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Display unit

  • US 5,015,999 A
  • Filed: 01/04/1989
  • Issued: 05/14/1991
  • Est. Priority Date: 07/27/1988
  • Status: Expired due to Term
First Claim
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1. A display unit for displaying two-dimensional images comprising:

  • a fluorescent layer for emitting light when exposed to ultraviolet rays, said fluorescent layer including three different types of fluorescent material arranged in narrow strips in consecutive and repeating sequences that emit red, green and blue light, respectively, said fluorescent layer further having a thickness on the order of from approximately 1000 to 5000 angstroms; and

    an electric-field ultraviolet light emitting device having a positive electrode layer, a positive hole injection layer, a light emission layer, and a negative electrode layer, respectively, in a stacked face-to-face configuration, provided integrally behind said fluorescent layer for selective irradiation of said fluorescent layer.

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