Organic electroluminescent color display having color transmitting layers and fluorescence converting layer with improved structure for color conversion efficiency on a color transmitting layer

  • US 6,121,726 A
  • Filed: 12/16/1997
  • Issued: 09/19/2000
  • Est. Priority Date: 12/18/1996
  • Status: Expired due to Fees
First Claim
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1. An organic electroluminescent color display comprising at least:

  • a blue transmitting layer on a substrate,a green transmitting layer on the substrate,a fluorescence converting layer on a red transmitting layer on the substrate, andan organic electroluminescent light emitting device for emitting bluish green light on said layers,said fluorescence converting layer absorbing bluish green light and giving off light including red light,said organic electroluminescent light emitting device being formed at least in such a way so as to enclose said fluorescence converting layer, anda cathode of said electroluminescent light emitting device being extended down along sides of said fluorescence converting layer.

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