Double-layer combined optical film piece

Double-layer combined optical film piece

  • CN 101,271,223 A
  • Filed: 12/10/2007
  • Published: 09/24/2008
  • Est. Priority Date: 12/10/2007
  • Status: Active Application
First Claim
Patent Images

1. double-layer combined optical film piece;

  • comprise diaphragm (5), blooming lamella (2) and shading layers of two-sided (1);

    described shading layers of two-sided periphery is the gluing portion of annular;

    middle formation transmittance section (4);

    it is characterized in that;

    its hierarchical structure is;

    by first diaphragm, shading layers of two-sided (1), blooming lamella (2) and the superimposed successively formation of second diaphragm;

    described blooming lamella (2) is greater than transmittance section (4) but less than shading layers of two-sided (1), gluing applying of its peripheral part and shading double faced adhesive tape.

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