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Diffuser panel and optical apparatus which uses this diffuser panel

  • US 20050169008A1
  • Filed: 02/02/2005
  • Published: 08/04/2005
  • Est. Priority Date: 02/03/2004
  • Status: Active Grant
First Claim
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1. A diffuser panel comprising a plurality of micro lenses arranged on a surface, wherein a half or more of said plurality of micro lenses have an outer circumferential shape which has angles in a number (2n+1), where a reference symbol n represents an integer of 2 or larger.

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