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Multicolor display element with enable input

  • US 6,424,327 B2
  • Filed: 08/11/1999
  • Issued: 07/23/2002
  • Est. Priority Date: 01/15/1986
  • Status: Expired due to Fees
First Claim
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1. A multicolor display element comprising:

  • a plurality of display areas arranged in a pattern for exhibiting, upon selective activation, a plurality of display units, each said display area including a plurality of light emitting diodes for emitting, when forwardly biased, light signals of respective primary colors and means for combining said light signals in said display area to obtain a light signal of a composite color;

    means for selectively forwardly biasing said light emitting diodes for exhibiting a desired display unit;

    a plurality of color control inputs for selectively receiving color control signals, each said color control signal having a single active level, for illuminating said display unit in a desired color; and

    a single enable input for selectively allowing and not allowing, in accordance with an enable signal, said color control signals to illuminate said display unit.

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