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Multi-color electroluminescent panel

  • US 5,156,924 A
  • Filed: 09/11/1991
  • Issued: 10/20/1992
  • Est. Priority Date: 12/29/1988
  • Status: Expired due to Term
First Claim
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1. A multi-color electroluminescent panel comprising first and second electrode means, first and second insulating layers disposed between the first and second electrode means, EL light emitting layer means disposed between the first and second insulating layers and including a first light emitting layer emitting light in one range of the visible spectrum and a second light emitting layer emitting light in a different range of the visible spectrum wherein said first light emitting layer is adjacent to said second light emitting layer, each light emitting layer exhibiting a hysteresis in light emission luminance versus applied voltage characteristic, and bandpass color filter means for passing therethrough light of a particular color emitted from the EL light emittng layer means.

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