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Electroluminescent display and process for producing the same

  • US 7,307,381 B2
  • Filed: 07/30/2003
  • Issued: 12/11/2007
  • Est. Priority Date: 07/31/2002
  • Status: Expired due to Fees
First Claim
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1. an electroluminescent display comprisinga substrate,an electrode provided on the substrate,protrusions are provided on the substrate so as to cover the ends of the electrode and are convexly curved relatively to the surface of the substrate,an electroluminescent layer provided in each opening which is located on the electrode and defined by adjacent protrusions,wherein the electroluminescent layer in its part around the boundary between the electroluminescent layer and the protrusion is in contact with the protrusion in such a state that the electroluminescent layer is convexly curved in a direction opposite to the convexly curved protrusion,the form of the protrusions comprise a part of an arc and a flat part as an upper part which extends continuously from the part of an arc, and the thickness of the protrusions is not less than 5 μ

  • m.

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