plurality of at least first and second light emitting organic devices (LEDs) stacked one upon the other, to form a layered structure, with each LED separated one from the other by a transparent electrically conductive layer to enable each device to receive a separate bias potential to operate to emit light through the stack.

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