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Monolithic, milticolor, light emitting diode display device

  • US 3,942,065 A
  • Filed: 11/11/1974
  • Issued: 03/02/1976
  • Est. Priority Date: 11/11/1974
  • Status: Expired due to Term
First Claim
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1. A multicolor monolithic light display comprising at least a first matrix of gallium phosphide light emitting diodes and a second matrix of GaAsX P1-X light emitting diodes in an integral structure which matrices are scannable to produce a display in a first or a second color, the light emitting diodes being arranged in a geometric pattern of columns and rows with the first matrix interspersed with the second matrix and each of said diodes having a junction exposed at the top surface of said structure, and column and line address means arranged about the periphery of the display, said means including pairs of spaced parallel metallization stripes extending between said diodes, each of said pairs of metallization stripes having contact means extending in opposite directions to contact one of said matrices.

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