Polarizing turning film

Polarizing turning film

  • CN 101,432,640 A
  • Filed: 11/29/2006
  • Published: 05/13/2009
  • Est. Priority Date: 12/13/2005
  • Status: Active Application
First Claim
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1. one kind is used for the light that light head for target angle redirects is redirected goods, and described light redirects goods and comprises refractive index greater than 1.6 material, and described light redirects goods and also comprises:

  • (a) plane of incidence is used for receiving incident illumination in a ranges of incidence angles;

    (b) exit facet, it comprises that a plurality of light redirect structure, and each light redirects structure and comprises nearly surface and exit surface, and described exit surface is used for emission optic angle degree emission emergent light, and described exit surface is with respect to plane of incidence plane bevel,For the incident illumination with any incident among at least two kinds of different leading roles, each leading role and normal angle be greater than 60 degree, and described leading role differs and be equal to or greater than 5 degree, and emission optic angle degree is in 5 degree of angle on target.

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