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Solid image pickup device having microlenses

  • US 5,239,412 A
  • Filed: 02/04/1991
  • Issued: 08/24/1993
  • Est. Priority Date: 02/05/1990
  • Status: Expired due to Term
First Claim
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1. A solid image pickup device comprising:

  • a substrate having light receiving portions;

    a plurality of first spherical microlenses provided on said substrate having said light receiving portions, said plurality of first spherical microlenses forming a single layer such that each light receiving portion of said substrate is positioned under one of said plurality of first spherical microlenses, said microlenses being opposite said light receiving portions so that incident light can converge onto said light receiving portions; and

    a first transparent resin layer having a refractive index smaller than that of said microlenses and being positioned directly on said microlenses so as to receive the incident light prior to the light being converged by said microlenses.

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