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Luminescent screen

  • US 4,298,820 A
  • Filed: 06/18/1979
  • Issued: 11/03/1981
  • Est. Priority Date: 06/26/1978
  • Status: Expired due to Term
First Claim
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1. A luminescent screen comprising a substrate having a luminescent layer of a monocrystalline structure said layer including at least one activator, characterized in that the activated layer and the substrate together constitute a single self-supporting monocrystalline body, the activated layer being provided with a pattern of V-shaped grooves.

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