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Diffuser panel and optical apparatus which uses this diffuser panel

  • US 7,336,895 B2
  • Filed: 02/02/2005
  • Issued: 02/26/2008
  • Est. Priority Date: 02/03/2004
  • Status: Expired due to Fees
First Claim
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1. A diffuser panel comprising:

  • a base panel portion and;

    a micro lens portion which is arranged on a surface of said base panel portion and has a plurality of micro lenses,wherein each of said plurality of micro lenses have outer circumferential shapes which have angles in a numbers of (2n+1), andwherein a number of predetermined micro lenses have an outer circumferential shape having angles in the numbers of (2n+1) at any one value of n is not smaller than half a total number of said micro lenses,where n represents an integer of 2 or larger.

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