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Ellipsoidal gapless micro lenses for imagers

  • US 7,643,213 B2
  • Filed: 04/15/2008
  • Issued: 01/05/2010
  • Est. Priority Date: 10/09/2003
  • Status: Active Grant
First Claim
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1. A microlens array for an array of photosensitive areas, the microlens array comprising:

  • a plurality of first microlenses; and

    a plurality of elliptically-shaped second microlenses, each second microlens having a longitudinal axis that parallels a surface of said array of photosensitive areas, wherein said plurality of first and second microlenses are arranged adjacent to each other and have first and second focal lengths for corresponding photosensitive areas, said array of photosensitive areas including asymmetrical photosensitive areas.

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