Optical device components

Optical device components

  • CN 101,848,672 A
  • Filed: 09/12/2008
  • Published: 09/29/2010
  • Est. Priority Date: 09/13/2007
  • Status: Active Application
First Claim
Patent Images

1. light illumination funnel comprises:

  • First opening is oriented to reception and enters light source;

    Second opening is oriented to relatively with first opening, and has diameter less than first opening;

    WithInner reflective wall contacts with second opening with first opening;

    Wherein, described funnel has the half-angle less than 25 degree.

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